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Layer: NBHD % Tree canopy coverage (1)


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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

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Name: NBHD % Tree canopy coverage
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Layer: HEX % Tree Canopy Metrics (2)


Name: HEX % Tree Canopy Metrics

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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

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Templates:

Name: HEX % Tree Canopy Metrics
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Layer: CT Tree Canopy Metrics (3)


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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Laboratory.

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Templates:

Name: CT Tree Canopy Metrics
Description:
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Layer: PARCELS Tree Canopy Metrics (4)


Name: PARCELS Tree Canopy Metrics

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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Laboratory.

Min. Scale: 0

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Supported query Formats: JSON, geoJSON, PBF

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Layer: WARDS % Tree Canopy Metrics (5)


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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Laboratory.

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Name: WARDS % Tree Canopy Metrics
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Layer: OPEN SPACE % Tree Canopy Metrics (6)


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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

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Name: OPEN SPACE % Tree Canopy Metrics
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Layer: CITY Tree Canopy Metrics (7)


Name: CITY Tree Canopy Metrics

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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Laboratory.

Min. Scale: 0

Max. Scale: 0

Default Visibility: false

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

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YMin: 2908285.10002601
XMax: 812069.699608928
YMax: 2970073.10046551
Spatial Reference: 102686 (2249)


Drawing Info:

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Templates:

Name: CITY Tree Canopy Metrics
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:


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Supports Rollback On Failure Parameter: true

Last Edit Date: 5/14/2021 11:57:17 AM

Schema Last Edit Date: 5/14/2021 11:57:17 AM

Data Last Edit Date: 5/14/2021 11:57:17 AM

Layer: CITY AP Tree Canopy Metrics (8)


Name: CITY AP Tree Canopy Metrics

Display Field: Airport

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Description: <span><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">Tree Canopy (TC) Assessment metrics for Boston, MA. </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">These </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">datasets </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">consist</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"> of TC metrics summarized using </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">various geographies</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">. The metrics presented in </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">these </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">tables are based on 2019 high resolution land cover and 2019 leaf-on LiDAR. The TC Assessment is a top-down approach to analyzing the forest. Its purpose is to integrate high resolution land cover data with other GIS datasets to produce a set of detailed metrics on the forest that allow decision makers to know how much tree canopy currently exists (termed Existing TC). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset.  Possible TC is queried out from this overlay and consists of all land that was not existing canopy, not water, not a building, and not a road. Possible TC is further divided into two subcategories: Possible-impervious and Possible-vegetation. Possible-impervious consists of all impervious land that, through modification, could support tree canopy. Examples of such features are parking lots, driveways (through overhanging coverage) and playgrounds. Possible-vegetation consists of all land that is low-lying vegetation, primarily grass or shrubs, which could conceivably be converted to support tree canopy. Examples of such features include residential lawns and playing fields. TC metrics do not serve to address the issues of where it is socially desirable or financially feasible to plant trees. Rather, the TC metrics serve as the basis for beginning to form answers to these questions. TC metrics are presented in the attribute table as both absolute area (in map units) and relative area (percentage of land area) per parcel. For example, an Existing TC Area (TC_E_A) value of 13,677 and an Existing TC Percentage (TC_E_P) of 21.8 indicate that for the </span><span style="font-size:12pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">area </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">in question the area of Existing TC is 13,677</span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-weight:700; font-variant-numeric:normal; font-variant-east-asian:normal;"> (in map units) </span><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">and 21.8% of that feature is tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_A =Tree canopy existing area. The area of tree canopy present when viewed from above using aerial or satellite imagery, excluding water.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_PV_A= Possible vegetation area. Grass or shrub area that is theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Land_A = Land area. Land area excluding water bodies.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_A=  Possible impervious area. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_A= Possible area. Area theoretically available for establishment of tree canopy.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_E_P = Existing percent. The amount of tree canopy present when viewed from above using aerial or satellite imagery, excluding water as a percentage.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pv_P = Possible vegetation percent. Grass/shrub area that is theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:0pt; padding:0pt 0pt 5pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_P_P= Possible tree canopy percent. Area theoretically suitable for tree canopy as a percentage of land area.</span></p><p style="margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt;"><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;">TC_Pi_P= Possible impervious canopy percent. Asphalt or concrete surfaces or bare soil, excluding roads and buildings, that are theoretically available for the establishment of tree canopy as a percentage of land area.</span></p><div><span style="font-size:11pt; font-family:Lora, serif; background-color:transparent; font-variant-numeric:normal; font-variant-east-asian:normal;"><br /></span></div></span>

Copyright Text: Boston Parks and Recreation Department with the University of Vermont Spatial Analysis Laboratory.

Min. Scale: 0

Max. Scale: 0

Default Visibility: false

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

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Description:
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Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

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Last Edit Date: 5/14/2021 11:57:47 AM

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Data Last Edit Date: 5/14/2021 11:57:47 AM