Layer: HEX Tree Canopy Change Metrics (ID:7)

View In: Map Viewer

Name: HEX Tree Canopy Change Metrics

Display Field: GRID_ID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <div style="text-align:Left;"><p><span></span></p><p style="background-color:#ffffff; margin-top:0pt; margin-bottom:5pt; padding:0pt 0pt 10pt 0pt;"><span style="font-size:11pt; font-family:Lora,serif; color:#4c4c4c; background-color:transparent; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none;">Tree Canopy Change Assessment metrics for Boston, MA. These datasets consist of tree canopy change metrics summarized using various geographies. The metrics presented in these tables are based on 2019 leaf-on LiDAR, 2019 high resolution land cover, and the high resolution 2019 tree canopy layer (Tree Canopy Change 2014-2019.tif). The Tree Canopy Change Assessment is a top-down approach to analyzing forest change for over the period of 2014 and 2019. 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 was gained (termed Gain), how much tree canopy was lost (termed Loss), and how much tree canopy did not change over the given time period (termed No_Change). Existing TC is determined by extracting all features classified as tree canopy from a high resolution land cover dataset. The area in which there has been a change in tree canopy (termed Change_Are) is calculated using the TreeCano_1 (2019) subtracted by the TreeCanopy (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. The percent of tree canopy change (termed Change_P1) is calculated using TreeCano_3 (2019) subtracted by TreeCano_2 (2014), if this value is negative then this represents a loss in tree canopy over the time frame given. </span></p></div>

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

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Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

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Object ID Field: FID

Unique ID Field:

Global ID Field:

Type ID Field:

Fields:

FID (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
GRID_ID (type: esriFieldTypeString, alias: GRID_ID, SQL Type: sqlTypeOther, length: 12, nullable: true, editable: true)
TC_ID (type: esriFieldTypeInteger, alias: TC_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
Shape_Leng (type: esriFieldTypeDouble, alias: Shape_Leng, SQL Type: sqlTypeOther, nullable: true, editable: true)
OBJECTID (type: esriFieldTypeInteger, alias: OBJECTID, SQL Type: sqlTypeOther, nullable: true, editable: true)
TC_ID_1 (type: esriFieldTypeInteger, alias: TC_ID_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
LandArea (type: esriFieldTypeDouble, alias: LandArea, SQL Type: sqlTypeOther, nullable: true, editable: true)
Gain (type: esriFieldTypeDouble, alias: Gain, SQL Type: sqlTypeOther, nullable: true, editable: true)
Loss (type: esriFieldTypeDouble, alias: Loss, SQL Type: sqlTypeOther, nullable: true, editable: true)
No_Change (type: esriFieldTypeDouble, alias: No_Change, SQL Type: sqlTypeOther, nullable: true, editable: true)
TreeCanopy (type: esriFieldTypeDouble, alias: TreeCanopy, SQL Type: sqlTypeOther, nullable: true, editable: true)
TreeCano_1 (type: esriFieldTypeDouble, alias: TreeCano_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
Change_Are (type: esriFieldTypeDouble, alias: Change_Are, SQL Type: sqlTypeOther, nullable: true, editable: true)
Change_Per (type: esriFieldTypeDouble, alias: Change_Per, SQL Type: sqlTypeOther, nullable: true, editable: true)
TreeCano_2 (type: esriFieldTypeDouble, alias: TreeCano_2, SQL Type: sqlTypeOther, nullable: true, editable: true)
TreeCano_3 (type: esriFieldTypeDouble, alias: TreeCano_3, SQL Type: sqlTypeOther, nullable: true, editable: true)
Change_P_1 (type: esriFieldTypeDouble, alias: Change_P_1, SQL Type: sqlTypeOther, nullable: true, editable: true)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 6/26/2024 3:23:24 PM

Schema Last Edit Date: 5/14/2021 12:03:44 PM

Data Last Edit Date: 5/14/2021 12:03:44 PM

Supported Operations: Query Query Pivot Query Top Features Query Analytic Query Bins Generate Renderer Validate SQL Get Estimates ConvertFormat