Name: Subwatershed Landcover
Display Field: HUC12Name
Type: Feature Layer
Geometry Type: esriGeometryPolygon
Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN>This layer contains the percentage of generalized land cover by 12-digit hyrdologic unit codes (HUCs). The 2011 NOAA C-CAP land cover raster was converted to a shapefile, generalized to minimize the number of categories, intersected with 12-digit Hydrologic Unit Codes (HUCs), and dissolved by generalized category and 12-digit HUC. Percent calculations were then made based on the total area of each 12-digit HUC.</SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P><P STYLE="margin:0 0 0 0;"><SPAN>Fields: subwatershed name, subwatershed HUC, and percent cover in generalized categories, as follows: "Agricultural" includes pasture and cultivated area; "Forest" and "Wetland" includes all types within those broader categories (e.g. evergreen, decidious, etc); "Other" includes water and barren land; and "Developed" includes all gradations (high density, low density, etc). </SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN>The field "area_sqmi" is the area (in square miles) of the entire 12-digit HUC. </SPAN></P></DIV></DIV></DIV>
Copyright Text: Molly Rippke, Water Resources Division, Michigan Department of Environment, Great Lakes, and Energy (EGLE).
Data Source: NOAA, 2011. NOAA Coastal Change Analysis Program (C-CAP) Zone 51 (lower) 2011-Era Land Cover. Charleston, SC. National Oceanic and Atmospheric Administration. Accessed 2014. nlcd_2011_landcover_2011_edition_2014_03_31.img
12-digit HUCs were obtained from the USDA Geospatial Data Gateway version of the Watershed Boundary Dataset (WBD) layers. The USGS WBD data can be downloaded from the following link: http://nhd.usgs.gov/data.html.
Default Visibility: true
MaxRecordCount: 2000
Supported Query Formats: JSON, geoJSON, PBF
Min Scale: 150000
Max Scale: 0
Supports Advanced Queries: true
Supports Statistics: true
Has Labels: false
Can Modify Layer: true
Can Scale Symbols: false
Use Standardized Queries: true
Supports Datum Transformation: true
Extent:
XMin: -1.0076850394488633E7
YMin: 5105639.667632876
XMax: -9126218.954483178
YMax: 6140163.2721788045
Spatial Reference: 102100
(3857)
Drawing Info:
Renderer:
Simple Renderer:
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Outline:
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Labeling Info:
Advanced Query Capabilities:
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Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false
HasZ: false
HasM: false
Has Attachments: false
HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText
Type ID Field: null
Fields:
-
OBJECTID
(
type: esriFieldTypeOID, alias: OBJECTID
)
-
HUC12
(
type: esriFieldTypeString, alias: Hydrologic Unit Code, length: 12
)
-
HUC12Name
(
type: esriFieldTypeString, alias: Subwatershed Name:, length: 80
)
-
LandCoverPercentDeveloped
(
type: esriFieldTypeDouble, alias: Developed Land Cover (%)
)
-
LandCoverPercentAgricultural
(
type: esriFieldTypeDouble, alias: Agricultural Land Cover (%)
)
-
LandCoverPercentWetland
(
type: esriFieldTypeDouble, alias: Wetland Land Cover (%)
)
-
LandCoverPercentForest
(
type: esriFieldTypeDouble, alias: Forested Land Cover (%)
)
-
LandCoverPercentOther
(
type: esriFieldTypeDouble, alias: Other Land Cover (%)
)
-
Shape
(
type: esriFieldTypeGeometry, alias: Shape
)
-
GlobalID
(
type: esriFieldTypeGlobalID, alias: GlobalID, length: 38
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created_user
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type: esriFieldTypeString, alias: created_user, length: 255
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created_date
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type: esriFieldTypeDate, alias: created_date, length: 8
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last_edited_user
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last_edited_date
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Shape.STArea()
(
type: esriFieldTypeDouble, alias: Shape.STArea()
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Shape.STLength()
(
type: esriFieldTypeDouble, alias: Shape.STLength()
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