Layers:

Layer: HU04_soilDrainageProductivity (0)


Name: HU04_soilDrainageProductivity

Display Field: NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Each drainage area is considered a Hydrologic Unit (HU) and is given a Hydrologic Unit Code (HUC) which serves as the unique identifier for the area. Hydrologic Units are delineated to nest in a multi-level, hierarchical drainage system with corresponding HUCs, so that as you move from small scale to large scale the HUC digits increase in increments of two. For example, the very largest HUCs have 2 digits, and thus are referred to as HUC 2s, and the very smallest HUCs have 12 digits, and thus are referred to as HUC 12s.





HUC 2s, 6s, 8s, 10s, & 12s, define the drainage Regions, Subregions, Basins, Subbasins, Watersheds and Subwatersheds, respectively, across the United States. Their boundaries are defined by hydrologic and topographic criteria that delineate an area of land upstream from a specific point on a river and are determined solely upon science based hydrologic principles, not favoring any administrative boundaries, special projects, or a particular program or agency. The Watershed Boundary Dataset is delineated and georeferenced to the USGS 1:24,000 scale topographic basemap.


Dataset Summary


Phenomenon Mapped: Watersheds in the United States, as delineated by the Watershed Boundary Dataset (WBD).
Coordinate System: NAD83

Extent: Contiguous United States, Alaska, Hawaii, Puerto Rico, Guam, US Virgin Islands, Northern Marianas Islands and American Samoa.
Visible Scale: Visible at all scales, however USGS recommends this dataset should not be used for scales of 1:24,000 or larger.

Source: United States Geological Survey
Publication Date: July 27, 2023


Copyright Text: United States Geological Survey (USGS), in partnership with US EPA, USDA NRCS, along with other state, federal, and local partners.

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -13904051.523
YMin: 2801656.1603
XMax: -7349173.1687
YMax: 6960953.6853
Spatial Reference: 102100 (3857)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• HUC4 (type: esriFieldTypeString, alias: HUC4, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true)
• NAME (type: esriFieldTypeString, alias: NAME, SQL Type: sqlTypeOther, length: 120, nullable: true, editable: true)
• drainageScore (type: esriFieldTypeDouble, alias: drainageScore, SQL Type: sqlTypeOther, nullable: true, editable: true)
• meanCPI (type: esriFieldTypeDouble, alias: meanCPI, 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:

Name: HU04_soilDrainageProductivity
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 2/17/2024 2:42:26 AM

Schema Last Edit Date: 2/17/2024 2:42:26 AM

Data Last Edit Date: 2/17/2024 2:42:26 AM