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HYDRO 1K Elevation Derivative Database
- Identification Information
- Data Quality Information
- Spatial Data Organization Information
- Spatial Reference Information
- Entity and Attribute Information
- Distribution Information
- Metadata Reference Information
- Identification Information
- Citation
- Originator
- EROS Data Center
- Publication Date
- Unknown
- Title
- HYDRO 1K Elevation Derivative Database
- Geospatial Data Presentation Form
- vector digital data
- Online Linkage
- https://figgy.princeton.edu/downloads/9dd4ef21-339b-443a-9636-8b7c76bba34f/file/38cf9530-6581-4a42-8b8e-bfa27f0edd6d
- Abstract
- The drainage basins distributed with the HYDRO1k data set suite are derived using the vector stream networks along with the flow direction data set. Each polygon in the basin data set has been tagged with a Pfafstetter code uniquely identifying each sub-basin. A detailed description of the coding scheme can be found in Verdin. Additional attributes defining the characteristics of each sub-basin have been developed.
- Purpose
- The Hydro1k Drainage Basins are a general purpose global database designed to support Geographic Information Systems applications.
- Temporal Extent
- Currentness Reference
- unknown
- Time Instant
- unknown
- Bounding Box
- West
- -179.999347
- East
- 179.999000
- North
- 83.217361
- South
- -59.484882
- Theme Keyword
- drainage basin
- Theme Keyword Thesaurus
- none
- Place Keyword
- Temporal Keyword
- Access Restrictions
- none
- Use Restrictions
- none
- Status
- Complete
- Maintenance and Update Frequency
- Unknown
- Point of Contact
- Delivery Point
- 47914 252nd Street.
- City
- Sioux Falls
- State
- SD
- Postal Code
- 57198-0001
- Country
- USA
- Native Data Set Environment
- Microsoft Windows Vista Version 6.0 (Build 6001) Service Pack 1; ESRI ArcCatalog 9.3.0.1770
- Data Quality Information
- Horizontal Positional Accuracy Report
- Global GIS Note: To help with space the polygons were generalized to reduce file size. The polygons were generalized with a factor of 0.007 degrees, which would allow shifts less than one kilometer at the equator. But in general there was not a noticeable difference.
- Lineage
- Spatial Data Organization Information
- Direct Spatial Reference Method
- Vector
- Point and Vector Object Information
- SDTS Terms Description
- SDTS Point and Vector Object Type
- G-polygon
- Point and Vector Object Count
- 55853
- Spatial Reference Information
- Horizontal Coordinate System Definition
- Geographic
- Latitude Resolution
- 0.000000
- Longitude Resolution
- 0.000000
- Geographic Coordinate Units
- Decimal degrees
- Geodetic Model
- Horizontal Datum Name
- D_WGS_1984
- Ellipsoid Name
- WGS_1984
- Semi-major Axis
- 6378137.000000
- Denominator of Flattening Ratio
- 298.257224
- Entity and Attribute Information
- Entity Type
- Entity Type Label
- world_drainbasins
- Attributes
- FID
- Internal feature number. (Sequential unique whole numbers that are automatically generated.)
- Definition Source
- ESRI
- Shape
- Feature geometry. (Coordinates defining the features.)
- Definition Source
- ESRI
- LEVEL1
- Pfafstetter units of each polygon
- LEVEL2
- Pfafstetter units of each polygon
- LEVEL3
- Pfafstetter units of each polygon
- LEVEL4
- Pfafstetter units of each polygon
- LEVEL5
- Pfafstetter units of each polygon
- LEVEL6
- Pfafstetter units of each polygon
- DEM_MEAN
- Mean elevation value within the subbasin (m)
- DEM_STDEV
- Standard deviation of the elevations within the subbasin (m)
- SLOPE_MEAN
- Mean value of the slopes within the subbasin (degree)
- SLOPE_STDE
- Standard deviation of the slopes within the subbasin (degree)
- ASPECT_MEA
- Mean value of the aspects within the subbasin (degree from N)
- ASPECT_STD
- Standard deviation of the aspects within the subbasin (degree from N)
- CTI_MEAN
- unknown
- CTI_STDEV
- unknown
- AREA
- Area of polygon (m2)
- PERIMETER
- Perimeter of polygon (m)
- Distribution Information
- Name
- Metadata Reference Information
- Metadata Date
- 20081209
- Metadata Contact
- Contact Information
- Contact Organization Primary
- Contact Organization
- EROS Data Center
- Contact Person
- REQUIRED: The person responsible for the metadata information.
- Contact Address
- City
- REQUIRED: The city of the address.
- State or Province
- REQUIRED: The state or province of the address.
- Postal Code
- REQUIRED: The ZIP or other postal code of the address.
- Contact Voice Telephone
- REQUIRED: The telephone number by which individuals can speak to the organization or individual.
- Metadata Standard Name
- FGDC Content Standards for Digital Geospatial Metadata
- Metadata Standard Version
- FGDC-STD-001-1998
- Metadata Extensions
- Online Linkage
- http://www.esri.com/metadata/esriprof80.html
- Profile Name
- ESRI Metadata Profile