USGS - science for a changing world
National Severe Storms Laboratory Environmental Protection Agency
 

Elevation Derivatives for National Applications (EDNA)



EDNA Stage 1 Data Layers

Sinks (9K)

Sinks

File Type:    Vector (polygon)
Description: Defines the extent of each depression filled during creation of the filled digital elevation model. Each cell within a depression is assigned a unique value. Upland cells are assigned a value of "no data." The sinks are polygons representing filled areas in the digital elevation model that are larger than 1000 contiguous pixels or more.

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://edna.usgs.gov
Page Contact Information: webmapping@usgs.gov
Page Last Modified: May 25, 2005