Development of a national seamless database of topography and hydrologic derivatives
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Abstract
The recent completion of the National Elevation Dataset (NED) and the National Hydrography Dataset (NHD) has provided an avenue for nationwide development of topographically derived hydrologic data layers at a scale of 1:24,000. This multilayer dataset of hydrologic derivatives, entitled the Elevation Derivatives for National Applications (EDNA), is being developed by a consortium of participants, including the U.S. Geological Survey (USGS), National Weather Service (NWS), the Environmental Protection Agency (EPA) and others. After the dataset is completed, terabytes of data will need to be stored, managed and distributed. To facilitate browse and, ultimately, delivery of the EDNA data, the consortium decided to manage the data layers with ArcSDE and provide browse and delivery of the data through the use of ArcIMS.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Development of a national seamless database of topography and hydrologic derivatives |
| Year Published | 2001 |
| Language | English |
| Publisher | Environmental Systems Research Institute (ESRI) |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 9 p. |
| Conference Title | 21st Users Conference |
| Conference Location | San Diego, CA |
| Conference Date | July 9-13, 2001 |