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| Value | Definition |
|---|---|
| 1 | Alluvium - a geomorphic unit of negative or low relative elevation that typically exhibits comparatively deep unconsolidated surficial sediments and gravels deposited by hydrologic processes |
| 2 | Terrace - which are micro-relief features located in close proximity to the alluvium and the current or paleo channel; created through the deposition or erosion of sediments during flood conditions, and can provide evidence of previous channel locations |
| 3 | colluvial hillslope - the surficial weathered or weakened rock which is primarily affected by gravity-driven erosion and is underlain by undifferentiated bedrock |
U.S. Department of State, U.S. Agency for International Development
This GIS dataset was created to describe the spatial extent of geomorphology in the Central African Republic. The raster contains 3 values: 1 - alluvium, 2 - terrace, 3 - colluvial hillslope. All other areas have a value of 'no data'.
Are there legal restrictions on access or use of the data?Access_Constraints: none
Use_Constraints:Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originator of these data in future products or derivative research.
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. The U.S. Geological Survey requests to be acknowledged as originator of these data in future products or derivative research.
This dataset is formatted as a .tif raster. It requires the user to have geospatial software such as ESRI ArcGIS, Blue Marble Global Mapper, Que GIS, GRASS, or other GIS software.