Type Raster Dataset
To show the relief of terrain on Yap.
This dataset shows the relief of terrain on Yap. It was derived by Island Research & Education Initiative (iREi) from a 10-meter resolution Digital Elevation Model (DEM) created U.S. Geological Survey based on topography compiled in 1969.
Island Research & Education Initiative (iREi) U.S. Geological Survey (USGS), EROS Data Center U.S. Department of Agriculture (USDA) Natural Resources Conservation Services, National Cartography & Geospatial Center
There are no expressed warranties associated with the release of these databases. Specifically, no warranty is made that the GIS data or any subsequent updates will be error free and no warranty is made regarding the positional or thematic accuracy of the GIS data. The GIS data and any features it depicts do not represent or confer any legal rights, privileges, benefits, boundaries or claims of any kind.
There is no extent for this item.
There is no scale range for this item.
The dataset is included in the Digital Atlas of Micronesia, module Yap, by Island Research & Education Initiative (iREi) in collaboration with Water and Environmental Research Institute of the Western Pacific (WERI) at the University of Guam and funding from United States Geological Survey (USGS) under WRRI 104-B Program and FSM Department of Environment, Climate Change & Emergency Management (DECEM).
Island Research & Education Initiative (iREi) U.S. Geological Survey (USGS), EROS Data Center U.S. Department of Agriculture (USDA) Natural Resources Conservation Services, National Cartography & Geospatial Center
Year topography was compiled
See access and use constraints information.
There are no expressed warranties associated with the release of these databases. Specifically, no warranty is made that the GIS data or any subsequent updates will be error free and no warranty is made regarding the positional or thematic accuracy of the GIS data. The GIS data and any features it depicts do not represent or confer any legal rights, privileges, benefits, boundaries or claims of any kind.
The data is acquired from USGS as Oracle Transportable Tablespaces. It is loaded to NCGC SDE servers and extracted in a UTM projection by gateway ArcObjects services.
1. Merged separate .tif files into single file; 2. Clipped data; 3. Created metadata based on original metadata information supplied as html document.
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
ArcInfo Grid - Cell Size: one arc-second Data type: floating point Number of Rows: varies Number of Lines: varies Projection: UTM Datum: NAD83 Horizontal Units: meters Zunits: meters ArcView Shapefile - Three File Types: .dbf. shp. shx, prj Enhanced Shaded Relief - tif and tfw files as geotiff ned30m_metadata.xml ned30m_metadata.html ned30m_readme.txt USGS_NED10m_factsheet.pdf
U.S. Department of the Interior, U.S. Geological Survey, 1998, Standards for Digital Elevation Models: Reston, VA. Softcopy in Adobe Acrobat Portable Document File (PDF) format: <http://rockyweb.cr.usgs.gov/nmpstds/demstds.html>