Arctic National Wildlife Refuge Data; USGS, Alaska
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C2231552054-CEOS_EXTRA.html
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资源简介：
Digital land cover and terrain data of the Arctic National Wildlife Refuge
(ANWR) were prduced by the U.S. Geological Survey (USGS) Earth Resources
Observation Systems Field Office, Anchorage, Alaska for the U.S. Fish and
Wildlife Service (USFWS). These and other environmental data, were incorporated
into the USFWS geographic information system to prepare a comprehensive
conservation plan for the ANWR and an environmental impact statement which
addresses oil and gas development in the Arctic Coastal Plain, and to assist
research of the Porcupine Caribou herd.
The data set contains land cover classification derived from Landsat MSS data,
and elevation, slope and aspect data derived from DEM data. Data can be keyed
on a U.S. Geological Survey 1:250,000 quadrangle basis. Spatial referencing is
by 50 meter grid cells. Data source is Landsat MSS data, Digital Elevation
Model (DEM) data, containing 299 records and the storage required varies by
storage medium and selected area; file structure is sequential. Limited
documentation and users guide are available. The data is organized by 7 1/2 '
or 15 ' quads.
提供机构：
CEOS_EXTRA
