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The Topographic and Bathymetric Shaded Relief of North America map layer shows depth and elevation ranges using colors, with relief enhanced by shading. The image was derived from two pre-existing map layers; the Bathymetric Shaded Relief of North America, derived from ETOPO2 data, and the Color North America Shaded Relief, derived from GTOPO30 data.
Categories: Web Site; Tags: Alabama, Alaska, Arizona, Arkansas, Atlantic, All tags...
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The Bathymetry of North America map layer shows depth ranges using colors. The image was derived from the National Geophysical Data Center’s ETOPO2 elevation data, which is an elevation database gridded at 2-minute resolution, containing elevation and bathymetry for the world. The image was produced from the October 2001 data set.
Categories: Web Site; Tags: Alabama, Alaska, Arizona, Arkansas, Atlantic, All tags...
The Arctic National wildlife Refuge (ANWR) , located on the Alaska North Slope, is believed to contain high petroleum production potential. This region also has outstanding wildlife and wilderness values. Currently ANWR is closed to oil and gas leasing. However, Congress is considering an Interior Department recommendation to open a portion of ANWR to oil and gas production. Environmentalists maintain that petroleum exploration and development will have severe environmental effects on the calving activities of one of the largest caribou herds in the Arctic, negative impacts on the peregrine falcon, lesser snow goose, and muskox populations, as well as other detrimental environmental consequences. A draft study by...
Tidal energy has the technical potential to form part of a low carbon electricity sector, however, its ‘social potential’ is less clear, as few empirical studies of public beliefs and responses have been conducted to date. This research addressed this gap by investigating a tidal energy convertor in Northern Ireland, said to be the first grid-connected device of its kind in the world. Data was collected from 313 residents of two nearby villages using mixed methods, guided by a conceptual framework that avoided ‘NIMBY’ assumptions and instead drew on place theory. Findings indicated strong support for the project, arising from beliefs that the project enhanced local distinctiveness by ‘putting the area on the map...
Tidal energy has the technical potential to form part of a low carbon electricity sector, however, its ‘social potential’ is less clear, as few empirical studies of public beliefs and responses have been conducted to date. This research addressed this gap by investigating a tidal energy convertor in Northern Ireland, said to be the first grid-connected device of its kind in the world. Data was collected from 313 residents of two nearby villages using mixed methods, guided by a conceptual framework that avoided ‘NIMBY’ assumptions and instead drew on place theory. Findings indicated strong support for the project, arising from beliefs that the project enhanced local distinctiveness by ‘putting the area on the map...
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The North America Shaded Relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from several raster and vector sources of topographic information. It was developed between 1993 and 1996 through a collaborative effort led by staff at the U.S. Geological Survey's EROS Data Center (EDC). The following organizations participated by contributing funding or source data: the National Aeronautics and Space Administration (NASA), the United Nations Environment Programme/Global Resource Information Database (UNEP/GRID), the U.S. Agency for International Development (USAID),...
Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Alaska, Arizona, Arkansas, California, All tags...


map background search result map search result map Magnetic Field - Inclination Component for the Epoch 1995.0 Bathymetry of North America Topographic and Bathymetric Shaded Relief of North America USGS Small-scale Dataset - Color North America Shaded Relief - 1-Kilometer Resolution 200304 GeoTIFF Bathymetry of North America Topographic and Bathymetric Shaded Relief of North America USGS Small-scale Dataset - Color North America Shaded Relief - 1-Kilometer Resolution 200304 GeoTIFF Magnetic Field - Inclination Component for the Epoch 1995.0