2007. Geological Survey (U.S.). This raster layer is a georeferenced image containing tree canopy data for the conterminous United States, in an Albers Equal-Area Conic projection... Geological Survey (U.S.).
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2007. National Center for Ecological Analysis and Synthesis. This raster dataset is a global model of artisanal fishing based on small scale fisheries data and population proximity to coastal areas. See the L... Science.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset shows the locations of benthic structures (oil rigs) in the world's oceans. Structures included are gas and communication pipel... Science.
2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). This drainage direction map for Central America defines the direction of flow from each cell in the conditioned digital elevation model to its stee... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset depicts the measurements of inorganic pollution in the world's oceans. See the Lineage section for complete information regardi... Science.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset depicts the measurements of ocean acidification at global coverage. Changes in CO2 concentration alter the aragonite saturation... Science.
2007. National Center for Ecological Analysis and Synthesis. This raster dataset is a model that measures the impact of sea surface temperature anomalies as a factor in global climate change. Potential for ec... Science.