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Surface Water. Find Data. Pertains to all water present above the substrate or soil surface including water contained in an ocean, river, stream, lake, pond, lagoon, or impoundment reservoir. Definition source: United States Geological Survey.
Surface-water hydrology is a field that encompasses all surface waters of the globe (overland flows, rivers, lakes, wetlands, estuaries, oceans, etc.). This is a subset of the hydrologic cycle that does not include atmospheric, and ground waters. Surface-water hydrology relates the dynamics of flow in surface-water systems (rivers, canals, streams, lakes, ponds, wetlands, marshes, arroyos ...
Drainage Basins. Find Data. An area of land where surface water from rain, melting snow, or ice converges to a single point at a lower elevation, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean. Definition source: United States Geological Survey.
Lakes/Reservoirs. Find Data. An area of land where surface water from rain, melting snow, or ice converges to a single point at a lower elevation, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean. Definition source: United States Geological Survey.
Find Data. River: A large, natural freshwater surface stream having a permanent seasonal flow and moving toward a sea, lake, or another river in a definite channel. Stream: A body of running water moving under the influence of gravity to lower levels in a narrow, clearly defined natural channel. Definition source: United States Geological Survey.
Surface Water Processes/Measurements. Surface-water hydrology is a field that encompasses all surface waters of the globe (overland flows, rivers, lakes, wetlands, estuaries, oceans, etc.). This is a subset of the hydrologic cycle that does not include atmospheric, and ground waters. Surface-water hydrology relates the dynamics of flow in ...
Evapotranspiration. The combined processes through which water is transferred to the atmosphere from open water and ice surfaces, bare soil, and vegetation that make up the earth's surface. Definition source: United States Geological Survey.
The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources—satellites, aircraft, field measurements, and various other programs.
Find Data. Water is necessary for sustaining life on Earth and helps connect Earth's systems. The terrestrial hydrosphere includes water on the land surface and underground in the form of lakes, rivers, and groundwater along with total water storage. NASA tracks nearly every aspect of the water cycle — where precipitation is falling, the ...
Atmospheric Water Vapor. Find Data. (Also called aqueous vapor, moisture.) Water substance in vapor form; one of the most important of all constituents of the atmosphere.Air in motion relative to the surface of the earth. Definition source: National Snow and Ice Data Center.