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- Runoff - NASA Earthdata
Runoff is the measurement of the flow of water into a lake, stream or other waterbody, usually expressed in cubic feet per second The flow is produced by rainfall from storms, precipitation accumulation or transpiration, melting ice or snow, seepage, evaporation, and percolation Determining the runoff potential of an area is important data for water resources and agricultural management
- Global Hydrologic Soil Groups (HYSOGs250m) for Curve Number-Based . . .
This dataset - HYSOGs250m - represents a globally consistent, gridded dataset of hydrologic soil groups (HSGs) with a geographical resolution of 1 480 decimal degrees, corresponding to a projected resolution of approximately 250-m These data were developed to support USDA-based curve-number runoff modeling at regional and continental scales Classification of HSGs was derived from soil
- Glacier Runoff - NASA Earthdata
Glacier runoff is the water that comes from rain falling on or the melting of a glacier Runoff water flows into rivers, lakes, and oceans changing their shape, depth, span, flow rates, chemistry, environment, and more Runoff matters for many reasons For example, many animal and human communities depend on runoff to reliably fill rivers, lakes, and reservoirs for drinking water Too much
- Cattle, Crops, and Coral: Flood Plumes and the Great Barrier Reef
The Fitzroy's waters flush sediment, fertilizers, pesticides, herbicides, and other civilization-borne runoff hundreds of miles into the water off the coast of Australia At the end of the runoff plume, waiting for the sediment and nutrients to settle, are the prismatic corals of the Great Barrier Reef
- Data Catalog | NASA Earthdata
Earthdata Data Catalog Data previously managed by SEDAC are now available in Earthdata Search Access the latest information and complete data products
- Snow Melt - NASA Earthdata
Water runoff from melting snowpack and glaciers, when combined with rainfall, can affect the timing and magnitude of river flows and significantly impact the risk of flooding events However, snow melt also has some beneficial effects — billions of people worldwide rely on seasonal water runoff from snowpack and glaciers for irrigation and drinking water The Indus Basin in Asia, for example
- Snow Water Equivalent - NASA Earthdata
Snow Water Equivalent (SWE) is the amount of water contained in snowpack It is analogous to melting the snow and measuring the depth of the resulting pool of water SWE measurements are useful for assessing both the potential surface runoff from snow melt and the water availability for regions in lower elevations
- NASA Satellite Data Show Decrease in Colorado River Basin Aquifers
NLDAS is a system of several land surface models (LSMs), which allow researchers to determine the values of hydrologic variables such as runoff, soil moisture, streamflow, and evaporation LSMs use the input data to calculate the output variables
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