Feb 27, 2026 · 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 …

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 …

Mar 6, 2026 · 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, …

Jul 21, 2020 · 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 …

Feb 17, 2026 · 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, …

5 days ago · 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 …

Feb 27, 2026 · Data collected by NASA’s Earth-observing instruments provide information on the terrestrial hydrosphere including watershed extent, water quality, changes in surface and …

5 days ago · NASA's floods data provide key measurements for predicting their occurrence, calculating their extent, and making plans to respond to the disasters.

Dec 5, 2025 · 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 …

5 days ago · Near real-time data provided by NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE) can be used to identify, track, and map floodwater extent for active floods.