Sep 11, 2025 · Water, snow, and ice are necessary for sustaining life on Earth and help connect the planet's systems. The terrestrial hydrosphere includes water on the land surface and …

Sep 30, 2025 · NASA's ground water datasets provide important details on the amounts, locations, movement, and use of water around the world.

NASA biosphere data are critical for understanding Earth's species, climate regulation and change, and its ecosystem processes.

Sep 30, 2025 · 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 …

Sep 30, 2025 · In particular, biogeochemistry examines the factors that influence cycles of key elements such as carbon, nitrogen, and phosphorous and the impacts of the elements as they …

Sep 30, 2025 · NASA's rivers and streams data gives researchers detailed measurements for studying, protecting, and mitigating hazards posed by the waterways.

Jan 17, 2016 · Weekly feature of MODIS imagery/visualizations of New Orleans and Mississippi River Delta from the Terra satellite on 1/18/2016, available from NASA Worldview.

NASA's online tools are designed to help users make the most of their data.

Sep 30, 2025 · The pattern followed by the waters of an area as they pass or flow off in surface streams. Definition source: United States Geological Survey

Sep 30, 2025 · Go from introductory knowledge in remote sensing to applied applications in hydrology, land cover change, or wildfire management. Trainings on Earthdata are designed to …