Dec 26, 2025 · Evapotranspiration (ET) is the sum of water evaporation from the land surface and its transpiration, or movement, through vegetation. ET measurements are useful in monitoring and …

Jan 2, 2026 · Glacier Advance and Retreat Glaciers advance and retreat. If more snow and ice are added than are lost through melting, calving, or evaporation, glaciers will advance. If less snow and …

Jan 8, 2026 · The accumulation (input) zone is where a glacier gains snow and ice through snowfall and compression. Ice begins to flow like a conveyor belt, driven by gravity and ever mounting snows. In …

Jan 2, 2026 · View glossary terms related to the Glacier Power curriculum supplement developed by NASA’s Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).

Jan 2, 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 …

Dec 21, 2022 · True-color image of the Dead Sea (the dark body of water) and salt evaporation ponds (the green/blue green rectangular features at the southern end of the sea). This image was acquired …

Dec 31, 2023 · True-color image of the Cauchari-Olaroz Lithium Mine in Jujuy Province, Argentina. In the center of the image are bright green/cyan evaporation ponds with salars, or salt flats, to the north …

MODISデータ製品MOD16のアルゴリズムと関連情報を説明する技術文書です。

FLUXNET is a global network of micrometeorological tower sites that use eddy covariance methods to measure the exchanges of carbon dioxide, water vapor, and energy between terrestrial ecosystems …

Jan 2, 2026 · Solar radiation is the total visible and invisible electromagnetic radiation emitted by the Sun. In a sense, NASA Earth science data comprises literally everything under the Sun. The …