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Our aim is to improve/nurture the following global measurements: precipitation (P), evaporation (E), P-E and the land hydrologic state, such as soil-water, freeze/thaw and snow. We are exploring an integrating water-cycle mission which would observe water molecules through the atmosphere and land surface using a active/passing hyperspectral microwave instrument.

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Input - Output = Storage Change

Transport + Evaporation - Precipitation - Runoff - P = &Delta Land Storage + &Delta Water Vapor

Conditions of Use
Any and all materials published on the GSFC Earth Science Enterprise Water and Energy Cycle web site are freely available for re-publication or re-use, except where copyright is indicated. We ask that the GSFC Earth Science Enterprise Water and Energy Cycle web site (http://gwec.gsfc.nasa.gov/) be given credit for its original materials.