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Update 2017-08-13


  • The GNSS-H2O portal has completed its development under AIST-14. We continue to maintain the page as we further develop additional cloud computing capabilities under augmentation funds from NASA. Please contact us if you are interested in adding stations to the GNSS-H2O portal.

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Snow influences the land-surface water budget. Snow measurements are needed both to study climate and to predict drought, flooding, and water availability.

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Monitoring changes in vegetation is important for climate and hydrologic modeling applications, validation of satellite estimates of land surface conditions, and testing of ecohydrological hypotheses.

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Soil moisture affects the partitioning of precipitation into runoff, evapotranspiration and deep drainage and the fluxes of energy and carbon between the land surface and atmosphere.

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