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Center Independent Research & Development: GSFC IRAD

Snow Water Equivalent (SWE) from Space

Completed Technology Project

Project Description

How can a subset of SWESARR observations be made from space?

The overarching goal for this effort is to mature concept ideas for a spaceborne microwave snow water equivalent (SWE) instrument for a future opportunity. This overarching goal will be achieved through a set of smaller tasks. The first step of the project will be to narrow down scientific needs based on previous studies and define instrument requirements. Existing data from SWE Synthetic Aperture Radar (SAR) and Radiometer (SWESARR) will be analyzed to define the minimum necessary observables to satisfy the science needs, as it provides 6 active (tri-band dual-polarization radar) and 3 passive (tri-band single polarization radiometer) observations. Once the concept design of the microwave instrument is defined, it'll be improved through an instrument design laboratory. The final instrument design will be further analyzed to assess how well it addresses the scientific needs. 

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