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Terms of Reference for the WATER HM Science Working Group (SWG)

Terms of Reference for the WATER HM Science Working Group (SWG) The overall goals of the SWG are

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Terms of Reference for the WATER HM Science Working Group (SWG)

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  1. Terms of Reference for the WATER HM • Science Working Group (SWG) • The overall goals of the SWG are • (1) to formulate the mission’s science goals and requirements; (2) conduct a mission definition study leading to an optimal preliminary design of the mission given science requirements and technology and cost constraints. • The deliverable of the SWG is a report describing the mission’s science goals and requirements and a preliminary mission design. This document will guide future mission development.

  2. SWG Membership and Operation • The members of the SWG were selected by an executive committee with members from the WATER and HM PIs and NASA and CNES managers. The selection is based on factors of keeping the SWG size less than 20, broad range of expertise in oceanography and hydrology, and balance between US and French participation. • Given the ambitious scope of the goals, the SWG cannot accomplish them without additional participation of the science and engineering community. Guest experts are invited to each meeting and they are an integral part of the SWG operation.

  3. (Draft outline of the SWG report) Wide-Swath Altimetric Measurement of Water Elevation on Earth Introduction Science questions Oceanography Hydrology Global sea level and water cycles Geophysics Measurement of water elevation Radar altimetry Radar interferometry Effects of ocean tides Effects of tropospheric water vapor Effects of rain A mission to map the water elevation on Earth Science goals and requirements Mission design issues Orbit and sampling issues Precision orbit determination Spatial resolution Water vapor radiometer Data rate and downlink requirements Calibration and validation A mission configuration

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