The National Academies of Science, Engineering and Medicine 2017 Decadal Survey of Earth Science and Applications identified geodetic measurements of surface deformation and related change as one of the top five “observables” to be prioritized in NASA’s future program. In response, NASA commissioned a multi-center Surface Deformation and Change(SDC) team to perform a five year study of mission architectures that would support SDC observables and provide the most value to the diverse science and applications communities it serves. The study is being conducted in phases, in which the science and applications capabilities identified in the Decadal Survey are refined, candidate architectures and associated technologies to support these needs are identified, architectures are assessed against a science value framework specific to SDC, and recommendations to NASA are made. Ultimately, NASA will decide which amongst these recommendations will proceed to mission formulation. As synthetic aperture radar (SAR) was identified as the prime sensor technology to satisfy SDC observational needs, a key component of the SDC study is to assess the current state of the art in SAR sensor and supporting technology. The number of SAR systems, both civil and commercial, is growing rapidly, requiring that mission architectures not only consider technology, but availability of data from other missions, possible partnerships or collaborations, and even data purchase. The mechanism for assessment involves development of an end-to-end science performance evaluation tool for multi-satellite con-stellations, which feeds into a science value framework that con-siders science performance, technological programmatic risks, and cost. This paper will present an overview of the ongoing study including the candidate architectures and the technology road map needed to achieve the objectives of the mission.


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    Titel :

    NASA’s Surface Deformation and Change Mission Study


    Beteiligte:
    Stephen Horst (Autor:in) / Jonathan Chrone (Autor:in) / Shaun Deacon (Autor:in) / Charles Le (Autor:in) / Adrien Maillard (Autor:in) / Andrew Molthan (Autor:in) / Anh Nguyen (Autor:in) / Batuhan Osmanoglu (Autor:in) / Shadi Oveisgharan (Autor:in) / Martin Perrine (Autor:in)

    Kongress:

    IEEE Conference on Aerospace ; 2021 ; Big Sky, MT, US



    Erscheinungsdatum :

    2021-06-07





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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