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A novel approach to monitoring wetland dynamics using CYGNSS: Everglades case study

Morris, Mary ; Chew, Clara ; Reager, John T. ; Shah, Rashmi ; Zuffada, Cinzia

Remote sensing of environment, 2019-11, Vol.233, p.111417, Article 111417 [Periódico revisado por pares]

New York: Elsevier Inc

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  • Título:
    A novel approach to monitoring wetland dynamics using CYGNSS: Everglades case study
  • Autor: Morris, Mary ; Chew, Clara ; Reager, John T. ; Shah, Rashmi ; Zuffada, Cinzia
  • Assuntos: Cyclones ; CYGNSS ; Everglades ; Flood mapping ; Global navigation satellite system ; GNSS-R ; Hydrologic data ; Hydrology ; Inundation ; Mapping ; Navigation ; Navigation satellites ; Navigation systems ; Reflectometry ; Remote sensing ; Satellite observation ; Satellites ; Sensing techniques ; Tropical environments ; Water depth ; Weather ; Wetlands
  • É parte de: Remote sensing of environment, 2019-11, Vol.233, p.111417, Article 111417
  • Descrição: Global Navigation Satellite System-Reflectometry (GNSS-R) is a remote sensing technique that uses scattered navigation signals opportunistically for science applications. The Cyclone Global Navigation Satellite System (CYGNSS) is the first science-driven GNSS-R satellite mission. Although the CYGNSS mission is motivated and designed to better observe weather processes, the data are also useful for other applications, including surface hydrology. This paper aims to demonstrate that CYGNSS has a capability for frequent, high-resolution observations of the wetland dynamics across a wide range of timescales in the tropics. Using matched estimates of water depth from the Everglades Depth Estimation Network (EDEN), we develop methods for mapping inundation over the South Florida Everglades wetland region using CYGNSS data. CYGNSS enables inundation mapping at rapid timescales throughout the diverse Everglades ecosystem, and the data could be complementary to those of well-established observational platforms. The strengths of GNSS-R could be leveraged with the strengths of other techniques to enable studies of wetlands dynamically at short timescales. •Scattered navigation signals from land surfaces are sensitive to surface water.•Ground-based data used to train, validate spaceborne inundation mapping method.•Constellation of spacecraft (CYGNSS) captures short time scale processes.
  • Editor: New York: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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