Maqola

Space‐based measurements of sheet‐flow characteristics in the Everglades wetland, Florida

Shimon WdowinskiDivision of Marine Geology and Geophysics University of Miami Miami Florida USAFalk AmelungDivision of Marine Geology and Geophysics University of Miami Miami Florida USAFernando Miralles‐WilhelmDepartment of Civil, Architectural and Environmental Engineering University of Miami Coral Gables Florida USATimothy H. DixonDivision of Marine Geology and Geophysics University of Miami Miami Florida USAR. CarandeVexcel Corporation Boulder Colorado USA

2004en

ABI

Annotatsiya

New space‐based observations of South Florida with interferometric SAR (InSAR) reveal spatially detailed, quantitative images of water levels in the Everglades. The new data capture dynamic water level topography, providing the first detailed picture of wetland sheet flow. We observe localized radial sheet flow in addition to well‐known southward unidirectional sheet flow, modelled as a linear diffusive flow. We obtain quantitative estimates of flow diffusivity (23–91 m 2 /s), the first space‐based estimates of such hydrologic parameter for the Everglades. Space‐based hydrologic observations can provide critical information for monitoring, understanding and managing wetland sheet flow, and contribute to wetland restoration.

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Identifikatorlar

DOI: 10.1029/2004gl020383

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