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The derivation of a sub-canopy digital terrain model of a flooded forest using synthetic aperture radarSynthetic aperture radar data from the Shuttle Imaging Radar-B Mission were combined with the tide surface information to create a digital terrain model for a 70-km by 40-km section of the Mouths of the Ganges forests in southern Bangladesh. The dominance of the interaction phenomenon (canopy to surface or surface to canopy reflection) in flooded forests was exploited to create sub-canopy flood boundary maps for two different tide times. The boundary maps were digitally combined in x, y, z space with tide elevation models created from tide gauge data gridding the survey site and used as input to interpolation routines to create a terrain model. The end product represents a significant step in our ability to characterize the topography and hydrology of wetland ecosystems. The model derived here can be used for simulating tidal flow and nutrient transport from the forest to the marine habitat.
Document ID
19900060243
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Imhoff, Marc Lee
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gesch, Dean B.
(St Systems Corp. Lanham, MD, United States)
Date Acquired
August 14, 2013
Publication Date
August 1, 1990
Publication Information
Publication: Photogrammetric Engineering and Remote Sensing
Volume: 56
ISSN: 0099-1112
Subject Category
Earth Resources And Remote Sensing
Accession Number
90A47298
Distribution Limits
Public
Copyright
Other

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