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Generation of coastal marsh topography with radar and ground-based measurements

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Generation of coastal marsh topography with radar and ground-based measurements; 1997; Article; Journal; Journal of Coastal Research; Ramsey, III, E. W.; Nelson, G. A.; Laine, S. C.; Kirkman, R. G.; Topham, W.

Summary

A topographic surface of a low lying coastal marsh was created by using three flood extent vectors digitized from ERS-1 SAR images and two elevation contours from U.S. Geological Survey topographic quadrangles. Point measurement of water depth at the times of the SAR collections allowed conversion of the radar measured flood extent vectors to topographic contours. Generation of the topographic surface was accomplished with a surface gridding algorithm. SAR and on-site measures. Errors in the generated topography were mainly associated with the lack of input contours covering narrow to broad plateaus and topographic highs and lows. The misplacement of SAR derived flood extent vectors also caused errors in sparsely vegetated high marsh [...]

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Type Scheme Key
local-index unknown 70019679
local-pk unknown 70019679
series unknown Journal of Coastal Research

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journalJournal of Coastal Research
parts
typevolume
value13
typeissue
value4
languageEnglish
citationTypeArticle

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