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Cheng K. C., Calmant Stéphane, Kuo C. Y., Tseng H. Z., Shum C. K., Seyler Frédérique, Silva da J. S. Branco river stage gradient determination and Amazon hydrologic studies using GPS water level measurements. Marine Geodesy, 2009, 32 (3), p. 267-283. ISSN 0149-0419

Lien direct chez l'éditeur doi:10.1080/01490410903094460

TitreBranco river stage gradient determination and Amazon hydrologic studies using GPS water level measurements
Année de publication2009
Type de documentArticle référencé dans le Web of Science : 000270492900002
AuteursCheng K. C., Calmant Stéphane, Kuo C. Y., Tseng H. Z., Shum C. K., Seyler Frédérique, Silva da J. S.
SourceMarine Geodesy, 2009, 32 (3), p. 267-283. ISSN 0149-0419
RésuméThis study presents the result of a demonstration of Global Positioning System (GPS) hydrologic studies in a remote area. A GPS campaign was conducted using a GPS-equipped vessel and a GPS buoy to measure water level along Rio Branco, a tributary of the Amazon. The GPS water level data agree well with river gauge data and with ENVISAT radar altimeter measurements. The GPS-estimated river stage gradient of Rio Branco is 5.75 +/- 0.48 cm/km with 99% confidence, which is higher than previous estimates. This result also agrees well with ENVISAT altimetry results.
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