Scheduling satellite-based SAR acquisition for sequential assimilation of water level observations into flood modelling.
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| Title: | Scheduling satellite-based SAR acquisition for sequential assimilation of water level observations into flood modelling. |
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| Authors: | García-Pintado, Javier1,2 j.garcia-pintado@reading.ac.uk, Neal, Jeff C.3, Mason, David C.1,2, Dance, Sarah L.1,2, Bates, Paul D.3 |
| Source: | Journal of Hydrology. Jul2013, Vol. 495, p252-266. 15p. |
| Subjects: | Structure-activity relationships, Water levels, Floods, Online data processing, Hydraulic measurements, Water depth, Water table |
| Abstract: | Highlights: [•] We assimilate satellite SAR-derived water level with an ensemble filter (ETKF). [•] We evaluate the forecast sensitivity to satellite first visit and revisit time. [•] Online correction of imposed bias clearly improves the 2D flood model/DA forecast. [•] Imagery obtained early in the flood has a large influence on the forecast. [•] Revisit interval is most influential for early observations. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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