Application of Remote Sensing Data to Constrain Operational Rainfall-Driven Flood Forecasting: A ReviewReport as inadecuate




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Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia





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Academic Editors: Richard Gloaguen and Prasad S. Thenkabail

Abstract Fluvial flooding is one of the most catastrophic natural disasters threatening people’s lives and possessions. Flood forecasting systems, which simulate runoff generation and propagation processes, provide information to support flood warning delivery and emergency response. The forecasting models need to be driven by input data and further constrained by historical and real-time observations using batch calibration and-or data assimilation techniques so as to produce relatively accurate and reliable flow forecasts. Traditionally, flood forecasting models are forced, calibrated and updated using in-situ measurements, e.g., gauged precipitation and discharge. The rapid development of hydrologic remote sensing offers a potential to provide additional-alternative forcing and constraint to facilitate timely and reliable forecasts. This has brought increasing interest to exploring the use of remote sensing data for flood forecasting. This paper reviews the recent advances on integration of remotely sensed precipitation and soil moisture with rainfall-runoff models for rainfall-driven flood forecasting. Scientific and operational challenges on the effective and optimal integration of remote sensing data into forecasting models are discussed. View Full-Text

Keywords: remote sensing; flood forecasting; soil moisture; precipitation; batch calibration; data assimilation remote sensing; flood forecasting; soil moisture; precipitation; batch calibration; data assimilation





Author: Yuan Li * , Stefania Grimaldi, Jeffrey P. Walker and Valentijn R. N. Pauwels

Source: http://mdpi.com/



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