期刊
JOURNAL OF HYDROLOGY
卷 518, 期 -, 页码 194-205出版社
ELSEVIER
DOI: 10.1016/j.jhydrol.2014.05.022
关键词
Flash flood; Debris flows; Early warning systems; Flood risk management; Climate change; Hydrogeomorphology
资金
- Research Project GEO-RISKS (University of Padova) [STPD08RWBY]
- European Community's Sixth Framework Programme [GOCE 037024]
- European Community Seventh Framework Programme LSIP Project ACQWA [GOCE 212250]
- Era.Net CICRLE Mountain Project ARNICA [10-MCGOT-CIRCLE-2-CVS-116]
- Project GESTO (Provincia di Bolzano)
Flash floods and debris flows develop at space and time scales that conventional observation systems for rainfall, streamflow and sediment discharge are not able to monitor. Consequently, the atmospheric, hydrological and geomorphic controls on these hydrogeomorphic processes are poorly understood, leading to highly uncertain warning and risk management. On the other hand, remote sensing of precipitation and numerical weather predictions have become the basis of several flood forecasting systems, enabling increasingly accurate detection of hazardous events. The objective of this paper is to provide a review on current European and international research on early warning systems for flash floods and debris flows. We expand upon these themes by identifying: (a) the state of the art; (b) knowledge gaps; and (c) suggested research directions to advance warning capabilities for extreme hydrogeomorphic processes. We also suggest three areas in which advancements in science will have immediate and important practical consequence, namely development of rainfall estimation and nowcasting schemes suited to the specific space-time scales, consolidating physical, engineering and social datasets of flash floods and debris-flows, integration of methods for multiple hydrogeomorphic hazard warning. (C) 2014 Elsevier B.V. All rights reserved.
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