globalchange  > 气候变化与战略
DOI: 10.5194/hess-23-2665-2019
论文题名:
Contrasting rainfall-runoff characteristics of floods in desert and Mediterranean basins
作者: Zoccatelli D.; Marra F.; Armon M.; Rinat Y.; Smith J.A.; Morin E.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2019
卷: 23, 期:6
起始页码: 2665
结束页码: 2678
语种: 英语
Scopus关键词: Arid regions ; Catchments ; Floods ; Landforms ; Rain ; Storms ; Annual precipitation ; Eastern Mediterranean ; High resolution radar ; Mediterranean areas ; Mediterranean climates ; Preliminary analysis ; Rainfall-runoff characteristics ; Runoff coefficients ; Runoff ; antecedent conditions ; database ; desert ; discharge ; flood ; gauge ; hydrological modeling ; Mediterranean environment ; rainfall-runoff modeling
英文摘要: Catchment-scale hydrological studies on drylands are lacking because of the scarcity of consistent data: observations are often available at the plot scale, but their relevance for the catchment scale remains unclear. A database of 24 years of stream gauge discharge and homogeneous high-resolution radar data over the eastern Mediterranean allows us to describe the properties of floods over catchments spanning from desert to Mediterranean climates, and we note that the data set is mostly of moderate intensity floods. Comparing two climatic regions, desert and Mediterranean, we can better identify specific rainfall-runoff properties. Despite the large differences in rainfall forcing between the two regions, the resulting unit peak discharges and runoff coefficients are comparable. Rain depth and antecedent conditions are the most important properties to shape flood response in Mediterranean areas. In deserts, instead, storm core properties display a strong correlation with unit peak discharge and, to a lesser extent, with runoff coefficient. In this region, an inverse correlation with mean catchment annual precipitation suggests also a strong influence of local surface properties. Preliminary analyses suggest that floods in catchments with wet headwater and dry lower section are more similar to desert catchments, with a strong influence of storm core properties on runoff generation. © Author(s) 2019.
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被引频次[WOS]:28   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162953
Appears in Collections:气候变化与战略

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作者单位: Zoccatelli, D., Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel; Marra, F., Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel; Armon, M., Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel; Rinat, Y., Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel; Smith, J.A., Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ, United States; Morin, E., Institute of Earth Sciences, Hebrew University of Jerusalem, Jerusalem, Israel

Recommended Citation:
Zoccatelli D.,Marra F.,Armon M.,et al. Contrasting rainfall-runoff characteristics of floods in desert and Mediterranean basins[J]. Hydrology and Earth System Sciences,2019-01-01,23(6)
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