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DOI10.1029/2018WR022588
Exploring Controls on Rainfall-Runoff Events: 2. Regional Patterns and Spatial Controls of Event Characteristics in Germany
Tarasova, L.1; Basso, S.1; Poncelet, C.2; Merz, R.1
2018-10-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:10页码:7688-7710
文章类型Article
语种英语
国家Germany; France
英文摘要

This study unveils regional patterns of rainfall-runoff event characteristics in Germany and identifies their spatial controls. Characteristics describing mean value, variability, and seasonality of event runoff coefficient, time scale, rise time, and of the occurrence of multiple-peak events are derived for a set of 196,073 rainfall-runoff events observed in 401 mesoscale German catchments. Multiobjective performances of various variable selection methods are used to identify hydrologically relevant variables from a comprehensive set of 115 descriptors of climate, topography, geomorphology, soil, land use, hydrogeology, and geology for every catchment. Results show that although event characteristics have relatively clear regional patterns due to the dominance of climatic controls at regional scale, subsurface properties (i.e., catchment storage) play a considerable role for the prediction of event runoff response. Compared to other tested variable selection methods, the application of a backward elimination procedure allows for the most accurate prediction of spatial patterns and regionalized values of event characteristics identifying soil depth, hydraulic permeability and frequency, size, and seasonality of wet spells as hydrologically relevant catchment descriptors. Climatic and hydrogeological descriptors outperform other generic groups of catchment descriptors. The hydrological interpretation of the emergent regional pattern of event characteristics, their variability, and seasonality provides insight on archetypical catchment behaviors and their controls.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000450726000032
WOS关键词PRINCIPAL COMPONENT ANALYSIS ; CATCHMENT CLASSIFICATION ; FLOOD FREQUENCY ; SELECTION METHODS ; SOIL-MOISTURE ; WATER FLUXES ; GENERATION ; MODEL ; COEFFICIENTS ; BEHAVIOR
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/20992
专题资源环境科学
作者单位1.UFZ Helmholtz Ctr Environm Res, Dept Catchment Hydrol, Halle, Saale, Germany;
2.Natl Res Inst Sci & Technol Environm Agr, Hydrosyst & Bioproc Res Unit, Antony, France
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GB/T 7714
Tarasova, L.,Basso, S.,Poncelet, C.,et al. Exploring Controls on Rainfall-Runoff Events: 2. Regional Patterns and Spatial Controls of Event Characteristics in Germany[J]. WATER RESOURCES RESEARCH,2018,54(10):7688-7710.
APA Tarasova, L.,Basso, S.,Poncelet, C.,&Merz, R..(2018).Exploring Controls on Rainfall-Runoff Events: 2. Regional Patterns and Spatial Controls of Event Characteristics in Germany.WATER RESOURCES RESEARCH,54(10),7688-7710.
MLA Tarasova, L.,et al."Exploring Controls on Rainfall-Runoff Events: 2. Regional Patterns and Spatial Controls of Event Characteristics in Germany".WATER RESOURCES RESEARCH 54.10(2018):7688-7710.
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