GSTDTAP  > 资源环境科学
DOI10.1002/2017WR021346
Conditioning a Hydrologic Model Using Patterns of Remotely Sensed Land Surface Temperature
Zink, Matthias1; Mai, Juliane1,2; Cuntz, Matthias1,3; Samaniego, Luis1
2018-04-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:4页码:2976-2998
文章类型Article
语种英语
国家Germany; Canada; France
英文摘要

Hydrologic models are usually calibrated using observed river runoff at catchment outlets. Streamflow, however, represents an integral response of the entire catchment and is observed at a few locations worldwide. Parameter estimation based on streamflow has the disadvantage that it does not consider the spatiotemporal variability of hydrologic states and fluxes such as evapotranspiration. Remotely sensed data, in contrast, include these variabilities and are broadly available. In this study, we assess the predictive skill of satellite-derived land surface temperature (T-s) with respect to river runoff (Q). We developed a bias-insensitive pattern-matching criterion to focus the parameter optimization on spatial patterns of T-s. The proposed method is extensively tested in six distinct large German river basins and cross validated in 222 additional basins in Germany. We conclude that land surface temperature calibration outperforms random drawn parameter sets, which could be meaningful for calibrating hydrologic models in ungauged locations. A combined calibration with Q and T-s reduces the root mean squared error in the predicted evapotranspiration by 8% compared to flux tower observations but reduces the NSEs of the streamflow predictions by 6% on average for the six large basins. Our results show that patterns of Ts better constrain model parameters when considered in a calibration next to Q, which finally reduces parametric uncertainty.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000434186400027
WOS关键词WATER BALANCE MODEL ; DISCHARGE MEASUREMENTS ; DATA ASSIMILATION ; SOIL-MOISTURE ; SENSING DATA ; UNCERTAINTY ; FLUXES ; PREDICTIONS ; CALIBRATION ; GERMANY
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/20083
专题资源环境科学
作者单位1.UFZ Helmholtz Ctr Environm Res, Dept Computat Hydrosyst, Leipzig, Germany;
2.Univ Waterloo, Dept Civil & Environm Engn, Waterloo, ON, Canada;
3.Univ Lorraine, INRA, AgroParisTech, UMR Silva, Nancy, France
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GB/T 7714
Zink, Matthias,Mai, Juliane,Cuntz, Matthias,et al. Conditioning a Hydrologic Model Using Patterns of Remotely Sensed Land Surface Temperature[J]. WATER RESOURCES RESEARCH,2018,54(4):2976-2998.
APA Zink, Matthias,Mai, Juliane,Cuntz, Matthias,&Samaniego, Luis.(2018).Conditioning a Hydrologic Model Using Patterns of Remotely Sensed Land Surface Temperature.WATER RESOURCES RESEARCH,54(4),2976-2998.
MLA Zink, Matthias,et al."Conditioning a Hydrologic Model Using Patterns of Remotely Sensed Land Surface Temperature".WATER RESOURCES RESEARCH 54.4(2018):2976-2998.
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