期刊
HYDROLOGICAL PROCESSES
卷 24, 期 26, 页码 3826-3836出版社
JOHN WILEY & SONS LTD
DOI: 10.1002/hyp.7814
关键词
stream temperature; regression model; river Elbe
资金
- BMBF
Daily stream temperatures are needed in a number of analyses. Such analyses might focus on aquatic organisms or industrial activities. To protect aquatic systems, industrial activities, for example, water withdrawals or discharges, are sometimes restricted. To evaluate where new industrial settings should be placed or if climate change will affect already existing industrial settings, the simulation of stream temperature is needed. Stream temperature models with weekly or monthly time scale might not be sufficient for this kind of analysis. Different regression models to simulate daily stream temperature for the river Elbe (Germany) are developed and their performance is estimated. For the calibration period the Nash-Sutcliffe coefficient (NSC) for the simplest model is 0.97, and the root mean squared error (RMSE) is 1.48 degrees C. For the most sophisticated model the NSC also is 0.97. However, the RMSE is 1.32 degrees C. For the validation period the NSC for the simplest model is 0.96, and the RMSE is 1.45 degrees C. The NSC for the most sophisticated model is 0.97, and the RMSE is 1.25 degrees C. Copyright (C) 2010 John Wiley & Sons, Ltd.
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