globalchange  > 气候变化与战略
DOI: 10.5194/hess-24-1055-2020
论文题名:
Evaporation from a large lowland reservoir-(dis)agreement between evaporation models from hourly to decadal timescales
作者: Jansen F.A.; Teuling A.J.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2020
卷: 24, 期:3
起始页码: 1055
结束页码: 1072
语种: 英语
Scopus关键词: Decision making ; Lakes ; Reservoirs (water) ; Water management ; Changing climate ; Diurnal cycle ; Evaporation method ; Evaporation model ; Hydrological models ; Surface evaporation ; Temporal scale ; Water managers ; Evaporation ; climate change ; decision making ; evaporation ; hydrological modeling ; reservoir ; water management ; Netherlands
英文摘要: Accurate monitoring and prediction of surface evaporation become more crucial for adequate water management in a changing climate. Given the distinct differences between characteristics of a land surface and a water body, evaporation from water bodies requires a different parameterization in hydrological models. Here we compare six commonly used evaporation methods that are sensitive to different drivers of evaporation, brought about by a different choice of parameterization. We characterize the (dis)agreement between the methods at various temporal scales ranging from hourly to 10-yearly periods, and we evaluate how this reflects in differences in simulated water losses through evaporation of Lake IJssel in the Netherlands. At smaller timescales the methods correlate less (r D 0:72) than at larger timescales (r D 0:97). The disagreement at the hourly timescale results in distinct diurnal cycles of simulated evaporation for each method. Although the methods agree more at larger timescales (i.e. yearly and 10-yearly), there are still large differences in the projected evaporation trends, showing a positive trend to a more (i.e. Penman, De Bruin-Keijman, Makkink, and Hargreaves) or lesser extent (i.e. Granger-Hedstrom and FLake). The resulting discrepancy between the methods in simulated water losses of the Lake IJssel region due to evaporation ranges from-4 mm (Granger-Hedstrom) to-94 mm (Penman) between the methods. This difference emphasizes the importance and consequence of the evaporation method selection for water managers in their decision making. © 2020 Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162773
Appears in Collections:气候变化与战略

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作者单位: Jansen, F.A., Hydrology and Quantitative Water Management Group, Wageningen University, Wageningen, Netherlands; Teuling, A.J., Hydrology and Quantitative Water Management Group, Wageningen University, Wageningen, Netherlands

Recommended Citation:
Jansen F.A.,Teuling A.J.. Evaporation from a large lowland reservoir-(dis)agreement between evaporation models from hourly to decadal timescales[J]. Hydrology and Earth System Sciences,2020-01-01,24(3)
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