Estimation of actual evapotranspiration from an alluvial aquifer of the Kouris catchment (Cyprus) using continuous streamflow records

被引:28
作者
Boronina, A
Golubev, S
Balderer, W
机构
[1] ETH, Inst Geol, CH-8092 Zurich, Switzerland
[2] St Petersburg State Univ, Dept Geol, St Petersburg 198904, Russia
关键词
evapotranspiration; Cyprus; alluvium; streamflow observations; water balance;
D O I
10.1002/hyp.5871
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
The Kouris catchment is located in the south of the Troodos massif in Cyprus. The hydrology is driven by a Mediterranean climate, a mountainous topography, and a complex distribution of hydrogeological properties resulting from complex geology. To quantify the regional water balance further, a simple method using continuous streamflow records in the River Limnatis (Kouris catchment) was applied to calculate the actual evapotranspiration rate in the dry seasons. It was found that daily cycles of streamflow, recorded by automatic pressure logger, were caused by direct evaporation from the groundwater table and by transpiration of riparian forest. The daily amounts of 'missing' streamflow were calculated for the period 30 October-4 November 2001 and were extrapolated to the entire dry season and to the whole Kouris catchment. The actual evapotranspiration rate from the alluvial aquifer of the region is 2.4 +/- 0.5 Mm(3) for April-September 2001. The validity of the assumptions and the uncertainties in the estimates used in the method are discussed. Copyright (c) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码:4055 / 4068
页数:14
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