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http://dx.doi.org/10.3741/JKWRA.2012.45.10.1051

Change of Groundwater-Streamflow Interaction according to Groundwater ion in a Green House Land  

Kim, Nam Won (Water Resources Research Division, Water Resources & Environment Research Department, Korea Institute of Construction Technology)
Lee, Jeong Woo (Water Resources Research Division, Water Resources & Environment Research Department, Korea Institute of Construction Technology)
Chung, Il Moon (Water Resources Research Division, Water Resources & Environment Research Department, Korea Institute of Construction Technology)
Kim, Chang Hwan (Han River Flood Control Office)
Publication Information
Journal of Korea Water Resources Association / v.45, no.10, 2012 , pp. 1051-1067 More about this Journal
Abstract
Increased use of water curtain facilities to keep green house warm during winter cultivation has been known to cause excessive groundwater ion which might lead to decline of groundwater level, resulting in streamflow depletion. Therefore it is required to quantitatively assess the effects of groundwater ion on the streamflow depletion such as magnitude and extent. The objective of this study is to assess the change of stream-aquifer interaction according to groundwater ion near stream. To this end, a green house cultivation land in Sooha-ri, Sindun-myun, Icheon-si, Gyonggi-do was selected as a field experimental site, and monitoring wells were established near and within stream to observe the water level and temperature changes over a long period of time. From the observed water level and temperature data, it was found that the river reach of interest changed to a losing stream pattern during the winter cultivation season due to groundwater level decline around pumping wells near the stream. The continuous exchange rates between stream and aquifer were estimated by plugging the observed water level data series into the experimental relation between head difference and exchange rate, showing the streamflow depletion by 16% of the groundwater pumping rate in Feb, 2011.
Keywords
groundwater abstraction; green house; water curtain facility; groundwater-streamflow interaction; streamflow depletion;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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