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http://dx.doi.org/10.3741/JKWRA.2020.53.7.521

Potential damage assessment of inland wetlands by topsoil erosion  

Kim, Seongwon (Department of Disaster Prevention KNU Emergency Management Institute)
Jeong, Anchul (International Water Resources Research Institute, Chungnam National University)
Lee, Daeeop (Department of Disaster Prevention KNU Emergency Management Institute)
Lee, Giha (Department of Construction and Disaster Prevention Engineering, Kyungpook National University)
Publication Information
Journal of Korea Water Resources Association / v.53, no.7, 2020 , pp. 521-531 More about this Journal
Abstract
The purpose of this study is to suggest a quantitative assessment of wetland damage considering the effects of topsoil erosion and deposition from rainfall. In the Cheoncheon Basin located upstream of the Yongdam Dam, 16 wetlands are located, but the lacustrine and small palustrine wetland were analyzed for possible damage to erosion and deposition. As a result of applying typhoon events in 2002 and 2003, the sediment load from the upper basin was the highest at 2.30% (22,548 ㎥) of low water capacity. The average sediment load in the mountain areas was found to be 0.03% of the low water capacity, and it was analyzed to be less damaging than the lacustrine with relatively large watershed. as a result of the model, the lacustrine wetland, where a large area is used as agricultural land, shows a high probability of sediment yield, so it is highly likely to damage the wetland by topsoil erosion.
Keywords
Topsoil erosion; Inland wetland; Damaged wetland; Yongdam dam basin;
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Times Cited By KSCI : 6  (Citation Analysis)
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