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Necessity for Expansion of Total Phosphorus Management in the Geum River Watershed  

Park, Jae Hong (Water Pollution Load Management Research Division, National Institute of Environmental Research)
Lee, Jae Kwan (Water Pollution Load Management Research Division, National Institute of Environmental Research)
Oh, Seung Young (Water Pollution Load Management Research Division, National Institute of Environmental Research)
Rhew, Doug Hee (Water Environment Research Department, National Institute of Environmental Research)
Publication Information
Journal of Korean Society on Water Environment / v.29, no.3, 2013 , pp. 400-408 More about this Journal
Abstract
Total phosphorus was set as a target indicator to prevent eutrophication and algae growth, etc., in three major rivers (Nakdong River, Geum River and Yeongsang/Seomjin River) for the second phase (2011 ~ 2015) in total maximum daily loads (TMDLs) system. However, total phosphorus management was restrictively introduced, i.e., upstream of the Lake Daechung, in the Geum River watershed. Total phosphorus concentration and trophic levels in downstream of the Lake Daechung (include Mangyeong and Dongjin rivers) were increased more than upstream. Therefore, it is necessary to expand total phosphorus management in all watersheds of the Geum River. If total phosphorus was managed in all area of the Geum River watershed, it is possible to decrease total phosphorus concentration and trophic levels, and solve the unbalanced water quality between up and downstream of the Lake Daechung.
Keywords
Total phosphorus (T-P); Trophic state; Water quality target; Watershed management;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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