Water Quality and Ecological Restoration. Bomchul Kim Department of Environmental Science Kangwon National University. Contents. Water quality issues in Korea Turbidity in streams and reservoirs Water quality survey project in Haean Control measures to improve water quality.
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Department of Environmental Science
Kangwon National University
Turbid water of the Soyang River on flood days that flows into Lake Soyang (July 15, 2006)
Increased rainstorm intensity
- Due to global warming ?
Two hot spots of turbid water discharge into Lake Soyang (July 15, 2006)
Reservoirs are filled with turbid water after monsoon.
Large dams prolongs the duration of turbid water in downstream.
Destroys aquatic ecosystems.
SAV is reduced.
Fisheries is reduced.Turbidity problem in reservoirs
▲ increasing trend
Result : change and reduction of fish and benthos community
No fish is living in the Haean basin
Table 3. The export loadings(kg․yr River.-1․km-2) in each watershed.
compared to other many studies
;even with intensive agriculture → good water quality
Is it possible?
Thank you River.