Introduction of Hydraulic Field Investigation Method to Utilize on the Inhabitation Environment Definition at a River

Lee, Hyun-Seok; Kim, Young-Sung; Lee, Geun-Sang; Seo, Jin-Won; Yang, Jae-Rheen; Kwon, Hyung-Joong

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자료유형: 학술저널

저자정보: Lee, Hyun-Seok (Korea Institute of Water and Environment, Korea Water Resources Corporation) Kim, Young-Sung (Korea Institute of Water and Environment, Korea Water Resources Corporation) Lee, Geun-Sang (Korea Institute of Water and Environment, Korea Water Resources Corporation) Seo, Jin-Won (Korea Institute of Water and Environment, Korea Water Resources Corporation) Yang, Jae-Rheen (Korea Institute of Water and Environment, Korea Water Resources Corporation) Kwon, Hyung-Joong (Department of Civil Engineering, Texas A&M University)

저널정보: 한국수생태학회 한국하천호수학회지 한국하천호수학회지 제41권 제4호

발행연도: 2008.1

수록면: 547 - 553 (7page)

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In recent years, attention on the inhabitation environments of animals and plants which coexist with humans is growing more and more, and relevant research is being activated. In habitats of rivers, a lot of factors are interacting, even among them, some elements especially such hydraulic factors as water velocity and water depth, and such geological shapes as gravels, sand and mud are being considered as primary elements. In this study, various field investigations are carried out to determine the relationship between the river habitats of fishes and hydraulic primary elements using high-tech equipments. Furthermore numerical experiments to classify such habitats according to topographical spaces are carried out. In detail, hydraulic field investigations performed in this study can be summarized as topographical survey, discharge measurement, water level fluctuation monitoring and so on. In numerical experiments, the RMA2 model of the commercial program, Surface-Water Modeling System (SMS), which is widely used in conducting a two-dimensional analysis of the flow behavior of a river is utilized. In conclusion, as a result of field investigation, the relationship between water velocity and water depth is obtained. And the relationship between water velocity and water temperature is identified, too. Finally, using above obtained results, the inhabitation environment was classified into Riffle, Glide, Run, Pool, and E.D.Z according to the relationship between water velocity and water depth.

#Inhabitation #Water Velocity #field investigation #topographical survey #RMA2

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