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Forecasting the Effect of Global Warming on the Water Temperature and Thermal Stratification in Daecheong Reservoir

지구온난화가 대청호 수온 및 성층구조에 미치는 영향예측

  • Cha, Yoon Cheol (Department of Environmental Engineering, Chungbuk National University) ;
  • Chung, Se Woong (Department of Environmental Engineering, Chungbuk National University) ;
  • Yoon, Sung Wan (Department of Environmental Engineering, Chungbuk National University)
  • Received : 2013.06.18
  • Accepted : 2013.07.12
  • Published : 2013.08.30

Abstract

According to previous studies, the increased air temperature can lead to change of thermal stratification structure of lakes and reservoirs. The changed thermal stratification may result in alteration of materials and energy flow. The objective of this study was to predict the effect of climate change on the water temperature and stratification structure of Daecheong Reservoir, located in Geum River basin of Korea, using a three-dimensional(3D) hydrodynamic model(ELCOM). A long-term(100 years) weather data set provided by the National Institute of Meteorological Research(NIMR) was used for forcing the 3D model. The model was applied to two different hydrological conditions, dry year(2001) and normal year(2004). It means that the effect of air temperature increase was only considered. Simulation results showed that the surface water temperature of the reservoir tend to increase in the future, and the establishment of thermal stratification can occur earlier and prolonged longer. As a result of heat flux analysis, the evaporative heat loss can increase in the future than now and before. However, the convective heat loss and net long wave radiation from water surface decreased due to increased air temperature.

Keywords

References

  1. 김윤희, 김범철, 최광순, 서동일, 2001, 2차원 수리 수질모델(CE-QUAL-W2)을 이용한 소양호 성층현상과 홍수기 밀도류 이동 현상의 모델링, 상하수도학회지, 15(1), 40-49.
  2. 국립기상연구소, 2007, 기후변화협약대응 지역기후시나리오 활용기술 개발(III).
  3. 권영아, 권원태, 부경온, 최영은, 2007, A1B 시나리오 자료를 이용한 우리나라 아열대 기후구 전망, 대한지리학회지, 42(3), 355-367.
  4. 이흥수, 정세웅, 정희영, 민병환 ,2010, 대청호 수류차단막 설치 위치에 따른 녹조제어 효과 분석, 수질보전 한국물환경학회지, 26(2), 231-242.
  5. 정세웅, 오정국, 박재호, 윤성완, 2005, CEQUAL-W2 모형의 수온 민감도분석 및 보정, 대한상하수도학회.한국물환경학회 2005공동 추계학술발표회 논문집, 50-60.
  6. 정세웅, 오정국, 2006, 대청호 상류 하천에서 강우시 하천 수온 변동 특성 및 예측 모형 개발, 한국수자원학회논문집, 39(1), 79-88. https://doi.org/10.3741/JKWRA.2006.39.1.079
  7. 정세웅, 이흥수, 최정규, 류인구, 2009, 3차원 ELCOM 모형을 이용한 대청호 수온성층 모의, 수질보전 한국물환경학회지, 25(6), 922-934.
  8. 한국수자원공사, 2007, 댐 운영 실무편람.
  9. Blenckner, T., Pettersson, K., Padisak, J., 2002, Lake plankton as tracer to discover climate signals, Verhandlungen Internationale Vereinigung Limnologie, 28, 1324-1327.
  10. De Stasio, B.T., Hill, D.K., Kleinhans, J.M., Nibbelink, N.P. Magnuson, J.J., 1996, Potential effects of global climate change on small, north-temperate lakes: Physics, fish, and plankton, Limnol. Oceanogr, 41(5), 1136-1149. https://doi.org/10.4319/lo.1996.41.5.1136
  11. Goedkoop, W., Johnson, R., 1996, Pelagicbenthic coupling: Profundal benthic community response to spring diatom deposition in mesotrophic Lake Erken, Limnology and oceanography, 41, 636-647. https://doi.org/10.4319/lo.1996.41.4.0636
  12. Hamilton, D.P., Spillman, C., Prescott, K.L., Kratz, T.K., Magnuson, J.J., 2002, Effects of atmospheric nutrient inputs on trophic status of Crystal Lake, Wisconsin, Verhandlung Internationale Vereingung de Limnologie, 28, 467-470.
  13. Hodges, B. R. and Dallimore, C., 2006, Estuary, Lake and Coastal Ocean Model: . Users Guide, Centre for Water Research, University of Western Australia technical Publication.
  14. Imberger, J. and Patterson, J. C., 1990, Physical Limnology. In Wu, T. (ed.), Advances in Applied Mechanics, 27, Boston, Academic Press, pp. 302-475.
  15. IPCC, 2007, Climate change 2007 : The Scientific Basis, IPCC Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge.
  16. Legutke, S., and Maire-Reimer, E. ,1999, Climatology of the HOPE-G global ocean general circulation model. Technical report No. 21, German Climate Computre Centre (DKRZ), Hamburg, Germany, 90.
  17. Leonard, B. P., 1979, A stable and accurate convective modelling procedure based on qudadratic upstream interpolation, Computer Methods in Applied Mechanics and Engineering, 19(1), 59-98. https://doi.org/10.1016/0045-7825(79)90034-3
  18. Leonard, B. P., 1991, the ULTIMATE conservative difference scheme applied to unsteady one-dimensional advection, Computer Methods in Applied Mechanics and Engineering, 88(1), 17-74. https://doi.org/10.1016/0045-7825(91)90232-U
  19. Martin, J. L., and McCutcheon, S. C., 1999, Hydrodynamics and transport for water quality modeling, Boca Raton, CRC Press, Inc.
  20. Roeckner, E., Arpe, K., Bengtsson, L., Christoph, M., Claussen, M., Dumenil, L., Esch, M., Girogetta, M., Schlese, U., and Schulzweide, U., 1996, The atmospheric generation circulation model ECHAM-4: model description and simulation of present-day climate. Max-Planck-Institute for Meteorology Report No. 218.
  21. Wetzel, R. G., 1983, Limnology, Philadelphia, PA., Saunders College Publishing
  22. Weyhenmeyer, G., Blenckner, T., Pettersson, T., 1999, Changes of the plankton spring outburst related to the North Atlantic Oscillation, Limnol. Oceanogr, 44, 1788-1792. https://doi.org/10.4319/lo.1999.44.7.1788

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