자원환경지질 (Economic and Environmental Geology)

  • 제40권4호
  • /
  • Pages.389-401
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  • 2007
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  • 1225-7281(pISSN)
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  • 2288-7962(eISSN)
대한자원환경지질학회 (The Korean Society of Economic and Environmental Geology)
권호 표지

유성 소유역의 강수 및 지열수의 산소.수소 안정동위원소 조성 변화

The Variation of Oxygen and Hydrogen Isotopic Composition in Precipitation and Geothermal Waters from the Yuseong Catchment

  • 문상호 (한국지질자원연구원 지하수지열연구부) ;
  • 조성현 (한국지질자원연구원 지하수지열연구부) ;
  • 이광식 (한국기초과학지원연구원) ;
  • 윤욱 (한국지질자원연구원 지하수지열연구부)
  • Moon, Sang-Ho (Groundwater and Geothermal Resources Division, Korea Intitute of Geoscience and Mineral Resources (KIGAM)) ;
  • Cho, Sung-Hyeon (Groundwater and Geothermal Resources Division, Korea Intitute of Geoscience and Mineral Resources (KIGAM)) ;
  • Lee, Kwang-Sik (Korea Basic Science Institute(KBSI)) ;
  • Yun, Uk (Groundwater and Geothermal Resources Division, Korea Intitute of Geoscience and Mineral Resources (KIGAM))
  • 발행 : 2007.08.28
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초록

2001년부터 2004년까지 유성 소유역내 강수, 지하수, 지열수의 산소 및 수소 동위원소 조성 변화를 검토하였다. 1975년부터 2006년까지의 강수 패턴을 분석한 결과, 연구지역은 $6{\sim}7$년의 가뭄 주기성을 보였다. 2001년도 가뭄 시기부터 2004년까지 4년간 강수의 산소 수소 동위원소 조성은 점차 무거운 성분으로 변화해가는 양상을 보였다. 연구 지역에서 4년간의 강수량을 고려한 동위원소의 가중 평균간을 구해 보면 ${\delta}^{18}O=-7.7%o,\;{\delta}D=-51%o$로서, 동일 기간 내의 지하수와 지열수의 동위원소보다 무거운 조성 범위를 보였다. 이는 연구 지역의 지수 및 지열수가 동위원소적 관점에서 2-3년 이내의 강수에 의해 큰 영향을 받지 않는 것을 의미한다. 기존 자료들을 검토해 볼 때, 연구지역에서의 지하수와 지열수는 1990년과 1992년이 가장 무거운 동위원소 조성을 보였으며 이후로는 산소 및 수소 동위원소 조성이 점차 가벼워지는 쪽으로 변화해가는 양상을 보였다.

The oxygen and hydrogen isotopic composition in precipitation, groundwater and geothermal water were monitored over four-year period from 2001 to 2004 at the Yuseong catchment, Daejeon. By analyzing the long term rainfall pattern, we found out the drought cycle of 6 or 7 year. We fortunately revealed that the oxygen and hydrogen isotopic composition of rain has progressively changed to heavier isotopic ratios from 2001 to 2004. The weighted mean values of ${\delta}^{18}O\;and\;{\delta}D$ of rain are calculated to be $-7.7%o\;and\;-51%o$, respectively. These isotopic values are much heavier than those of groundwater and geothermal water collected at the same period, which indicates that the rain or snow of the study area would not immediately affect the isotopic composition of groundwater or geothermal water. Comparing with the previous data, the groundwater and geothermal water collected at 1990 and 1992 year has the heaviest isotopic composition and afterwards their isotopic composition has been progressively shifted to the direction of lighter composition field.

키워드

참고문헌

  1. Clark, I. D. and Fritz, P. (1997) Environmental Isotopes in Hydrogeology. Lewis Publishers, New York, 328p
  2. Coleman, M. C., Sheperd, T. J., Durham, J. J. and Rouse, J. E. (1982) Reduction of water with zinc for hydrogen isotope analysis. Anal. Chem., v. 54, p. 993-995 https://doi.org/10.1021/ac00243a035
  3. Cortes, A. and Farvolden, R. N. (1989) Isotope studies of precipitation and groundwater in Sierra de las Cruces, Mexico. J. Hydrol. v. 107, p. 147-153 https://doi.org/10.1016/0022-1694(89)90055-3
  4. Craig, H. (1961) Isotopic variations in meteoric waters. Science, v. 133, p. 1702-1703 https://doi.org/10.1126/science.133.3465.1702
  5. Dansgaard, W. (1964) Stable isotopes in precipitation. Tellus, v. 16, p. 436-468 https://doi.org/10.1111/j.2153-3490.1964.tb00181.x
  6. DRMO(Daejeon Regional Meteorology Office) http://daejeon.kma.go.kr
  7. Epstein, S. and Mayeda, T.K. (1953) Variation of $^{18}O$ content of waters from natural sources. Geochim. Cosmochim. Acta, v. 4, p. 213-224 https://doi.org/10.1016/0016-7037(53)90051-9
  8. Gedzelman, S. D., Lawrence, J. R., White, J. W. C. and Smiley (1987) The isotopic composition of precipitation at Mohonk Lake, New York: the amount effect. J. Geophys. Res., 92, p. 1033-1040 https://doi.org/10.1029/JD092iD01p01033
  9. Jeong, J., Suh, M., Kim, K. and Hwang, H. (1997) Characterization on the geological structures and geothermal gradient distribution in the Yusong area. Jour. Eng. Geol., v. 7, n. 3, p. 173-189
  10. Kendall, C. and Coplen, T. B. (1985) Multisample conversion of water to hydrogen by zinc for stable isotope determination. Anal. Chem., v. 57, p. 1438-1440 https://doi.org/10.1021/ac00290a806
  11. Kim, G., Koh, Y.K., Kim, C. S., Bae, D. S. and Park, M. E. (2000) Geochemical studies of geothermal waters in Yusung geothermal area. Jour. Korean Soc. Groundwater Environ., v. 7, No. 1, p. 32-46
  12. Kim, K. H. and Nakai, N. (1988) Isotopic compositions of precipitations of precipitations and groundwaters in South Korea. Jour. Geol. Soc. Korea, v. 24, n. 1, p. 37-46
  13. Kumar, B., Athavale, R. N. and Sahay, K. S. N. (1982) Stable isotope geohydrology of the Lower Maner Basin, Andhra Pradesh, India. J. Hydrol. v. 59, p. 315-330 https://doi.org/10.1016/0022-1694(82)90094-4
  14. Lawrence, J. R., Gedzelman, S. D., White, J. W. C., Smiley, D. and Lazov, P. (1982) Storm trajectories in eastern US D/H isotopic composition of precipitation. Nature, 296, p. 638-640 https://doi.org/10.1038/296638a0
  15. Lawrence, J. R. and White, J. W. C. (1984) Growing season precipitation from D/H ratios of Eastern White Pine. Nature, 311, 558-560 https://doi.org/10.1038/311558a0
  16. Lawrence, J. R. and White, J. W. C. (1991) The elusive climate signal in the isotopic composition of precipitation. In: Taylor, H. P. Jr., O'Neil, J. R. and Kaplan, I. R. (eds.) Stable isotope geochemistry: A tribute to S. Epstein. p. 169-185
  17. Lee, K. S. and Chang B. U. (1994) Oxygen and hydrogen isotopic composition of precipitation in Taejeon and Seoul, Korea. Jour. Geol. Soc. Korea, v. 30, n. 5, p. 475-481
  18. Lee, K. S. and Lee, C. B., 1999, Oxygen and hydrogen isotopic composition of precipitation and river waters in South Korea. Jour. Geol. Soc. Korea, v. 35, n. 1, p. 73-84
  19. Lee, K. S., Woo, N. C. and Kim, K. (2001) Factors controlling stable isotope composition of precipitation in Northeast Asia. Jour. Geol. Soc. Korea, v. 37, n. 2, p. 183-192
  20. Martinelli, L. A., Victoria, R. L., Sternberg, L. S. L., Ribeiro, A. and Moreira, M. Z. (1996) Using stable isotopes to determine sources of evaporated water to the atmosphere in the Amazon basin. J. Hydrol., v. 183, p. 191-204 https://doi.org/10.1016/0022-1694(95)02974-5
  21. Moon, S. H., Ha, K., Cho, S., Koh, D., Kim, Y. and Kim, S. (2005) Report for estimating geothermal resources at the Yuseong Spa area. Yuseong-gu office and KIGAM's Report. 291p
  22. Moon, S. H., Ha, K., Kim, Y. and Cho, S. (2006) Characteristics of water levels and occurrences of thermal groundwater at the Yuseong spa area. Econ. Environ. Geol., v. 39, No.5, p. 537-554
  23. Peterson, B. C., Howarth, R. W. and Garritt, R. H. (1985) Multiple stable isotopes used to trace the flow of organic matter in estuarine food webs. Science, v. 227, p. 1361-1363 https://doi.org/10.1126/science.227.4692.1361
  24. Yapp, C. J. and Epstein, S. (1985) Seasonal contribution to the climatic variations recorded in tree ring D/H data. J. Geophys. Res., 89(D2), p. 3747-3752
  25. Yurtseverk, Y. and Gat, J. R. (1981) Atmospheric waters. In: Gat, J. R. and Gonfiantini, G. (eds.) Stable isotope hydrology: Deuterium and oxygen-18 in the water cycle, IAEA Technical Reports Series, n. 210, p. 103-142
  26. Yuseong-gu Office (1997) Report for estimating geothermal resources at the Yuseong Spa area. 445p