Climatic controls on the stable isotopic composition of precipitation in Northeast Asia

Kwang Sik Lee, Andrew J. Grundstein, David B. Wenner, Man Sik Choi, Nam Chil Woo, Dee Ha Lee

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Abstract

An examination of oxygen and hydrogen isotopic compositions of precipitation in NE Asia from the IAEA/WMO data set reveals that many sites have a distinct winter-summer seasonal pattern in deuterium excess (d-) values that appears to reflect different climatic conditions. To further understand this pattern, stable isotopic data were obtained for individual rainfall events over a 2 yr period at Jeju Island, Korea. The δ18O- and δD-values of precipitation at Jeju Island are not dependent upon temperature. However, the deuterium excess values, which range from 3.0 to 40.6‰, show a distinct seasonal variation with higher d-values in winter (>1̃5‰) and lower values in summer (1̃0‰). Such a seasonal variation is closely related to different air masses affecting the island during different seasons: a cold-dry continental polar air mass in winter and a hot-humid maritime tropical air mass in summer.

Original languageEnglish
Pages (from-to)137-148
Number of pages12
JournalClimate Research
Volume23
Issue number2
DOIs
Publication statusPublished - 2003 Jan 31

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Environmental Science(all)
  • Atmospheric Science

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    Lee, K. S., Grundstein, A. J., Wenner, D. B., Choi, M. S., Woo, N. C., & Lee, D. H. (2003). Climatic controls on the stable isotopic composition of precipitation in Northeast Asia. Climate Research, 23(2), 137-148. https://doi.org/10.3354/cr023137