A seasonality of δD of water vapor (850-500 hPa) observed from space over Jeju Island, Korea

Jeonghoon Lee, John Worden, Dong Chan Koh, Kei Yoshimura, Jung Eun Lee

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11 Scopus citations

Abstract

We examined the seasonal variations of isotopic composition of water vapor in the lower troposphere (850-500 hPa) to relate those of precipitation and groundwater using satellite observations from the Aura Tropospheric Emission Spectrometer (TES) over the volcanic Island of Jeju, Korea. We ran an isotope-enabled general circulation model (IsoGSM) and calculated 120-hr reverse-calculated trajectories for air parcels corresponding to the TES observations to better understand the seasonal variations of δD of water vapor in the lower troposphere. δD of precipitation by previous studies and the model results show winter-enriched, while summer-enriched water vapor isotope is observed by the TES observations, which may require a validation campaign using in-situ measurements or continuous monitoring of water vapor isotopes around Jeju Island.

Original languageEnglish
Pages (from-to)87-95
Number of pages9
JournalGeosciences Journal
Volume17
Issue number1
DOIs
StatePublished - Mar 2013

Keywords

  • isotope
  • Jeju Island
  • seasonality
  • water vapor

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