Analyzing groundwater change on a volcanic island caused by the impact of the M9 Sumatra earthquake

Jae Yeol Cheong, Se Yeong Hamm, Sang Hyun Kim, Soo Hyoung Lee, Nam Chil Woo, Gyoo Bum Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Changes in groundwater level have been recognized by the earthquakes at various epicentral distances. The M9 Sumatra earthquake resulted in changes in the groundwater level, electrical conductivity, and temperature in monitoring wells on Jeju Island, South Korea. In regions of different groundwater type (basal, lower parabasal, upper parabasal, and high-level groundwater), the changes in the groundwater levels at 25 monitoring wells ranged between 4.0 and 49.5 cm; changes in the electrical conductivity at six monitoring wells ranged between 1 and 27,975 μS/cm; and the changes in water temperature at three wells ranged between 0.02 and 1.37 °C. The irregular groundwater level changes at different locations on the island due to the earthquake reflect various interactions between hydrological properties and seismological processes. The impact of the earthquake was successfully recognized via transfer function modeling between the time series of groundwater level and the tidal oscillation. On the basis of the theoretical aquifer response to the earthquake, storage coefficient estimates for aquifers, which could not be determined from the single-well pumping tests, were determined to be within the range of 1.22·10-4-3.51·10-6.

Original languageEnglish
Pages (from-to)183-195
Number of pages13
JournalGeosciences Journal
Volume17
Issue number2
DOIs
Publication statusPublished - 2013 Jun 1

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volcanic island
earthquake
groundwater
well
electrical conductivity
monitoring
aquifer
transfer function
pumping
water temperature
oscillation
time series
modeling

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Cheong, Jae Yeol ; Hamm, Se Yeong ; Kim, Sang Hyun ; Lee, Soo Hyoung ; Woo, Nam Chil ; Kim, Gyoo Bum. / Analyzing groundwater change on a volcanic island caused by the impact of the M9 Sumatra earthquake. In: Geosciences Journal. 2013 ; Vol. 17, No. 2. pp. 183-195.
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Analyzing groundwater change on a volcanic island caused by the impact of the M9 Sumatra earthquake. / Cheong, Jae Yeol; Hamm, Se Yeong; Kim, Sang Hyun; Lee, Soo Hyoung; Woo, Nam Chil; Kim, Gyoo Bum.

In: Geosciences Journal, Vol. 17, No. 2, 01.06.2013, p. 183-195.

Research output: Contribution to journalArticle

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