Climate-induced hydrological impacts on the groundwater system of the Pingtung Plain, Taiwan

Kuo-Chin Hsu, Chung Ho Wang, Kuan Chih Chen, Chien Tai Chen, Kai Wei Ma

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The Pingtung Plain is one of the most important groundwater-resource areas in southwestern Taiwan. The overexploitation of groundwater in the last two decades has led to serious deterioration in the quantity and quality of groundwater resources in this area. Furthermore, the manifestation of climate change tends to induce the instability of surface-water resources and strengthen the importance of the groundwater resources. Southwestern Taiwan in particular shows decreasing tendencies in both the annual amount of precipitation and annual precipitation days. To effectively manage the groundwater resources of the Pingtung Plain, a numerical modeling approach is adopted to investigate the response of the groundwater system to climate variability. A hydrogeological model is constructed based on the information from geology, hydrogeology, and geochemistry. Applying the linear regression model of precipitation to the next two decades, the modeling result shows that the lowering water level in the proximal fan raises an alarm regarding the decrease of available groundwater in the stress of climate change, and the enlargement of the low-groundwater-level area on the coast signals the deterioration of water quantity and quality in the future. Suitable strategies for water-resource management in response to hydrological impacts of future climatic change are imperative.

Original languageEnglish
Pages (from-to)903-913
Number of pages11
JournalHydrogeology Journal
Volume15
Issue number5
DOIs
Publication statusPublished - 2007 Aug 1

Fingerprint

groundwater resource
groundwater
climate
climate change
hydrogeology
modeling
water level
geochemistry
water resource
geology
surface water
plain
coast
water

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Earth and Planetary Sciences (miscellaneous)

Cite this

Hsu, Kuo-Chin ; Wang, Chung Ho ; Chen, Kuan Chih ; Chen, Chien Tai ; Ma, Kai Wei. / Climate-induced hydrological impacts on the groundwater system of the Pingtung Plain, Taiwan. In: Hydrogeology Journal. 2007 ; Vol. 15, No. 5. pp. 903-913.
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Climate-induced hydrological impacts on the groundwater system of the Pingtung Plain, Taiwan. / Hsu, Kuo-Chin; Wang, Chung Ho; Chen, Kuan Chih; Chen, Chien Tai; Ma, Kai Wei.

In: Hydrogeology Journal, Vol. 15, No. 5, 01.08.2007, p. 903-913.

Research output: Contribution to journalArticle

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