Environmental Engineering Research

  • 제22권1호
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  • Pages.87-94
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  • 2017
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  • 1226-1025(pISSN)
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  • 2005-968X(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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Effect of the climate change on groundwater recharging in Bangga watershed, Central Sulawesi, Indonesia

  • Sutapa, I Wayan (Faculty of Engineering, University of Tadulako, Palu, Central Sulawesi of Indonesia)
  • 투고 : 2015.11.06
  • 심사 : 2016.10.27
  • 발행 : 2017.03.31
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초록

This study was conducted to determine the effect of the climate change to the level of groundwater recharging. This research was conducted on the watershed of Bangga by using the Soil Water Balance of MockWyn-UB model. Input data compose of evapotranspiration, monthly rainfall, watershed area, canopy interception, heavy rain factor and the influence of climate change factors (rainfall and temperature). The conclusion of this study indicates that there is a decreasing trend in annual groundwater recharge observed from 1995 to 2011. The amount of groundwater recharge varied linearly with monthly rainfall and between 3% to 25% of the rainfall. This result implies that rain contributed more than groundwater recharge to runoff and evaporation and the groundwater recharge and Bangga River discharge depends largely on the rainfall. In order to increase the groundwater recharge in the study area, reforestation programmes should be intensified.

키워드

참고문헌

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피인용 문헌

  1. Analysis of Water Availability in Omu Watershed vol.331, pp.None, 2017, https://doi.org/10.1051/matecconf/202033104003
  2. Sensitivity of methods for estimating potential evapotranspiration to climate change vol.437, pp.None, 2017, https://doi.org/10.1088/1755-1315/437/1/012039