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Safe Groundwater Level Estimation in Pingtung Plain, Taiwan by Yi-Lung Yeh; Ching-Yi Wu; Zhi-Mou Chen; Teng-Pao Chiu is a Environmental Science article available to read on EtoBox.

What is Safe Groundwater Level Estimation in Pingtung Plain, Taiwan about?

The groundwater resources in the Pingtung Plain are crucial water sources in southern Taiwan. However, they have been significantly impacted by climate change, resulting in changes in groundwater quality and quantity in the region. To effectively manage groundwater extraction, this study utilized runs theory to analyze the safe groundwater levels at six groundwater level observation stations located in the proximal fan, mid fan, and distal fan areas of the Pingtung Plain. The methodology involved dividing the range between the maximum and minimum groundwater levels at each station into 20 equal intervals. The groundwater levels were then sorted in ascending order, and the cumulative frequency percentiles of groundwater levels in each interval were calculated to determine the truncation levels for runs theory. Subsequently, the groundwater over-extraction duration and severity were computed. By comparing the results with the groundwater management levels set by the Water Resources Agency of the Ministry of Economic Affairs, it was found that the safe groundwater levels in the proximal fan and distal fan areas were the average of observation data plus 0.5 times the standard deviation

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Author

Yi-Lung Yeh; Ching-Yi Wu; Zhi-Mou Chen; Teng-Pao Chiu

Publisher

MDPI AG

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)