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- Title
Sustainable groundwater management in Kinmen Island.
- Authors
Chen-Wuing Liu; Chun-Nan Lin; Cheng-Shin Jang; Chan-Po Chen; Jen-Fu Chang; Chen-Chun Fan; Kuo-Hiang Lou
- Abstract
Kinmen county is located in the southwest of Fujen province, China. It comprises Kinmen, Leiyu and other small islands. Its total area is around 150 km². Kinmen is the largest island, and 95% of the population resides there. The average annual precipitation is 1072 mm. Rainfall is concentrated in a 5 month period from mid-April to mid-September. Water resources are limited relative to demand. Eastern Kinmen utilizes surface water, whereas western Kinmen uses groundwater. Moreover, the Kinmen sorghum liquor is brewed using the native groundwater in the west of the island. MODFLOW-96 was used to simulate the groundwater distribution and determine the annual amount of infiltration, pumping, and boundary inflow and outflow. Additionally, a groundwater management index was adopted to evaluate the status of groundwater level change, thus allowing local government officials to adjust the pumping scheme dynamically. To achieve a sustainable groundwater supply in Kinmen, an integrated groundwater extraction plan was proposed. This plan includes enhancing the infiltration by using treated wastewater from the east of the island, monitoring the groundwater level change, adjusting the groundwater pumping scheme, and constructing seawater desalination plants. If the hostile confrontation between Taiwan and mainland China is resolved, then the water supply through an undersea pipeline from Sharmen, China, to Kinmen can be another potential source of water for Kinmen in the future.
- Subjects
CHIN-ch'eng (Taiwan); TAIWAN; GROUNDWATER management; WATER table; HYDROGEOLOGY; SALINE water conversion; SOIL infiltration; WATER reuse
- Publication
Hydrological Processes, 2006, Vol 20, Issue 20, p4363
- ISSN
0885-6087
- Publication type
Article
- DOI
10.1002/hyp.6171