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Volume 14 Issue 1
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MA Xing-wang, LI Bao-guo, WU Chun-rong, PENG Hong-jia, GUO You-zhen. Predicting of temporal-spatial change of groundwater table resulted from current land use in Minqin oasis[J]. Advances in Water Science, 2003, 14(1): 85-90.
Citation: MA Xing-wang, LI Bao-guo, WU Chun-rong, PENG Hong-jia, GUO You-zhen. Predicting of temporal-spatial change of groundwater table resulted from current land use in Minqin oasis[J]. Advances in Water Science, 2003, 14(1): 85-90.
shu

Predicting of temporal-spatial change of groundwater table resulted from current land use in Minqin oasis

  • 1.

    Laboratory for Plantsoil Interaction Processes, The Ministry of Education, Department of Soil and Water Sciences, China Agricultural University, Beijing 100094, China;

  • 2.

    Soil and Fertilizer Institute of Xinjiang Academy of Agricultural Sciences, Urumqi 830000, China;

  • 3.

    Gansu Desert Control and Research Institute, Wuwei 733000, China

Funds: The project is supported by National Natural Science Foundation of China (No.39990490)
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  • Received Date: November 04, 2001
  • Revised Date: April 18, 2002
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    • Abstract
  • The paper combines GIS and the FEFL.OW sofware,a special software modeling groundwater flow with finite element method,to rmdel groundwater flow affected by current land use in Minqin oasis,Gansu province,China.The results show that the current land use mode would result in rapidly descending of groundwater table in the oasis.There wauld be two groundwater funnels in the oasis in 2010,and the funnel centers would be located at center of the oasis,the groundwater table in funnel centers wauld be 47 to 52 m,and the groundwater in oasis wauld be table 9 to 34 m deeper than it in 1997.The analysis shows that if the current land use is kept,the groundwater would gradually be used up and sped up desertification in Minqin oasis in the condition of water amount fixedness or decreasing of upper reaches;on the other hand,if the crop cultivation structure is adjusted and the watersaving technologies are extended,the groundwater pumping amount would be decreased and the descending of groundwater table wauld be slowed.
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    • References (11)
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