Groundwater Temperature Variation in the Zhangye Inland Basin of Northwest China
详细信息
- 责任者：Lian Yingli (Institute of Hydrogeology and Environmental Geology ; Chinese Academy of Geological Sciences ; Shijiazhuang 050061 ; China) ; Zhang Guanghui
- 刊名：Acta Geoscientica Sinica
- 出版年：2011
- 卷期：32(2)
- 关键词：地下水环境 ; groundwater environment ; 甘肃 ; Gansu Province
- 页码：p.195-203
- 图表：9 illus., 1 table, 20 refs.
- 分类号：1701
- issnNo：ISSN1006-3021
- isbnNo：CN11-3474/P
摘要
A study of groundwater temperature variation in Zhangye inland basin shows that the shallow groundwater and the confined groundwater decreased by 0.78℃ and 1.17℃, respectively in the study area from 1990 to 2009. The groundwater temperature of the basin plain was in inverse proportion to the air temperature and precipitation in the mountain area. 70%~90% of the basin plain groundwater recharge which is at low temperature comes from the upstream of Qilian Mountains, and therefore the variation degree of basin plain groundwater temperature indicates the quantity of the effective recharge that the groundwater obtains, and has indicative significance to certain extent.
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