| 阿拉善高原地下水的稳定同位素异常 |
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| 引用本文： | 顾慰祖.阿拉善高原地下水的稳定同位素异常[J].水科学进展,1998,9(4):333-337. |
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| 作者姓名： | 顾慰祖 |
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| 作者单位： | 1.德国下萨克森地质调查局; |
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| 基金项目： | 水利部科学基金;内蒙古自治区水利厅、德国科学基金;国际原子能机构资助项目 |
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| 摘 要： | 1987～1995年对降水、黑河水和古日乃草原地下水作了定位观测,在巴丹吉林沙漠水文探险中采集了沙漠和戈壁地下水及湖水.降水同位素组成δD～δ18O与Craig线相同,但发现了地下水的δD～δ18D关系平行于降水线且有氘盈余为负且达-22‰的异常,其成因不明.由地表、地下水环境同位素组成,分析了黑河治理规划实施后可能对地下水资源产生的工程影响,它近期不会成为古日乃草原沙漠化进程的因素,但对额济纳绿洲的影响却不容忽视.
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| 关 键 词： | 地下水 环境同位素 同位素水文学 干旱地区 内蒙古 黑河 |
| 收稿时间： | 1997-03-12 |
Isotopically Anomalous Groudwater of Alxa Plateau,Inner Mongolia |
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| Mebus A. Geyh,Gu Weizu,Liu Yong,He Xiang,Deng Jiyou,Qiao Maoyun.Isotopically Anomalous Groudwater of Alxa Plateau,Inner Mongolia[J].Advances in Water Science,1998,9(4):333-337. |
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| Authors: | Mebus A Geyh Gu Weizu Liu Yong He Xiang Deng Jiyou Qiao Maoyun |
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| Affiliation: | 1.Niederschsisches Landesamt fr Bodenforschung, Hannover, Germany;2.Nanjing Institute of Hydrology and Water Resources, Nanjing 210024;3.Water Resources Bureau of Alxa League, Alxa Zuoqi, Inner Mongolia 750306;4.Water Resources Bureau of Ejin Qi, Ejin Inner Mongolia 735400 |
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| Abstract: | In 1987～1995,precipitation,water from Black River,groundwater from Gurinai grassland and its vicinity were sampled positionally and periodically, groundwater and lake water from gobi and desert were sampled stochastically during the expedition into Badain Jaran Desert.Isotope composition of precipitation with its δD～δ18O fits the Craig Line while that of groundwater with anunusual deuterium excess of about -22‰ was found in this area.The formation of this isotopically anomal ous groundwater,however,is still not clear.The engineering impact of the planned Black River Project on groundwater is evaluated from comparing isotopic composition of waters.It seems unlikely that it would intensify the ongoing desertification of the Gurinai grassland area in the near future.But it seems to be important for the area by the Black River and,the Ejin Oases. |
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| Keywords: | groundwater environmental isotope isotope hydrology arid region Inner Mongolia Black River |
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