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SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN

ZHANG Ji-shi ZHANG Yong-qiu PU Rui-feng CHEN Ren-sheng CHENG Zhong-shan WANG Ming-quan

ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. 中国地理科学, 2005, 15(3): 238-244.
引用本文: ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. 中国地理科学, 2005, 15(3): 238-244.
ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. Chinese Geographical Science, 2005, 15(3): 238-244.
Citation: ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. Chinese Geographical Science, 2005, 15(3): 238-244.

SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN

基金项目: Under the auspices of the National Natural Science Foundation of China (No.40235053) and Lanzhou Jiaotong Uni-versity "Qinglan" Foundation
详细信息
    作者简介:

    ZHANG Ji-shi(1963- ),male,a native of Tongwei of Gansu Province,senior engineer,specialized in waterre sources and climate change in Northwest China.E-mail:zjs1963@yahoo.com.cn;zhangjs@mail.lzjtu.cn.

  • 中图分类号: P641.8

SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN

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出版历程
  • 收稿日期:  2005-05-29
  • 刊出日期:  2005-09-20

SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN

    基金项目:  Under the auspices of the National Natural Science Foundation of China (No.40235053) and Lanzhou Jiaotong Uni-versity "Qinglan" Foundation
    作者简介:

    ZHANG Ji-shi(1963- ),male,a native of Tongwei of Gansu Province,senior engineer,specialized in waterre sources and climate change in Northwest China.E-mail:zjs1963@yahoo.com.cn;zhangjs@mail.lzjtu.cn.

  • 中图分类号: P641.8

摘要: The research on the present situation of soil and water development and utilization in Shiyang River Basin shows that water resources and eco-environment situation in this area are near the edge of collapse. Since the water crises occurred in the 1970s, problems caused by continuous decrease of water resources have been becoming serious year by year and eco-environment crisis occurred as a consequence. Up to now, 10 380ha of irrigated lands have been abandoned due to sand coverage and water shortage in the basin. Ground water was over exploded in Wuwei and Minqin because of water shortage. Ground water table in many places dropped under 5m (which is the ecology water table level), thus about 3000ha of Elaeagnus angustifolia forest come to dead and another 5800ha become feeble, and wind-drift sand near the oasis become alive. According to the current situation, if water utilization scope was not enlarged, a water transfer volume of 600×106m3/a from other areas will be suitable to keep water resources and eco-environment safety in the basin, and also 70×106m3/a will be left as spare water. Under this condition the water resources and eco-environment of the basin can reach the critical safety line of 2.032×109m3/a; or if 180×106m3 of water can be transferred from other areas, the water resources can reach the safety warning line of 1.732×109m3/a.

English Abstract

ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. 中国地理科学, 2005, 15(3): 238-244.
引用本文: ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. 中国地理科学, 2005, 15(3): 238-244.
ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. Chinese Geographical Science, 2005, 15(3): 238-244.
Citation: ZHANG Ji-shi, ZHANG Yong-qiu, PU Rui-feng, CHEN Ren-sheng, CHENG Zhong-shan, WANG Ming-quan. SAFETY ANALYSIS OF WATER RESOURCES AND ECO-ENVIRONMENT IN SHIYANG RIVER BASIN[J]. Chinese Geographical Science, 2005, 15(3): 238-244.

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