西北地区干旱化趋势及水盐失衡的生态环境效应

徐恒力; 周爱国; 肖国强; 支兵发; 叶含春

Volume 25 Issue 5

Sep. 2000

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Article Navigation > Earth Science > 2000 > 25(5): 499-504

XU Hengli, ZHOU Aiguo, XIAO Guoqiang, ZHI Bingfa, YE Hanchun, 2000. ARID TREND AND ECO-ENVIRONMENTAL EFFECT OF WATER-SALT IMBALANCE IN NORTHWEST CHINA. Earth Science, 25(5): 499-504.

Citation:

XU Hengli, ZHOU Aiguo, XIAO Guoqiang, ZHI Bingfa, YE Hanchun, 2000. ARID TREND AND ECO-ENVIRONMENTAL EFFECT OF WATER-SALT IMBALANCE IN NORTHWEST CHINA. Earth Science, 25(5): 499-504.

XU Hengli, ZHOU Aiguo, XIAO Guoqiang, ZHI Bingfa, YE Hanchun, 2000. ARID TREND AND ECO-ENVIRONMENTAL EFFECT OF WATER-SALT IMBALANCE IN NORTHWEST CHINA. Earth Science, 25(5): 499-504.

Citation:

XU Hengli, ZHOU Aiguo, XIAO Guoqiang, ZHI Bingfa, YE Hanchun, 2000. ARID TREND AND ECO-ENVIRONMENTAL EFFECT OF WATER-SALT IMBALANCE IN NORTHWEST CHINA. Earth Science, 25(5): 499-504.

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ARID TREND AND ECO-ENVIRONMENTAL EFFECT OF WATER-SALT IMBALANCE IN NORTHWEST CHINA

Faculty of Engineering, China University of Geosciences, Wuhan 430074, China

Received Date: 2000-05-16
Publish Date: 2000-09-25

Abstract

Abstract

In terms of the arid trend in the Northwest China, this paper deals with the system dynamic pattern of water transfer and salt accumulation in this closed inland basin and elucidates the basic cause for the corresponding imbalance between the supergene salt accumulation and water salt. In this context, the paper reveals the internal relations between the water salt distribution and the soil eco adaptability, presents the effect of the variation in the rhythm of water cycle on the spatial temporal distribution of the soil eco indices, and advances the great importance of the Great West Development by establishing the survival domains of various species and the soil eco indices in the Northwest China. In addition, this paper discusses the construction of the reservoir project and the selection of the irrigation techniques in this inland basin.
- climatic arid,
- water salt imbalance,
- eco environmental effect,
- eco adaptability,
- soil eco index

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References(15)

References

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