Study of the Water Balance for Soil and Water Conservation in Forests West-north Shanxi Province

Yang Haijun

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Study of the Water Balance for Soil and Water Conservation in Forests West-north Shanxi Province

- Study of the Water Balance for Soil and Water Conservation in Forests West-north Shanxi Province
- Bulletin of Soiland Water Conservation Vol. 13, Issue 2, Pages: 26-31(1994)
- 作者机构：
  
  水利部松辽水利委员会北京林业大学水土保持学院
- 作者简介：
- 基金信息：
- DOI：
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- Published：1994
- 稿件说明：
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Yang Haijun. Study of the Water Balance for Soil and Water Conservation in Forests West-north Shanxi Province[J]. Bulletin of Soiland Water Conservation, 1994, 13(2): 26-31.
DOI：

Yang Haijun. Study of the Water Balance for Soil and Water Conservation in Forests West-north Shanxi Province[J]. Bulletin of Soiland Water Conservation, 1994, 13(2): 26-31. DOI：

摘要

该文采用对比流域的方法，定量地分析了水量平衡要素：降雨量、蒸发散量、截留量、径流量的分配规律及各要素之间的数量关系和植被条件对水量平衡要素的影响，在此基础上制定了流域水量平衡分配表。研究结果表明：到达水土保持林生态系统的降水主要分配在蒸发散量、林冠截留量、极少量的地表径流上，并得出为了充分发挥黄土区水土保持林的水源涵养作用，必须采用多种方法来抑制水土保持林的蒸发耗水，使更多的水分拦蓄在土壤─—转换层中这一结论，并为营造更新水土保持林提供了理论依据；

Abstract

With the help of comparison between watersheds

we analysed quantitatively the main element of water balance:distribution among rainfall

evapotraspiration

interception and volume of runoff，the quantitative relationship among the elements and the affect by forest condition;hence we worked out a list of water balance. The result is : the rainfall to the water and soil prevension forest is chiefly distributed in evapotraspiration

interception of the tree crowns and on a small quantity of surface rainfall. Also we have this result;in order to make full use of the function of water prevension of westnorth in Shanxi

we must adopt kinds of methods to prevent the evaporation loss of water in the water and soil prevension forest

and make more water stored in soil. At the same time we offered the theoretical basis for planting and renewing the water and soil prevension forest.

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