A Study on Water Chemical Elements of Robinia Pseudoacacia Water Protection Forest in Miyun Reservoir Watershed

LIU Shi hai; YU Xin xiao

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A Study on Water Chemical Elements of Robinia Pseudoacacia Water Protection Forest in Miyun Reservoir Watershed

- A Study on Water Chemical Elements of Robinia Pseudoacacia Water Protection Forest in Miyun Reservoir Watershed
- Bulletin of Soiland Water Conservation Vol. 19, Issue 5, Pages: 13-15(2000)
- 作者机构：
  
  北京林业大学水土保持学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
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- Published：2000
- 稿件说明：
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LIU Shi hai, YU Xin xiao. A Study on Water Chemical Elements of Robinia Pseudoacacia Water Protection Forest in Miyun Reservoir Watershed[J]. Bulletin of Soiland Water Conservation, 2000, 19(5): 13-15.
DOI：

LIU Shi hai, YU Xin xiao. A Study on Water Chemical Elements of Robinia Pseudoacacia Water Protection Forest in Miyun Reservoir Watershed[J]. Bulletin of Soiland Water Conservation, 2000, 19(5): 13-15. DOI：

摘要

研究了北京密云水库集水区人工刺槐水源保护林水化学性质

结果表明

不同月份大气降水化学元素含量不同

在观测时段内6月份化学元素含量最高

所测定元素加权平均值之和为12.001mg/L

各元素含量按大小排序为Ca>N>K>Mg>Na>P>Fe>Zn>Cu>Mn;大气降水经过林冠层后

林内穿透降水和树干茎流中各化学元素含量变化不一

但元素总含量增加

林内穿透降水化学元素含量之和为46.192 mg/ L

树干茎流为61.586 mg/L

分别高于大气降水 34.191mg/L和49.585 mg/L。

Abstract

The water chemical elements of Robinia pseud oacacia water protect ion forest in the Miyun reservoir watershed are studied. The results show that the precipitation contained the total chemical elements amount was 12.00 mg/Lin the mainly rainfall period

the highly sample arisen in the June. The consequence of water chemical elements contained as follows: Ca>N> K>Mg>Na>P>Fe>Zn>Cu>Mn. The chemical elements that throug h-fall and stem-flow contained was varied in different direction

but as the sumup of the variance quantity that the total contained amounts were increased as comparison with that of the precipitation. The total chemical elements contained of thr ough-fall

stem-flow was 46.192 m g/ L and 61.586mg/L

respectively

it is 34.191 mg/L and 49.585 mg/L higher than that of prcipitation

respectively.

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