›› 1987, Vol. 7 ›› Issue (3): 240-247.

• 论文 • 上一篇    下一篇

云南元江热带稀树草原典型景观中重金属元素分布与形态研究

王旭, 章申   

  1. 中国科学院地理研究所
  • 出版日期:1987-07-30 发布日期:1987-07-30

A STUDY OF THE HEAVY METAL’S DISTRIBUTION AND SPECIATION IN THE SOIL OF YUANJIANG SAVANNA LANDSCAPE IN YUNNAN PROVINCE

Wang Xu, Chang Shen   

  1. Institute of Geography, Academia Sinica
  • Online:1987-07-30 Published:1987-07-30

摘要: 我国云南省的金沙江、元江等干热河谷地区,由于高温少雨,形成特殊的热带稀树草原(萨瓦那)景观.我们选择了元江县东北后山作为采样点,采集两个典型的热带稀树草原土壤剖面,研究其重金属元素的形态特征.

Abstract: The abundances of eight heavy metal elements in the soil in Yunnan Savanna are given in this study.Distribution and proportion of the six geochemical forms of each element are also provlded.After discussing the vertical distribution and the formation of the six geochemical forms of each element,the authors conclude that:1.Element migration in Savanna is still dominantly aqueous migration.2.A sulphide geochemical barrier is probably existing at the bottom of the reducing alluvium.3.Blological migration in Savanna is not strong.