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中国沙漠 ›› 2004, Vol. 24 ›› Issue (4): 442-447.

• 研究论文 • 上一篇    下一篇

额济纳三角洲土壤盐分特征分析

张小由, 龚家栋, 周茂先   

  1. 中国科学院 寒区旱区环境与工程研究所, 甘肃 兰州 730000
  • 收稿日期:2003-06-05 修回日期:2003-11-10 出版日期:2004-08-20 发布日期:2004-08-20
  • 作者简介:张小由(1963-),男(汉族),甘肃临洮人,研究员,在职博士生,主要从事旱区生态学研究。E-mail:zhangxy@ns.lzb.ac.cn
  • 基金资助:
    国家重点基础研究发展规划项目(G199904230601); 中国科学院知识创新工程项目(KZCX1-09-03)资助

Analysis on Characters of Soil Salinity in Ejin Delta

ZHANG Xiao-you, GONG Jia-dong, ZHOU Mao-xian   

  1. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000,China
  • Received:2003-06-05 Revised:2003-11-10 Online:2004-08-20 Published:2004-08-20

摘要: 根据42个土壤剖面, 225个土壤样品, 58个水样的分析结果, 讨论了额济纳三角洲地区土壤的基本特征, 并研究了土壤盐分分布规律以及与地形地貌部位、地下水水化学的关系。结果表明: 额济纳三角洲地区的土壤具有质地粗、含盐量高, 盐分表聚性强的特征; 在所有剖面上盐分的分布呈现漏斗型分布, 土壤中盐分随地形变化较为复杂, 但与地下水化学类型一致。

关键词: 额济纳三角洲, 土壤盐分特征

Abstract: According to the analysis result of 42 soil sections, 225 soil samples and 58 water samples, the soil characters in Ejin delta was discussed. Simultaneously, the soil salinity distributing features and its relationship with landform and groundwater chemistry were analyzed. It was concluded that the soil of Ejin delta has coarse texture, high salinity and even surface assembled. The salinity in all sections appeared infundibular distribution. Although the soil salinity varied complicated with terrains, it was consistent with groundwater chemistry type.

Key words: Ejin delta, soil salinity characters

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