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CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA

SONG Xin-shan YAN Bai-xing DENG Wei ZHAI Jin-liang

SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. 中国地理科学, 2000, 10(4): 377-382.
引用本文: SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. 中国地理科学, 2000, 10(4): 377-382.
SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. Chinese Geographical Science, 2000, 10(4): 377-382.
Citation: SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. Chinese Geographical Science, 2000, 10(4): 377-382.

CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA

基金项目: Under the auspices of the Limnic Foundation of the Chinese Academy of Sciences(zkhz-2-3).
详细信息
    作者简介:

    SONG Xin-shan(1973- ),male, a native of Yexian County, Henan Province,Ph. D. candidate of Changchun Institute of Geography, CAS. His research interests mainly focus on evolvement of soil and water quality and regional water resources.

  • 中图分类号: P941.78;X142

CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA

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出版历程
  • 收稿日期:  2000-01-27
  • 刊出日期:  2000-12-20

CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA

    基金项目:  Under the auspices of the Limnic Foundation of the Chinese Academy of Sciences(zkhz-2-3).
    作者简介:

    SONG Xin-shan(1973- ),male, a native of Yexian County, Henan Province,Ph. D. candidate of Changchun Institute of Geography, CAS. His research interests mainly focus on evolvement of soil and water quality and regional water resources.

  • 中图分类号: P941.78;X142

摘要: In the western Songnen Plain in China, the alkalization degree of water bodies is high in the limnic wetlands. Generally, pH is above 8.0, and the hydrochemical types belong to HCO32--Na+ . Through analysis on the basic saline variables such as CO32-, HCO32-, Cl-, Ca2+, Mg2+, SO42-, Na+ etc. and the composed variables such as (Cl-+ SO42-)/ HCO32-and Na+ /(Ca2+ + Mg2+), the relationships between different variables were found, and the discriminant function and critical region map based on the pH value are obtained, and the function could be applied as one of the significant study methods on the investigation of saline-alkaline water-body. The relative analysis shows that the correlations are different among different salt variables, and some of them reaches significant level (α =0.01). Specially, in the western Songnen Plain, the lithofacies material of soil is mainly formed by the weathering of basalt and granite, and they are deposited inside the plain through running water transportation, so the NaAlO2, Na2SiO3 and NaHSiO3 in them can react with water and carbonate to form soda, which leads to the high correlations between Na+ and CO32-, HCO32-, Cl-, SO42-, and the correlation between Na+ and Na+ /(Ca2+ + Mg2+) is the highest. Moreover, because of high evaporation, the salts that are in the groundwater is congregated on the earth's surface, the dissoluble salts (Cl-,SO42-) turn into lake, which accounts for the reason for the high correlation between Cl-and SO42-.

English Abstract

SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. 中国地理科学, 2000, 10(4): 377-382.
引用本文: SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. 中国地理科学, 2000, 10(4): 377-382.
SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. Chinese Geographical Science, 2000, 10(4): 377-382.
Citation: SONG Xin-shan, YAN Bai-xing, DENG Wei, ZHAI Jin-liang. CHEMICAL CHARACTERISTICS OF WATER ENVIRONMENT IN LIMNIC WETLANDS IN THE WESTERN SONGNEN PLAIN, CHINA[J]. Chinese Geographical Science, 2000, 10(4): 377-382.

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