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[1]Jibieke·Halikebayi,DING Jian-li,Xielizat·Habu.Analysis on Tempo-spatial Dynamic Change and Driving Factors on Soil Salinification in Arid Area[J].Research of Soil and Water Conservation,2011,18(04):112-116.

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Analysis on Tempo-spatial Dynamic Change and Driving Factors on Soil Salinification in Arid Area

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 04 Page number: 112-116 Column: Public date: 2011-08-20

Title:: Analysis on Tempo-spatial Dynamic Change and Driving Factors on Soil Salinification in Arid Area

Author(s):: Jibieke·Halikebayi^1,2, DING Jian-li^1,2, Xielizat·Habu^1,2; 1. College of Resource and Environment Sciences, Xinjiang University, Urumqi 830046, China;
2. Key Laboratory of Oasis Ecology Ministry of Education, Urumqi 830046, China

Keywords:: dynamic change; solidification; salinity index; causing analysis

CLC:: S155.2⁺93

DOI:: -

Abstract:: The soil is main conditions of human society as well as these activities. Soil salinification is one of the important types of soil degradation and deserted land. It is one of serious issues in the development of arid Area, which seriously affects the agricultural production and development. Study on soil moisture dynamic variation is the base for soil surveying system and development of estimation methods. How to deal with this issue is one of the most emergency problems to be settled. Therefore, the quality of maintenance of soil solidification work has become one of the most matters concerned around the world. This paper used the TM image acquired in September 25, 1989 and ETM image acquired in August 1, 2001, and calculated the reflectance of the third waveband and the fourth waveband. And then compute their salinity indices (salinity index, SI). And the soil salinity type was classified based on the combination all the waveband of the image and the salinity index image. The result suggested that in Wei-Gan River and Ku-Che river delta, non-salinity land had decreased, the slight-salinity land had increased by 3.37% per year, the middling-salinity land had decreased 1.96% per year, and the high-salinity land had decreased 1.09% per year;temporal and spatial variation of soil salinification is a very complex process and it is was caused by both natural factors and human factors, but the most correlated factors with soil salinification is the role of human factors. Through the statistical analysis, it indicated that we had achieved some achievement in governing soil salinification, but in order to cut the throat of soil salinity land in Wei-Gan River and Ku-Che river delta, we should take more time to do more work.

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