基于遥感技术的开都河下游绿洲区土壤盐渍化动态监测研究  

The Monitoring of Dynamic Changes of Soil Salinization in the Downstream Oasis of the Kaidu River Based on Remote Sensing Technology

作　　者：李会志[1] 李新国[1] 王影[1] 

机构地区：[1]新疆师范大学地理科学与旅游学院,乌鲁木齐830054

出　　处：《国土资源遥感》2010年第1期85-88,共4页Remote Sensing for Land & Resources

摘　　要：以3期遥感图像为数据源,经图像处理,并结合野外考察,建立解译标志进行遥感解译。结果表明,开都河下游绿洲区的盐渍化土地面积呈先增加后减少趋势,盐渍化程度呈先加重后减轻趋势;盐渍化土壤主要分布在开都河沿岸低洼地和博斯腾湖湖滨地区及其北岸清水沟、曲惠渠、乌什塔拉渠两岸附近;盐渍化的形成与研究区地形地貌、地下水以及干旱的气候条件密切相关,人类农业活动对盐渍化土壤形成具有重要作用。Three temporal remote sensing images were used as the main sources of information. The images were processed in combination with field investigation. The results show that soil salinization of the land area had increased from 1973 to 1990, and then declined from 1990 to 2005; the extent of land salinization had increased from 1973 to 1990,and then decreased from 1990 to 2005. Land salinization is distributed around the lowlying areas of the Kaidu River, lakesides and Qingshui Drainage, Quhui Drainage and Wushitala Drainage on the north of the Bosten Lake. The land salinization was closely related to topography, groundwater and arid climatic conditions. Human agricultural activities have also played an important role in soil salinization.

关 键 词：盐渍化 动态监测 遥感技术 绿洲 开都河下游 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]