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基于高光谱遥感的新疆北疆地区土壤砂粒含量反演研究/Soil sand content retrieving of bare soil in north Xinjiang based on hyper-spectral remote sensing[J]
Authors
CHEN Shu-jiang
LI Chun-lei
+8 more
XU Duan-yang
中国林业科学研究院森林生态环境与保护研究所,北京100091
中国科学技术信息研究所,北京10038
新疆师范大学地理科学与旅游学院,新疆乌鲁木齐,830054
新疆师范大学地理科学与旅游学院,新疆乌鲁木齐830054
李春蕾
许端阳
陈蜀江
Publication date
1 January 2012
Publisher
Abstract
土壤砂粒含量是表征土壤质量的重要指标,探索建立基于高光谱遥感的区域土壤砂粒含量反演方法对区域土壤质量监测具有重要意义.通过野外采集的高光谱数据与MODIS影像相结合,遴选出土壤砂粒含量的敏感波段与反演方程,进行干旱区裸地土壤砂粒含量遥感反演研究.结果表明:430 nm为土壤砂粒含量的敏感波段,原始光谱经变换后的数值与土壤砂粒含量的相关系数在430 nm处达到最大值0.76;基于MODIS第3波段中心波长460 nm处的土壤原始光谱的反演精度最高,达到89.30%,与实际情况吻合较好,表明MODIS第3波段可以应用于干旱区裸地土壤砂粒含量的遥感反演
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Last time updated on 29/11/2016