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四极化Radarsat-2数据对裸露地表土壤水分的反演 被引量:2

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摘要 利用四极化Radarsat-2雷达影像数据对裸露地表进行土壤水分的监测,首先选取裸露地表的经验散射模型,然后与四极化后向散射影像反演获得土壤含水量的模拟值,最后分析模拟值与实测值的相关性。结果表明,模拟值与实测值有着很好的相关性(r2=0.870 1),即研究者可以在任何气候条件下利用四极化Radarsat-2雷达数据进行大面积地表土壤含水量的监测。
出处 《江苏农业科学》 北大核心 2014年第5期250-252,共3页 Jiangsu Agricultural Sciences
基金 国家自然科学基金(编号:51169016)
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