Evaluation of integrating topographic wetness index with backscattering coefficient of TerraSAR-X image for soil moisture estimation in a mountainous region
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- 作者：Shaogang Lei ; lsgang@126.com" class="auth_mail" title="E-mail the corresponding author ; Hequn Chen ; Zhengfu Bian ; Zhenguo Liu
- 关键词：Soil water content ; TerraSAR-X ; Topographic wetness index ; Backscattering coefficient
- 刊名：Ecological Indicators
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：61
- 期：part_P2
- 页码：624-633
- 全文大小：3152 K
文摘
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Mountainous terrain can disturb the empirical moisture estimation models.
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Integration of TWI into model can improve the estimation in mountainous region.
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The most reasonable penetration depth of the microwave X-band is verified at 5 cm.