Exploring the potential of airborne hyperspectral image for estimating topsoil organic carbon: Effects of fractional-order derivative and optimal band combination algorithm

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成果类型：

期刊论文

作者：

Hong, Yongsheng;Guo, Long;Chen, Songchao;Linderman, Marc;Mouazen, Abdul M.;...

通讯作者：

Chen, Yiyun;Liu, Yaolin

作者机构：

[Hong, Yongsheng; Cheng, Hang; Chen, Yiyun; Liu, Yaolin; Liu, YL; Liu, Yi; Liu, Yanfang] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China.

[Hong, Yongsheng; Mouazen, Abdul M.] Univ Ghent, Dept Environm, Coupure Links 653, B-9000 Ghent, Belgium.

[Guo, Long] Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China.

[Chen, Songchao] INRA, Unite InfoSol, F-45075 Orleans, France.

[Chen, Songchao] INRA, UMR SAS, Agrocampus, F-35042 Rennes, France.

通讯机构：

[Chen, YY; Liu, YL] W

Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China.

语种：

英文

关键词：

Airborne hyperspectral image;Fractional-order derivative;Optimal band combination algorithm;Random forest;Soil organic carbon

期刊：

Geoderma

ISSN：

0016-7061

年：

2020

卷：

365

页码：

114228

DOI：

10.1016/j.geoderma.2020.114228

基金类别：

This work was supported by the National Natural Science Foundation of China (grant numbers: 41771440 ). Yongsheng Hong received the support of the China Scholarship Council for one years' of Ph.D. study in Department of Environment, Ghent University (under grant agreement no. 201906270092 ). Authors also acknowledge the financial support received from the Research Foundation - Flanders ( FWO ) for Odysseus I SiTeMan Project (Nr. G0F9216N ).

机构署名：

本校为其他机构

院系归属：

城市与环境科学学院

摘要：

Estimating soil organic carbon (SOC) in topsoil can help improve soil quality and food production. This study aimed to explore the potential of airborne hyperspectral image to estimate the SOC of bare topsoil at an agricultural site located in the southeast part of Iowa State, United States. To magnify the subtle spectral signals concerning SOC, and accelerate calibration and improve predictive ability, we developed a framework to combine two advanced spectral algorithms, namely, fractional-order derivative (FOD) and optimal band combination al...

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Exploring the potential of airborne hyperspectral image for estimating topsoil organic carbon: Effects of fractional-order derivative and optimal band combination algorithm

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