Evaluating validation strategies on the performance of soil property prediction from regional to continental spectral data

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成果类型：

期刊论文

作者：

Chen, Songchao;Xu, Hanyi;Xu, Dongyun;Ji, Wenjun;Li, Shuo;...

通讯作者：

Shi, Zhou(shizhou@zju.edu.cn)

作者机构：

[Wang, Nan; Xu, Hanyi; Shi, Zhou; Chen, Songchao; Zhou, Yin; Xu, Dongyun] Zhejiang Univ, Coll Environm & Resource Sci, Inst Appl Remote Sensing & Informat Technol, Hangzhou 310058, Peoples R China.

[Chen, Songchao; Arrouays, Dominique] INRAE, Unite InfoSol, F-45075 Orleans, France.

[Ji, Wenjun] China Agr Univ, Coll Land Sci & Technol, Beijing 100085, Peoples R China.

[Li, Shuo] Cent China Normal Univ, Key Lab Geog Proc Anal & Simulat, Wuhan 430079, Peoples R China.

[Yang, Meihua] Yuzhang Normal Univ, Dept Environm Engn, Nanchang 330103, Jiangxi, Peoples R China.

通讯机构：

[Zhou Shi] I

Institute of Applied Remote Sensing and Information Technology, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China<&wdkj&>Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Hangzhou 310058, China

语种：

英文

关键词：

Calibration sampling;Clay;Model robustness;Proximal soil sensing;Soil organic carbon;Vis–NIR spectra

期刊：

Geoderma

ISSN：

0016-7061

年：

2021

卷：

400

页码：

115159

DOI：

10.1016/j.geoderma.2021.115159

基金类别：

The research is supported by National Key Research and Development Program of China (2018YFE0107000) and National Natural Science Foundation of China (U1901601). Dominique Arrouays is coordinator of the consortium GLADSOILMAP supported by the Loire Valley Institute for Advanced Studies through its LE STUDIUM Research Consortium Programme. The authors acknowledge the Joint Research Center of the European Union for sharing the LUCAS 2009 TOPSOIL data.

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：

Visible-near infrared (vis–NIR) spectroscopy has been widely used to characterize soil information from field to global scales. Before applying a calibrated spectral predictive model to acquire soil information, either independent validation or k-fold cross validation is used to evaluate model performance. However, there is no consensus on which validation strategy is more suitable and robust when evaluating model performance for the studies in different scales. The objective of this study is to evaluate and compare the model performance of tw...

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Evaluating validation strategies on the performance of soil property prediction from regional to continental spectral data

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