Cadmium concentration estimation in peri-urban agricultural soils: Using reflectance spectroscopy, soil auxiliary information, or a combination of both?

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成果类型：

期刊论文

作者：

Hong, Yongsheng;Shen, Ruili;Cheng, Hang;Chen, Songchao;Chen, Yiyun*;...

通讯作者：

Chen, Yiyun;Liu, Yaolin

作者机构：

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

[Shen, Ruili] Hubei Acad Environm Sci, Wuhan 430072, Hubei, Peoples R China.

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

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

[Chen, Yiyun] Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China.

通讯机构：

[Chen, YY; Liu, YL] W

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

语种：

英文

关键词：

Optimal band combination algorithm;Random forest;Soil auxiliary information;Soil Cd;Visible and near-infrared spectroscopy

期刊：

Geoderma

ISSN：

0016-7061

年：

2019

卷：

354

页码：

113875

DOI：

10.1016/j.geoderma.2019.07.033

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41771440]

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：

The regular monitoring of soil cadmium (Cd) in peri-urban agricultural soils is critical in maintaining soil security and balancing the local environment and ecosystem. Visible and near-infrared (Vis–NIR) spectroscopy provides an alternative to soil Cd estimation. Previous studies found a mild to moderate correlation of soil Cd against soil auxiliary information, including soil organic matter (SOM), Fe, and pH. This study aimed to determine whether the combination of spectral data and soil covariates would improve the model accuracy for soil C...

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Cadmium concentration estimation in peri-urban agricultural soils: Using reflectance spectroscopy, soil auxiliary information, or a combination of both?

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