Estimating lead and zinc concentrations in peri-urban agricultural soils through reflectance spectroscopy: Effects of fractional-order derivative and random forest

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成果类型：

期刊论文

作者：

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

通讯作者：

Chen, Yiyun;Liu, Yanfang

作者机构：

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

[Hong, Yongsheng; Cheng, Hang; Chen, Yiyun; Liu, Yi] Chinese Acad Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China.

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

[Zhang, Yong] Anhui Univ Finance & Econ, Sch Publ Finance & Adm, Bengbu 233030, Peoples R China.

[Yu, Lei] Cent China Normal Univ, Sch Urban & Environm Sci, Wuhan 430079, Hubei, Peoples R China.

通讯机构：

[Chen, YY; Liu, YF] W

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

语种：

英文

关键词：

Estimation mechanism;Predictive model;Proximal soil sensing;Soil heavy metal;Spectral derivative

期刊：

Science of The Total Environment

ISSN：

0048-9697

年：

2019

卷：

651

期：

Pt 2

页码：

1969-1982

DOI：

10.1016/j.scitotenv.2018.09.391

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41771440, 41501444]

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：

Heavy metal contamination of peri-urban agricultural soil is detrimental to soil environmental quality and human health. A rapid assessment of soil pollution status is fundamental for soil remediation. Heavy metals can be monitored by visible and near-infrared spectroscopy coupled with chemometric models. First and second derivatives are two commonly used spectral preprocessing methods for resolving overlapping peaks. However, these methods may lose the detailed spectral information of heavy metals. Here, we proposed a fractional-order derivative (FOD) algorithm for preprocessing reflectance s...

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Estimating lead and zinc concentrations in peri-urban agricultural soils through reflectance spectroscopy: Effects of fractional-order derivative and random forest

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