VIRS based detection in combination with machine learning for mapping soil pollution

Jia, Xiyue; O’Connor, David; Shi, Zhou; Hou, Deyi

doi:10.1016/j.envpol.2020.115845

Cited by 61 publications

(16 citation statements)

References 113 publications

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“…The spatial distribution of heavy metal contamination renders high heterogeneity. , For large areas of soil pollution, it is advisable to delineate the level of contamination and design intervention strategies accordingly. When the Cd concentration increases, the cost of phytoextraction increases quickly due to the increased growing season required; in comparison, the cost of chemical stabilization increases more slowly.…”

Section: Resultsmentioning

confidence: 99%

Integrated Life Cycle Assessment for Sustainable Remediation of Contaminated Agricultural Soil in China

Jin

Wang

Song

et al. 2021

Environ. Sci. Technol.

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Agricultural land degradation is posing a serious threat to global food security. Restoration of the degraded land has traditionally been viewed as an inherently sustainable practice; however, restoration processes render consequential environmental impacts which could potentially exceed the benefit of restoration itself. In the present study, an integrated life cycle assessment analysis was conducted to evaluate life cycle primary, secondary, and tertiary impacts associated with the restoration of the contaminated agricultural land. The results demonstrated the importance of including spatially differentiated impacts associated with managing the land and growing crops. Comparing four risk management scenarios at a contaminated field in Southern China, it was found that the primary and secondary impacts followed the order of no action > chemical stabilization > phytoextraction > alternative planting. However, when tertiary impacts were taken into account, alternative planting rendered much higher footprint in comparison with phytoextraction and chemical stabilization, which provides evidence against an emerging notion held by some policy makers. Furthermore, assuming that the loss of the rice paddy field in Southern China is compensated by the deforested land in the Amazon rainforest, the total global environmental impact would far exceed that of no action, resulting in 687 ton CO 2 -e ha −1 of climate change impact. Overall, the present study provides new research findings to support more holistic policy making and also sheds lights on the future development of various restoration technologies.

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Section: Resultsmentioning

confidence: 99%

Integrated Life Cycle Assessment for Sustainable Remediation of Contaminated Agricultural Soil in China

Jin

Wang

Song

et al. 2021

Environ. Sci. Technol.

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“…In recent decades, with the rapid population growth, economic development, industrialization and urbanization, ecological environment is facing considerable pressure, such as the decline of vegetation coverage [1][2][3], soil pollution [4], air pollution [5,6], urban heat island effect [7,8], ecological environment damage and the reduction of animal and plant habitats [9,10]. A series of ecological environment changes have attracted wide attention from government and academic.…”

Section: Introductionmentioning

confidence: 99%

Integration of Multi-Source Remote Sensing Data for Spatial-Temporal Change Monitoring of Ecological Environment in the Yellow River Delta

Liu¹,

Yin²,

Liu³

2022

Pol. J. Environ. Stud.

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Rapid and timely evaluation of ecological environment change is of great significance to the sustainable development of the region. Owing to climate change and more anthropological intervention, ecological environment is deteriorating in the Yellow River Delta High-Efficiency Ecological Economic Zone (YRDHEEZ). To evaluate ecological environment change of the YRDHEEZ, a comprehensive evaluation index (CEI) was built in this investigation, which integrated vegetation cover (VC), land surface temperature (LST) and fine particulate matter (PM2.5) concentration. The experimental results demonstrated that significant regional differences existed in the ecological environment of the YRDHEEZ from 2000 to 2018. The ecological environmental changes in most districts and counties are complex and diverse. More specifically, regions with improvement, moderate improvement and the unchanged ecological environment accounted for more than 70 % of the study area, which suggested that the ecological environment has improved. In order to further verify the validity of the CEI, a field survey was performed, and it found that the result of field survey corresponded with the CEI evaluation, which demonstrated the potential of multi-source remote sensing data to quickly monitor the change of ecological environment quality in the YRDHEEZ.

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“…Commonly, the measurement of soil Cd concentration requires field sampling campaign, followed by laboratory chemical analysis. This approach faces challenges of being labor-intensive, time-consuming, environmentally unfriendly, and high expertise demanding, which do not allow meeting the needs for rapid measurement and high density sampling for soil Cd (Jia et al, 2021; J o u r n a l P r e -p r o o f 4 Lassalle et al, 2020;Meng et al, 2020;Tan et al, 2020). Proximal soil sensing techniques like visible-to-near-infrared (Vis-NIR) spectroscopy for estimating PTEs have attracted the attention of researchers, mainly because of the advantages of its less sample preparation and rapid characterization (Cheng et al, 2019;Gholizadeh et al, 2018;Lassalle et al, 2020;Ng et al, 2020;Sawut et al, 2018;Shi et al, 2014;Shi et al, 2017;Sun and Zhang, 2017;Todorova et al, 2014;Wang et al, 2018;Wang et al, 2014;Zhang et al, 2019b).…”

Section: Introductionmentioning

confidence: 99%

Diagnosis of cadmium contamination in urban and suburban soils using visible-to-near-infrared spectroscopy

Hong

Chen

Shen

et al. 2021

Environmental Pollution

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VIRS based detection in combination with machine learning for mapping soil pollution

Cited by 61 publications

References 113 publications

Integrated Life Cycle Assessment for Sustainable Remediation of Contaminated Agricultural Soil in China

Integrated Life Cycle Assessment for Sustainable Remediation of Contaminated Agricultural Soil in China

Integration of Multi-Source Remote Sensing Data for Spatial-Temporal Change Monitoring of Ecological Environment in the Yellow River Delta

Diagnosis of cadmium contamination in urban and suburban soils using visible-to-near-infrared spectroscopy

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