ENVIRONMENTAL HEALTH RISK ASSESSMENT MODEL OF AGRICULTURAL LAND BASED ON MONTE CARLO SIMULATION AND ITS APPLICATION

FANG Qing; XIAN Ping; MENG Zheng-cheng

doi:10.13205/j.hjgc.202102024

Volume 39 Issue 2

Jul. 2021

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FANG Qing, XIAN Ping, MENG Zheng-cheng. ENVIRONMENTAL HEALTH RISK ASSESSMENT MODEL OF AGRICULTURAL LAND BASED ON MONTE CARLO SIMULATION AND ITS APPLICATION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 147-152. doi: 10.13205/j.hjgc.202102024

Citation:

FANG Qing, XIAN Ping, MENG Zheng-cheng. ENVIRONMENTAL HEALTH RISK ASSESSMENT MODEL OF AGRICULTURAL LAND BASED ON MONTE CARLO SIMULATION AND ITS APPLICATION[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 147-152. doi: 10.13205/j.hjgc.202102024

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ENVIRONMENTAL HEALTH RISK ASSESSMENT MODEL OF AGRICULTURAL LAND BASED ON MONTE CARLO SIMULATION AND ITS APPLICATION

doi: 10.13205/j.hjgc.202102024

College of Resources, Environment and Materials, Guangxi University, Nanning 530004, China

Received Date: 2019-10-29
Available Online: 2021-07-19

Abstract

Abstract

In order to scientifically and reasonably assess the soil health risks of agricultural land, based on the environmental risk assessment system of the US Environmental Protection Agency, this paper established a soil health risk assessment model for agricultural land use in China. Monte Carlo simulations were also introduced to reduce the uncertainty of risk assessment results. The health risk assessment results of heavy metals in regional agricultural land soils showed that the total carcinogenic risk CR caused by the agricultural land obeyed a log-normal distribution, which was (2.898±2.425)×10^-4, and the total hazard index HQ obeyed a log-normal distribution, which was 15.775±13.797, the priority soil control pollutant was determined to be As, and the priority control exposure route was oral route. The model was applicable to the evaluation of human health risks by multiple pollutants in agricultural land, and could obtain key information such as priority control factors and priority control for exposure routes.
- agricultural land,
- health risk assessment,
- Monte Carlo simulation,
- heavy metal,
- arsenic

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References(26)

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