Journal of Food, Agriculture and Environment

Ecological risk assessment of water in petroleum exploitation area in Daqing oil field 

Author(s):

Kouqiang Zhang ¹, Xinqi Zheng ¹, Dongdong Liu ², Feng Wu ³, Xiangzheng Deng ^{3, 4}*

Recieved Date: 2012-04-12, Accepted Date: 2012-10-06

Abstract:

Ecological risk assessment (ERA) has been highly concerned due to the serious water environment pollution recently. With the development of socio-economic, preliminary ERA are placed in an increasingly important position and is the current focus and hot spot with great significance in terms of environment monitoring, ecological protection and conservation of biodiversity. Polycyclic aromatic hydrocarbons (PAHs) is a major ecological environment pollutant, especially in water pollutants. In this paper, we assessed the ecological risk of water in the petroleum exploitation area in Daqing oil field. The concentration of naphthalene in the water samples of study area is the basic data, and Hazard Quotient (HQ) is the major method for our assessment. According to the analysis of the amount of naphthalene, the ratio coefficient and the space distribution characteristic in the study area, and deducting quotient value of naphthalene hazard spatially with Spatial Extrapolation Toolkit, we used contour lines to complete the preliminary assessment study on aquatic ecological risk in the region. The aim of this paper is to simulate the spatial distribution of naphthalene in water in the study area and tell people where the ecological risk is high. The research result indicates that the ecological risk is low in the southwest and that is high in the north east of the Daqing oil field. The result could provide technical support and scientific reference for protecting and controlling the water environment for the local government in Daqing City. 

Keywords:

Water, petroleum exploitation area, naphthalene, ecological risk assessment

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 3&4
Category: Environment
Pages: 1555-1557

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