Research on ecological environment quality in the sea area near the second petrochemical sewage pipeline discharge outlet in Daya Bay

doi:10.3969/j.issn.1001-909X.2019.04.009

Abstract

Abstract: On December 8th and 15th, 2018, sampling survey was conducted in the sea area near the second petrochemical sewage pipeline discharge outlet in Daya Bay. Content of pollution factor in seawater and sediments in the sea area near the sewage outlet was analyzed and factors were evaluated by the single-factor pollution index method. The results indicate that the single factor indexes of pollutants causing eutrophication are low while the heavy metal pollution is serious in the seawater, mainly due to the high background value of heavy metal concentrations in the seawater of Daya Bay. All pollution factor indexes in sediments are low, and the main pollution factors of heavy metals are Cr, Pb and Zn. Since the second petrochemical sewage pipeline was put into use, the impact on the surrounding area is still within a small range.

Key words: Daya Bay, petrochemical areas, second sewage pipeline, marine ecological environment

CLC Number:

YANG Wen-chao, HUANG Dao-jian, CHEN Ji-xin, CHEN Xiao-yan, LIU Wang, WANG Yu-shan. Research on ecological environment quality in the sea area near the second petrochemical sewage pipeline discharge outlet in Daya Bay[J]. Journal of Marine Sciences, 2019, 37(4): 85-93.

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