Vertical water body effect of benzene hexachloride

Yang, Dongfang; Wang, Fengyou; He, Huozhong; Zhu, Shuijin; Wu, Yunjie

doi:10.2991/isci-15.2015.344

Cited by 47 publications

(60 citation statements)

References 5 publications

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“…(1) to Eq. (5)), the changes of As ' s contents in transferring processes in Jiaozhou Bay were quantified ( [4][5][6]). Furthermore, the block diagram models were demonstrating the horizontal and vertical changes of As' s contents visually.…”

Section: Horizontal and Vertical Changes Of Asmentioning

confidence: 99%

“…By means of the water exchange via the bay mouth, substance ' s contents in waters in Jiaozhou Bay were changing continuously ( [4][5][6], [10]). Supposed that certain substance's contents in surface and bottom waters in the bay are A and a, in the bay mouth are B and b, and in the open waters are C and c, respectively.…”

Section: Modelling For Horizontal Transferring Processes Of Asmentioning

confidence: 99%

“…Many marine bays have been polluted by As due to the rapid development of industrial economic and the increase of population size ( [3][4][5][6]). Understanding the transferring processes of As in marine bays is essential to pollution control.…”

Section: Introductionmentioning

confidence: 99%

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Modelling for Arsenic’s transferring process in Jiaozhou Bay

et al. 2018

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Abstract. This paper quantified the horizontal and vertical transferring processes of As in Jiaozhou Bay using investigation data in April and August 1988. Results showed that the horizontal absolute loss amounts of As contents in surface waters were 0.10-1.42 μg L -1 , and the horizontal relative loss amounts in surface waters were 7.04%-25.00%, respectively. The horizontal absolute loss amounts of As contents in bottom waters were 0.04-1.00 μg L -1 , and the horizontal relative loss amounts in bottom waters were 2.85%-41.66%, respectively. The vertical absolute dilution amounts of As contents were 0.02-0.28 μg L -1 , and the vertical relative dilution amounts were 1.78%-16.66%. The vertical absolute accumulation amounts of Pb contents were 0.10-0.86 μg L -1 , and the vertical relative accumulation amounts were 7.35%-35.83%. During the transferring processes through the bay mouth, no matter from the internal waters to the open water, or from the open waters to the internal waters, As contents in both surface and bottom layers were decreasing in a certain degree. The changes of As contents in surface and bottom waters were determined by the transferring distance of As in surface waters.

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Section: Horizontal and Vertical Changes Of Asmentioning

confidence: 99%

Section: Modelling For Horizontal Transferring Processes Of Asmentioning

confidence: 99%

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Modelling for Arsenic’s transferring process in Jiaozhou Bay

et al. 2018

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“…The vertical variation of Cd contents between surface and bottom waters were results of sedimentation and accumulation, which were determined by water's effect [16][17][18][19][20]. In order to defined the vertical variations, Cd contents in surface waters in each sampling sites in each month were subtracted by which in bottom waters, which were indicating that weather Cd in surface waters were higher or lower than in bottom waters.…”

Section: Vertical Variations Of CD Contents In Surface and Bottom Watmentioning

confidence: 99%

Quantification of Sedimentation and Accumulation of Cd in Jiaozhou Bay

Yang¹,

Zhang²,

Li³

et al. 2017

2017 4th International Materials, Machinery and Civil Engineering Conference (MATMCE 2017)

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Sedimentation and accumulation are important transporting processes of pollutants in marine bay, and the quantification of these processes are essential to pollution control. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. Based on investigation data on Cd during 1979-1983, this paper analyzed the vertical variations of Cd, and quantified the sedimentation and accumulation of Cd. Results showed that the absolute sedimentation amount and relative sedimentation amount of Cd were 0.23-3.23 μg L -1 and 79.2%-100.0%, respectively, while for absolute accumulation amount and relative accumulation amount were 0.08-1.97 μg L -1 and 75.4%-100.0%, respectively.

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“…However, the excessive existence of As in the environment is harmful to organism and ecosystem since As is high toxic [1]. The terrigenous As was discharged or washed to rivers and streams, and emitted to atmosphere, etc., and as a result many marine bays have been polluted by As since ocean is the sink of pollutants [3][4]. By means of vertical water's effect [5][6], the sedimentation process of As was strongly impacting the distributions of As.…”

Section: Introductionmentioning

confidence: 99%

Gravity Characteristic and Sedimentation of As in Jiaozhou Bay

Yang¹,

Zhang²,

Zhu³

et al. 2018

Proceedings of the 2018 6th International Conference on Machinery, Materials and Computing Technology (ICMMCT 2018)

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Using investigation data on As in Jiaozhou Bay in 1982, this paper analyzed the seasonal variation, vertical variations and horizontal distributions of As, and revealed the gravity characteristic and sedimentation of As. Results showed that As's contents in surface and bottom waters in July 1982 were 0.36-2.80 μg L -1 and 0.88-4.48 μg L -1 , respectively, while in October 1982 were 0.58-1.62 μg L -1 and 0.84-1.16 μg L -1 , respectively. The pollution of As in Jiaozhou Bay 1982 was very slight. For seasonal variation, As's contents in surface waters were in order of summer>autumn, while in bottom waters were also in order of summer>autumn. In case of As contents in surface waters were relative high/low, As contents in bottom waters were also relative high/low. That was the result of gravity characteristics. The variations of As contents in surface waters were mainly determined by the changes of source input of river runoff, while the variations of As contents in bottom water were mainly determined by vertical water's effect. The sedimentaion process of As could be summarized that As was transferred to surface waters in marine bay from river runoff, was absorbed or assimilated by suspended particular matters or marine organism, and then was transported to bottom waters, and was finally fixed in sediments in sea bottom.

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Vertical water body effect of benzene hexachloride

Cited by 47 publications

References 5 publications

Modelling for Arsenic’s transferring process in Jiaozhou Bay

Modelling for Arsenic’s transferring process in Jiaozhou Bay

Quantification of Sedimentation and Accumulation of Cd in Jiaozhou Bay

Gravity Characteristic and Sedimentation of As in Jiaozhou Bay

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