The Spatial Distribution Characteristics of BOD₅ and the Biodegradability of Seawater in Coastal Areas of Leizhou Peninsula, China in Summer

Abstract:

According to the environmental survey in coastal areas of Leizhou Peninsula in July 2010, the content and the spatial distribution of five days biochemical oxygen demand (BOD5) were studied. The ratio of BOD5/TOC was applied to evaluate the biodegradability of seawater. The BOD5 in surface seawater ranged from 0.75 mg/L to 4.66 mg/L, with an average of 1.97 mg/L, however, in bottom seawater, the BOD5 varied from 0.09 mg/L to 6.22 mg/L, with an average of 2.16 mg/L. The BOD5 was in line with the second grade of national seawater quality standard of China at most stations. The BOD5 in coastal areas of west Guangdong was significantly different from that of Qiongzhou straits and Beibu Gulf (p<0.01), the highest BOD5 was revealed in the west Guangdong, followed by in Qiongzhou straits and in Beibu Gulf. The biodegradability in bottom seawater was better than that in surface.

• Periodical: Applied Mechanics and Materials (Volumes 316-317)
• Pages: 231-235
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.316-317.231
• Online since: April 2013
• Authors: Qun Xie, Chun Liang Chen, Min Hua Wu
• Keywords: Biodegradability, Five Days Biochemical Oxygen Demand (BOD5), Leizhou Peninsula, Total Organic Carbon (TOC)

References

[1] P.R. Kannel, S.Lee, Y.S. Lee, Assessment of spatial–temporal patterns of surface and ground water qualities and factors influencing management strategy of groundwater system in an urban river corridor of Nepal, Journal of Environmental Management, 86(2008), 595-604.

DOI: 10.1016/j.jenvman.2006.12.021

[2] A.K. Gupta, S.K. Gupta, R.S. Patil, Statistical analyses of coastal water quality for a port and harbour region in India, Environmental Monitoring and Assessment, 102(2005), 179-200.

DOI: 10.1007/s10661-005-6021-7

[3] H.Ogawa, Y.Amagai, I.Koike, K.Kaiser, R.Benner, Production of refractory dissolved organic matter by bacteria, Science, 292(5518) (2001), 917-920.

DOI: 10.1126/science.1057627

[4] F.X. Simon, Y.Penrua, A.R. Guastalli, J.Lorensa, S.Baig, Improvement of the analysis of the biochemical oxygen demand (BOD) of Mediterranean seawater by seeding control, Talanta, 85(2011), 527-532.

DOI: 10.1016/j.talanta.2011.04.032

[5] Y.Zhong, L.M. Huang, X.P. Huang, D.J. Qiu, X.Y. Song, H.X. Liu, Distribution of autotrophic picoplankton and its effect factors in the waters around Leizhou Peninsula in summer and winte, ACTA ECOLOGICA SINICA, 26(6) (2009), 3000-3008.

[6] H.Pathak and S. N.Limaye, Interdependency between physicochemical water pollution indicatiors: A case study of river Babus, Sagar, M.P., India, Analele UniversităŃii din Oradea-Seria Geografie, 21(2011), 23-29.

[7] T.S. Sim, W.J.Ng, S. L.Ong, K.Y.Ng, M.Ramasamy, K.N. Tan, Potential application of biophysical interrelationships for faster evaluation of sequencing batch reactor effluent quality, Environmental toxicology and water quality, 9(1994), 25-31.

DOI: 10.1002/tox.2530090105

[8] D.Gariépy, M.Turgeon, TOC and BOD5 correlations for biodegradable organic matter in pulp & paper industry. TAPPI Environmental Conference. (2002)