Water Column Conditions in the Cambodian Water in November 2014
Abstract
The oceanographic data measured during a survey by RV Koyo Maru in the Cambodian water during 21 – 27 November 2014 were used to investigate water column conditions, their causes and results. The analyses showed that thermocline, halocline and pycnocline developed at the depths of about 40 – 55 m in the offshore area. Water stratification became more complex in nearshore region where the influence of local freshwater inputs and subsurface warm water intrusion were observed. The resulted stratification generated low dissolved oxygen in near bottom water almost throughout the study area. The situation of low dissolved oxygen became intense in nearshore area where surface salinity was very low due to local freshwater sources and subsurface warm water intrusion. Key words : water column conditions, the Cambodian water, the Gulf of ThailandReferences
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resources survey in the Cambodian water. (pp 33 - 46). SEAFDEC.
Buranapratheprat, A., Luadnakrob, P., Yanagi, T., Morimoto, A., & Qiao, F. (2016). The influences of the South
China Sea and monsoonal winds on water column conditions in the Gulf of Thailand. Continental Shelf Research, 118, 100-110.
Rizvi, A.R., & Singer, U. (2011). Cambodia Coastal Situation Analysis. Gland, Switzerland: IUCN. 55 pp.
Robinson, M. K. (1974). Scientific results of marine investigations of the South China Sea and the Gulf of
Thailand 1959-1961. In: Naga Report, Vol. 3. California: University of California, 125p.
Schlitzer, R. (2007). Ocean Data View. Retrived October 31, 2016, from http://odv.awi.de.
SEAFDEC. (1997). Proceedings of the First Technical Seminar on Marine Fishery Resources Survey in the
South China Sea, Area I: Gulf of Thailand and East Coast of Peninsular Malaysia. 24-26 November
1997, Bangkok, Thailand.
SEAFDEC. (2008). Report on Fisheries Resources Survey in the Cambodian Water. 18 - 26 November
2005, Bangkok, Thailand.
SEAFDEC. (2015). Collaborative Research Survey on Fisheries Resources and Marine Environment of the
Central Gulf of Thailand. 14 March-12 April 2013, Bangkok, Thailand.
Stansfield, K. & Garrett, C., (1997). Implications of the salt and heat budgets of the Gulf of Thailand. Journal of
Marine Research, 55, 935 – 963.
Yanagi, T, Sachoemar, S.I., Takao, T., & Fujiwara, S. (2001). Seasonal variation of stratification in the Gulf of
Thailand. Journal of Oceanography, 57, 461 – 470.
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Published
2017-02-09
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Research Article
