Unknown
Secretariat, Southeast Asian Fisheries Development Center
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Bangkok, Thailand
In:
http://aquaticcommons.org/id/eprint/26276
|
2002
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2019-02-21 01:10:25
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26276
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Southeast Asian Fisheries Development Center, Secretariat
Publication Date:
2021-07-24
Description:
A study on petroleum hydrocarbon concentrations in seawater from the South China Sea off the western coast of the Philippines was conducted during April to May 1998. The concentrations of dissolved/dispersed petroleum hydrocarbons (DDPH) in seawater samples were measured at 31 stations, using Ultraviolet Fluorescence (UVF) Spectroscopy technique. The DDPH concentrations were found to be in the range of 0.02 - 1.47 µg/l as chrysene equivalent, with an average of 0.25 µg/l. An attempt was made to compare between petroleum hydrocarbons in seawater samples from the near-shore area (8 stations) and the offshore area (23 stations). It was found that the DDPH concentrations of the near-shore stations were in the range of 0.03 - 0.47 µg/l, with an average of 0.12 µg/l, whereas the DDPH concentrations of the offshore stations were in the range of 0.02- 1.47 µg/l, with an average of 0.29 µg/l. However, the student’s t-test of the two data groups indicated that the two means were not significantly different at a = 0.05.
Keywords:
Environment
;
Pollution
;
Pollution monitoring
;
Marine pollution
;
Coastal waters
;
Petroleum hydrocarbons
;
South China Sea
;
Philippines
Repository Name:
AquaDocs
Type:
book_section
Format:
application/pdf
Format:
application/pdf
Format:
316-320
Format:
5
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