Abstract
The geochemical characteristics of seawater and surface sediment represent the stability of seawater quality. There is a lack of information on geochemical characteristics of elements in seawater well as sediment in the sea area of Quang Binh province. The objective of this paper is to study and determine the characteristics of the marine environment through elemental geochemistry in seawater and surface sediments of Quang Binh area to assess the stability and quality of seawater in this area. The results show that seawater environment is characterized by a shallow sea with rare effect on continental water. The difference in salinity values, Eh, pH,...at different depth is indistinguishable. The sedimentary environment is weak alkaline, the environment from decontamination to strong oxidation. Cu and As elements distributed in sediments are mostly concentrated in the center of the study area.
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