These results show that it is suitable to estimated sediment pollution by COD and AVS with trace metal ... We estimated sediment pollution by the analysis of COD and AVS. ... In these results of sediment COD and AVS show III level pollution in Mokpo inner bay, however Gwangyang
sediments, PCBs concentrations were higher in the sediments with higher mud content, indicating that ... The PCBs concentrations in surface sediments in this study were very low, compared with ER-L (effect ... In this paper, polychlorinated biphenyls (PCBs) were measured in surface sediments collected three times
Heavy metals in the surface seawaters and sediments were measured in Gaduk channel of jinhae Bay. ... Higher heavy metal contents in the surface sediments were observed at the stations adjacent to the Geojedo ... The contents of Co,Ni,Zn,Cu,As and Cd in the surface sediments showed relatively high correlation coefficients
The sediment consisted of finer sediment such as mud and clay, with 8.6-9.8Ø (9.3±0.3Ø) of mean grain ... and heavy metals (As, Cd, Cr, Cu, Fe, Hg, Mn, Pb, and Zn) in surface sediments collected at 15 stations ... sediment of Jaran Bay, we measured the grain size, total organic carbon (TOC), total nitrogen (TN),
to be above 1 in all sediment samples. ... samples were also analyzed 13 species of PAHs were detected at all of the surface sediments. ... This study was carried out to survey the contamination of PAHs in sediments around Gwangyang bay.
marsh with dredged sediment. ... herbacea), Mesocosm B (only dredged sediment), Mesocosm C(dredged sediment + Salicornia herbacea). ... Depending on the vegetation and substrate material of Mesocosm, Mesocosm A(tidal flat sediment + Salicornia
TP, MPN, sediment IL, ORP and plants on sediment. ... on sea water color and green plants growing on sediment in the artificial created swimming in the beach ... Improving exchange seawater flow, dredging, coating and chemical treatment of polluted sediments in addition
On the basis of results reported in this study, the biochemical composition of sediment organic matter ... We propose the trophic state classification for these groups using the biochemical composition of sediment ... using the characteristics and biochemical composition in the sediments can be available.
To verify the contamination, we collected sediments, seepage water and surface water for a year both ... However, it is difficult to sort out the exact sources of contamination in sediments and waters only ... This study found that sediments, containing high concentrations of heavy metals caused by mining activities
PAHs in colmn sediment samples were extracted in soxhlet extractor and were identified and quantified ... This study was carried out to survey the contamination of PAHs in the column sediments around Gwangyang ... that P/A ratio was generally above 10 and F/P ratio was above 1 in all sediment samples.
Metal contamination status in the sediments were also evaluated using the sediment quality guidelines ... sediment samples collected from 19 stations of Gamak Bay in April 2010. ... Our results suggest that the surface sediment in Gamak Bay is not polluted by metallic elements.
of suspended sediment for unit load and settling velocity by particle size, followed by a grid system ... Dispersion of suspended sediment, caused by coastal and marine development, is a key item in assessing ... This can improve the estimation and thus underlie coherent impact assessment of suspended sediment dispersion
The surface sediments were mainly composed of mud. ... the bay, indicating that the surface sediment is under oxidized condition. ... carbon(TOC), total nitrogen(TN), total sulfur(TS) and metallic elements, in surface sediment collected
Trace metals(As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Pb and Zn) concentrations in surface sediments of Jinhae ... grain size(Co, Cr and Fe), redox condition of sediments(Mn) and anthropogenic factors(As, Cd, Cu, Hg ... EF and Igeo values of As, Cd, Cu, Hg, Mn, Pb and Zn showed that these metals in sediments are enriched
Korea, surface sediment samples were collected at eleven stations around four major shipyards located ... In order to evaluate the pollution of heavy metals in offshore surface sediments around shipyards in ... TEL(Threshold Effects Level) 20.6 mg-Cu/kg of Korean marine environmental standards for offshore sediments
of fine sediment were deterministic in the fish habitat changes, causing problems in burying. ... As sand substrate structure is critical for the survival and inhabitation of psammophilous species, efficient ... In general, the species was shown to prefer a substrate size of 1 mm or less, depending on the flow.
The Mz of sediment showed a variation of 2.59 to 6.62Ø and sorting appeared to be poorly sorted. ... Our result implies that this study area showed good water quality and sediments were not polluted by ... On the environmental assessment of trace metals in surface sediment, geoaccumulation index (Igeo) class
The sediments were largely composed of clayey silt and silty clay. ... using sediment samples and acoustic images obtained from artificial reef areas in Tongyoung and Jangsungpo ... The acoustic images collected from chirp sonar and side scan sonar show well the attitude/orientation
sediment transport and quantitatively estimated the settling velocity of coastal sediment. ... For the field survey, we established two survey sites off the coasts of Jinu Island and Doyodeung, which ... At these sites, we measured the net surface elevation change of the bottom level at approximately 1-month