Geochemical compositions of river and shelf sediments in the Yellow Sea: Grain-size normalization and sediment provenance

Lim, Dhongil; Jung, Hahn Chul; Choi, Jinyong; Yang, Shouye; Ahn, Kun Sang

doi:10.1016/j.csr.2005.10.001

Cited by 104 publications

(29 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The adsorption capacity of clay to heavy metals was the strongest, followed by silt and sand in turn. This result was quite consistent with previous studies (Li et al 2002;Reddy et al 2004;Lim et al 2006). The finer the sediments were, the larger the potent specific surface would be, and could absorb more heavy metals.…”

Section: Sedimentation Type and Sedimentation Ratesupporting

confidence: 94%

Variation characteristics and ecological risk of heavy metals in the south Yellow Sea surface sediments

Zhu

Song

Zhang

et al. 2008

Environ Monit Assess

View full text Add to dashboard Cite

Eight cruises were conducted on the south Yellow Sea (SYS) from 1998 to 2005. Variations and the potential ecological risk of heavy metals were studied using the survey data collected during October 2003. The metal content (except for As) was high in the central area where the fine grain size sediments were dominant, and low inshore area where more coarse sediments were present. This suggested that grain size was important in determining distributions of heavy metals. In some local areas, other influencing factors, such as organic content, sedimentation rate, burial efficiency and metal's existing form were discussed. The annual averages of metals showed a stable trend with appreciable fluctuations in 8 years. Using potential ecological risk index (E (RI)) to evaluate the integrated pollution effect of heavy metals, 38.7% of the investigated area was in a moderate degree of contamination, while 77.8% was under moderate ecological risk. However, no distinct correlation was found between E (RI) and plankton biomass. In conclusion, the sediment quality of SYS was good, and the ecological risk was low in general.

show abstract

Section: Sedimentation Type and Sedimentation Ratesupporting

confidence: 94%

Variation characteristics and ecological risk of heavy metals in the south Yellow Sea surface sediments

Zhu

Song

Zhang

et al. 2008

Environ Monit Assess

View full text Add to dashboard Cite

show abstract

“…In this study, the contents of TOC in the sediments varied from 0.12% to 0.97% in the studying area. High contents of TOC (0.68-0.97%) presented in the central YS, where surface sediments were dominated by finegrained muds (Lim et al, 2006(Lim et al, , 2007. However, maximum TOC sedimentary flux was found in SBS and was estimated to be 660,000 ton/yr or 110 ton/km 2 /yr in average (the calculated area was 6000 km 2 ).…”

Section: Estimates Of Tom Vs Mommentioning

confidence: 94%

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Lin

Wang

Chen

et al. 2014

Marine Pollution Bulletin

View full text Add to dashboard Cite

a b s t r a c tThe region of Southern Bohai Sea (SBS) and Yellow Sea (YS) represents one of the best examples of large river-dominated ocean margins. The transport and accumulation of sediments played a primary role in distribution of the lipids in the region and could lead to a preferential accumulation of these more refractory land-based lipids. The spatial distribution of total organic carbon (TOC) matched with the lipid distributions over the shelf, and high TOC presented in the central YS, but TOC burial fluxes decreased from 110 ton/km 2 /yr of SBS to 25-32 ton/km 2 /yr of YS. Good correlations were observed between terrestrial n-alkanes and TOC in the sediments of SBS and northern YS, but they were poor for southern YS, meanwhile higher ratios of nC27 + nC29 + nC31/nC15 + nC17 + nC19 (12 ± 6) were observed in SBS, and lower in YS (2.2 ± 1.0), suggesting the Yellow River discharge was an important source of terrestrial organic matter to the shelf.

show abstract

“…Recognition of the source to sink transport pattern of the Changjiang sediments, therefore, allows us to better understand the above research topics. In recent years, sediment source discriminations of the Changjiang were performed primarily using elemental geochemical and clay mineralogical methods (Li et al, 1984;Yang, 1988;Qin et al, 1987;Yang et al, 2004;Yang et al, 2006;Lim et al, 2006), whereas heavy mineralogy of the Changjiang sediments has rarely been investigated, mainly due to the complicated river system and source rock types in the Changjiang drainage basins. Previous studies on heavy mineral assemblages of the Changjiang-derived sediments gave emphasis to the Changjiang estuarine and inner shelf area (Chen et al, 1980;Qin et al, 1987;Sun, 1990;Jin, 1992;Lu, 1992;Wang et al, 1997;Wang et al, 2007), and did not extend to the whole drainage system including the major tributaries of the Changjiang.…”

Section: Introductionmentioning

confidence: 99%

Heavy mineral compositions of the Changjiang (Yangtze River) sediments and their provenance-tracing implication

Yang

Wang

Guo

et al. 2009

Journal of Asian Earth Sciences

132

View full text Add to dashboard Cite

Geochemical compositions of river and shelf sediments in the Yellow Sea: Grain-size normalization and sediment provenance

Cited by 104 publications

References 26 publications

Variation characteristics and ecological risk of heavy metals in the south Yellow Sea surface sediments

Variation characteristics and ecological risk of heavy metals in the south Yellow Sea surface sediments

Sources and preservation of sedimentary organic matter in the Southern Bohai Sea and the Yellow Sea: Evidence from lipid biomarkers

Heavy mineral compositions of the Changjiang (Yangtze River) sediments and their provenance-tracing implication

Contact Info

Product

Resources

About