Sediment sources and East Asian monsoon intensity over the last 450 ky. Mineralogical and geochemical investigations on South China Sea sediments

Boulay, Sébastien; Colin, Christophe; Trentesaux, Alain; Frank, Norbert; Liu, Z.-F.

doi:10.1016/j.palaeo.2005.06.005

Cited by 139 publications

(155 citation statements)

References 57 publications

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“…More details of methods can be found in Wan et al (2010) and J. G. . Data of Taiwan, Luzon and Pearl River are recalculated from Z. F. Liu et al (2010), while data of Hanjiang River from Boulay et al (2005).…”

Section: Methodsmentioning

confidence: 99%

Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments

Liu

Yan

Chen

et al. 2012

Continental Shelf Research

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Section: Methodsmentioning

confidence: 99%

Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments

Liu

Yan

Chen

et al. 2012

Continental Shelf Research

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“…As a semi-enclosed basin in connection with the open ocean, it is able to record both global (glacial/interglacial oscillations) and local (monsoon) climatic changes. This marginal sea is fed by three of the biggest rivers in the world, in term of sediment load, Mekong River (160×10 (Boulay et al, 2005). Sediment input from these rivers have been shown to provide reliable data about the paleo environmental variations affecting the Southeast Asian continent (Wang et al, 1999;Wehausen and Brumsack, 2002;Kissel et al, 2003;Liu et al, 2003).…”

Section: Methodsmentioning

confidence: 99%

Heavy Metals Concentration in Surficial Sediments of Bidong Island, South China Sea off the East Coast of Peninsular Malaysia

Ong¹,

Joseph²,

Shazili³

et al. 2015

Asian J. of Earth Sciences

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The distribution, enrichment and accumulation of heavy metals in the surficial sediments of Bidong Island, South China Sea East Coast of peninsular Malaysia were investigated. dry weight), respectively. All metals studied have relatively low Enrichment Factor (EF) values and index of geo-accumulation (I geo ) in the study area. Overall, the geochemistry of the sediment of Bidong Island was influenced by both natural and anthropogenic inputs to the catchment. However, direct comparison with earth crust values and normalization to Al indicated that natural processes were more dominant than anthropogenic inputs in concentrating metals.Key words: Enrichment, accumulation, enrichment factor, index of geoaccumulation, anthropogenic INTRODUCTIONPollution by heavy metals in natural environments has become a global problem (Irabien and Velasco, 1999). It has been recognized for many years that the concentrations of metals found in coastal areas, whether they are in the dissolved or particulate phase may be derived from a variety of anthropogenic and natural sources (Burridge et al., 1999). Heavy metals are of considerable environmental concern due to their toxicity, wide range of sources, nonbiodegradable properties and accumulative behaviors. With the rapid industrialization and economic development in coastal regions, heavy metals are continuing to be introduced to estuarine and coastal environment through rivers, runoff and land-based point sources where metals are produced as a result of metal refinishing by-products. In most circumstances, the major part of the anthropogenic metal load in the sea and sea bed sediments and organisms has a terrestrial source from mining and intensive aquaculture and municipal wastewaters, untreated effluents, harbor activities, urban and agricultural runoff along major rivers and estuaries and bays (Dalman et al., 2006).When metals enter the marine environment, most of them will settle down and be incorporated into sediments together with organic matter, Fe/Mn oxides, sulfides and clay (Wang and Chen, 2000). Marine sediments act as scavengers for trace metals and often provide an excellent proof of

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“…In addition, P 2 O 5 , Ba, Zn and Co, related to oceanic productivity and organic matter burial (Wehausen and Brumsack, 2002;, exhibit distinct variations at glacial-interglacial scales ( Liu et al, 2003;Wei et al, 2004;Boulay et al, 2005). This indicates that Site 1145 sediments have not been altered by early diagenesis and thus can be utilized for paleoenvironmental reconstruction of climatic-driven processes in northern SCS.…”

Section: Major and Minor Elementsmentioning

confidence: 99%

“…For the SCS, these marine proxies include: (1) mineralogical and sedimentological indicators (e.g., lithogenic grain size, smectite/(illite+chlorite) ratio) that are used to address variation of the winter and summer monsoons at glacial-interglacial timescales (e.g., Wang et al, 1999;Boulay et al, 2005Boulay et al, , 2007Liu et al, 2003;Tamburini et al, 2003); (2) elemental ratios that are employed to reconstruct the history of chemical weathering as a function of summer monsoon precipitation (e.g., K/Si) and the monsoon-induced surface productivity (e.g., Ba/Al) (e.g., Wehausen and Brumsack, 2002;Wei G.J. et al, 2003Wei G.J.…”

Section: Introductionmentioning

confidence: 99%

Processes controlling the geochemical composition of the South China Sea sediments during the last climatic cycle

Sun

Clemens

et al. 2008

Chemical Geology

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Sediment sources and East Asian monsoon intensity over the last 450 ky. Mineralogical and geochemical investigations on South China Sea sediments

Cited by 139 publications

References 57 publications

Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments

Sediment sources and their contribution along northern coast of the South China Sea: Evidence from clay minerals of surface sediments

Heavy Metals Concentration in Surficial Sediments of Bidong Island, South China Sea off the East Coast of Peninsular Malaysia

Processes controlling the geochemical composition of the South China Sea sediments during the last climatic cycle

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