Factors influencing the intensity of cross-front transport: An example from the offshore transport around the Shandong Peninsula, China

Xu, Xiaomei; Shi, Yong; Thompson, Charlie; Lyu, Jixuan; Zhang, Shuo; Liu, Shengjing; Yang, Guang; Liu, Tao; Gao, Jianhua

doi:10.1016/j.csr.2024.105201

Continental Shelf Research

2024

DOI: 10.1016/j.csr.2024.105201

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Factors influencing the intensity of cross-front transport: An example from the offshore transport around the Shandong Peninsula, China

Xiaomei Xu,

Yong Shi,

Charlie Thompson

et al.

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Cited by 2 publications

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Distribution and bi-directional transport of surface sediments driven by monsoons on the northwest continental shelf of the South China Sea

Wang,

Zhang,

Chen

et al. 2024

Geo-Mar Lett

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Distribution and bi-directional transport of surface sediments driven by monsoons on the northwest continental shelf of the South China Sea

Wang,

Zhang,

Chen

et al. 2024

Geo-Mar Lett

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Coupled Impact of Climate Change and Anthropogenic Activity on the Changes of Terrestrial Organic Carbon Accumulation in the River‐Dominated Coastal Margin

Jiang,

Hu,

Bai

et al. 2024

JGR Oceans

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River‐dominated marginal seas play a crucial role in the global carbon cycle. However, the centennial burial record of organic carbon (OC) remains unclear. In this study, we conducted a comprehensive analysis of bulk OC, its isotopic composition (δ13C and Δ14C), biomarkers (lignin and n‐alkanes), and sedimentological evolution based on sediment core from the Yellow River‐dominated Bohai Sea (BS). We also compiled several published OC burial records from other river‐dominated coastal margins. Our findings indicated that since the 1950s, the accumulation of terrestrial OC in central BS has shown a concurrent decline, as evidenced by a ∼50% decrease in terrigenous/aquatic ratio of n‐alkanes (TAR), which accompanied by a significant reduction in sediment load due to the watershed human activities. More intense erosion and resuspension due to stronger hydrodynamic condition under the increasing frequency of winter storms could account for the observed sediment coarsening and concomitant increase of the degraded lignin and old‐OC since the 1980s, suggesting that delta erosion‐induced sediment redistribution could influence the selective transport and accumulation of the more woody allochthonous OC components. The temporal profiles of lignin records indicated a spatial heterogeneity of recent terrestrial OC burial among the large river‐dominated coastal margins under the enhanced global delta erosion. Compared to the fluvial input‐dominated OC burial in the Yangtze River, Pearl River and Mississippi River delta margins, a more hydrodynamic forcing impact on the terrestrial OC burial was discerned in the BS due to the coupled effect of recent climate change and substantial decline in sediment load.

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Factors influencing the intensity of cross-front transport: An example from the offshore transport around the Shandong Peninsula, China

Cited by 2 publications

References 71 publications

Distribution and bi-directional transport of surface sediments driven by monsoons on the northwest continental shelf of the South China Sea

Distribution and bi-directional transport of surface sediments driven by monsoons on the northwest continental shelf of the South China Sea

Coupled Impact of Climate Change and Anthropogenic Activity on the Changes of Terrestrial Organic Carbon Accumulation in the River‐Dominated Coastal Margin

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