Intrusion of the Pearl River plume into the main channel of the Taiwan Strait in summer

Bai, Yan; Huang, Ting-Hsuan; He, Xianqiang; Wang, Shu Lun; Hsin, Yi-Chia; Wu, Chau Ron; Zhai, Weidong; Lui, Hon-Kit; Chen, Chen‐Tung Arthur

doi:10.1016/j.seares.2014.10.003

Cited by 62 publications

(35 citation statements)

References 51 publications

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“…1a; Table 1 Samples were collected close to the south of the Taiwan Strait, which is located in the northeastern part of the SCS, during the cruises in August 2003 (ORIII-896) and July 2004 (ORIII-983). ORI-695 was conducted near the Pearl River estuary and was influenced by the summer estuarine plume (Gan et al, 2009;Cao et al, 2011;Han et al, 2012;Zhai et al, 2013;Bai et al, 2015). The Pearl River (Zhujiang) is the 13th largest river in the world (Yin et al, 2004) and the second largest river in China (after the Yangtze River) with a water discharge of 326 Â 10 9 m 3 annually; it is also the second largest river (after the Mekong River) that enters the SCS (Chen et al, 2008).…”

Section: Sample Collectionsmentioning

confidence: 99%

Distributions and sea-to-air fluxes of nitrous oxide in the South China Sea and the West Philippines Sea

Tseng

Chen

Borges

et al. 2016

Deep Sea Research Part I: Oceanographic Research Papers

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Section: Sample Collectionsmentioning

confidence: 99%

Distributions and sea-to-air fluxes of nitrous oxide in the South China Sea and the West Philippines Sea

Tseng

Chen

Borges

et al. 2016

Deep Sea Research Part I: Oceanographic Research Papers

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“…The PRE is situated in the subtropical zone, and air temperature above the estuary does not change greatly. However, it is affected by the East Asian Monsoon by, for instance, receiving about 80% of its freshwater from nearby rivers during the wet season [15,17]. Ranked according to discharge, the Pearl River is the world's fourteenth largest and China's second largest river [18].…”

Section: Study Areamentioning

confidence: 99%

“…Conversely, non-monsoon rivers, such as the St. Lawrence River, Congo River, and Amurm River, were characterized by low POC concentrations but high POC(%TSM) (Figure 8a). Precipitation and river discharge from monsoon regions occur mainly in the wet season [17,33]. High intensity rainfall over monsoon regions in the wet season can lead to severe terrestrial erosion, resulting in an increase in TSM in rivers.…”

Section: Sources Of Poc In the Pearl River Estuarymentioning

confidence: 99%

“…In autumn and spring, phytoplankton contributed more to POC in off-shore waters than that in in-shore waters; however, phytoplankton contributed more to POC in in-shore waters than that in off-shore waters in winter. This phenomenon was likely the result of smaller riverine POC flux, together with smaller discharge, from the Pearl River in winter [15,17]. We assumed that phytoplankton communities were similar in regional PRE so as to calculate the contribution of phytoplankton to POC semi-quantitatively.…”

Section: Sources Of Poc In the Pearl River Estuarymentioning

confidence: 99%

“…About 80% of freshwater is discharged into the PRE during the wet season (April-September), and only 20% occurs during the dry season [17]. While freshwater brings terrestrial POC into the PRE [12,15], the additional transported nutrients can also trigger algal growth [35].…”

Section: Impact Factors On Poc Distribution In the Prementioning

confidence: 99%

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Remote Sensing Observation of Particulate Organic Carbon in the Pearl River Estuary

et al. 2015

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River estuaries are connectors of terrestrial and marine ecosystems. Riverine particulate organic carbon (POC) is discharged into oceans after a series of biogeochemical reactions in estuaries. Satellite monitoring of POC will improve our understanding of the carbon dynamics of these water bodies. Based on in situ data from four seasonal survey cruises, we developed an algorithm for estimating POC concentrations in the Pearl River Estuary (PRE). Reflectance ratios, Rrs(678)/Rrs(488) and Rrs(748)/Rrs(412), were set as inputs to calculate POC concentration in the PRE. The algorithm was then applied to MODIS/AQUA data to inverse POC concentrations in the PRE from 2002 to 2014. Additionally, sources, impact factors, and seasonal distributions of POC were also investigated. Phytoplankton contributed more to POC in off-shore waters than that in in-shore waters in autumn and spring, but showed the opposite pattern in winter. Under the influence of freshwater from the Pearl River, underwater topography, tides, winds, etc., the seasonal POC concentrations along a specific section, vertical to water depth gradient, decreased in different seasons. These decreases could be described by exponential functions (y = ae bx , b < 0). The distribution of POC concentrations in the PRE resulted from complex physical and biogeochemical processes, which can change spatially and seasonally.

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Development of upwelling on pathway and freshwater transport of Pearl River plume in northeastern South China Sea

2017

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In situ observations, satellite images, and numerical modeling results have shown that the Pearl River plume axis extends alongshore and passes through two separate upwelling regions—one off the Guangdong and Fujian coasts (the Yuedong upwelling) and the other in the Taiwan Bank during the initial and medium stages of the Yuedong upwelling, while it is directed offshore when the Yuedong upwelling is strong. Model experiments are conducted to examine the effects of wind strength and baroclinicity on the upwelling and the corresponding pathway and freshwater transport of the Pearl River plume. The baroclinic effect is important to intensifying the horizontal velocity at the upwelling front and freshwater transport in the northeastern South China Sea. The freshwater transport flux is further decomposed into advection, vertical shear, and tidal pumping components, and advection is the dominant contributor. As the Yuedong upwelling develops, the zone with a relatively high‐pressure gradient moves offshore due to offshore Ekman transport and the shift in the upwelling front, which is responsible for the offshore transport of the river plume. When the river plume is transported to the outer‐shelf, sometimes it can be further entrained into eddies, allowing its export to the open sea.

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Intrusion of the Pearl River plume into the main channel of the Taiwan Strait in summer

Cited by 62 publications

References 51 publications

Distributions and sea-to-air fluxes of nitrous oxide in the South China Sea and the West Philippines Sea

Distributions and sea-to-air fluxes of nitrous oxide in the South China Sea and the West Philippines Sea

Remote Sensing Observation of Particulate Organic Carbon in the Pearl River Estuary

Development of upwelling on pathway and freshwater transport of Pearl River plume in northeastern South China Sea

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