Typhoon-enhanced upwelling and its influence on fishing activities in the southern East China Sea

Chang, Yi; Chan, Jui-Wen; Huang, Yuan-Chao Angelo; Lin, Wei‐De; Lee, Ming-An; Lee, Kuo-Tien; Liao, Cheng‐Hsin; Wang, Kae-Yih; Kuo, Yau‐Hwang

doi:10.1080/01431161.2014.958248

Cited by 20 publications

(18 citation statements)

References 23 publications

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“…In addition to the influence on SST and Chl‐a, typhoons are found to be important for increasing fish abundance and influencing fish species composition (Chang et al, 2014; Yu et al, 2013). Thus, a comprehensive study on the responses of the ocean surface to typhoonscan improve our understanding of marine ecosystems.…”

Section: Discussionmentioning

confidence: 99%

Composite of Typhoon‐Induced Sea Surface Temperature and Chlorophyll‐a Responses in the South China Sea

Wang

2020

JGR Oceans

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Sixteen years of data on typhoons in the South China Sea (SCS) are used to investigate their impacts on sea surface temperature (SST) and chlorophyll-a (Chl-a). The time series of SST and Chl-a before and after typhoons are composited for all typhoon locations to assess their responses. Decreases in SST and increases in Chl-a occur after 73% and 70% of the typhoons, respectively, with overall averaged changes equal to −0.42 ± 0.015°C and 0.056 ± 0.003 log 10 mg/m 3 , respectively. The largest responses are found near the typhoon center, and the extent of changes in these parameters decreases linearly with distance. The SST responds rapidly, starting to drop 2 days ahead of the typhoon passage and continuing to drop until 2 days after its passage. On the other hand, the Chl-a increases after the typhoon passage, remaining high for 5 days before beginning to return to the initial conditions. Large (weak) changes are associated with typhoons that have high (low) wind speeds and slow (fast) translation speeds. This is especially true for SST, whereas some typhoons with slow translation speeds are characterized by increases in Chl-a, mostly occurring near the coast. The largest SST and Chl-a changes induced by a single typhoon are found in the upwelling region off Vietnam. The study offers a comprehensive quantitative analysis that describes the general pattern of SST and Chl-a responses to typhoons in the SCS.

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Section: Discussionmentioning

confidence: 99%

Composite of Typhoon‐Induced Sea Surface Temperature and Chlorophyll‐a Responses in the South China Sea

Wang

2020

JGR Oceans

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“…This kind of typhoon‐induced bloom often appears along or to the right of the typhoon track a few days after the passage of the typhoon and lasts for 1–2 weeks at the surface layer or even more than 3 weeks in the subsurface layer [ Ye et al ., ]. Moreover, the ocean‐atmosphere interactions and fisheries data collected before and after the passage of several typhoons across the southern region of the ECS suggested that typhoons can enhance upwelling that results not only in increases of Chl a but also in changes of local fish communities and, consequently, fishing activities [ Chang et al ., ]. Typhoon‐induced upwelling can indeed stimulate efficient particulate organic carbon export out of the euphotic zone [ Shih et al ., ].…”

Section: Progress Of Upwelling Studies In the China Seasmentioning

confidence: 99%

Progress on upwelling studies in the China seas

Wang

2016

Reviews of Geophysics

212

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East Asian marginal seas surrounding China exhibit rich ocean upwelling, mostly in response to the southwesterly summer monsoon. Upwelling in the China seas, namely, the South China Sea, the Taiwan Strait, the East China Sea, the Yellow Sea, and the Bohai Sea, has become increasingly important because the potential changes in the upwelling may have dramatic ecosystem, socioeconomic, and climate impacts. This paper reviews the progress of upwelling studies in the China seas since the year 2000, by presenting the principal characteristics and new understanding of 12 major upwelling regions in the China seas. Upwelling exhibits long-term variability at intraseasonal to multidecadal scales as well as short-term variability frequently caused by tropical cyclones. It is also associated with the El Niño-Southern Oscillation, local environmental variation, and biogeochemical factors. The coastal upwelling around Hainan Island and the upwelling or cold dome northeast of Taiwan Island are specifically highlighted because they have attracted great interest for decades. This paper summarizes upwelling mechanisms in terms of wind, topography, tide, stratification, and background flow, with applications mostly to the China seas. Finally, we propose some topics for future upwelling research, i.e., potential intensification of coastal upwelling under global climate change, downwelling, intrusion of upwelling into coastal embayments, and the influence of upwelling on fishery and biogeochemical processes.

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“…It has been suggested that global warming may increase the frequency of strong typhoons (Emanuel 2005;Webster et al 2005), and consequently temperate, coastal communities would increasingly be exposed to such severe disturbances. However, only a few studies refer to the effects of typhoons on fishery activities in subtropical and temperate, coastal bays (Kawabata et al 2010;Yu et al 2013Yu et al , 2014Chang et al 2014). Additionally, as far as I knew, there is no information about the impact of a typhoon on changes in species composition obtained from purse seine fishing.…”

Section: Introductionmentioning

confidence: 99%

Short-term change in fish assemblages after the passage of a typhoon in a temperate, coastal bay

Yagi¹

2021

AIeP

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To study the effects of a typhoon on a temperate, coastal bay community, the species composition, catch amount, and diversity of epipelagic fish assemblages were investigated. Fish samples were taken from catches of a purse seine fishery in Tachibana Bay, Japan between May and July 2011, covering before and after the passage of a typhoon in the area. Although major changes in total catch amount were not observed before and after the passage of the typhoon, the abundance of the Japanese anchovy, Engraulis japonicus Temminck et Schlegel, 1846, markedly decreased and bycatch of species increased, accompanied by increasing levels of diversity of the fish assemblage. Multivariate analysis showed that community differences before and after the passage were quantitative rather than qualitative. Comparisons in total length frequencies between the two periods indicated that specimens of the species compared were bigger in size for Trachurus japonicus (Temminck et Schlegel, 1844) and smaller for E. japonicus in the “after” period. These results suggest that the passage of the typhoon triggered not only interspecific faunal change but also intraspecific recruitment shifts in and around the bay.

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Typhoon-enhanced upwelling and its influence on fishing activities in the southern East China Sea

Cited by 20 publications

References 23 publications

Composite of Typhoon‐Induced Sea Surface Temperature and Chlorophyll‐a Responses in the South China Sea

Composite of Typhoon‐Induced Sea Surface Temperature and Chlorophyll‐a Responses in the South China Sea

Progress on upwelling studies in the China seas

Short-term change in fish assemblages after the passage of a typhoon in a temperate, coastal bay

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