Long-term changes of cross-shelf transports in the Yellow and East China Seas under different greenhouse gases emission scenarios

Hao, Jiajia; Yuan, Dongliang; Tian, Di; Su, Jian; Pohlmann, Thomas

doi:10.1007/s00382-021-06045-8

Cited by 5 publications

(7 citation statements)

References 63 publications

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“…The MPIOM has 40 uneven vertical levels with 9 levels above 104 m, including the major tidal components (Thomas et al., 2001) and river runoffs (Hagemann & Dümenil, 1998). The atmospheric model has about 55 km horizontal resolutions (approximately 0.5°), which is high enough to resolve the scale of the regional circulation and the monsoon over the ECS (Hao et al., 2022; Tian et al., 2019).…”

Section: Methodsmentioning

confidence: 99%

“…The simulations of coupled models had been validated in the studies of the cross‐shelf volume transports and heat budget response in the ECS to global warming, which show the monsoon and ocean circulation has been simulated well (Hao et al., 2022; Tian et al., 2019). Multiple data sets not assimilated by the BRAN are used to validate the BRAN reanalysis, including the Soil Moisture Active Passive (SMAP) sea surface salinity (SSS) v5.0 (1/4° grids; Fore et al., 2016) and the Ocean Science Database, Institute of Oceanology, Chinese Academy of Sciences (OSD‐IOCAS; 1° grids).…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, accurate estimation of the cross‐shelf carbon transports, including the particulate organic carbon (POC), dissolved organic carbon (DOC), and dissolved inorganic carbon (DIC), is very important to the understanding and projections of the regional/global ocean carbon cycles and climate change (Jiao, 2021; Jiao et al., 2018; Yuan et al., 2018). More importantly, a recent study has showed that the cross‐shelf volume transports are projected to increase significantly from 2006 to 2099 in the East China Sea (ECS) (Hao et al., 2022). The changes of the cross‐shelf carbon transports in response to the enhanced volume transport needs to be estimated.…”

Section: Introductionmentioning

confidence: 99%

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Cross‐Shelf Carbon Transport in the East China Sea and Its Future Trend Under Global Warming

Hao,

Yuan,

et al. 2024

JGR Oceans

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The cross‐shelf carbon transports across a section along the 100 m isobath from Taiwan to Cheju are estimated based on carbon concentration observations and ocean currents simulated by a regionally zoomed ocean‐atmosphere coupled model. Results show that the net cross‐shelf particulate organic carbon, dissolved organic carbon, and dissolved inorganic carbon transports are in the offshore direction at 1.81 ± 0.22, 51.8 ± 2.85, and 783 ± 58.9 TgC yr−1, respectively, which are high in spring and summer and low in winter and fall following the seasonality of the offshore volume transport. The carbon is transported into the East China Sea (ECS) mainly by the Taiwan Warm Current and the Yellow Sea Warm Current, whereas they are carried out of the ECS mainly by the East China Sea Current extension and the recirculation north of Taiwan. Assuming steady biological activity, future net total organic carbon transports are projected to increase by 5%∼19% offshore at the end of the 21st century, with the maximum increase in winter, in a high greenhouse gas emission scenario of RCP8.5. The increased carbon transports are due to the increased offshore volume transport, transferring more carbon‐rich coastal water away from the shelf in the warming future than at present. The results quantify cross‐shelf carbon burial in the ECS in the background of global warming.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Cross‐Shelf Carbon Transport in the East China Sea and Its Future Trend Under Global Warming

Hao,

Yuan,

et al. 2024

JGR Oceans

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“…Wind not only regulates the movement of surface water (Liu et al., 2021; Yuan & Hsueh, 2010), impacting the surface primary production and then the release of DMS, but also modifies the air–sea exchange rate (Nightingale et al., 2000). Additionally, the seawater temperature in the upper ocean will be elevated (Hao et al., 2022; Seo et al., 2014), which will likely affect phytoplankton community structure and DMS cycle (Fang et al., 2022; Shen et al., 2019; Wang, Xu, & Li, 2021). Transport of oceanic nutrients from the Kuroshio, together with the Taiwan Warm Current to the ECS seen in Figure 1, support the phytoplankton growth on the entire ECS shelf to a great extent (Xu et al., 2020; Zhang et al., 2019).…”

Section: Introductionmentioning

confidence: 99%

“…Ding et al (2019) calculated cross-shelf nutrient exchange, and suggested that the nitrate concentration (nitrate flux) at the 200-m isobath section in the ECS rose by up to 15% (25%) from 1993 to 2015. In the future, onshore intrusion is projected to increase (Hao et al, 2022;Seo et al, 2014), resulting in more nutrients being transported to the middle shelf of the ECS.…”

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confidence: 99%

Marine Dimethyl Sulfide Fluxes in the Yellow and East China Seas: Scenario Variation During the 1980s–2090s and Its Drivers

2023

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Shedding light on the response of oceanic dimethyl sulfide flux (FDMS) on the sea shelf to multi‐pressures (intensified terrigenous nutrient inputs and climate change) is of great importance for regional aerosol budget. Here, we designed 4‐group experiments in scenario (the 1980s, 2010s, 2050s, and 2090s) for the Yellow and East China seas (YECS) based on climate change signals gained from CMIP6 and a 3‐dimension biophysical and geochemical model. Results show that the climatological annual mean of YECS's FDMS will rise from ∼6 μmol m−2 day−1 in the 1980s to >9 μmol m−2 day−1 in the 2090s under Shared Socioeconomic Pathway (SSP) 2−4.5/5−8.5 scenario, and with multi‐pressures, the FDMS peak in the 2050s is one season earlier when compared to that in the 1980s. The elevated terrigenous inputs affect the phytoplankton biomass and/or community on the inner shelf, leading to the rise and phenology change in the YECS's FDMS between the1980s and 2010s, while climate change has little impact. The influence of climate change on the FDMS is projected to increase in the 2050s; climate change will change seasonal pattern of the FDMS on the central part (middle and outer shelves) of East China Sea (CECS) under every SSP scenario. Thereinto, wind change exerts a crucial role, it will enhance summertime offshore transport and, accordingly, stimulate phytoplankton growth in summer changing the phenology of FDMS on the CECS.

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Patterns and mechanism of wintertime penetrating fronts in the East China Sea

Ye,

Huang,

Xuan

et al. 2024

Sci. China Earth Sci.

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Long-term changes of cross-shelf transports in the Yellow and East China Seas under different greenhouse gases emission scenarios

Cited by 5 publications

References 63 publications

Cross‐Shelf Carbon Transport in the East China Sea and Its Future Trend Under Global Warming

Cross‐Shelf Carbon Transport in the East China Sea and Its Future Trend Under Global Warming

Marine Dimethyl Sulfide Fluxes in the Yellow and East China Seas: Scenario Variation During the 1980s–2090s and Its Drivers

Patterns and mechanism of wintertime penetrating fronts in the East China Sea

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