Changes in marine hot and cold extremes in the China Seas during 1982–2020

Li, Yan; Ren, Guoyu; Wang, Hongtao; Mu, Lin

doi:10.1016/j.wace.2023.100553

Cited by 3 publications

(1 citation statement)

References 36 publications

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“…As extreme events of ocean warming, MHWs can cause rapid changes in biodiversity patterns and ecosystem structure and functioning (e.g., Favoretto et al, 2022;Jiang et al, 2022;Mo et al, 2022). Over the recent decades, significant MHWs occurred in many sub-regions in the Pacific (Amaya et al, 2020;Holbrook et al, 2022;Li et al, 2023a, Li et al, 2023b, Atlantic (Varela et al, 2021;Izquierdo et al, 2022;Reyes-Mendoza et al, 2022), Indian (Huang et al, 2021c;Qi et al, 2022;Saranya et al, 2022) and Arctic (Carvalho et al, 2021;Huang et al, 2021b) Oceans. As the oceans (in particularly in the upper layer) get warmer associated with the global warming, MHWs also last longer and occur more frequently.…”

Section: Introductionmentioning

confidence: 99%

Variations of surface marine heatwaves in the Northwest Pacific during 1993–2019

Wang,

Lu,

Zhai

et al. 2024

Front. Mar. Sci.

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Parameters of surface marine heatwaves (MHWs) in the Northwest Pacific during 1993–2019 are derived from two sea surface temperature (SST) products: the Optimum Interpolation SST based on satellite remote sensing (OISST V2.1) and the Global Ocean Physics Reanalysis based on data-assimilative global ocean model (GLORYS12V1). Similarities and differences between the MHW parameters derived from the two datasets are identified. The spatial distributions of the mean annual MHW total days, frequency, duration, mean intensity and cumulative intensity, and interannual variations of these parameters are generally similar, while the MHW total days and duration from GLORYS12V1 are usually higher than that from OISST V2.1. Based on seasonal-mean values from GLORYS12V1, longer MHW total days (>7) have the largest spatial coverage in both the shelf and deep waters in summer, while the smallest coverage in spring. In selected representative regions, interannual variations of the MHW total days are positively correlated with the SST anomalies. In summer, the MHW total days have positive correlations with the Western Pacific Subtropical High intensity, and negative correlations with the East Asia Monsoon intensity, over nearly the whole South China Sea (SCS) and the low-latitude Pacific. In winter, positive correlations with both the Subtropical High and Monsoon intensities present over the western part of SCS. Strong El Niño is followed by longer MHW total days over the western half of SCS in winter, and over the whole SCS and low-latitude Pacific in summer of the next year. These correlation relationships are valuable for developing forecasts of MHWs in the region.

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Section: Introductionmentioning

confidence: 99%

Variations of surface marine heatwaves in the Northwest Pacific during 1993–2019

Wang,

Lu,

Zhai

et al. 2024

Front. Mar. Sci.

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Spatial Patterns and Evolution Features of Marine Cold Spells in the Arabian Sea during the Past Three Decades

Wang,

Zhang,

Crabbe

2024

JMSE

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Marine Cold Spell (MCS) events are cold sea states with potentially devastating impacts on marine environments and ecosystems. In this study, we analyzed different MCS types with various severe categories in the Arabian Sea during 1994–2023. We found that all four types of MCS events shared a similar spatial pattern in terms of frequency, mean duration, mean intensity, and total days, but the frequency of 1-MCS events had a sharply decreasing trend compared with any other type of MCS events, indicating that ocean warming mainly led to the significant disappearance of short-period MCS events. Moreover, the MCS events in offshore Somalia had the highest occurring frequency, longest duration, largest intensity, and maximal total days, and were significantly different from those in other regions of the Arabian Sea. This is originated from that the cold–warm changes of the Somali current make larger fluctuations in the sea surface temperatures of the waters off Somalia, enhancing the occurring probability of MCS events, especially during the summers.

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Statistical Characteristics of Remote Sensing Extreme Temperature Anomaly Events in the Taiwan Strait

Jin,

Zhang

2024

Remote Sensing

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With global warming, the global ocean is experiencing more and stronger marine heatwaves (MHWs) and less and weaker marine cold spells (MCSs). On the regional scale, the complex circulation structure means that the changes in sea surface temperature (SST) and extreme temperature anomaly events in the Taiwan Strait (TWS) exhibit unique regional characteristics. In summer (autumn), the SST in most regions of the TWS has a significant increasing trend with a regionally averaged rate of 0.22 °C (0.19 °C) per decade during the period 1982–2021. In winter and spring, the SST in the western strait shows a significant decreasing trend with a maximum decreasing rate of −0.48 °C per decade, while it shows an increasing trend in the eastern strait. The annual mean results show that the TWS is experiencing more MHWs and MCSs with time. The frequency of the MHWs in the eastern strait is increasing faster than that in the western strait. In the western region controlled by the Zhe-Min Coastal Current, the MCSs have an increasing trend while in the other areas they have a decreasing trend. The MHWs occur in most areas of the TWS in summer and autumn, but the MCSs are mainly concentrated in the west of the TWS in spring and winter. The cooling effect of summer upwelling tends to inhibit the occurrence of MHWs and enhance MCSs. The rising background SST is a dominant driver for the increasing trend of summer MHWs. By contrast, both the SST decreasing trend and internal variability contribute to the winter MCSs increasing trend in the strait.

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Changes in marine hot and cold extremes in the China Seas during 1982–2020

Cited by 3 publications

References 36 publications

Variations of surface marine heatwaves in the Northwest Pacific during 1993–2019

Variations of surface marine heatwaves in the Northwest Pacific during 1993–2019

Spatial Patterns and Evolution Features of Marine Cold Spells in the Arabian Sea during the Past Three Decades

Statistical Characteristics of Remote Sensing Extreme Temperature Anomaly Events in the Taiwan Strait

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