2022年和2023年西北太平洋中高纬度地区极端海洋热浪引发浮游植物爆发与碳吸收增强
Phytoplankton Bloom and Enhanced Carbon Uptake Induced by Marine Heatwaves in the Mid-High Latitudes of the Northwestern Pacific in 2022 and 2023
DOI: 10.12677/ccrl.2026.153070, PDF,    国家自然科学基金支持
作者: 董立斌, 王文彩*：中国海洋大学海洋与大气科学学院，山东 青岛
关键词: 海洋热浪；浮游植物爆发；碳吸收；西北太平洋；Marine Heatwaves； Phytoplankton Bloom； Carbon Uptake； Northwestern Pacific
摘要: 中高纬度海域的海洋热浪发生频率持续攀升，对海洋浮游植物动态与碳吸收过程产生显著调控作用，其影响不仅局限在夏季。本研究聚焦2022~2023年秋季西北太平洋强海洋热浪事件，系统解析其演化特征及其对叶绿素a浓度与碳吸收通量的影响机制。结果表明，热浪期间叶绿素a浓度较气候态均值激增5~6倍，颗粒有机碳浓度同步提升2~3倍，二者呈现显著协同变化规律。研究进一步揭示，海洋热浪的持续性特征及其对混合层深度的复合效应是驱动该现象的关键机制：混合层持续增温过程构建了适宜浮游植物增殖的环境，进而诱发水华爆发并强化海洋碳吸收能力。
Abstract: The frequency of prolonged marine heatwaves (MHWs) in mid-to-high latitude oceanic regions has increased and significantly affected oceanic phytoplankton dynamics and carbon uptake has no longer confined to the summer months. This study investigates the characteristics of strong autumn MHWs in the Northwestern Pacific in 2022 and 2023 and their effects on Chl-a concentration and carbon uptake. The results indicate that Chl-a concentrations were up to 5~6 times higher than the climatological normal during autumn MHWs. While particulate organic carbon (POC) is up to 2~3 times higher than the climatological normal, paralleling the variations in Chl-a concentrations. Our results further indicate that the extended duration of MHWs and their complex effects on the oceanic mixed layer depth (MLD) play a key role in this phenomenon. The prolonged heating of the mixed layer during MHWs creates optimal temperature and nutrients conditions for phytoplankton growth, promoting phytoplankton blooms and enhanced carbon uptake.
文章引用：董立斌, 王文彩. 2022年和2023年西北太平洋中高纬度地区极端海洋热浪引发浮游植物爆发与碳吸收增强[J]. 气候变化研究快报, 2026, 15(3): 648-662. https://doi.org/10.12677/ccrl.2026.153070

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