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| DOI | 10.1029/2023GL105363 |
| Impact of Marine Heatwaves on Air-Sea CO2 Flux Along the US East Coast | |
| 发表日期 | 2024 |
| ISSN | 0094-8276 |
| EISSN | 1944-8007 |
| 起始页码 | 51 |
| 结束页码 | 1 |
| 卷号 | 51期号:1 |
| 英文摘要 | Marine heatwaves (MHWs) are extremely warm ocean temperature events that significantly affect marine environments, but their effects on the coastal carbonate system are still uncertain. In this study, we systematically quantify MHWs' impacts on air-sea carbon dioxide (CO2) flux anomalies (FCO2 ') in the Mid-Atlantic Bight (MAB) and South Atlantic Bight (SAB) from 1992 to 2020. During the longest MHW in both regions, oceanic CO2 uptake capabilities substantially decreased, primarily due to significant increases in the seawater partial pressure of CO2 (pCO(2sea)). For all cases, MHWs played a more significant role in driving pCO(2sea) changes in the MAB than the SAB, where non-thermal drivers dominated pCO(2sea) variability. In the MAB, weakened wind speeds related to wintertime atmospheric perturbations increase ocean temperatures and pCO(2sea), further reducing CO2 uptake during winter MHWs. This work is the first to connect extreme temperatures to coastal air-sea CO2 fluxes. The reduction in CO2 absorption noted during MHWs in this study has important implications for coastal regions to act as continued sinks for excess CO2 emissions in the atmosphere. |
| 英文关键词 | marine heatwaves; air-sea CO2 flux; US East Coast; extreme events |
| 语种 | 英语 |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS记录号 | WOS:001134821900001 |
| 来源期刊 | GEOPHYSICAL RESEARCH LETTERS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/294843 |
| 作者单位 | University of Delaware; Xiamen University; University of Delaware; Xiamen University; Sun Yat Sen University; Southern Marine Science & Engineering Guangdong Laboratory; Southern Marine Science & Engineering Guangdong Laboratory (Zhuhai) |
| 推荐引用方式 GB/T 7714 | . Impact of Marine Heatwaves on Air-Sea CO2 Flux Along the US East Coast[J],2024,51(1). |
| APA | (2024).Impact of Marine Heatwaves on Air-Sea CO2 Flux Along the US East Coast.GEOPHYSICAL RESEARCH LETTERS,51(1). |
| MLA | "Impact of Marine Heatwaves on Air-Sea CO2 Flux Along the US East Coast".GEOPHYSICAL RESEARCH LETTERS 51.1(2024). |
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