气候变化领域集成服务门户(CCPortal): Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change

CCPortal

DOI	10.1029/2019JC015674
	Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change
	Fumo J.T.; Carter M.L.; Flick R.E.; Rasmussen L.L.; Rudnick D.L.; Iacobellis S.F.
发表日期	2020
ISSN	21699275
卷号	125 期号:5
英文摘要	In early August 2018, record-high sea surface temperatures were recorded in the 102 year old Scripps Institution of Oceanography daily temperature time series (SIOT) at La Jolla, CA, USA. The previous record of 25.8 °C, set in July 1931, was broken four times over 9 days, peaking at 26.4 °C on 9 August 2018. Optimum Interpolation Sea Surface Temperature data suggest that the marine heatwave (MHW) manifested in the northern half of the Baja California Peninsula, tapering off into the Southern California Bight. Here we use the Optimum Interpolation Sea Surface Temperature data to categorize this MHW as severe with relatively high maximum intensity (3.9 °C) and long duration (44 days) when compared to other events in the time series. Glider profiles show that the thermal anomaly was largest near the surface and extended to at least 100 m depth. By detrending the SIOT to remove the long-term anthropogenic climate signal and comparing the resulting data set to the unadjusted, we contextualize this MHW with respect to the entire time series and demonstrate that the long-term trend played a crucial role in amplifying the intensity and duration of the MHW. In this case, the anthropogenic warming signal in the SIOT accounts for an additional 19 MHW days (from 24 to 43) and an increase in cumulative intensity of 56.8 °C (from 83.1 to 139.9). © 2020. The Authors.
英文关键词	Extreme Events; Marine Heatwave; Sea Surface Temperature; Southern California Bight
语种	英语
来源期刊	Journal of Geophysical Research: Oceans
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/186869
作者单位	Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, United States; Divisions of Boating and Waterways and Natural Resources, California State Parks, Sacramento, CA, United States
推荐引用方式 GB/T 7714	Fumo J.T.,Carter M.L.,Flick R.E.,et al. Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change[J],2020,125(5).
APA	Fumo J.T.,Carter M.L.,Flick R.E.,Rasmussen L.L.,Rudnick D.L.,&Iacobellis S.F..(2020).Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change.Journal of Geophysical Research: Oceans,125(5).
MLA	Fumo J.T.,et al."Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change".Journal of Geophysical Research: Oceans 125.5(2020).