Earth:Marine heatwave

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Short description: Unusually warm temperature event in the ocean
World map showing several heatwaves at different locations in August and September 2023. The marine heatwave west of South America is a prominent example.

A marine heatwave (abbreviated as MHW) is a period of abnormally high ocean temperatures relative to the average seasonal temperature in a particular marine region.[1] Marine heatwaves are caused by a variety of factors, including shorter term weather phenomena such as fronts, intraseasonal events (30- to 90-days) , annual, or decadal (10-year) modes like El Niño events, and longer term changes like climate change.[2][3][4] Marine heatwaves can have biological impacts on ecosystems at individual, population, and community levels.[5] MHWs have led to severe biodiversity changes such as coral bleaching, sea star wasting disease,[6][7] harmful algal blooms,[8] and mass mortality of benthic communities.[9] Unlike heatwaves on land, marine heatwaves can extend for millions of square kilometers, persist for weeks to months or even years, and occur at subsurface levels.[10][11][12][13]

Major marine heatwave events such as Great Barrier Reef 2002,[14] Mediterranean 2003,[9] Northwest Atlantic 2012,[2][15] and Northeast Pacific 2013-2016[16][17] have had drastic and long-term impacts on the oceanographic and biological conditions in those areas.[9][18][8] "The term marine heatwave, referring to a discrete period of unusually high seawater temperatures, was coined following an unprecedented warming event off the west coast of Australia in the austral summer of 2011."[19]

The IPCC Sixth Assessment Report stated in 2022 that "marine heatwaves are more frequent [...], more intense and longer [...] since the 1980s, and since at least 2006 very likely attributable to anthropogenic climate change".[20]:381 This confirms earlier findings, for example in the Special Report on the Ocean and Cryosphere in a Changing Climate from 2019 which stated that it is "virtually certain" that the global ocean has absorbed more than 90% of the excess heat in our climate systems, the rate of ocean warming has doubled, and marine heatwave events have doubled in frequency since 1982.[21]

Definition

Global marine heat wave (MHW) characteristics and case-study regions. 34-year (1982–2015) average properties of MHWs based on application of the MHW definition to daily sea surface temperatures datasets.[2]

The IPCC Sixth Assessment Report defines marine heatwave as follows: "A period during which water temperature is abnormally warm for the time of the year relative to historical temperatures, with that extreme warmth persisting for days to months. The phenomenon can manifest in any place in the ocean and at scales of up to thousands of kilometres."[22]

Another publication defined it as follows: an anomalously warm event is a marine heatwave "if it lasts for five or more days, with temperatures warmer than the 90th percentile based on a 30-year historical baseline period".[1]

Categories

Categories of marine heatwaves[23]

The quantitative and qualitative categorization of marine heatwaves establishes a naming system, typology, and characteristics for marine heatwave events.[1][23] The naming system is applied by location and year: for example Mediterranean 2003.[23][9] This allows researchers to compare the drivers and characteristics of each event, geographical and historical trends of marine heatwaves, and easily communicate marine heatwave events as they occur in real-time.[23]

The categorization system is on a scale from 1 to 4.[23] Category 1 is a moderate event, Category 2 is a strong event, Category 3 is a severe event, and Category 4 is an extreme event. The category applied to each event in real-time is defined primarily by sea surface temperature anomalies (SSTA), but over time it comes to include typology and characteristics.[23]

The types of marine heatwaves are symmetric, slow onset, fast onset, low intensity, and high intensity.[1] Marine heatwave events may have multiple categories such as slow onset, high intensity. The characteristics of marine heatwave events include duration, intensity (max, average, cumulative), onset rate, decline rate, region, and frequency.[1]

While marine heat waves have been studied at the sea surface for more than a decade, they can also occur at the sea floor.[24]

Drivers

Space and time scales of characteristic MHW drivers. Schematic identifying the characteristic marine heatwave drivers and their relevant space and time scales,[2]

The drivers for marine heatwave events can be broken into local processes, teleconnection processes, and regional climate patterns.[2][3][4] Two quantitative measurements of these drivers have been proposed to identify marine heatwave, mean sea surface temperature and sea surface temperature variability.[23][2][4]

At the local level marine heatwave events are dominated by ocean advection, air-sea fluxes, thermocline stability, and wind stress.[2] Teleconnection processes refer to climate and weather patterns that connect geographically distant areas.[25] For marine heatwave, the teleconnection process that play a dominant role are atmospheric blocking/subsidence, jet-stream position, oceanic kelvin waves, regional wind stress, warm surface air temperature, and seasonal climate oscillations. These processes contribute to regional warming trends that disproportionately effect Western boundary currents.[2]

Regional climate patterns such as interdecadal oscillations like El Niño Southern Oscillation (ENSO) have contributed to marine heatwave events such as "The Blob" in the Northeastern Pacific.[26]

Drivers that operate on the scale of biogeographical realms or the Earth as a whole are Decadal oscillations, like Pacific Decadal Oscillations (PDO), and anthropogenic ocean warming due to climate change.[2][4][21]

Ocean areas of carbon sinks in the mid-latitudes of both hemispheres and carbon outgassing areas in upwelling regions of the tropical Pacific have been identified as places where persistent marine heatwaves occur; the air-sea gas exchange is being studied in these areas.[27]

Climate change as an additional driver

Sea surface temperature from 1979 to 2023 in the region between 60 degrees south and 60 degrees north (oldest years are blue, intermediate years are white, the most recent years are red).

Scientists predict that the frequency, duration, scale (or area) and intensity of marine heatwaves will continue to increase.[28]:1227 This is because sea surface temperatures will continue to increase with global warming, and therefore the frequency and intensity of marine heatwaves will also increase. The extent of ocean warming depends on emission scenarios, and thus humans' climate change mitigation efforts. Simply put, the more greenhouse gas emissions (or the less mitigation), the more the sea surface temperature will rise. Scientists have calculated this as follows: there would be a relatively small (but still significant) increase of 0.86 °C in the average sea surface temperature for the low emissions scenario (called SSP1-2.6). But for the high emissions scenario (called SSP5-8.5) the temperature increase would be as high as 2.89 °C.[28]:393

The prediction for marine heatwaves is that they may become "four times more frequent in 2081–2100 compared to 1995–2014" under the lower emissions scenario, or eight times more frequent under the higher emissions scenario.[28]:1214 The emissions scenarios are called SSP for Shared Socioeconomic Pathways. A mathematical model called CMIP6 is used for these predictions. The predictions are for the average of the future period (years 2081 to 2100) compared to the average of the past period (years 1995 to 2014).[28]:1227

Many species already experience these temperature shifts during the course of marine heatwave events.[1][23] There are many increased risk factors and health impacts to coastal and inland communities as global average temperature and extreme heat events increase.[29]

List of events

Sea surface temperatures have been recorded since 1904 in Port Erin, UK[4] and measurements continue through global organizations such as NOAA, NASA, and many more. Events can be identified from 1925 till present day.[4] The list below is not a complete representation of all marine heatwave events that have ever been recorded.

List of some marine heatwaves 1999–2023
Name Category Duration (days) Intensity (°C) Area(Mkm2) Ref.
Mediterranean 1999 1 8 1.9 NA [23][2][9]
Mediterranean 2003 2 10 5.5 0.5 [23][2][9]
Mediterranean 2003 2 28 4.6 1.2 [23][2][9]
Mediterranean 2006 2 33 4.0 NA [23][2][9]
Western Australia 1999 3 132 2.1 NA [23][2][30]
Western Australia 2011 4 66 4.9 0.95 [23][2][30]
Great Barrier Reef 2016 2 55 4.0 2.6 [23][2][14]
Tasman Sea 2015 2 252 2.7 NA [23][2]
Northwest Atlantic 2012 3 132 4.3 0.1–0.3 [23][2][15][31]
Northeast Pacific 2015 ("The Blob") 3 711 2.6 4.5–11.7 [16][17]
Santa Barbara 2015 3 93 5.1 NA
Southern California Bight 2018 3 44 3.9 NA [32]
Northeastern Atlantic 2023 5 30 4.0-5.0 NA [33]

Impacts

Bleached coral
Healthy coral

On marine ecosystems

Changes in the thermal environment of terrestrial and marine organisms can have drastic effects on their health and well-being.[18][29] marine heatwave events have been shown to increase habitat degradation,[34][35] change species range dispersion,[18] complicate management of environmentally and economically important fisheries,[16] contribute to mass mortalities of species,[9][8][6] and in general reshape ecosystems.[14][36]

Habitat degradation occurs through alterations of the thermal environment and subsequent restructuring and sometimes complete loss of biogenic habitats such as seagrass beds, corals, and kelp forests.[34][35] These habitats contain a significant proportion of the oceans biodiversity.[18] Changes in ocean current systems and local thermal environments have shifted many tropical species' range northward while temperate species have lost their southern limits. Large range shifts along with outbreaks of toxic algal blooms has impacted many species across taxa.[8] Management of these affected species becomes increasingly difficult as they migrate across management boundaries and the food web dynamics shift.

Increases in sea surface temperature have been linked to a decline in species abundance such as the mass mortality of 25 benthic species in the Mediterranean in 2003, sea star wasting disease, and coral bleaching events.[9][18][6] Climate change-related exceptional marine heatwaves in the Mediterranean Sea during 2015–2019 resulted in widespread mass sealife die-offs in five consecutive years.[37] The impact of more frequent and prolonged marine heatwave events will have drastic implications for the distribution of species.[21]

Coral bleaching

This section is an excerpt from Coral bleaching#Trends due to climate change[ edit ]

On weather patterns

The marine heatwave termed "The Blob" that occurred in the Northeastern Pacific from 2013 to 2016.[38]

Research on how marine heatwaves influence atmospheric conditions is emerging. Marine heatwaves in the tropical Indian Ocean are found to result in dry conditions over the central Indian subcontinent.[39] At the same time, there is an increase in rainfall over south peninsular India in response to marine heatwaves in the northern Bay of Bengal. These changes are in response to the modulation of the monsoon winds by the marine heatwaves.

Options for reducing impacts

To address the root cause of more frequent and more intense marine heatwaves,[20]:416 climate change mitigation methods are needed to curb the increase in global temperature and in ocean temperatures.

Better forecasts of marine heatwaves and improved monitoring can also help to reduce impacts of these heatwaves.[20]:417

See also

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Hobday, Alistair J.; Alexander, Lisa V.; Perkins, Sarah E.; Smale, Dan A.; Straub, Sandra C.; Oliver, Eric C. J.; Benthuysen, Jessica A.; Burrows, Michael T. et al. (2016-02-01). "A hierarchical approach to defining marine heatwaves" (in en). Progress in Oceanography 141: 227–238. doi:10.1016/j.pocean.2015.12.014. ISSN 0079-6611. Bibcode: 2016PrOce.141..227H. 
  2. ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 2.12 2.13 2.14 2.15 2.16 2.17 Holbrook, Neil J.; Scannell, Hillary A.; Sen Gupta, Alexander; Benthuysen, Jessica A.; Feng, Ming; Oliver, Eric C. J.; Alexander, Lisa V.; Burrows, Michael T. et al. (2019-06-14). "A global assessment of marine heatwaves and their drivers". Nature Communications 10 (1): 2624. doi:10.1038/s41467-019-10206-z. ISSN 2041-1723. PMID 31201309. Bibcode: 2019NatCo..10.2624H.  CC-BY icon.svg Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License
  3. ↑ 3.0 3.1 Oliver, Eric C. J. (2019-08-01). "Mean warming not variability drives marine heatwave trends". Climate Dynamics 53 (3): 1653–1659. doi:10.1007/s00382-019-04707-2. ISSN 1432-0894. Bibcode: 2019ClDy...53.1653O. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 Oliver, Eric C. J.; Donat, Markus G.; Burrows, Michael T.; Moore, Pippa J.; Smale, Dan A.; Alexander, Lisa V.; Benthuysen, Jessica A.; Feng, Ming et al. (2018-04-10). "Longer and more frequent marine heatwaves over the past century". Nature Communications 9 (1): 1324. doi:10.1038/s41467-018-03732-9. ISSN 2041-1723. PMID 29636482. Bibcode: 2018NatCo...9.1324O. 
  5. ↑ Smith, Kathryn E.; Burrows, Michael T.; Hobday, Alistair J.; King, Nathan G.; Moore, Pippa J.; Sen Gupta, Alex; Thomsen, Mads S.; Wernberg, Thomas et al. (16 January 2023). "Biological Impacts of Marine Heatwaves". Annual Review of Marine Science 15 (1): 119–145. doi:10.1146/annurev-marine-032122-121437. PMID 35977411. Bibcode: 2023ARMS...15..119S. 
  6. ↑ 6.0 6.1 6.2 Bates, AE; Hilton, BJ; Harley, CDG (2009-11-09). "Effects of temperature, season and locality on wasting disease in the keystone predatory sea star Pisaster ochraceus". Diseases of Aquatic Organisms 86 (3): 245–251. doi:10.3354/dao02125. ISSN 0177-5103. PMID 20066959. 
  7. ↑ Eisenlord, Morgan E.; Groner, Maya L.; Yoshioka, Reyn M.; Elliott, Joel; Maynard, Jeffrey; Fradkin, Steven; Turner, Margaret; Pyne, Katie et al. (2016-03-05). "Ochre star mortality during the 2014 wasting disease epizootic: role of population size structure and temperature". Philosophical Transactions of the Royal Society B: Biological Sciences 371 (1689): 20150212. doi:10.1098/rstb.2015.0212. PMID 26880844. 
  8. ↑ 8.0 8.1 8.2 8.3 McCabe, Ryan M.; Hickey, Barbara M.; Kudela, Raphael M.; Lefebvre, Kathi A.; Adams, Nicolaus G.; Bill, Brian D.; Gulland, Frances M. D.; Thomson, Richard E. et al. (2016-10-16). "An unprecedented coastwide toxic algal bloom linked to anomalous ocean conditions". Geophysical Research Letters 43 (19): 10366–10376. doi:10.1002/2016GL070023. ISSN 0094-8276. PMID 27917011. Bibcode: 2016GeoRL..4310366M. 
  9. ↑ 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 Garrabou, J.; Coma, R.; Bensoussan, N.; Bally, M.; Chevaldonné, P.; Cigliano, M.; Diaz, D.; Harmelin, J. G. et al. (May 2009). "Mass mortality in Northwestern Mediterranean rocky benthic communities: effects of the 2003 heat wave". Global Change Biology 15 (5): 1090–1103. doi:10.1111/j.1365-2486.2008.01823.x. Bibcode: 2009GCBio..15.1090G. 
  10. ↑ Bond, Nicholas A.; Cronin, Meghan F.; Freeland, Howard; Mantua, Nathan (2015-05-16). "Causes and impacts of the 2014 warm anomaly in the NE Pacific: 2014 WARM ANOMALY IN THE NE PACIFIC" (in en). Geophysical Research Letters 42 (9): 3414–3420. doi:10.1002/2015GL063306. 
  11. ↑ Schaeffer, A.; Roughan, M. (2017-05-28). "Subsurface intensification of marine heatwaves off southeastern Australia: The role of stratification and local winds: SUBSURFACE MARINE HEAT WAVES" (in en). Geophysical Research Letters 44 (10): 5025–5033. doi:10.1002/2017GL073714. http://doi.wiley.com/10.1002/2017GL073714. 
  12. ↑ Perkins-Kirkpatrick, S. E.; King, A. D.; Cougnon, E. A.; Holbrook, N. J.; Grose, M. R.; Oliver, E. C. J.; Lewis, S. C.; Pourasghar, F. (2019-01-01). "The Role of Natural Variability and Anthropogenic Climate Change in the 2017/18 Tasman Sea Marine Heatwave" (in EN). Bulletin of the American Meteorological Society 100 (1): S105–S110. doi:10.1175/BAMS-D-18-0116.1. ISSN 0003-0007. Bibcode: 2019BAMS..100S.105P. https://journals.ametsoc.org/view/journals/bams/100/1/bams-d-18-0116.1.xml. 
  13. ↑ Laufkötter, Charlotte; Zscheischler, Jakob; Frölicher, Thomas L. (2020-09-25). "High-impact marine heatwaves attributable to human-induced global warming" (in en). Science 369 (6511): 1621–1625. doi:10.1126/science.aba0690. ISSN 0036-8075. PMID 32973027. Bibcode: 2020Sci...369.1621L. https://www.science.org/doi/10.1126/science.aba0690. 
  14. ↑ 14.0 14.1 14.2 Frölicher, Thomas L.; Laufkötter, Charlotte (December 2018). "Emerging risks from marine heat waves". Nature Communications 9 (1): 650. doi:10.1038/s41467-018-03163-6. ISSN 2041-1723. PMID 29440658. Bibcode: 2018NatCo...9..650F. 
  15. ↑ 15.0 15.1 Gulf of Maine Research Institute; Pershing, Andrew; Mills, Katherine; Dayton, Alexa; Franklin, Bradley; Kennedy, Brian (2018-06-01). "Evidence for Adaptation from the 2016 Marine Heatwave in the Northwest Atlantic Ocean". Oceanography 31 (2). doi:10.5670/oceanog.2018.213. 
  16. ↑ 16.0 16.1 16.2 Scripps Institution of Oceanography; Cavole, Leticia; Demko, Alyssa; Diner, Rachel; Giddings, Ashlyn; Koester, Irina; Pagniello, Camille; Paulsen, May-Linn et al. (2016). "Biological Impacts of the 2013–2015 Warm-Water Anomaly in the Northeast Pacific: Winners, Losers, and the Future". Oceanography 29 (2). doi:10.5670/oceanog.2016.32. 
  17. ↑ 17.0 17.1 Gentemann, Chelle L.; Fewings, Melanie R.; García-Reyes, Marisol (2017-01-16). "Satellite sea surface temperatures along the West Coast of the United States during the 2014–2016 northeast Pacific marine heat wave: Coastal SSTs During "the Blob"". Geophysical Research Letters 44 (1): 312–319. doi:10.1002/2016GL071039. 
  18. ↑ 18.0 18.1 18.2 18.3 18.4 Smale, Dan A.; Wernberg, Thomas; Oliver, Eric C. J.; Thomsen, Mads; Harvey, Ben P.; Straub, Sandra C.; Burrows, Michael T.; Alexander, Lisa V. et al. (April 2019). "Marine heatwaves threaten global biodiversity and the provision of ecosystem services". Nature Climate Change 9 (4): 306–312. doi:10.1038/s41558-019-0412-1. ISSN 1758-6798. Bibcode: 2019NatCC...9..306S. https://research-repository.uwa.edu.au/en/publications/marine-heatwaves-threaten-global-biodiversity-and-the-provision-of-ecosystem-services(9240f4f9-512b-4185-bef0-96f370e9138b).html. 
  19. ↑ Smith, Kathryn E.; Burrows, Michael T.; Hobday, Alistair J.; King, Nathan G.; Moore, Pippa J.; Sen Gupta, Alex; Thomsen, Mads S.; Wernberg, Thomas et al. (2023). "Biological Impacts of Marine Heatwaves". Annual Review of Marine Science 15: 119–145. doi:10.1146/annurev-marine-032122-121437. PMID 35977411. Bibcode: 2023ARMS...15..119S. 
  20. ↑ 20.0 20.1 20.2 Cooley, S., D. Schoeman, L. Bopp, P. Boyd, S. Donner, D.Y. Ghebrehiwet, S.-I. Ito, W. Kiessling, P. Martinetto, E. Ojea, M.-F. Racault, B. Rost, and M. Skern-Mauritzen, 2022: Chapter 3: Oceans and Coastal Ecosystems and Their Services. In: Climate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.)]. Cambridge University Press, Cambridge, UK and New York, NY, USA, pp. 379–550, doi:10.1017/9781009325844.005.
  21. ↑ 21.0 21.1 21.2 "Special Report on the Ocean and Cryosphere in a Changing Climate — Special Report on the Ocean and Cryosphere in a Changing Climate". https://www.ipcc.ch/srocc/home/. 
  22. ↑ IPCC, 2021: Annex VII: Glossary [Matthews, J.B.R., V. Möller, R. van Diemen, J.S. Fuglestvedt, V. Masson-Delmotte, C.  Méndez, S. Semenov, A. Reisinger (eds.)]. In Climate Change 2021: The Physical Science Basis. Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Masson-Delmotte, V., P. Zhai, A. Pirani, S.L. Connors, C. Péan, S. Berger, N. Caud, Y. Chen, L. Goldfarb, M.I. Gomis, M. Huang, K. Leitzell, E. Lonnoy, J.B.R. Matthews, T.K. Maycock, T. Waterfield, O. Yelekçi, R. Yu, and B. Zhou (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, pp. 2215–2256, doi:10.1017/9781009157896.022.
  23. ↑ 23.00 23.01 23.02 23.03 23.04 23.05 23.06 23.07 23.08 23.09 23.10 23.11 23.12 23.13 23.14 23.15 23.16 CSIRO; Hobday, Alistair; Oliver, Eric; Sen Gupta, Alex; Benthuysen, Jessica; Burrows, Michael; Donat, Markus; Holbrook, Neil et al. (2018-06-01). "Categorizing and Naming Marine Heatwaves". Oceanography 31 (2). doi:10.5670/oceanog.2018.205.  CC-BY icon.svg Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License
  24. ↑ National Center for Atmospheric Research (NCAR) & University Corporation for Atmospheric Research (UCAR) (17 Mar 2023). "Scientists identify heat wave at bottom of ocean". https://phys.org/news/2023-03-scientists-bottom-ocean.html. 
  25. ↑ Gu, D. (1997-02-07). "Interdecadal Climate Fluctuations That Depend on Exchanges Between the Tropics and Extratropics". Science 275 (5301): 805–807. doi:10.1126/science.275.5301.805. PMID 9012341. 
  26. ↑ Schwing, Franklin B.; Mendelssohn, Roy; Bograd, Steven J.; Overland, James E.; Wang, Muyin; Ito, Shin-ichi (2010-02-10). "Climate change, teleconnection patterns, and regional processes forcing marine populations in the Pacific". Journal of Marine Systems. Impact of climate variability on marine ecosystems: A comparative approach 79 (3): 245–257. doi:10.1016/j.jmarsys.2008.11.027. ISSN 0924-7963. Bibcode: 2010JMS....79..245S. 
  27. ↑ Mignot, A., von Schuckmann, K., Landschützer, P. et al. Decrease in air-sea CO2 fluxes caused by persistent marine heatwaves. Nature Communications 13, 4300 (2022). Nature website Retrieved 21 September 2022.
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  29. ↑ 29.0 29.1 Greene, Scott; Kalkstein, Laurence S.; Mills, David M.; Samenow, Jason (October 2011). "An Examination of Climate Change on Extreme Heat Events and Climate–Mortality Relationships in Large U.S. Cities". Weather, Climate, and Society 3 (4): 281–292. doi:10.1175/WCAS-D-11-00055.1. ISSN 1948-8327. 
  30. ↑ 30.0 30.1 Pearce, Alan F.; Feng, Ming (2013-02-01). "The rise and fall of the "marine heat wave" off Western Australia during the summer of 2010/2011". Journal of Marine Systems 111–112: 139–156. doi:10.1016/j.jmarsys.2012.10.009. ISSN 0924-7963. Bibcode: 2013JMS...111..139P. 
  31. ↑ Herring, Stephanie C.; Hoell, Andrew; Hoerling, Martin P.; Kossin, James P.; Schreck, Carl J.; Stott, Peter A. (December 2016). "Introduction to Explaining Extreme Events of 2015 from a Climate Perspective". Bulletin of the American Meteorological Society 97 (12): S1–S3. doi:10.1175/BAMS-D-16-0313.1. ISSN 0003-0007. Bibcode: 2016BAMS...97S...1H. 
  32. ↑ Fumo, James T.; Carter, Melissa L.; Flick, Reinhard E.; Rasmussen, Linda L.; Rudnick, Daniel L.; Iacobellis, Sam F. (May 2020). "Contextualizing Marine Heatwaves in the Southern California Bight Under Anthropogenic Climate Change" (in en). Journal of Geophysical Research: Oceans 125 (5). doi:10.1029/2019JC015674. ISSN 2169-9275. Bibcode: 2020JGRC..12515674F. 
  33. ↑ "Record-breaking North Atlantic Ocean temperatures contribute to extreme marine heatwaves". European Commission. https://climate.copernicus.eu/record-breaking-north-atlantic-ocean-temperatures-contribute-extreme-marine-heatwaves. 
  34. ↑ 34.0 34.1 Salinger, M James; Renwick, James; Behrens, Erik; Mullan, A Brett; Diamond, Howard J; Sirguey, Pascal; Smith, Robert O; Trought, Michael C T et al. (2019-04-12). "The unprecedented coupled ocean-atmosphere summer heatwave in the New Zealand region 2017/18: drivers, mechanisms and impacts". Environmental Research Letters 14 (4): 044023. doi:10.1088/1748-9326/ab012a. ISSN 1748-9326. Bibcode: 2019ERL....14d4023S. http://stacks.iop.org/1748-9326/14/i=4/a=044023?key=crossref.d96f4fec24a74567c485ba8d1edb9ced. 
  35. ↑ 35.0 35.1 Galli, Giovanni; Solidoro, Cosimo; Lovato, Tomas (2017-05-11). "Marine Heat Waves Hazard 3D Maps and the Risk for Low Motility Organisms in a Warming Mediterranean Sea". Frontiers in Marine Science 4: 136. doi:10.3389/fmars.2017.00136. ISSN 2296-7745. 
  36. ↑ Wernberg, T.; Bennett, S.; Babcock, R. C.; de Bettignies, T.; Cure, K.; Depczynski, M.; Dufois, F.; Fromont, J. et al. (2016-07-08). "Climate-driven regime shift of a temperate marine ecosystem". Science 353 (6295): 169–172. doi:10.1126/science.aad8745. ISSN 0036-8075. PMID 27387951. Bibcode: 2016Sci...353..169W. 
  37. ↑ Garrabou, JoaquimExpression error: Unrecognized word "et". (18 July 2022). "Marine heatwaves drive recurrent mass mortalities in the Mediterranean Sea" (in en). Global Change Biology 28 (19): 5708–5725. doi:10.1111/gcb.16301. ISSN 1354-1013. PMID 35848527. 
  38. ↑ Naranjo, Laura (2 November 2018). "The blob | Earthdata". https://earthdata.nasa.gov/learn/sensing-our-planet/blob. 
  39. ↑ Saranya, J. S.; Roxy, M. K.; Dasgupta, Panini; Anand, Ajay (February 2022). "Genesis and Trends in Marine Heatwaves Over the Tropical Indian Ocean and Their Interaction With the Indian Summer Monsoon" (in en). Journal of Geophysical Research: Oceans 127 (2). doi:10.1029/2021JC017427. ISSN 2169-9275. Bibcode: 2022JGRC..12717427S. https://onlinelibrary.wiley.com/doi/10.1029/2021JC017427. 

External links



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