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See searches and references containing MARINE HEATWAVE!MARINE HEATWAVE
Unusually warm temperature event in the ocean
A marine heatwave is a period of abnormally high sea surface temperatures (SST) compared to typical temperatures for a particular season and locale. Marine
Marine_heatwave
Prolonged period of excessively hot weather
A heat wave or heatwave, sometimes described as extreme heat, is a period of abnormally hot weather that lasts for multiple days. A heat wave is usually
Heat_wave
Heatwaves in Europe in 2026
that temperature in a single year. The length of this heatwave has led to 'extreme' marine heatwaves, affecting the southern North Sea and parts of the English
2026_European_heatwaves
record-breaking heatwaves, forming the western extent of a broader sequence of extreme heat events across Western and Central Europe. The first heatwave started
2026_United_Kingdom_heatwaves
Species of bird
impacts of the 2014–2016 northeast Pacific marine heatwave on seabird demography in Cook Inlet, Alaska (USA)". Marine Ecology Progress Series. 737: 121–136
Common_murre
most important is an increase in ocean temperatures. More frequent marine heatwaves are linked to this. The rising temperature contributes to a rise in
Effects of climate change on oceans
Effects_of_climate_change_on_oceans
Warm water mass off the Pacific Northwest coast
continued to spread throughout 2014 and 2015. It is an example of a marine heatwave. Sea surface temperatures indicated that the Blob persisted into 2016
The_Blob_(Pacific_Ocean)
Topics referred to by the same term
MHW may be an abbreviation for: Marine heatwave Mbukushu language (ISO 639 code: mhw), spoken in Namibia Mean high water Mental health worker, a medical
MHW
atmospheric heatwave of the year across southern England, pushing temperatures to 35 °C (95 °F). Simultaneously, an "extreme" Category 3 to 4 marine heatwave develops
Weather_of_2026
Sea between Africa, Asia, and Europe
3989/SCIMAR.04025.21A. S2CID 39347699. "Marine heatwave: Record sea temperatures seen in the Mediterranean could devastate marine life". interestingengineering
Mediterranean_Sea
World Heritage Site and coral reef in Western Australia
In 2011 and 2025, the reef was hit by bleaching events caused by marine heatwaves. The coast and reef draw their name from the Wajarri language word
Ningaloo_Coast
Natural disasters
The 2024 European heatwaves began with a spring heatwave, then progressed from June. They broke several regional temperature records across multiple nations
2024_European_heatwaves
Genus of crabs
the Bering Sea. The driver of this trend was the northeast Pacific marine heatwave, which contributed to significant die-offs in a number of species.
Chionoecetes
Harmful algal bloom event
in summer 2023-24 that lifted more nutrients to the surface; and a marine heatwave that has occurred since September 2024. These changes, particularly
2025 algal bloom in South Australia
2025_algal_bloom_in_South_Australia
Flash flood at Grand Canyon National Park
environmental conditions including the Arizona monsoon, Godzilla El Niño, a marine heatwave, a global warming heat spike, and an inland heat dome drawing in atmospheric
2026_Grand_Canyon_flood
Disappearance of a species from a specific area
"Local Extinction of Bull Kelp (Durvillaea spp.) Due to a Marine Heatwave". Frontiers in Marine Science. 6 84. Bibcode:2019FrMaS...6...84T. doi:10.3389/fmars
Local_extinction
Informal classification of marine mammals, closely related to whales and porpoises
bottlenose dolphin population had a significant decline after a marine heatwave in 2011. This heatwave caused a decrease in prey, which led to a decline in dolphin
Dolphin
Phenomenon where corals expel algae tissue
mortalities from marine heatwaves. It is expected that many coral reefs will "undergo irreversible phase shifts due to marine heatwaves with global warming
Coral_bleaching
Method to regenerate life in the ocean
overturning circulation processes of ocean upwelling and mitigating against marine heatwaves that have led to ocean stratification and decimated natural macroalgae
Marine_permaculture
English Australian marine biologist
the Oceans 2021 on NAT GEO TV 'Rapid coral decay is associated with marine heatwave mortality events on reefs', 2019, Vol:19, Cited by 155, William P Leggat
Emma_Camp
biomes Deep-sea exploration Garbage patch Great Pacific Garbage Patch Marine heatwave Oceanic carbon cycle Offshore construction Ocean exploration Special
Human_impact_on_marine_life
Natural disaster
Najafgarh also neared 50 °C on 28 May. There were more than twice as many heatwave days recorded in northwestern and eastern parts of the country than usual
2024_Indian_heat_wave
Human-caused changes to climate on Earth
makes it harder for marine calcifying organisms such as mussels, barnacles and corals to produce shells and skeletons; and heatwaves have bleached coral
Climate_change
only 0.2% of the world's coral reefs would still be able to withstand marine heatwaves, as opposed to 84% being able to do so now, with the figure dropping
Effects of climate change on biomes
Effects_of_climate_change_on_biomes
Sinlaku in April and Major Hurricane Genevieve in July. Sustained marine heatwaves across the Northern Hemisphere during the northern summer contributed
Tropical_cyclones_in_2026
New Zealand natural disaster
Lucy (16 January 2023). "New Zealand's southern waters experiencing marine heatwave". Reuters. Retrieved 31 January 2023. Mayron, Sapeer; Halpin, James;
2023 Auckland Anniversary Weekend floods
2023_Auckland_Anniversary_Weekend_floods
French politician (born 1986)
Marine Tondelier (French pronunciation: [maʁin tɔ̃dəlje]; born 23 August 1986) is a French left-wing politician and national secretary of The Ecologists
Marine_Tondelier
Severe heatwave in India and Pakistan
Department warning citizens to prepare for an "above-normal number of heatwave days" throughout April. Meteorologists characterized the 2025 heat wave
2025_India–Pakistan_heat_wave
Wildland-ocean interface
by global warming. They are one of the most vulnerable marine ecosystems. Due to marine heatwaves that have high warming levels coral reefs are at risk
Marine_coastal_ecosystem
Europe 1540 European drought – Extreme drought and heatwave lasting 11 months in Europe. July 1743 heatwave in China – Beijing reached 44.4 °C (111.9 °F) on
List_of_heat_waves
Body of salt water covering most of Earth
most important is an increase in ocean temperatures. More frequent marine heatwaves are linked to this. The rising temperature contributes to a rise in
Ocean
Dependent territory of New Zealand in the southern Pacific Ocean
International Aotearoa indicated the reefs showed signs of recovery after a marine heatwave and widespread coral bleaching in the region. Tokelau's economy is
Tokelau
term concern as a result. The effects of ocean warming also include marine heatwaves, ocean stratification, deoxygenation, and changes to ocean currents
Effects_of_climate_change
Australian heatwave expert
events, as well as, heatwaves, and extreme heat events. She has recently worked in marine heatwaves, such as the marine heatwave along the coast of South-East
Sarah_Perkins-Kirkpatrick
Difference of a temperature from a reference value
themselves probabilities that they will occur. Extreme weather Heat wave Marine heatwave "Global Surface Temperature Anomalies / Background Information - FAQ"
Temperature_anomaly
Coral barrier reef along the Florida Keys
2023. Retrieved August 10, 2023. "Marine Heatwave and Coral Bleaching Response FAQs". Florida Keys National Marine Sanctuary. Retrieved May 3, 2026. Kozin
Florida_Reef
Large body of salt water
temperature as well as ocean temperatures at greater depths, more frequent marine heatwaves, a reduction in pH value, a rise in sea level from ocean warming and
Sea
Field of study in meteorology and climate science
three times more likely and 15% more intense 2017-2018 Tasman Sea marine heatwave: overall intensity was "virtually impossible" without anthropogenic
Extreme_event_attribution
conditions, and is responsible for a 1 °C increase in maximum intensity of marine heatwave events. 10 May: a study published in AGU Advances said that observations
2025_in_climate_change
Water temperature close to the ocean's surface
Halocline – Stratification of a body of water due to salinity differences Marine heatwave – Unusually warm temperature event in the ocean Ocean heat content –
Sea_surface_temperature
Genus of seaweeds
of physiological stress and disturbance for members of the genus. A marine heatwave in the summer of 2017/18 appears to have caused the local extinction
Durvillaea
Species of fish
endangered than currently assumed as a result of climate change-induced marine heatwaves on the Great Southern Reef. Edgar et al (2023) suggest that citizen
Common_seadragon
Species of dinoflagellate
responsible. In March 2025, a marine heatwave-induced bloom of Karenia mikimotoi was blamed for the deaths of thousands of marine creatures, as well as coughing
Karenia_mikimotoi
Physical quantity of hot and cold in ocean water
Global surface temperature – Average temperature of the Earth's surface Marine heatwave – Unusually warm temperature event in the ocean Ocean current – Directional
Ocean_temperature
Capital and largest city of Timor-Leste
of Four Coral Reefs in Timor-Leste before and after the 2016–2017 Marine Heatwave" (PDF). Oceans. 3 (2): 164. doi:10.3390/oceans3020012. Archived (PDF)
Dili
Coral reef system in Queensland, Australia
which increases coral bleaching. Mass coral bleaching events due to marine heatwaves occurred in the summers of 1998, 2002, 2006, 2016, 2017 and 2020, and
Great_Barrier_Reef
Weather modification that condenses clouds to cause rainfall
protect Great Barrier Reef from coral bleaching and dieoff during marine heatwaves. Using two high-pressure turbines, the team sprayed microscopic droplets
Cloud_seeding
Climate mode in the North Pacific
event in 2014 significantly influenced the 2013–2015 North Pacific marine heatwave, which had significant impacts on the ocean off the west coast of North
Pacific_Meridional_Mode
American research ecologist
September 27). Mass coral bleaching due to unprecedented marine heatwave in Papahānaumokuākea Marine National Monument (Northwestern Hawaiian Islands). PLoS
Randall_K._Kosaki
New Zealand evolutionary-genomics researcher
PMID 40032860. Greenhough, H. (2025). "Multi-stressor dynamics: effects of marine heatwave stress and harmful algal blooms on juvenile mussel (Perna canaliculus)
Nathan_Kenny
Geographically located ocean measurement site
captured ecological impacts of major climate events such as the 2014-2015 marine heatwave known as the Blob. Ocean Station Papa was first established on 19 December
Station P (ocean measurement site)
Station_P_(ocean_measurement_site)
Type of adverse event
Press: Cambridge and New York, pp. 3–33, doi:10.1017/9781009325844.001. Marine heatwaves in the Mediterranean Sea and beyond - an overview. 2024. pp. 5–24 in
Natural_disaster
2016–2017 Marine Heatwave". Oceans. 3 (2): 147–171. Bibcode:2022Oce.....3..147K. doi:10.3390/oceans3020012. ISSN 2673-1924. "Timor-Leste's incredible marine life
Geography_of_Timor-Leste
Special Administrative Region in Timor-Leste
2025-07-04. "The condition of coral reefs in Timor-Leste before and after the 2016–2017 marine heatwave". Oecusse Industrial International Economic Zone
Oecusse Industrial (International) Special Economic Zone
Oecusse_Industrial_(International)_Special_Economic_Zone
Genus of birds
diving petrels (Pelecanoides urinatrix): A framework for evaluating marine heatwave impacts (2nd ed.). New Zealand. p. 14. Retrieved 6 July 2026.{{cite
Diving_petrel
Oceanic division
Ocean into a basin-wide near-permanent heatwave state by the end of the 21st century, where marine heatwaves are projected to increase from 20 days per
Indian_Ocean
Island country in the Indian Ocean
tropical cyclones, prolonged droughts, flash floods, landslides, and marine heatwaves which leading to coral bleaching. Coastal erosion, driven by rising
Mauritius
Species of fish
A. ocellaris does not have thick black edging outlining the fins. Marine heatwaves are known for negatively effecting the growth patterns of species of
Orange_clownfish
Proposed geologic epoch
term concern as a result. The effects of ocean warming also include marine heatwaves, ocean stratification, deoxygenation, and changes to ocean currents
Anthropocene
PMC 9253148. PMID 35788585. "Marine heatwave: Record sea temperatures seen in the Mediterranean could devastate marine life". interestingengineering
Meteorology in the 21st century
Meteorology_in_the_21st_century
Species of gastropod
America, from California to Baja California. In 2013 to 2015, the marine heatwave given the name the Blob was documented to have allowed for a northern
Thylacodes_squamigerus
Seasonal upwelling system in the eastern Great Australian Bight
an upwelling event in 2023-2024 coinciding with a 2.5 °C (4.5 °F) marine heatwave, impacted local fisheries, aquaculture and tourism industries. However
Great South Australian Coastal Upwelling System
Great_South_Australian_Coastal_Upwelling_System
New Zealand climatologist (born 1947)
over coming months was now highly likely, while the potential for a marine heatwave certainly has our attention". In October 2020, a major forest fire
Jim_Salinger
Professor of Oceanography
and their interactions with the coastal ocean. She is an expert in marine heatwaves, dynamics of coastal ocean circulation, nutrient enrichment processes
Moninya_Roughan
Species of whale found in the North Atlantic Ocean
predicted to shift more often and to greater intensities (so-called marine heatwaves). These shifts will likely greatly affect the abundance of zooplankton
North_Atlantic_right_whale
American ecologist and conservation biologist
seawater off California, the presence of harmful algal blooms, and marine heatwaves. Through the collection of data from volunteers, Parrish was able to
Julia_Parrish
Sea in northern Europe
areas, more mild winters, raised mean water temperature with more marine heatwaves, intensified seasonal thermoclines without change in the thermohaline
Baltic_Sea
tropical cyclones, prolonged droughts, flash floods, landslides, and marine heatwaves which leading to coral bleaching. Coastal erosion, driven by rising
Geography_of_Mauritius
Ecological communities abruptly losing biodiversity, often irreversibly
only 0.2% of the world's coral reefs would still be able to withstand marine heatwaves, as opposed to 84% being able to do so now, with the figure dropping
Ecosystem_collapse
Ongoing marine ecosystem phenomenon
Healthy Reefs for Healthy People marine researcher Melanie McField stated that the prolonged and more intense marine heatwaves responsible for the bleaching
2023–2025 global coral bleaching event
2023–2025_global_coral_bleaching_event
and artisanal sector. Longer, more intense El Niño events related to marine heatwaves reduce anchoveta landings. Warmer waters hold less oxygen, and smaller
Fishing_industry_in_Peru
(2024-10-14). "Selective breeding enhances coral heat tolerance to marine heatwaves". Nature Communications. 15 (1): 8703. Bibcode:2024NatCo..15.8703H
Coral_reef_restoration
Emissions, effects, and responses of Ireland related to climate change
(extreme) marine heatwave in Irish waters, with some regions experiencing a Category 5 (beyond extreme) increase in temperatures. During this heatwave sea surface
Climate change in the Republic of Ireland
Climate_change_in_the_Republic_of_Ireland
Atmospheric constituent and greenhouse gas
most important is an increase in ocean temperatures. More frequent marine heatwaves are linked to this. The rising temperature contributes to a rise in
Carbon dioxide in the atmosphere of Earth
Carbon_dioxide_in_the_atmosphere_of_Earth
Underwater areas highly dense with kelp
2010s, Northern California lost 95% of its kelp ecosystems due to marine heatwaves. Kelp bed recovery efforts in California are primarily focusing on
Kelp_forest
Canadian marine biologist
Foundation for Innovation to create a marine ecology and conservation centre. Following the 2015–2016 Marine heatwave that caused mass coral bleaching and
Julia_K._Baum
Decrease of pH levels in the ocean
due to internal homeostasis regulation; this makes thermal change (marine heatwaves), which leads to coral bleaching, rather than acidification, the main
Ocean_acidification
Developing countries that are small island countries
especially vulnerable to the marine effects of climate change like sea level rise, ocean acidification, marine heatwaves, and the increase in cyclone
Small Island Developing States
Small_Island_Developing_States
PMC 9253148. PMID 35788585. "Marine heatwave: Record sea temperatures seen in the Mediterranean could devastate marine life". interestingengineering
Weather_of_2022
UN goal to combat climate change
top left: Wildfire intensified by heat and drought, worsening droughts compromising water supplies, and bleaching of coral caused by marine heatwaves
Sustainable Development Goal 13
Sustainable_Development_Goal_13
Change to the environment that destabilizes the continued survival of a population
only 0.2% of the world's coral reefs would still be able to withstand marine heatwaves, as opposed to 84% being able to do so now, with the figure dropping
Ecological_crisis
2022. Retrieved 21 August 2022. "Marine heatwave: Record sea temperatures seen in the Mediterranean could devastate marine life". interestingengineering
2022_in_climate_change
Scientific study of the ocean
carbon cycle, the water cycle, Arctic sea ice decline, coral bleaching, marine heatwaves, extreme weather, coastal erosion and many other phenomena in regards
Oceanography
1038/s41550-022-01730-y. S2CID 250626810. "Marine heatwave: Record sea temperatures seen in the Mediterranean could devastate marine life". interestingengineering
2022_in_science
Annual prizes awarded by the Australian Museum
Heritage - Eureka Prize for Environmental Research 200 divers changing marine science Professor Graham Edgar and Dr Rick Stuart-Smith, University of Tasmania
Eureka_Prizes
Species of clam
from further south, then being transported to Naples Point during marine heatwaves from 2014 to 2016. Cymatioa cookae moves by extending its long foot
Cymatioa_cookae
Form of travel and tourism without damage to nature or cultural area
developing States and least developed countries from the sustainable use of marine resources, including through sustainable management of fisheries, aquaculture
Sustainable_tourism
List of heat waves
Index. The heatwaves were also occurring alongside some unusually heavy flooding (i.e. the 2023 European floods). In response to the heatwave some leaders
2023_heat_waves
Cultivation of seaweed
2010s, Northern California lost 95% of its kelp ecosystems due to marine heatwaves. Kelp bed recovery efforts in California are primarily focusing on
Aquaculture_of_giant_kelp
River in Timor-Leste
of Four Coral Reefs in Timor-Leste before and after the 2016–2017 Marine Heatwave" (PDF). Oceans. 3 (2): 150. Bibcode:2022Oce.....3..147K. doi:10.3390/oceans3020012
Comoro_River
2019 IPCC report
system." The rate of ocean warming has "more than doubled" since 1993. Marine heatwaves are increasing in intensity and since 1982, they have "very likely
Special Report on the Ocean and Cryosphere in a Changing Climate
Special_Report_on_the_Ocean_and_Cryosphere_in_a_Changing_Climate
2012 underwater volcano north-east of New Zealand and a three-year, marine heatwave in the Bering Sea known as The Blob. Rando, Juan Carlos; Alcover, Josep
2013 in birding and ornithology
2013_in_birding_and_ornithology
Marine protected area in the Atlantic
Island Marine Protected Area, video abstract of de Mora et al. 2024 Youtube: Sonification of marine heatwaves in the Ascension Island Marine Protected
Ascension Island Marine Protected Area
Ascension_Island_Marine_Protected_Area
Umbrella term for maritime issues
higher ocean temperatures, marine heatwaves, melting ice, sea-level rise and ocean acidification. These changes affect marine ecosystems, coastal communities
Maritime_security
including sea level rise, extreme sea levels, tropical cyclones, marine heatwaves, and ocean acidification. A common feature of SIDS is a high ratio
Effects of climate change on small island countries
Effects_of_climate_change_on_small_island_countries
Oceanographer
circulation alter the oxygen levels in seawater and how marine heatwaves will impact marine ecosystems. In ongoing policy discussions, Thompson seeks
LuAnne_Thompson
Risk of plant or animal species becoming extinct due to climate change
only 0.2% of the world's coral reefs would still be able to withstand marine heatwaves, as opposed to 84% being able to do so now, with the figure dropping
Extinction risk from climate change
Extinction_risk_from_climate_change
Overview of the events of 2023 in science
security). 6 January An international collaboration shows that hidden marine heatwaves, associated with ocean eddies that modulate undersea internal waves
January–March_2023_in_science
Component of the World Climate Research Programme
engage new scientists. The current RFs are: Tropical Basin Interaction Marine Heatwaves in the Global Ocean VAMOS Ocean-Cloud-Atmosphere-Land Study "About
CLIVAR
Marginal sea of the Arctic Ocean
accelerates, the risk of more severe Eurasian winter extremes diminishes while heatwave risk in the spring and summer is magnified. The Barents Sea was formerly
Barents_Sea
travel, tourism, insurance
MARINE HEATWAVE
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travel, tourism, insurance