Tag

Ocean Warming

All articles tagged with #ocean warming

environment8 days ago•1 min saved

Oceans Absorb Record Heat, Accelerating Sea Level Rise and Ecosystem Collapse

The 10th Copernicus Ocean State Report reveals that global oceans absorbed a record 23 zettajoules of heat in 2025, equivalent to 40 times humanity's annual energy use. This thermal surge has accelerated sea level rise to 4.2mm per year since 2012 and increased ocean acidity by 17% since 1985. The report highlights severe ecosystem damage, including 84% of coral reefs experiencing bleaching stress and breeding failures for emperor penguins in Antarctica. While Europe faces intensified marine heatwaves and coastal erosion, a record-breaking El Niño is expected to further exacerbate these trends in 2026.

via theguardian.com|

#climate-change #copernicus-report #environment

climate9 days ago•208 min saved

Record Heat and Acidification Mark Tenth Copernicus Ocean Report

The tenth Copernicus Ocean State Report, released on September 30, 2026, warns that global oceans are transforming at an alarming rate. Data from over 40 years of satellites and buoys show that oceans absorbed a record 23 zettajoules of heat in 2025, equivalent to 40 times global energy consumption. Sea levels have risen by nearly 4 inches since 1999, with rates accelerating since 2012. Ocean acidity has increased by 17% since 1985, damaging marine ecosystems. A record-breaking El Niño is intensifying these trends, while European seas face extreme marine heatwaves and coastal erosion.

via CNN|

#climate #copernicus-report #marine-heatwaves

science16 days ago•3 min saved

Satellite Data Confirms 12 Trillion Tons of Ice Lost from Polar Sheets Since 1979

A new study confirms that Earth's Greenland and Antarctic ice sheets have lost 12 trillion tons of ice since 1979, contributing to a 31.4 mm rise in global sea levels. The loss is primarily driven by ocean warming accelerating glacier flow rather than surface melting.

via ScienceAlert|

#climate-change #glaciology #ocean-warming

environment26 days ago•3 min saved

El Niño warms SoCal waters, drawing tropical sea giants north

El Niño-driven warmth pushing near-80°F water along Southern California is luring tropical sea creatures closer to shore, with sightings of hammerheads, a whale shark, and rare rays (including endangered spinetail and bentfin devil rays) from Catalina to Malibu. Fishermen and divers describe the sightings as unusual and suggest more unusual visitors could appear as the warming trend continues.

via ABC7 Los Angeles|

#el-nino #environment #marine-life

science1 month ago•6 min saved

The Great Squid Boom: Climate Change and Overfishing Rewire Ocean Food Webs

New research suggests squid populations have expanded over the last century due to warmer seas and changes in predator abundance, but the rise isn’t a straightforward replacement for depleted fish stocks. Modeling shows predator loss boosts squid, yet warmer temperatures can reduce their biomass, and the rapid squid life cycle helps them exploit disturbed ecosystems. Overall, the mechanisms are still unclear and the findings come from a bioRxiv preprint, not yet peer-reviewed.

via ScienceAlert|

#cephalopods #ecosystem-modeling #ocean-warming

environment1 month ago•3 min saved

Record ocean heat hits new high as El Niño accelerates warming

Global ocean surface temperatures reached a record August average of 21.1C, boosted by a strong El Niño atop decades of human-caused warming. The heat drives more marine heatwaves, contributes to sea‑level rise and more extreme weather, and reduces the ocean’s capacity to absorb CO2. The Arctic is warming fastest, and scientists urge rapid fossil-fuel cuts and stronger protection of marine ecosystems to safeguard coastal communities.

via The Guardian|

#climate-change #el-nino #environment

science-and-environment1 month ago•9 min saved

Lobsters, warming seas and the hunt for an ocean carbon fix

New England lobsters face rising ocean temperatures and shrinking inshore stocks as scientists test ocean alkalinity enhancement (OAE) in the Gulf of Maine to boost the ocean’s carbon uptake and study its effects on lobsters and other marine life. The effort, under the LOC-NESS program, comes amid shifting funding—strong private and European backing countered by US cuts—raising questions about ecological risks and the role of geoengineering alongside urgent fossil-fuel reductions.

via The Guardian|

#gulf-of-maine #lobster-fishery #marine-carbon-removal

environment1 month ago•3 min saved

Warm European seas lure swimmers as ecosystems reel from warming, study finds

Europe’s oceans are warming rapidly due to climate change, adding about 2°C to the Mediterranean this summer and roughly 1.3–1.4°C to Western European waters, driving widespread marine heatwaves and ecological disruption. Species are shifting north, food webs are reassembling, and coastal fisheries and aquaculture face risks, with potential land heat implications from higher sea surface temperatures. While warmer seas may attract swimmers in cooler countries, the deeper ecological costs are substantial.

via Euronews.com|

#biodiversity #climate-change #environment

science2 months ago•5 min saved

Ancient Warming Event Shows Why Some Marine Life Survived Today’s Climate Crisis

Stanford-led researchers compared 38 marine species from Paleozoic and modern faunas and found that the end-Permian warming and ocean deoxygenation disproportionately hunted slow-metabolism Paleozoic organisms, while modern species were more tolerant of heat and low oxygen. The study (Marquez et al., PNAS, 2026) links temperature and oxygen sensitivity to survival during mass extinctions and suggests today’s warming could reach similar stress levels if emissions aren’t reduced, underscoring that humans can still change the trajectory.

via ScienceAlert|

#hypoxia #modern-fauna #ocean-warming

environment2 months ago•7 min saved

El Niño Could Upend California’s Crab and Salmon Fleets

With an 81% chance of a 'super' El Niño, researchers warn California’s crab and salmon fleets could face disruptions similar to 2015–16, as warmer oceans shift species, blunt juvenile salmon growth, and delay crab seasons (including toxic bloom-caused closures); relief funds for affected fishermen have often arrived only years later, threatening livelihoods.

via Los Angeles Times|

#california-fisheries #dungeness-crab #el-nino

weather2 months ago•16 min saved

Western Ridge Triggers Dual Southwest Heatwave Extending Into August as SoCal Remains Humid from Warm Seas

A strong western Pacific ridge, intensified by a developing strong El Niño and amplified by Hurricane Genevieve, is setting up a double-peaked heatwave across the Southwest into August. Unusually warm near‑shore ocean temperatures are keeping coastal SoCal humid and muggy, while record‑high 500 mb geopotential heights boost inland heat and could push Death Valley toward extreme temperatures. Nights may stay warm (often above 70–75F), increasing health risks and wildfire risk as fuels dry, with monsoon moisture possible only in brief, limited bursts and the pattern likely persisting into autumn.

via Weather West|

#el-nino #heatwave #ocean-warming

weather2 months ago•7 min saved

LA's Summer Humidity Rises: Warmer Ocean Waters and Persistent High Pressure Drive Muggy Nights

Southern California is experiencing unusually humid summer due to a persistent high-pressure pattern, near-record warm coastal ocean waters, and tropical moisture, which have raised dew points to 65–70°F and made nights uncomfortable; scientists warn such humid periods may become more common as oceans warm, though not every year.

via LA Public Press|

#climate-change #dew-point #humidity

science2 months ago•8 min saved

Metabolism Decides Survival in Earth's Great Ocean Catastrophe

A Stanford-led study of the end-Permian mass extinction (the Great Dying) finds that survival hinged on metabolism: species with faster metabolisms could cope with warmer, oxygen-poor oceans, while slow-metabolizing brachiopods perished, leaving mollusks, fish, and echinoderms to dominate. The research links oxygen demand to warming and acidification, suggesting metabolism as a predictor of which modern ocean species may endure or vanish under current climate change.

via A-Z Animals|

#great-dying #metabolism #ocean-warming

science2 months ago•8 min saved

Metabolism and Oxygen Rates Shaped Survival in Earth's Greatest Mass Extinction

A Stanford-led study shows that during the Permian–Triassic extinction about 252 million years ago, rapid warming and falling oxygen favored more metabolically active animals with efficient oxygen uptake (like mollusks) over slow, low-energy groups (such as brachiopods), helping explain why clams and snails survived while many ancient rivals vanished and highlighting how current ocean warming could drive similar patterns.

via SciTechDaily|

#brachiopods #great-dying #metabolism

science3 months ago•11 min saved

Tiny ocean warming could trigger irreversible West Antarctic collapse

A modelling study suggests the West Antarctic Ice Sheet could begin an irreversible collapse with as little as 0–0.25°C more warming at depth, after which the process would be self-propagating and could push global sea levels up by about four metres over centuries—continuing even if warming ceases; the result is not consensus but highlights a fast trigger and long-lasting coastal risks, particularly around the Amundsen Sea region.

via Space Daily|

#marine-ice-sheet-instability #ocean-warming #science