Current Ocean Acidification News and Events

Current Ocean Acidification News and Events, Ocean Acidification News Articles.
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Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution
Air-sea coupling improves the simulation of the western North Pacific summer monsoon in the WRF4 model at a synoptic scale resolving resolution (2020-11-25)

Ice sheets on the move: how north and south poles connect
Over the past 40,000 years, ice sheets thousands of kilometres apart have influenced one another through sea level changes, according to research published today in Nature. New modelling of ice sheet changes during the most recent glacial cycle by a McGill-led team demonstrates, for the first time, that during this period, changes in the Antarctic ice sheet were driven by the melting ice sheets in the Northern Hemisphere. (2020-11-25)

WSU scientists discover new, simple way to classify marine biomes
Washington State University scientists have developed a new way to classify the ocean's diverse environments, shedding new light on how marine biomes are defined and changed by nature and humans. (2020-11-20)

A long distance connection: polar climate affects trade wind strength in tropics
The impact of sea surface temperature variations in the tropical Pacific on global climate has long been recognized. For instance, the episodic warming of the tropical Pacific during El Niño events causes melt of sea ice in far-reaching parts of the Southern Ocean via its effect on the global atmospheric circulation. A new study, published this week in the journal Science Advances by an international team, demonstrates that the opposite pathway exists as well. (2020-11-20)

Synthesis study demonstrates phytoplankton can bloom below Arctic sea ice
Researchers used historical scientific studies, along with contemporary observations employing autonomous floats and robotic vehicles, to demonstrate that phytoplankton blooms occur under Arctic Ocean sea ice. Previously, scientists had assumed that was impossible due to low-light conditions, particularly when ice cover was thicker before climate change. The synthesis of more than half a century of research on under-ice blooms suggests that modern computer models underestimate the contribution of microscopic algae to the Arctic carbon cycle. (2020-11-19)

Could kelp help relieve ocean acidification?
A new analysis of California's Monterey Bay evaluates kelp's potential to reduce ocean acidification, the harmful fallout from climate change on marine ecosystems and the food they produce for human populations. (2020-11-19)

Volcanic eruptions have more effect in summer
Modeling shows that volcanic eruptions can cause changes in global climate, if the timing is right. (2020-11-18)

Reducing aerosol pollution without cutting carbon dioxide could make the planet hotter
Humans must reduce carbon dioxide and aerosol pollution simultaneously to avoid weakening the ocean's ability to keep the planet cool, new UC Riverside research shows. (2020-11-17)

Study improves ability to predict how whales travel through their ocean habitat
Scientists at the New England Aquarium's Anderson Cabot Center for Ocean Life recently published a study that could help researchers learn where protections are needed the most for bowhead whales. (2020-11-17)

Large predatory fish thrive on WWII shipwrecks off North Carolina coast
Results of an expedition to a sunken U-boat and Nicaraguan freighter, published this week in Ecosphere, offer a detailed glimpse into unexpected ''islands of habitat.'' (2020-11-17)

Recent climate extremes have driven unprecedented changes in the deep ocean
New measurements reveal a surprising increase in the amount of dense water sinking near Antarctica, following 50 years of decline. (2020-11-16)

Love waves from the ocean floor
Supercomputer simulations of planetary-scale interactions show how ocean storms and the structure of Earth's upper layers together generate much of the world's seismic waves. Decoding the faint but ubiquitous vibrations known as Love waves could yield insights about Earth's storm history, changing climate and interior. (2020-11-13)

Atmospheric rivers help create massive holes in Antarctic sea ice
Warm, moist rivers of air in Antarctica play a key role in creating massive holes in sea ice in the Weddell Sea and may influence ocean conditions around the vast continent as well as climate change, according to Rutgers co-authored research. (2020-11-11)

COVID-delayed Arctic research cruise yields late-season data
Researchers studying the Bering and Chukchi seas for three weeks in October found no ice and a surprisingly active ecosystem as they added another year's data to a key climate change record. The research vessel Norseman II carried scientists from the University of Alaska Fairbanks, the University of Maryland Center for Environmental Science and Clark University. (2020-11-11)

Researchers model source of eruption on Jupiter's moon Europa
A new model shows how brine on Jupiter's moon Europa can migrate within the icy shell to form pockets of salty water that erupt to the surface when freezing. The findings, which are important for the upcoming Europa Clipper mission, may explain cryovolcanic eruptions across icy bodies in the solar system. (2020-11-10)

Cutting emissions makes North Atlantic focus of ocean heat uptake under global warming
Scientists discover an obvious hemispheric asymmetry in Ocean Heat Undertake (OHU) under the low-emission scenario. In the long term, North Atlantic OHU keeps increasing and will become the main region of OHU. (2020-11-09)

A better understanding of coral skeleton growth suggests ways to restore reefs
In a new study, University of Wisconsin-Madison physicists observed reef-forming corals at the nanoscale and identified how they create their skeletons. The results provide an explanation for how corals are resistant to acidifying oceans and suggest that controlling water temperature, not acidity, is crucial to mitigating loss and restoring reefs. (2020-11-09)

Plastics and rising CO2 levels could pose combined threat to marine environment
An international team of scientists found that after three weeks of being submerged in the ocean, the bacterial diversity on plastic bottles was twice as great as on samples collected from the surrounding seawater (2020-11-06)

Rivers melt Arctic ice, warming air and ocean
A new study shows that increased heat from Arctic rivers is melting sea ice in the Arctic Ocean and warming the atmosphere. (2020-11-06)

Study projects more rainfall in Florida during flooding season
A new study by researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science projects an increase in Florida's late summertime rainfall with rising Atlantic Ocean temperatures. (2020-11-06)

The first duckbill dinosaur fossil from Africa hints at how dinosaurs once crossed oceans
The first fossils of a duckbilled dinosaur have been discovered in Africa, suggesting dinosaurs crossed hundreds of kilometres of open water to get there. (2020-11-05)

Keeping our cool
Fossil fuel burning accounts for the majority of global greenhouse gas emissions, and to the world's credit, several countries are working to reduce their use and the heat-trapping emissions that ensue. The goal is to keep global temperatures under a 1.5° to 2°C increase above preindustrial levels -- the upper limits of the Paris Climate Agreement. (2020-11-05)

DNA in seawater can reveal fish diversity in the deep ocean
A new study demonstrates the effectiveness of a novel method for using DNA in seawater samples to determine which fish species are present in a given part of the deep sea. A team of scientists from eDNAtec Inc. and colleagues from Fisheries and Oceans Canada and Memorial University present these findings in the open-access journal PLOS ONE on November 4. (2020-11-04)

Ninety years of data shows global warming impacts on foundation of marine ecosystems
Phytoplankton are microscopic plants that underpin ocean productivity and provide 50% of the world's oxygen via photosynthesis. An investigation of a 90 year data set from a coastal station offshore from Sydney provides a unique opportunity to better predict the impact of global warming on future ocean phytoplankton communities, on biodiversity and ultimately fisheries production. (2020-11-01)

Plankton turn hunters to survive dinosaur-killing asteroid impact
New research by an international team of scientists shows how marine organisms were forced to 'reboot' to survive following the asteroid impact 66 million years ago which killed three quarters of life on earth. (2020-10-30)

To survive asteroid impact, algae learned to hunt
Tiny, seemingly harmless ocean plants survived the darkness of the asteroid strike that killed the dinosaurs by learning a ghoulish behavior -- eating other living creatures. (2020-10-30)

Seesaw of Indo-Pacific summer monsoons triggered by the tropical Atlantic Ocean
The increasing influences from the tropical Atlantic sea surface temperature could trigger the observed multidecadal seesaw of Indo-Pacific summer monsoons in terms of their intensity of interannual variability and monsoon-ENSO biennial relationship variability. (2020-10-29)

The future is now: long-term research shows ocean acidification ramping up on the Reef
A new study has shown ocean acidification is no longer a sombre forecast for the Great Barrier Reef but a present-day reality. The study shows seawater carbon dioxide on the Reef has risen 6 per cent in ten years, matching the rate of carbon dioxide increases in the atmosphere. (2020-10-28)

Fish banks
Society will require more food in the coming years to feed a growing population, and seafood will likely make up a significant portion of it. At the same time, we need to conserve natural habitats to ensure the health of our oceans. It seems like a conflict is inevitable. (2020-10-28)

Leaving more big fish in the sea reduces CO2 emissions
Leaving more big fish--like tuna, sharks, mackerel and swordfish--in the sea reduces the amount of carbon dioxide (CO2) released into the Earth's atmosphere.This is because when a fish dies in the ocean it sinks to the depths and sequestrates all the carbon it contains with it. This is a form of 'blue carbon'. Big fish are about 10 to 15 percent carbon. (2020-10-28)

Study finds seabird ecosystem shift in Falkland islands
The 14,000-year-old record raises a very troubling question about where seabirds in the South Atlantic and Southern Ocean will go as the climate continues to warm. (2020-10-28)

Cauliflower coral genome sequenced
A newly sequenced coral genome offers tools to understand environmental adaptation. (2020-10-27)

Photovoltaics industry can help meet Paris agreement targets
To meet the Paris Agreement's goal of preventing Earth's average temperature from rising more than 2 degrees Celsius above preindustrial level, one of the best options for the energy economy will involve a shift to 100% renewable energy using solar energy and other clean energy sources. In the Journal of Renewable and Sustainable Energy, researchers describe a model developed to predict what is necessary for the solar industry to meet Paris Agreement targets. (2020-10-27)

Coastal Greenland reshaped as Greenland ice sheet mass loss accelerates
Ice loss from the Greenland Ice Sheet has accelerated significantly over the past two decades, transforming the shape of the ice sheet edge and therefore coastal Greenland. (2020-10-27)

The uncertain future of the oceans
Marine food webs and biogeochemical cycles react very sensitively to the increase in carbon dioxide (CO2) - but the effects are far more complex than previously thought. This is shown in a study published by a team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel in the journal Nature Climate Change. Data were combined from five large-scale field experiments, which investigated how the carbon cycle within plankton communities reacts to the increase of CO2. (2020-10-26)

Metal deposits from Chinese coal plants end up in the Pacific Ocean, USC research shows
Emissions from coal-fired power plants in China are fertilizing the North Pacific Ocean with a metal nutrient important for marine life, according to new findings from a USC-led research team. The researchers believe these metals could change the ocean ecosystem, though it's unclear whether it would be for better or worse. (2020-10-23)

Ice loss likely to continue in Antarctica
A new international study led by Monash University climate scientists has revealed that ice loss in Antarctica persisted for many centuries after it was initiated and is expected to continue. (2020-10-21)

Declines in shellfish species on rocky seashores match climate-driven changes
Mussels, barnacles, and snails are declining in the Gulf of Maine, according to a new paper by biologists Peter Petraitis of the University of Pennsylvania and Steve Dudgeon of California State University, Northridge. Their 20-year dataset reveals that the populations' steady dwindling matches up with the effects of climate change on the region. (2020-10-20)

Depths of the Weddell Sea are warming five times faster than elsewhere
Over the past three decades, the depths of the Antarctic Weddell Sea have warmed five times faster than the rest of the ocean at depths exceeding 2,000 metres. This was the main finding of an article just published by oceanographers from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI). (2020-10-20)

Lost and found: UH geologists 'resurrect' missing tectonic plate
A team of geologists at the University of Houston College of Natural Sciences and Mathematics believes they have found the lost plate known as Resurrection in northern Canada by using existing mantle tomography images. (2020-10-20)

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