Sentences with phrase «impacts of warmer oceans»

While more extreme storms and rising sea levels are some of the impacts of warmer oceans, rising CO2 levels and the resulting warmer oceans are impacting ocean health itself.

Many reefs, from islands in the South Pacific to the Florida Keys, have felt the impacts of the warmer oceans.

Not exact matches

In the current context of global warming it is important to assess the impacts that changes in ocean and climate may have on Antarctica, and reconstructing past climate fluctuations provides vital information on the responses and possible feedback mechanisms within the climate system.

«This study focused on one single stressor, ocean acidification, but we must keep in mind that the combination of several stressors, such as ocean acidification and warming could lead to larger impacts on baby corals,» Dr Moya says.

Koslow has researched the impact of climate - change - driven warming on what are known as oxygen minimum zones (OMZs), naturally occurring low - oxygen regions found well below the ocean's surface.

In this regard, one of the key questions is: How will the warming of the oceans and resultant decrease in dissolved oxygen impact marine life forms» productivity?

The extensive methane seep mounds across the remote arctic island of Ellef Ringnes may be a caution from the past regarding potential impacts of modern warming of the Arctic Ocean.

One of the biggest lingering issues in the global warming slowdown is the full impact of the natural temperature cycles of Earth's oceans.

Similar frozen methane hydrates occur throughout the same arctic region as they did in the past, and warming of the ocean and release of this methane is of key concern as methane is 20x the impact of CO2 as a greenhouse gas.

New research into the impact of climate change has found that warming oceans will cause profound changes in the global distribution of marine biodiversity.

Taylor and her colleagues also tested water temperature and pH levels in the laboratory to study the impact of ocean warming and acidification on the exoskeletons of several species of crustacean.

The projected impacts of a warming atmosphere and oceans on the Earth's hydrological cycle — dry regions likely becoming drier, while wet ones become more wet — will likely exacerbate this already dire situation.

Retreating sea ice in the Iceland and Greenland Seas may be changing the circulation of warm and cold water in the Atlantic Ocean, and could ultimately impact the climate in Europe, says a new study by an atmospheric physicist from the University of Toronto Mississauga (UTM) and his colleagues in Great Britain, Norway and the United States.

Changes to Antarctic winds have already been linked to southern Australia's drying climate but now it appears they may also have a profound impact on warming ocean temperatures under the ice shelves along the coastline of West and East Antarctic.

Unexpectedly, this more detailed approach suggests changes in Antarctic coastal winds due to climate change and their impact on coastal currents could be even more important on melting of the ice shelves than the broader warming of the ocean.

At a global scale, the increased melting of the ice sheet contributes to rising sea level and may impact global ocean circulation patterns through the so - called «thermohaline circulation'that sustains among others, the Gulf Stream, which keeps Europe warm.

The area boasts the world's warmest ocean temperatures and vents massive volumes of warm gases from the surface high into the atmosphere, which may shape global climate and air chemistry enough to impact billions of people worldwide.

It's unclear whether this year's strong El Niño event, which is a naturally occurring phenomenon that typically occurs every two to seven years where the surface water of the eastern equatorial Pacific Ocean warms, has had any impact on the Arctic sea ice minimum extent.

Predicting the impact of climate change on ecological communities is tricky, but predicting the impact of El Niño, the cyclical warming in the Pacific Ocean that affects temperature and rainfall around the globe, is even trickier.

«Atlantic / Pacific ocean temperature difference fuels US wildfires: New study shows that difference in water temperature between the Pacific and the Atlantic oceans together with global warming impact the risk of drought and wildfire in southwestern North America.»

«There are characteristic patterns of increase and decrease, for example, in response to an El Nino event,» which is a cyclical climate event marked by warming waters in the western Pacific Ocean that has global impacts, Zwiers says.

«The Earth is in the midst of a biodiversity crisis,» Sorte said, «and the Gulf of Maine is one of the fastest - warming areas of the global ocean, so the impacts of ocean warming are likely to happen much sooner there.»

That figure will rapidly increase each year as warmer temperatures thin permafrost, Peter Wadhams, a professor of ocean physics at the University of Cambridge and co-author of the economic impact study, wrote in an e-mail.

Coral reefs, which support diverse communities of fish and other marine life, are declining globally at unprecedented rates due to human - caused impacts, such as warming waters and ocean acidification.

Scientists have discovered that rising ocean temperatures slow the development of baby fish around the equator, raising concerns about the impact of global warming on fish and fisheries in the tropics.

He and his colleagues hope to find correlations between those circumstances and diversity, which might enable them to predict the impact of global warming and the resulting ocean acidification on marine ecosystems.

«However, the recent climate anomalies as a result of climate change and warming of the Atlantic Ocean have created severe droughts in the tropics, causing major impacts on forests.»

While El Niño is a cyclical climate phenomenon in the Pacific Ocean — marked by warmer ocean temperatures in the tropics and a weakening of the usual easterly trade winds — it can impact weather around the gOcean — marked by warmer ocean temperatures in the tropics and a weakening of the usual easterly trade winds — it can impact weather around the gocean temperatures in the tropics and a weakening of the usual easterly trade winds — it can impact weather around the globe.

They will also hear from researchers looking at issues associated with ocean warming and acidification and associated impacts of coral reefs.

Most also recognize that such global agreements are the most difficult to come by, and that local protection strategies and efforts to reduce stressors on corals and marine life are important steps in at least staving off the impacts of ocean acidification and global warming.

Significant changes in the circulation of the ocean could likewise impact fisheries in the United States that can be devastated by warming waters, thereby affecting livelihood and food source.

Projected impacts of global warming and ocean acidification motivated this action, but as marine biologist Ayana Elizabeth Johnson eloquently writes in a New York Times op - ed: «climate change really is only half the story.»

That's weakening coral reefs around the world, making them more vulnerable to impacts of ocean warming and water pollution.

Extraction of the excess CO2 from the air in this case would be very expensive and perhaps implausible, and warming of the ocean and resulting climate impacts would be practically irreversible.

«The 2 °C target was all about warming and didn't involve consideration of ocean acidification in any direct way,» said University of Queensland professor Ove Hoegh - Guldberg, one of the lead authors of the recent Intergovernmental Panel on Climate Change assessment chapter dealing with ocean impacts.

A reduction of regional stress such as nutrient runoff or the loss of oxygen can mitigate the impact of global stressors like ocean acidification and warming.

Warm ocean waters that sucked the color and vigor from sweeping stretches of the world's greatest expanse of corals last month were driven by climate change, according to a new analysis by scientists, who are warning of worse impacts ahead.

According to Laura Sherr, a Marine Mammal Center spokeswoman, besides toxins, warming ocean temperatures have also had an impact on a harbor seal mother's ability to forage for food to take care of their pups.

[1] CO2 absorbs IR, is the main GHG, human emissions are increasing its concentration in the atmosphere, raising temperatures globally; the second GHG, water vapor, exists in equilibrium with water / ice, would precipitate out if not for the CO2, so acts as a feedback; since the oceans cover so much of the planet, water is a large positive feedback; melting snow and ice as the atmosphere warms decreases albedo, another positive feedback, biased toward the poles, which gives larger polar warming than the global average; decreasing the temperature gradient from the equator to the poles is reducing the driving forces for the jetstream; the jetstream's meanders are increasing in amplitude and slowing, just like the lower Missippi River where its driving gradient decreases; the larger slower meanders increase the amplitude and duration of blocking highs, increasing drought and extreme temperatures — and 30,000 + Europeans and 5,000 plus Russians die, and the US corn crop, Russian wheat crop, and Aussie wildland fire protection fails — or extreme rainfall floods the US, France, Pakistan, Thailand (driving up prices for disk drives — hows that for unexpected adverse impacts from AGW?)

However, this in itself is not enough to define what level of warming is «dangerous,» especially since the projections of actual impacts for any level of warming are highly uncertain, and depend on further factors such as how quickly these levels are reached (so how long ecosystems and society have had to respond), and what other changes are associated with them (eg: carbon dioxide concentration, since this affects plant photosynthesis and water use efficiency, and ocean acidification).

Geoengineering proposals fall into at least three broad categories: 1) managing atmospheric greenhouse gases (e.g., ocean fertilization and atmospheric carbon capture and sequestration), 2) cooling the Earth by reflecting sunlight (e.g., putting reflective particles into the atmosphere, putting mirrors in space to reflect the sun's energy, increasing surface reflectivity and altering the amount or characteristics of clouds), and 3) moderating specific impacts of global warming (e.g., efforts to limit sea level rise by increasing land storage of water, protecting ice sheets or artificially enhancing mountain glaciers).

Fourteen research teams studying the impacts of warming on the Arctic Ocean have issued independent projections of how the sea ice will behave this summer, and 11 of them foresee an ice retreat at least as extraordinary as last year's or even more dramatic.

Updated, Nov. 10, 2015, 3:04 p.m. A new study in Nature Climate Change, «Revaluating ocean warming impacts on global phytoplankton,» has shown that the method used to calculate phytoplankton loss in the 2010 research greatly overstated plankton losses because of a missing vital factor.

It discusses the only the impact of the ocean on rates of warming and how that reduced expected trends in Antarctica with respect to earlier simulations that did not include such effects.

We often see «skeptics» suggest that the additional warming stored in the ocean can't possibly come back to affect tropospheric temperatures in any meaningful way, but the record levels of energy being stored in the Indo Pacific Warm Pool has impacted and made possible the record tropospheric temperatures Australia saw in 2013.

«Others have identified the lags in the southern ocean (which warms more slowly than the northern hemisphere, and northern land in particular) as the source of this time dependence of feedbacks, and we've demonstrated that different forcings have subtly different impacts — `

There are continuing major questions about the future of the great ice sheets of Greenland and West Antarctica; the thawing of vast deposits of frozen methane; changes in the circulation patterns of the North Atlantic; the potential for runaway warming; and the impacts of ocean carbonization and acidification.

«The fact that we are seeing an expansion of the ocean's least productive areas as the subtropical gyres warm is consistent with our understanding of the impact of global warming,» he said.

Others have identified the lags in the southern ocean (which warms more slowly than the northern hemisphere, and northern land in particular) as the source of this time dependence of feedbacks, and we've demonstrated that different forcings have subtly different impacts — to some extent based on their spatial signatures.

However, albedo modification would only temporarily mask the warming effect of greenhouse gases and would not address atmospheric concentrations of CO2 or related impacts such as ocean acidification.