Sentences with phrase «by warming ocean waters»

But the future climate of West Antarctica is uncertain, and the physical factors that govern the collapse of outlet glaciers like Thwaites are poorly understood — in particular, a peculiar glacier instability mechanism likely triggered by warming ocean waters in a changing climate.

Antarctica's great ice sheet is losing ground as it is eroded by warm ocean water circulating beneath its floating edge, a new study has found.

While calving is a natural process, it can be driven into overdrive by the warm ocean waters that are lapping away at the ice shelves that fringe Antarctica.

The cyclical El Niño weather pattern, characterized in part by warm ocean water, began in fall 2015 and is expected to last well into 2016.

Kaspi, Y., and T. Schneider, 2011: Winter cold of eastern continental boundaries induced by warm ocean waters.

Since most people understand that hurricanes are fueled by warm ocean water, however, perhaps it would be conceptually simpler to focus on the seawater beneath Harvey.

Not exact matches

Blessed with warm sunny weather all year round (roughly 300 days of sunshine a year), ringed by the Atlantic Ocean on one side and protected on the other by the calm, deep - blue waters of the Tagus River (the longest river in the Iberian Peninsula), this traditionally sophisticated city seems to have it all.

Co-author Dr Gerhard Kuhn, from the Alfred Wegener Institute in Germany, says: «Our results provide evidence that in the past WAIS retreat was also predominantly caused by melting through warm ocean water.

Driven by stronger winds resulting from climate change, ocean waters in the Southern Ocean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of theocean waters in the Southern Ocean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of theOcean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of the ice.

Global warming could seriously mess with fisheries in a few ways: Carbon dioxide in the air contributes to ocean acidification, sea level rise could change the dynamics of fisheries, and cold water fish like salmon could be pushed out by warming streams.

Still, there are definitely mechanisms by which this rift could be linked to climate change, most notably through warmer ocean waters eating away at the base of the shelf.»

Warm ocean waters, driven inland by winds, are undercutting an ice shelf that holds back a vast glacier from sliding into the ocean, researchers report November 1 in Science Advances.

It is possible, he adds, that these persistent high - pressure zones may be produced by two well - known oceanographic patterns: La Nina and El Nino in the Pacific Ocean (which mark alterations in warmer and cooler conditions between that ocean's eastern and western equatorial waters) and the North Atlantic Oscillation (which results from weather patterns between Iceland and the AzoOcean (which mark alterations in warmer and cooler conditions between that ocean's eastern and western equatorial waters) and the North Atlantic Oscillation (which results from weather patterns between Iceland and the Azoocean's eastern and western equatorial waters) and the North Atlantic Oscillation (which results from weather patterns between Iceland and the Azores).

Charlie's research told him that during El Niño weather cycles, the surface seawaters in the Great Barrier Reef lagoon, already heated to unusually high levels by greenhouse gas — induced warming, were being pulsed from a mass of ocean water known as the Western Pacific Warm Pool onto the reef's delicate living corals.

Southern Ocean seafloor water temperatures are projected to warm by an average of 0.4 °C over this century with some areas possibly increasing by as much as 2 °C.

They must also deal with a host of challenges tied directly to the environment and potentially amplified by climate change, including warming waters, increasing ocean acidity and the spread of diseases that can decimate shellfish stocks.

His discoveries have also revealed how warming ocean temperatures and acidification of ocean water caused by climate change lead to coral bleaching and death.

In hot water Coral reefs have been besieged in recent decades by everything from warming waters to ocean acidification, disease, overfishing and pollution.

The opposite occurred in 1997 and 1998, when warm surface waters in the Pacific Ocean brought about by El Niño pushed rainfall systems north, leaving parts of the southern and eastern Amazon forest dry and prone to fires.

Changes in ocean currents, Kennett says, triggered the methane bursts by channeling warmer water over continental slopes, as at Storegga.

The glacier is currently experiencing significant acceleration, thinning and retreat that is thought to be caused by «ocean - driven» melting; an increase in warm ocean water finding its way under the ice shelf.

Due to the cooling dissolved material now partially precipitates as fine particles, which are carried by the warm water to the ocean's surface.

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.

The next step was see how those factors were influenced by ENSO; while El Niños and La Niñas are defined by how much warmer or colder than normal tropical Pacific ocean waters are, they trigger a cascade of reactions in the atmosphere that can alter weather patterns around the globe.

This allowed us to simulate a future climate scenario, characterized by both warmer waters and ocean acidification», explains researcher Christian Alsterberg.

A new study by NOAA researchers suggests future warming of ocean waters off the Northeastern U.S. may be greater and occur at an even faster rate than previously projected.

Beneath an ice layer about 10 to 15 miles (15 - 25 kilometers) thick, the moon is thought to harbor a liquid water ocean, possibly warmed by geologic processes originating in the planet's core.

The warm waters give up their heat in the bitterly cold regions monitored by OSNAP, become denser, and sink, forming ocean - bottom currents that return southward, hugging the perimeter of the ocean basins.

A new study led by the University of Texas Institute for Geophysics has found that wind over the ocean off the coast of East Antarctica causes warm, deep waters to upwell, circulate under Totten Ice Shelf, and melt the fringes of the East Antarctic ice sheet from below.

Totten Glacier, the largest glacier in East Antarctica, is being melted from below by warm water that reaches the ice when winds over the ocean are strong — a cause for concern because the glacier holds more than 11 feet of sea level rise and acts as a plug that helps lock in the ice of the East Antarctic Ice Sheet.

This interplay between climate and wind can lead to sea level rise simply by moving water from one place in the ocean to another, said Greene — no warming of the air, or of ocean temperatures required.

Pollution of the ocean by runoff from the land and the fouling of the air with carbon dioxide (which is warming the ocean and acidifying it) are accelerating and expanding the threats to the world's coastal waters.

In 1998, he says, the ocean cooled by a few degrees, and predators left for warmer waters.

According to the researchers, to better understand if Matthew's intensification was aided by the warm - water eddies and the residing barrier layer in the Caribbean Sea's upper ocean, more ambient and in - storm upper ocean observations in this basin are needed to improve forecast models for the region.

A team of researchers from the GEOMAR Helmholtz Centre for Ocean Research Kiel together with colleagues from Bergen, Oslo and Tromsø (Norway), have now discovered that large - scale sedimentation caused by melting of glaciers in a region off Norway has played a greater role in gas hydrate dissociation than warming ocean waOcean Research Kiel together with colleagues from Bergen, Oslo and Tromsø (Norway), have now discovered that large - scale sedimentation caused by melting of glaciers in a region off Norway has played a greater role in gas hydrate dissociation than warming ocean waocean waters.

The continued top ranking for 2016 may be due in part to El Niño, a cyclical climate event characterized by warmer - than - average waters in the equatorial Pacific Ocean, which generated some of the global heat that year.

If these glaciers retreat at a similar rate to what they did in the past decade, 30 of them would disconnect from warm ocean waters by the end of the century with that kind of travel distance, it says.

«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.

September 27, 2007, In Hot Water: Ice Age Defrosted, by Warming Ocean, Not Rise in CO2, by David Biello.

El Niño, a periodic warming in the waters of the eastern tropical Pacific Ocean, will probably emerge in the coming months, according to a forecast issued yesterday by the Climate Prediction Center (CPC) of the National Oceanic and Atmospheric Administration (NOAA).

Some scientists are linking the phenomenon to warmer waters and ocean acidification caused by high levels of carbon dioxide in the atmosphere.

The world's oceans have already risen by an average of 8 inches over the last century from a combination of water added by ice melt and the expansion of ocean waters as they warm.

Gerhard Kuhn, co-author of the study, said, «Our results provide evidence that in the past, [West Antarctic Ice Sheet -RCB- retreat was also predominantly caused by melting through warm ocean water.»

By 2100, the local composition of the oceans may also look very different due to warming water: The model predicts that many phytoplankton species will move toward the poles.

According to Dr. Kevin Trenberth at NCAR in Boulder, Colo., an increase in water vapor floating overhead, triggered by warming of the atmosphere and oceans, is already loading the dice.

Though El Niño is defined by the warmer - than - normal ocean waters in the eastern tropical Pacific, it is a phenomenon with a global reach.

«Understanding such processes is especially important today since oxygen in the ocean is decreasing, largely due to the warming of ocean waters driven by climate change,» said the study's lead author Andrew Margolin, a postdoctoral researcher at the College of William & Mary's Virginia Institute of Marine Science and an alumnus of the UM Rosenstiel School.

While the Alps could lose anything between 75 percent and 90 percent of their glacial ice by the end of the century, Greenland's glaciers — which have the potential to raise global sea levels by up to 20 feet — are expected to melt faster as their exposure to warm ocean water increases.

The Center for Ocean Solutions writes: «Between 1951 and 1993 zooplankton biomass off Southern California decreased by 80 % as a result of warming surface waters.»

This warming is largely focused on the equatorial and South Atlantic and is driven by a significant reduction in deep - water formation from the Southern Ocean.