Sentences with phrase «warmer oceans increased»

«The implication is that the warmer oceans increased the risk of greater hurricane intensity and duration,» Trenberth said.

We reg folks only have time for news headlines (not sci articles), so the man - in - the - street reads, «Katrina not caused by GW,» & thinks «GW has been disproved & I can rest easy,» while his wife reads in the Drs office, «GW increasing Hurricane intensity» (a reporter read «warming oceans increasing hurricane intensity» and got confused, and I don't fault him for it, bec he / she's very much like that person - in - the - street).

Warmer oceans increase d13C of the atmosphere (measured!)

Not exact matches

Increasing heat is also warming up the ocean, and hotter air holds onto more moisture, increasing the available energy for hIncreasing heat is also warming up the ocean, and hotter air holds onto more moisture, increasing the available energy for hincreasing the available energy for hurricanes.

Changes in ocean currents are also lead to upwelling of warm water, which also increases evaporation — and thus snow.

As Earth's oceans warm, bleaching is expected to increase in frequency.

While it is still possible that other factors, such as heat storage in other oceans or an increase in aerosols, have led to cooling at the Earth's surface, this research is yet another piece of evidence that strongly points to the Pacific Ocean as the reason behind a slowdown in warming.

There are three main time scales to consider when it comes to warming: annual temperature variation from factors like warming in the Pacific Ocean during El Niño years, decadal temperature swings and long - term temperature increases from global warming.

«Few opportunities to change: Ocean warming, oxygen loss putting marine life under increasing pressure.»

Some glaciers on the perimeter of West Antarctica are receiving increased heat from deep, warm ocean currents, which melt ice from the grounding line, releasing the brake and causing the glaciers to flow and shed icebergs into the ocean more quickly.

After further analysis of the data, the scientists found that although a strong El Niño changes wind patterns in West Antarctica in a way that promotes flow of warm ocean waters towards the ice shelves to increase melting from below, it also increases snowfall particularly along the Amundsen Sea sector.

Scientists conducting fieldwork in the region are reporting massive chick die - offs and nests with abandoned eggs, reports National Geographic's Winged Warnings series, which lays out the many threats facing the island's seabirds: warming oceans, earlier thaws, changing ocean chemistry and food webs, and increasing levels of ocean pollutants from PCBs to mercury.

«If the winds continue to increase as a result of global warming, then we will continue to see increased energy in eddies and jets that will have significant implications for the ability of the Southern Ocean to store carbon dioxide and heat,» said Dr Hogg.

«I am very interested in these wind speed increases and whether they may have also played some role in slowing down the warming at the surface of the ocean,» said Prof Sherwood.

What happens when the world moves into a warm, interglacial period isn't certain, but in 2009, a paper published in Science by researchers found that upwelling in the Southern Ocean increased as the last ice age waned, correlated to a rapid rise in atmospheric carbon dioxide.

Terrestrial ecosystems have encountered substantial warming over the past century, with temperatures increasing about twice as rapidly over land as over the oceans.

A study in the Proceedings of the National Academy of Sciences finds that the planet's warming oceans are inducing fish to get smaller as a strategy to deal with increased temperature.

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.

Climate change, in the form of warmer waters and increasing ocean acidity, may exacerbate economic uncertainties.

This newest threat follows on the heels of overfishing, sediment deposition, nitrate pollution in some areas, coral bleaching caused by global warming, and increasing ocean acidity caused by carbon emissions.

It takes a long time for the ocean to respond to increasing heat, so even if greenhouse gas emissions dropped to zero tomorrow, the world's seas would continue to rise for centuries because of the warming that's already happened.

«Ocean warming to cancel increased carbon dioxide - driven productivity.»

Now, warming seawater intruding underneath has loosened the glaciers» grip on bedrock, speeding their flow toward the sea and causing increasing amounts of ice to break off into the ocean.

Our global climate models zoom down to finer and finer resolutions; our satellites reveal remote corners of the globe; we increase our understanding of the response of giant ice sheets and deep ocean currents to a warming planet.

Global warming is increasing ocean temperatures and harming marine food webs.

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.

They can also explain more than half of the warming recorded over the Antarctic Peninsula, because «anomalously strong westerlies should act to decrease the incidence of cold air outbreaks from the south and lead to increased warm advection from the Southern Ocean.»

As the ocean warms and fresh water from melting ice increases, scientists have yet to fully know how that will affect fish communities and coral reefs.

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 observed increase in freshwater content will affect the conditions in all Greenland fjords and may ultimately affect the global ocean currents that keep Europe warm.

According to the study, the models project that ocean warming will be even more pronounced than suggested by coarser models under increasing concentrations of atmospheric CO2.

As temperatures increase with global warming, more icebergs disintegrate in the ocean, creating a noisier environment

Climate modeling shows that the trends of warming ocean temperatures, stronger winds and increasingly strong upwelling events are expected to continue in the coming years as carbon dioxide concentrations in the atmosphere increase.

Warm ocean water, not warm air, is melting the Pine Island Glacier's floating ice shelf in Antarctica and may be the culprit for increased melting of other ice shelves, according to an international team of researchWarm ocean water, not warm air, is melting the Pine Island Glacier's floating ice shelf in Antarctica and may be the culprit for increased melting of other ice shelves, according to an international team of researchwarm air, is melting the Pine Island Glacier's floating ice shelf in Antarctica and may be the culprit for increased melting of other ice shelves, according to an international team of researchers.

Local pressures, in particular overfishing, destructive fishing, and pollution from nearby land - based human activity, are paramount, but global warming has caused increased bleaching and ocean acidification, which makes it harder for corals to grow, compounding the problems, the World Resources Institute (WRI) and 24 other organizations concluded in «Reefs at Risk Revisited,» an update of a 1998 report.

The team's research shows that in addition to contributions from natural forcings and global warming, temperature differences between the Atlantic and Pacific oceans play a role in causing drought and increasing wildfire risks.

If ocean warming continues, it is predicted that picocyanobacteria, which prefer high temperatures, will become more abundant and could increase 10 to 20 percent by end of century, said Chen.

«Warm summers could weaken ocean circulation: Long - term observations reveal the influence of increased surface freshening on convection in the subpolar North Atlantic.»

For example, the new study notes that restoring whale populations could help increase the ocean's capacity to absorb climate - warming carbon dioxide.

«The prevailing thinking has been that as the oceans warm due to increasing atmospheric greenhouse gases, the oxygen content of the oceans should decline,» Thunell says.

Over the course of coming decades, though, trade wind speed is expected to decrease from global warming, Thunell says, and the result will be less phytoplankton production at the surface and less oxygen utilization at depth, causing a concomitant increase in the ocean's oxygen content.

He believes that changes in ocean circulation have warmed the Atlantic and increased hurricane activity in the past decade and that this is simply the result of normal oscillation in natural climate cycles.

Invasive species are entering the region with or without shipping, says Ted Scambos of the National Snow and Ice Data Center in Colorado; warming of the Arctic Ocean's surface temperatures has already increased mixing with foreign waters and all the microbes they contain.

But the models also suggest that the scheme could go too far: Adding excess sulfur could increase ice in Antarctica, «overcompensating» for warming, says Rasch, which could affect ecosystems and the global ocean - atmosphere system in a myriad of ways that scientists haven't studied.

Warming temperatures can thaw permafrost, liberating more material into the ocean, and increasing river and groundwater runoff can carry more radium, nutrients, carbon, and other material into the Arctic.

As a result of atmospheric patterns that both warmed the air and reduced cloud cover as well as increased residual heat in newly exposed ocean waters, such melting helped open the fabled Northwest Passage for the first time [see photo] this summer and presaged tough times for polar bears and other Arctic animals that rely on sea ice to survive, according to the U.S. Geological Survey.

«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.

Among the suspected reasons for this are warming oceans and increased human harvesting, Sorte said.

Severe hurricanes, storm surges and an increase in the number of icebergs are just some of the changes planet Earth has experienced due to warming oceans over the last 20 years, according to a new report.