Sentences with phrase «in polar climate»

Downsides are sea - level rise and probably expansion of the desert belt which will likely accompany expansion of tropical, sub-tropical, and temperate climate regions at the expense of a reduction in polar climate type.
Researchers at CIRES» National Snow and Ice Data Center [About NSIDC] investigate the dynamics of Antarctic ice shelves, new techniques for the remote sensing of snow and freeze / thaw cycle of soils, the role of snow in hydrologic modeling, linkages between changes in sea ice extent and weather patterns, large - scale shifts in polar climate, river and lake ice, and the distribution and characteristics of seasonally and permanently frozen ground.
This summer school is aimed at postgraduate students and early career scientists who would like to obtain a solid grounding in polar climate system science, with a particular focus on the atmosphere, ocean and sea ice and their interactions.
Dr. Vavrus suggests that, as of yet, the effect of climate change on Arctic cyclone activity has been minimal, but that future changes in polar climate will drive stronger shifts.

Not exact matches

Study links California drought to global warming: Now a study is asserting a link between climate change and both the intensifying California drought and the polar vortex blamed for a harsh winter that mercifully has just ended in many places...
For parents in cold climates, this means that it can be used under a winter jacket without making you feel (and look) like a polar bear.
Camille Seaman (above) captures the beauty of polar environments, and the sobering reality of climate change, in her photographs.
MISSOULA, Mont. — Starving polar bears, icon of the climate change movement, may be able to adapt to an ice - free summer season in the Arctic after all.
When most people think about wildlife in a changing climate, they think of polar bears clinging to melting ice, but even species who have adapted to tropical weather are being impacted by the changes to their environment.
The northern polar region's climate has materially changed over the past five years, a team of 121 scientists from 14 nations concludes in a December 1 Arctic report card.
The Earth's polar regions are in peril as a result of climate change, speakers cautioned at a 16 June briefing on Capitol Hill, and solving the problem requires greater support for geoscience research.
In the meantime, polar denizens adapted for the cooler climate can blame humanity for a balmier Arctic.
«Our changing climate poses a serious risk to stability in [the polar regions],» said Christine McEntee, AGU's executive director and chief executive officer, during her welcoming remarks at the briefing.
Or, he says, it may reflect a real shift in polar weather, driven by climate change.
Reindeer and polar foxes were found in Central Europe during the Ice Age, for example, but they withdrew northwards as the climate became warmer,» says Postdoctoral Fellow Christopher Sandom, Aarhus University.
In some cases, the foliage loss coincides with winter in temperate or polar climates, while others lose their leaves during the dry season in climates with seasonal variation in rainfalIn some cases, the foliage loss coincides with winter in temperate or polar climates, while others lose their leaves during the dry season in climates with seasonal variation in rainfalin temperate or polar climates, while others lose their leaves during the dry season in climates with seasonal variation in rainfalin climates with seasonal variation in rainfalin rainfall.
«So far, I believe the benefits (of Arctic warming) outweigh the potential problems,» said Oleg Anisimov, a Russian scientist who co-authored a chapter about the impacts of climate change in polar regions for a U.N. report on global warming this year.
An international «Red List» of threatened species says that the polar bear is vulnerable to extinction because of a projected decline in its habitat linked to climate change that is melting sea ice in the Arctic.
Yet the global average temperature differences corresponding to these radically different climates were only about 5 degrees C in the tropics and 8 degrees C in polar regions.
But along with the notorious polar vortex, the year also brought new evidence that human activities are altering the climate in ever more obvious ways — and that the risks of severe impacts rise with every ton of greenhouse gases emitted into the atmosphere.
But within these long periods there have been abrupt climate changes, sometimes happening in the space of just a few decades, with variations of up to 10ºC in the average temperature in the polar regions caused by changes in the Atlantic ocean circulation.
In May 2008, the Bush Administration, after multiple lawsuits, put the polar bear on the endangered species list and acknowledged that the survival of the species is jeopardized by climate change.
«There are ways that this approach could increase global ozone but at the same time, because of the climate dynamics in the polar regions, increase the ozone hole.»
Above all, the new insights into the juvenile fish under the ice are important because it's still impossible to say how polar cod populations will change in the face of climate change.
«When we look forward several decades, climate models predict such profound loss of Arctic sea ice that there's little doubt this will negatively affect polar bears throughout much of their range, because of their critical dependence on sea ice,» said Kristin Laidre, a researcher at the University of Washington's Polar Science Center in Seattle and co-author of a study on projections of the global polar bear population.
For years, concern about NOAA's troubled polar satellite program has focused on climate sensors, six of which were stripped from JPSS's predecessor, NPOESS, in 2006, to preserve weather data.
The newly discovered phenomenon over the South Seas boosts ozone depletion in the polar regions and could have a significant influence on the future climate of Earth — also because of rising air pollution in South East Asia.
Knowing that is key to understanding how climate change is affecting methane releases in the polar region, said Shakhova.
For instance, UV radiation amounts to a mere 7 % of solar energy, but its variation produces changes in the stratosphere near the Equator, all the way to the polar regions, which govern climate.
It aims to give a more complete picture of the changes taking place in polar regions because of climate change.
Because ocean currents play a major role in transporting the planet's heat and carbon, the ECCO simulations are being used to understand the ocean's influence on global climate and the melting of ice in polar regions.
The accelerating pace of climate warming in the earth's polar regions is spurring a new sense of scientific urgency.
«Chile is a natural laboratory and rapidly becoming a world leader in important fields for science diplomacy: astronomy, oceanography, polar research and climate change,» said Marga Gual - Soler, senior project director at the AAAS Center for Science Diplomacy, who joined Holt in Chile.
«The past behavior and dynamics of the Antarctic ice sheets are among the most important open questions in the scientific understanding of how the polar regions help to regulate global climate,» said Jennifer Burns, director of the NSF Antarctic Integrated Science System Program.
In «A Phoenix Flies to Mars», Andrew Fazekas, the Canadian Editor for Science's Next Wave, writes about the NASA Phoenix polar lander, and Canada's contribution to the project: a sophisticated meteorological station developed by a team of Canadian scientists and engineers that will analyze Mars» arctic climate.
Real - time data transmission from remotely operated instruments is key in polar regions, where continuous climate data is particularly important and maintaining personnel in the Antarctic through the winter is expensive and hazardous, says Rita Colwell, an environmental microbiologist at the University of Maryland, College Park, and another co-author of the NRC report.
Lead author Nicholas Pilfold, now a postdoctoral fellow at San Diego Zoo Global, said «the pattern of long - distance swimming by polar bears in the Beaufort Sea shows the fingerprint of climate change.
The decision made international headlines and helped the polar bear achieve its iconic status in climate change campaigns.
No one in the U.S. government is detailing those issues, and BOEMRE won't allow Monnett to speak to the media, but the disclosure has generated a firestorm on the blogosphere as climate change skeptics are wildly speculating about scientific misconduct in regard to Monnet's polar bear work.
«Changing climate in the polar regions can affect rest of world far quicker than previously thought.»
In 1959, the U.S. Army Corps of Engineers built the subterranean city under the guise of conducting polar research — and scientists there did drill the first ice core ever used to study climate.
One major question is how climate change may be intensifying westerly winds around Antarctica, and what those changes will do to southern polar clouds, says Andrew Vogelmann, an atmospheric scientist at Brookhaven National Laboratory in New York.
As sea ice decreases dramatically across polar oceans, some scientists see a silver lining: The algal blooms that seem to thrive where ice has recently disappeared could damper climate change by trapping carbon in the deep ocean.
With renewed interest in arctic oil and gas development and recognition that the polar regions are early warning systems for climate change, both foreign and Canadian researchers once again are focusing on the Arctic.
The paper draws a convincing connection between the intensification of the Amundsen Sea low - pressure system and increasing snow accumulation, said David Bromwich, a polar weather and climate scientist with the Byrd Polar and Climate Research Center at Ohio State University in Columbus, who was not an author on the newclimate scientist with the Byrd Polar and Climate Research Center at Ohio State University in Columbus, who was not an author on the newClimate Research Center at Ohio State University in Columbus, who was not an author on the new paper.
A new modeling study to be published in the Journal of Climate shows that stronger polar winds lead to an increase in Antarctic sea ice, even in a warming cClimate shows that stronger polar winds lead to an increase in Antarctic sea ice, even in a warming climateclimate.
Earlier this year, Frank Hailer of the Biodiversity and Climate Research Centre in Frankfurt, Germany, and colleagues estimated that polar bears diverged from brown bears 600,000 years ago — a result that itself pushed back the evolutionary record of polar bears by about 450,000 years (Science, DOI: 10.1126 / science.1216424).
To date therefore, a combination of insufficient resolution in marine and terrestrial sediments bearing the YTT and a lack of YTT ash in the polar ice cores has prevented precise evaluation of the YTT's impact on global climate and hominin populations.
The polar positions of Clinton and Trump on climate are drawing sharper contrasts than in previous elections.
The International Polar Foundation welcomes financial support from individual donors and corporate sponsors, towards specific program allocation, to implement its mission for science in the polar regions, meeting the challenge of climate change, and the establishment of a low carbon society.
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