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 rainfal
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 rainfal
in temperate or
polar climates, while others lose their leaves during the dry season
in climates with seasonal variation in rainfal
in climates with seasonal variation
in rainfal
in 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 new
climate scientist with the Byrd
Polar and
Climate Research Center at Ohio State University in Columbus, who was not an author on the new
Climate 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 c
Climate 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.