Sentences with phrase «sea ice melt»

Cohen, J., Jones, J., Furtado, J. C. & Tziperman, E. Warm Arctic, cold continents: a common pattern related to Arctic sea ice melt, snow advance, and extreme winter weather.
By the way, I have been arguing for an explicit melt pond parameterization in sea ice models, but a few years ago the NCAR climate modelers told me they didn't want to use my parameterization since it would make the sea ice melt too quickly (maybe they would have predicted the meltoff in 2007 with my parameterization!)
During the summertime sea ice melt, after the surface snow has melted off, the albedo of melting ice is complicated by the presence of melt ponds and depends on the areal coverage and depth distribution of the melt ponds.
Climate change is fueling high winter temperatures and driving sea ice melt, opening up Arctic waters to shipping.
«So... what is the bottom line on the attribution of the recent sea ice melt?
Read more: Mongabay Arctic Ice Melt Arctic Sea Ice Melt 20 Years Ahead of Schedule, Scientist Maintains Tipping Point Assertion NASA Confirms Dramatic Thinning of Arctic Sea Ice - Multi-year Ice the Size of Alaska Lost Arctic Just Witnessed Fastest August Ice Retreat in History
The main venue for melting sea ice is the Arctic — at least, it is if you are considering a changing pattern of melt; in the Antarctic, sea ice melt has always been greater as a percentage of total sea ice area.
And here I discuss the difference in public attention when the IPCC understated central claims (such as sea level rise, Arctic sea ice melt, and emission scenarios) to when they overstated a detail that didn't even make it into the technical summary — exactly how fast the Himalayan glaciers would melt.
The Guardian reported that the sea ice melt impacts Inuits» infrastructure and wildlife, including polar bears:
The report, known as AR5, finds with near certainty that greenhouse gas emissions are warming the planet and that climate impacts are accelerating — including greater sea ice melt, sea level rise, and dangerous ocean and surface level warming.
For example, one new study shows that the melt ponds that form on top of sea ice floes in June and July can dramatically accelerate sea ice melt.
The extraordinary 2012 Arctic sea ice melt has resulted in a September average sea ice extent of 3.61 million sq km, according to the latest monthly data from the National Snow and Ice Data Center (NSIDC), smashing the previous record of 4.30 million sq km set in 2007.
I should mention, for those who haven't encountered the site yet, that Neven started an excellent clearing house site on Arctic sea ice melt.
The past two weeks have not been good for the Arctic and climate change: First, scientists discover that permafrost holds more greenhouse gases than we thought; Second, sea ice melt - off is at its second greatest
This may conversely be accelerating Arctic sea ice melt, which could have a knock - on effect for the currents that circulate heat and nutrients around the world's oceans, the researchers warn.
9000000 km ^ 2 Arctic sea ice melt spring — summer 1.8 e +13 m ^ 3 at a 2m average thickness — this is generous — see http://psc.apl.washington.edu/ArcticSeaiceVolume/IceVolume.php 917 kg / m ^ 3 for ice 1.6506 e +16 kg / year 5.513004 e +21 joules 0.143 percent going into ice melt spring — summer; BUT, a roughly equal amount comes back out during the refreeze in the fall — winter; and since it's floating, it doesn't effect sea level.
Here's the original paper: Aragonite Undersaturation in the Arctic Ocean: Effects on Ocean Acidification and Sea Ice Melt [subscription or pay - per - article required]
Right now, NASA researchers are working across the Arctic to better understand both the processes driving increased sea ice melt and the impacts of rising temperatures on Arctic ecosystems.
The MWP would be a SST event, kinda like the current Arctic sea ice melt.
IceBridge is flying out of Barrow, Alaska, during sea ice melt season to capture melt pond observations at a scale never before achieved.
Related Content Hansen: Extreme Weather Tied to Climate Change Arctic Warming May Not be Altering Jet Stream: Study A Closer Look at Arctic Sea Ice Melt and Extreme Weather Arctic Warming is Altering Jet Stream, Study Shows Astonishing Ice Melt May Lead to More Extreme Winters Warming Arctic Fueling Cold, Snowy Winters, Study Says Video: Extreme Weather and Rapid Arctic Warming Arctic Sea Ice Sets Record Low, And It's Not Over Yet Climate Change and the Jet Stream
«The results suggest that record sea ice melt last autumn contributed to the individual extreme weather events of last winter.
Read the research article: Warm Arctic - Cold Continents, a Common Pattern Related to Arctic Sea Ice Melt, Snow Advance and Extreme Winter Weather.
However, Arctic summer weather still exerts a strong control on the severity of sea ice melt, and prolonged periods of above - average temperatures were generally absent during Summer 2017 except in the Beaufort Sea north of Alaska.
The character of 2007's sea ice melt is unique in that it is dramatic and covers the entire Arctic sector.
Several physical variables and biological processes drive this variability in pH, including temperature, salinity, upwelling, water currents, river runoff, sea ice melt, photosynthesis, respiration, calcification and dissolution.
Steele, M., J. Zhang, and W. Ermold, Mechanisms of summertime upper Arctic Ocean warming and the effect on sea ice melt, J. Geophys.
The extent of melt ponds in May has been found to be closely linked to the severity of summer sea ice melt (Schroeder et al, 2014), because the melt - water absorbs solar energy more effectively than does bare ice.
«The Arctic sea ice melt is a disaster for the polar bears,» according to Kassie Siegel, staff attorney for the Center for Biological Diversity.
As a result of such extensive sea ice melt, says the study, the jet stream, which has always been rather capricious, is behaving differently now.
Contrary to some reporting, that projection has been unchanged for years, though Maslowski is in the process of creating a more sophisticated model that he expects «will improve prediction of sea ice melt,» as he explained to me recently.
They've used satellite data, sea level measurements, borehole analysis, sea ice melt, permafrost melt, glacial melt, drought analysis, and on and on.
Routinely in this kind of narrative, the plight of polar bears, summer sea ice melt, global warming, and anthropogenic CO2 are conflated as the one and same thing, as each other's cause and effect, rather than treated as phenomena that have distinct and complex causes.
Rapid warming in the Arctic and sea ice melt may be weakening the jetstream, creating a more meandering, slower - moving jetstream.
Further, it may be concluded that man - made CO2 does not cause accelerated rates of ocean heating, ice sheet and sea ice melt, or surface temperature heating.
Arctic sea ice melt pond statistics and maps, 1999 - 2001.
This is reflected in how sea ice melt played out so far at the local level, such as in northern Alaska.
Uses a time series of hydrographic and stable oxygen isotope (δ18O) measurements collected at a near - coastal site in Marguerite Bay to quantify the prevalence of meteoric freshwater (glacial melt plus precipitation) separately from sea ice melt
The 2015 Arctic sea ice melt season was a little lower than 2013 and 2014, but sea ice volume continues to increase.
This powerful achievement will save thousands of lives a year and slow climate change by reducing pollution that accelerates sea ice melt.
Yamamoto - Kawai, M., F. A. McLaughlin, E. C. Carmack, S. Nishino, and K. Shimada, 2009: Aragonite undersaturation in the Arctic ocean: Effects of ocean acidification and sea ice melt.
Presenting a thin veneer of objectivity, he quotes polar bear researcher Ian Stirling who suggested that Nicklen's photo shows a bear that most likely, but not certainly, died as a result of starvation related to sea ice melt.
While Pinatubo - like amounts of sulfur (roughly 20 million tons) pumped into the atmosphere could linger three to four years, cooling the planet within the first months, reversing sea ice melt, and possibly even promoting tree growth, the side effects are uncertain.
«Sea ice melt usually slows down in August to about 60,000 to 70,000 square kilometers a day.
Aragonite undersaturation in the Arctic ocean: Effects of ocean acidification and sea ice melt
The summer of 2012 witnessed periods of extremely rapid sea ice melt.
Ice in all forms will see stronger heat forcings overall, adding risk that both land and sea ice melt rates will increase.
Already in the past 30 years, we've seen areas of Arctic sea ice melt that are larger than Norway, Sweden and Denmark combined.
Meanwhile, increasingly severe climate change - related events ranging from mass coral bleaching, to glacial and sea ice melt, to tree death, to ocean health decline, to the expanding ranges of tropical infectious diseases, to worsening extreme weather events have occurred the world over.
«With increased sea ice melt, however, come more waves and wind, which creates more noise and makes it harder to track undersea vessels.»
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