Sentences with phrase «sea ice activities»

Not exact matches

As melting sea ice opens up the Arctic to more human activity, the mammals, known as «unicorns of the sea» for their single tusk, may be more exposed to the potentially harmful escape response, scientists say.

Polar bears, the poster - child for climate change, are among the animals most affected by the seasonal and year - to - year changes in Arctic sea ice, because they rely on this surface for essential activities such as hunting, traveling and breeding.

The research, an analysis of sea salt sodium levels in mountain ice cores, finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified the Aleutian Low pressure system that drives storm activity in the North Pacific.

The CSU - led research team offers important details on how the Southern Annular Mode affects storm activity and the extent of sea ice surrounding the Antarctic Peninsula.

It is not clear yet how much of the phosphorus being released from the ice sheet is reaching the open ocean, but if a large amount of phosphorus coming off the glacier makes it to the sea, the nutrient could rev up biological activity of Arctic waters, according to the study's authors.

Arctic sea ice in transformation: a review of recent observed changes and impacts on biology and human activity.

In the first category, physically plausible mechanisms have been proposed that link human activities associated with the creation of the ozone hole1 and increased runoff from the Antarctic ice sheets2 (land ice) to increased sea ice.

In fact, it may be more closely linked to unusually intense volcanic activity and interactions between sea ice and ocean currents during the period.

As sea ice melts, new findings add to concerns about the effects of ocean noise and increased human activity on deep - diving Arctic whales

Other factors would include: — albedo shifts (both from ice > water, and from increased biological activity, and from edge melt revealing more land, and from more old dust coming to the surface...); — direct effect of CO2 on ice (the former weakens the latter); — increasing, and increasingly warm, rain fall on ice; — «stuck» weather systems bringing more and more warm tropical air ever further toward the poles; — melting of sea ice shelf increasing mobility of glaciers; — sea water getting under parts of the ice sheets where the base is below sea level; — melt water lubricating the ice sheet base; — changes in ocean currents -LRB-?)

It's worth posting the voices of a few more scientists to address persistent questions here about a possible connection between retreating Arctic Ocean sea ice and seabed volcanic activity two miles below — including a Vesuvius - size eruption in 1999.

The United States, despite having substantial scientific operations in Antarctica and seeing ever more activity in its Arctic waters, has been relying on a pair of aging, decades - old heavy icebreakers to maintain mobility in ice - cloaked seas.

About the only change in activity, I would expect, would involve a change in air breathing water borne sea life, that may be limited by the ice cover.

Even though the observed ice loss has accelerated over the last decade, the fate of sea ice over the next decade depends not only on human activity but also on climate variability that can not be predicted.

In addition, with the increase in summer melting of Arctic sea ice, human activity is increasing.

Re: the study of the relationship between undersea - vulcan - activity and sea - surface - ice - melt, who cares?

Federal scientists have issued an Arctic «report card» driving home the reality that the frigid, untouchable Arctic etched in human history and lore is truly history, replaced by a region that is seeing long - term warming, reductions in sea ice and glaciers and shifts in ecosystems (not to mention intensifying economic activity).

Perhaps part of the reason why the poles warm more strongly than the lower latitudes (in addition to reduced sea - ice) may be an increase in storm activity along the storm tracks?

I have also accepted these professionals» best scientific and legal judgments that the loss of sea ice, not oil and gas development or subsistence activities, are the reason the polar bear is threatened.

«The ongoing rapid loss of Arctic sea ice has far reaching consequences for climate, ecology, and human activities alike,» Dirk Notz and Julienne Stroeve write in Science.

I also believe that soot and all the other aerosols that combine and rain out has contributed to significant albedo changes and is food for localized warming from biochemical activity in the boreal north that has significantly contributed to the melting of land and sea ice.

Climate alarm depends on several gloomy assumptions — about how fast emissions will increase, how fast atmospheric concentrations will rise, how much global temperatures will rise, how warming will affect ice sheet dynamics and sea - level rise, how warming will affect weather patterns, how the latter will affect agriculture and other economic activities, and how all climate change impacts will affect public health and welfare.

The findings reinforce suggestions that strong positive ice — temperature feedbacks have emerged in the Arctic15, increasing the chances of further rapid warming and sea ice loss, and will probably affect polar ecosystems, ice - sheet mass balance and human activities in the Arctic...» *** This is the heart of polar amplification and has very little to do with your stated defintion of amplifying the effects of warming going on at lower latitudes.

Those who accept the consensus that the Earth is warming due to human activity (anthropogenic global warming or AGW) point to declining Arctic sea ice as one line of evidence to support this conclusion.

OK, so apart from the Hockey stick graph, the disappearance of the Himalayan glaciers, the melting of summer Arctic sea ice, the lack of hurricane activity, the erroneous relationship between malaria and global warming, the resilience of corals, the obstinacy of Tuvalu and the Maldives to disappear to the sea, the manipulation of instrumental temperature data... (Gasp for breath!)

During the final months of funding for the initial Sea Ice Prediction Network (SIPN) project, efforts were focused on the core Sea Ice Outlook (SIO) activities in the summer and fall of 2017.

By: Betsy Turner - Bogren and Helen Wiggins, ARCUS SIPN 2017 During the final months of funding for the initial Sea Ice Prediction Network (SIPN) project, efforts were focused on the core Sea Ice Outlook (SIO) activities in the summer and fall of 2017.

As a complement to the discussion on Arctic sea ice decline at Climate Dialogue, lets take a look at the outlook for the development of existing and new economic activity in the Arctic marine region, as a result of this change.

She and her colleagues created a model that accurately (to 97 %) replicates known historic solar activity (from ice cores, tree ring data, deep sea floor cores, etc.).

In addition, the reduction in sea ice is opening new shipping routes that are also driving and enabling enterprise activity.

The northern melting will likely add to sea level rise explains lead author, Shfaqat Abbas Khan: «If this activity in northwest Greenland continues and really accelerates some of the major glaciers in the area — like the Humboldt Glacier and the Peterman Glacier — Greenland's total ice loss could easily be increased by an additional 50 to 100 cubic kilometers (12 to 24 cubic miles) within a few years.»

But even if you choose to doubt them, it is really the first seven that, combined, point to human activities as the only explanation of rising global temperatures since the Industrial Revolution, and the subsequent climate changes (such as ice melt and sea level rise) that have occurred due to this global warming.

Sea Ice Loss and Arctic Cyclone Activity from 1979 to 2014.

In order to response needs of increase polar activities, we propose to focus on detection of sea ice extremes and automatic production of «sea ice warnings» products.

ESA's ice mission has become the first satellite to provide information on Arctic sea - ice thickness in near - real time to aid maritime activities in the polar region.

Extra Cold water in the Circumpolar current, low Solar activity [10.7 cm Flux - > 100 — 110], and Sun still in Northern Hemisphere these combine to accelerate the Cold / Cooling increasing the Sea Ice Extent.

They simply don't have the power to reduce carbon emissions from human activities, making it nearly impossible for them to deal with the sea ice decline face on.

considering solar activity HAs indeed flatlined, it seems odd there is no associated increase in arctic sea ice levels.

The bottom right map shows results from models in which things like greenhouse gases, sea surface temperatures, and sea ice were allowed to change as they have in the real world due to human activities.

With impacts on Arctic coastal communities and increases in maritime activities, both observations of changes underway and predictions at the scale of less than a week to several months out are of importance to the research community and those living and operating in ice - covered seas.

Solar activity, and not carbon dioxide, was found to be the main reason for changes in the historical sea ice variations.

I recently gave a talk about the powerful relationships among various co - factors including seasonal sunlight, seasonal temperature change, sea level, and even tectonic activity that extends back to the bipolar Quaternary ice - ages and interglacial warm periods of last 2.6 million years.

Unlike other regions in the Arctic, longer records of Barents Sea ice extent exist from records of fishing, whaling, and other activities.

Go ahead and show us on any of the following: Arctic Sea Ice Extent Antarctic Sea Ice Extent OHC Sea level Rise Rate Global Temperature Drought Incidence Hurricane Activity Tornado Activity Glacial Melting Like my mother use to tell me «Do something useful»

It also saw record - low Antarctic sea ice for much of the year, though scientists are still working to determine the role of human activity in the region's sea ice changes.

The Fall 2017 issue of Witness the Arctic includes news about the NSF Vision for Research Support and Logistics at Summit Stations; Arctic Social Science research on Alaska Native Elderly health; Sea Ice Prediction Network activities; the Study of Environmental Arctic Change program's syntheses and communication efforts; a workshop on relationships between research and Alaskan Indigenous communities; the newly - released map for the Agreement to Enhance International Arctic Scientific Cooperation; an international workshop on maritime traffic in the Bering Strait; IARPC and the Polar Research Board activities; the 2017 Joint Science Education Project, international activities at IASC, the Year of Polar Prediction project, and the Greenland Ecological Monitoring Program; recent ARCUS activities; and comments from ARCUS Executive Director, Robert Rich.

Conversely, during low solar activity during the Little Ice Age, transport of warm water was reduced by 10 % and Arctic sea ice increased.17 Although it is not a situation I would ever hope for, if history repeats itself, then natural climate dynamics of the past suggest, the current drop in the sun's output will produce a similar cooler climate, and it will likely be detected first as a slow down in the poleward transport of ocean heat.22 Should we prepare for this possibiliIce Age, transport of warm water was reduced by 10 % and Arctic sea ice increased.17 Although it is not a situation I would ever hope for, if history repeats itself, then natural climate dynamics of the past suggest, the current drop in the sun's output will produce a similar cooler climate, and it will likely be detected first as a slow down in the poleward transport of ocean heat.22 Should we prepare for this possibiliice increased.17 Although it is not a situation I would ever hope for, if history repeats itself, then natural climate dynamics of the past suggest, the current drop in the sun's output will produce a similar cooler climate, and it will likely be detected first as a slow down in the poleward transport of ocean heat.22 Should we prepare for this possibility?

Minzoni and her fellow scientists had sailed to the Amundsen Sea to study other parts of WAIS, but bad weather turned into good luck, forcing their sediment sampling activities into a more protected area near the Cosgrove Ice Shelf.

''... worked with two sediment cores they extracted from the seabed of the eastern Norwegian Sea, developing a 1000 - year proxy temperature record «based on measurements of δ18O in Neogloboquadrina pachyderma, a planktonic foraminifer that calcifies at relatively shallow depths within the Atlantic waters of the eastern Norwegian Sea during late summer,» which they compared with the temporal histories of various proxies of concomitant solar activity... This work revealed, as the seven scientists describe it, that «the lowest isotope values (highest temperatures) of the last millennium are seen ~ 1100 - 1300 A.D., during the Medieval Climate Anomaly, and again after ~ 1950 A.D.» In between these two warm intervals, of course, were the colder temperatures of the Little Ice Age, when oscillatory thermal minima occurred at the times of the Dalton, Maunder, Sporer and Wolf solar minima, such that the δ18O proxy record of near - surface water temperature was found to be «robustly and near - synchronously correlated with various proxies of solar variability spanning the last millennium,» with decade - to century - scale temperature variability of 1 to 2 °C magnitude.»

It's all up to weather and what kind of cyclonic activity we get up north, but one thing is for sure, the sea ice extent recovery is like Mick said