Sentences with phrase «for polar areas»

Not exact matches

The analysis shows that the critical timing of the sea ice break - up and sea ice freeze - up is changing in all areas in a direction that is harmful for polar bears.
For example, the polar bear specimen from roughly 120,000 years ago survived in Svalbard during a warm interglacial period because that Arctic archipelago remained more frozen than other areas.
«For the first time, we've been able to use a special net directly below the sea ice to catch a large number of polar cod, and therefore to estimate their prevalence over a large area.
«For a period of several weeks, wide areas of the Arctic were covered by polar stratospheric clouds between about 14 and 26 kilometers height.
This new color - coded photo mosaic of Mercury's south polar region, presented here today at a joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society, shows these «freezer» areas as dark blotches.
«For example, in some parts of the Arctic, such as the Chukchi Sea, polar bears appear healthy, fat and reproducing well — this may be because this area is very ecologically productive, so you can lose some ice before seeing negative effects on bears.
The last decade has been one of the warmest on record for the polar region, with 2007 summer temperatures having risen 9 degrees Fahrenheit above average in some areas.
The reason that scientists are looking for life in this area is that it is thought to be the place on Earth that most closely resembles the permafrost found in the northern polar region of Mars at the Phoenix landing site.
With ice freezing later and thawing earlier, polar bears can't stock up on seal meat for as long, leading hungry animals to search for food in populated areas.
And this one does graph trend lines for polar stratospheric temperature that on average over recent years would correlate to the trend line for area for PSCs in the article being discussed:
For example, few data are available for the polar winter, and it is not known whether aragonite - undersaturated areas decrease in size with the seasonal freezing of sea iFor example, few data are available for the polar winter, and it is not known whether aragonite - undersaturated areas decrease in size with the seasonal freezing of sea ifor the polar winter, and it is not known whether aragonite - undersaturated areas decrease in size with the seasonal freezing of sea ice.
We have deliberately kept a lot of trees within the circles so that there are shady areas where the dogs can hide from the sun in the summer and flat kennel roofs where they can sunbathe in Spring when the sun comes back for the first time after the polar night.
The newly - refurbished vessel offers a superb guest experience with an expansive choice of cabin categories, large cabins and common areas, a sundeck and observation area, plenty of deck space for polar landscape viewing, and lounges for learning and reflection.
The polar bears which inhabit the region have become a Churchill icon, but Beluga whales are also a common sight in Churchill's waters and the area is also world - renowned amongst ornithologists for its diverse and often rare birdlife.
Armored Kill, set for a September launch, will be the polar opposite to the tight areas included in Close Quarters, and will instead focusing on vehicular combat.
These are increasingly impactful, intersecting phenomena for densely populated coastal areas that are being developed at the same time that melting polar ice is causing sea levels to rise.
And this one does graph trend lines for polar stratospheric temperature that on average over recent years would correlate to the trend line for area for PSCs in the article being discussed:
[20] For the polar bears that currently den on multi-year ice, increased ice mobility may result in longer distances for mothers and young cubs to walk when they return to seal - hunting areas in the spriFor the polar bears that currently den on multi-year ice, increased ice mobility may result in longer distances for mothers and young cubs to walk when they return to seal - hunting areas in the sprifor mothers and young cubs to walk when they return to seal - hunting areas in the spring.
Extent, for once, is crucial in determining the amount of absorbed solar radiation, the area of polar bear (and other animals») habitat, the amount of snow that falls onto sea ice, etc..
[April 20, 7:22 a.m. Insert I think this work bolsters the view of scientists who've been calling for a conservation strategy for polar bears and other ice - dependent species focused on areas of the Arctic where sea ice is projected to endure well into this greenhouse - heated era.
For example, the area of climate change has a dramatic impact on national security: rising sea levels, to severe droughts, to the melting of the polar caps, to more frequent and devastating natural disasters all raise demand for humanitarian assistance and disaster reliFor example, the area of climate change has a dramatic impact on national security: rising sea levels, to severe droughts, to the melting of the polar caps, to more frequent and devastating natural disasters all raise demand for humanitarian assistance and disaster relifor humanitarian assistance and disaster relief.
Although in the end, it may be that recommendations for polar bear refugia may overshadow the distributions of other resources, I think that moving ahead with strong recommendations, without at least considering the distributions of other competing resources (and, by the way the concerns of local people who may live in the areas), is a bit like getting the cart ahead of the horse.
So the north polar sea ice has been steadily thinning in depth and shrinking in area for more than 30 years.
It is hoped the centre will help lead to more scientific breakthroughs and allow for polar expertise to be applied to other areas of policy, business, academia and the third sector.
So either get some decent ground stations — and place them to remove the urban / rural heating problem (which means controlling vegetation for miles around) and / or get some polar orbiting satellites so we have 100 % satellite coverage OR satellites + detailed accurate measurements of part of the global to act as a reference calibration area to improve accuracy of satellites.
According to a Norwegian news outlet yesterday, Jon Aars (Fig. 1, below), from the Norwegian Polar Institute, confirms that this has been an excellent year for polar bear cubs around Svalbard because there has been abundant sea ice near denning areas on the east coast.
While blizzards are not unusual in the Buffalo area (thanks to lake effect snow), and the locals are used to it, seven feet in November is a rare enough occurrence that scientists could accurately blame the polar vortex for the phenomenon.
This means that it does not matter to polar bears how much area the Arctic Basin ice covers in September — for their needs, 1.0 mkm2 would be plenty.
The Greenland ice sheet is poised for another record melt this year, and is approaching a «tipping point» into a new and more dangerous melt regime in which the summer melt area covers the entire land mass, according to new findings from polar researchers.
The only comprehensive study of the Antarctic Ice Sheet mass was a 10 + year study based on continuous 24/365 satellite measurements over the period 1993 to 2003, covering 80 % of the AIS with estimates from other methods for the remaining 20 %, which can not be measured by satellites (coastal areas and polar regions).
A well - known example of this is the melting of land - based ice, which is contributing to sea - level rise (and adding to the effects of thermal expansion of the oceans), with implications for low - lying areas far beyond the polar and mountain regions where the melting is taking place.
For example, any sea surface area in the polar regions that has 15 % or more of surface slush is «officially» considered to be part of the ice pack.
«In many cases, the lack of long term observations, observations suitable for the evaluation of important processes, or observations in particular regions (e.g., polar areas, the upper troposphere / lower stratosphere (UTLS), and the deep ocean) remains an impediment.»
Eli Rabett January 26, 2014 at 9:48 pm Angech, you are completely wrong, amplified polar warming has been a major area of study for at least twenty years as all the IPCC reports show
Migrating north is an improbable option for the polar bears studied by Obbard, as the northern areas are unable to support greater numbers of bears.
For example, the extent of the polar bear's habitat is determined by the maximum seasonal surface area of marine ice in a given year.
Active atmospheric chemistry has been reported for polar coastal areas: the so - called Atmospheric Mercury Depletion Events (AMDEs), occurring simultaneously with the postsolar sunrise destruction of ozone, can lead to complete depletions of atmospheric GEM during springtime (32).
We've used the NASA Goddard Institute for Space Studies (GISS) climate model to examine the impact of a wetter stratosphere on climate and on ozone over populated areas (this study did not look at polar ozone).
«As the area of sea ice that polar bears can use for hunting declines, progressively fewer seals are accessible to the bears, and therefore the bears» hunting success likely declines as well.»
The jet stream is short for «tropospheric polar jet stream,» and is a current of fast - moving air found in the area of the atmosphere where weather occurs and jets fly.
I don't know how accurate 510 million km2 is for Earth's surface area; taking 4 * pi * 6371 ^ 2 km2 ~ = 510.064 million km2; but I don't know the formula for an ellipsoid (polar radius is slightly smaller than equatorial radius)(for what it's worth, 4 * pi * 6381 ^ 2 km2 ~ = 511.667 million km2, which gives a sense of why most of the mass of the atmosphere can be approximated as having the same horizontal area as at sea level (a 1 % increase in area is reached at a height of about 31.8 km)-RRB-.
With such a small habitat remaining — which WWF estimates will cover less than 500,000 square miles — the few remaining polar bears in the Last Ice Area will be in close competition with each other for hunting grounds.
The Canadian Arctic Archipelago is known as the «last ice area» and was thought to be a long - term safe haven for the polar bear.
For this study, the area - weighted polar cap geopotential height and air temperature anomalies (PCH and PCT) were computed for the months December through February using the National Centers for Environmental Prediction (NCEP) reanalysis at global 2.5 ° resolution for latitudes north of 65 ° N, using the period 1950 to 2016 for analysisFor this study, the area - weighted polar cap geopotential height and air temperature anomalies (PCH and PCT) were computed for the months December through February using the National Centers for Environmental Prediction (NCEP) reanalysis at global 2.5 ° resolution for latitudes north of 65 ° N, using the period 1950 to 2016 for analysisfor the months December through February using the National Centers for Environmental Prediction (NCEP) reanalysis at global 2.5 ° resolution for latitudes north of 65 ° N, using the period 1950 to 2016 for analysisfor Environmental Prediction (NCEP) reanalysis at global 2.5 ° resolution for latitudes north of 65 ° N, using the period 1950 to 2016 for analysisfor latitudes north of 65 ° N, using the period 1950 to 2016 for analysisfor analysis69.
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