He sings far beneath the ice in the dark
of a polar winter, so maybe it's about time we listened to the incredible songs that this whale concocts every winter, every month and possibly each day!
He sings far beneath the ice in the dark
of a polar winter, so maybe itÂ's about time we listened to the incredible songs that this whale concocts every winter, every month and possibly each day!
The depletion is due to the intense cold
of the polar winter, not to CFCs or HCFCs.
Bio-optical sensors would supplement satellite observations of the ocean's color by providing measurements of chlorophyll, light, and light scattering deep into the ocean interior throughout the year, in cloud - and ice - covered areas, or during the dark
of polar winter.
Not exact matches
There's nothing you can do to stop
winter from setting in, but if the thought
of another season
of polar vortices and local news broadcasts about «snowmageddon» has you dreading the months ahead, perhaps there is another option for some lucky business owners and freelancers.
That means, unless you're sleeping outdoors in the
winter, your baby probably doesn't need three layers
of ultra
polar fleece to be comfortable at night.
Play sets
of polar bear and penguins are also great gifts to gear up for the celebrations
of the chilly
winters; kids also enjoy with jumping penguins and figures
of polar bear in cute and cuddly fashion with scenic and wintry backgrounds.
Overall, eight subpopulations show signs
of decline, including some groups
of polar bears and seals that depend on
winter ice for feeding and reproduction.
Colder temperatures and weaker high - altitude winds may make the arctic
polar vortex even more intense in future
winters and trigger greater ozone loss, says atmospheric scientist Paul Newman
of NASA's Goddard Space Flight Center in Greenbelt, Maryland, although the losses probably won't approach those in Antarctica.
In addition to
polar bears, which were mostly hunted in
winter, the Zhokhovians pursued reindeer hundreds
of kilometers across vast plains.
Mori et al. identified two circulation patterns that drove
winter temperatures in Eurasia from 1979 to 2013: the Arctic Oscillation (which confines colder air to the
polar latitudes) and a pattern dubbed «Warm Arctic and Cold Eurasia» (WACE), which correlated both to sea - ice loss in the Barents - Kara Sea and to particularly cold
winters; its impact has more than doubled the probability
of severe
winters in central Eurasia.
Because these warm - blooded creatures had to endure the darkness
of winter in the
polar regions, Rich's group gave it the official name
of Ausktribosphenos nyktos, the «Australian Cretaceous tribosphenic mammal that lived by night.»
The negative impacts
of warmer
winters may be less evident in Nordic countries than in places like Alaska, where people and animals like
polar bears and seals are more dependent on the presence
of sea ice, according to Serreze.
The research is timely given the extreme
winter of 2017 - 2018, including record warm Arctic and low sea ice, record - breaking
polar vortex disruption, record - breaking cold and disruptive snowfalls in the United States and Europe, severe «bomb cyclones» and costly nor'easter s, said Judah Cohen, director
of seasonal forecasting at AER and lead author
of the study.
As we steel ourselves against the cold and curse the
polar vortex for bringing these bitter winds upon us, its helpful to remember that
winter can also be a magical time
of fluttering snowflakes and beautiful evening skies.
«We found out that that
winter there was an unusually high number
of high pressure systems over the Barents Sea combined with
polar lows.
The repeated bouts
of warm weather this season have stunned
polar researchers, and could push the Arctic to a record low
winter peak for the third year in a row
The temperature
of the stratosphere is one
of the key factors in the springtime depletion
of ozone above the Antarctic where in
winter it gets colder than anywhere else on Earth, encouraging icy particles to form in
polar stratospheric clouds.
Some earlier research suggested that
polar bears could, at least partially, compensate for longer summer food deprivation by entering a state
of lowered activity and reduced metabolic rate similar to
winter hibernation — a so - called «walking hibernation.»
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.
Rising
polar temperatures caused the average thickness
of winter Arctic sea ice to decrease from about 12 feet to 6 feet between 1978 and 2008, and thinner ice melts more readily.
• One is that the cold air above the Laurentide Ice Sheet created a tremendous high pressure system that shifted the
polar jet stream to the south, pushing the track followed by
winter storms down into the Southwest, which had the effect
of dramatically reducing the amount
of rainfall in the Northwest while increasing it in the Southwest.
When the strong winds that circle the Arctic slacken, cold
polar air can escape and cause extreme
winter chills in parts
of the Northern hemisphere.
«Methane is volatile enough that it can only stick to the surface during the long, cold
polar winters,» Will Grundy, lead author
of the new study, told Space.com by email.
But some
of these owls are not cool with
polar winters.
The repeated bouts
of warm weather this season have stunned even seasoned
polar researchers, and could push the Arctic to a record low
winter peak for the third year in a row.
It's unlikely that truly
polar air will invade the Lower 48 for the rest
of the month, which marks the end
of meteorological
winter.
An examination
of these changes gave them new insights into how much
of the
polar ice cap's carbon dioxide freezes out
of the atmosphere during
winter.
Using the MIRO instrument aboard Rosetta, scientists have studied the southern
polar regions
of its target comet at the end
of their long
winter season.
Thus temperatures during the period when a lot
of sunlight first returns to the
polar areas following
winter, March in the Arctic and September in the Antarctic, are crucial.
My thought is that the UK's temperate climate is primarily due to SWly prevailing winds blowing from the relatively warm ocean, as opposed to places on the eastern side
of a large continent which will frequently receive cold
polar continental airmasses in
winter, because the mid-latitude westerlies will be blowing from a cold continental interior.
The new images show ozone in spring, suggesting that «global winds are inhibiting the spread
of water vapor from the rest
of the planet into
winter polar regions.»
Decades
of weather reports show a strong link between the
polar blasts that have plunged the eastern United States in a deep freeze several times in the past few
winters and the warming
of the Arctic, where temperatures have been hitting unusual highs, a new study reports.
«We're saying they're connected, and certainly the fact that this warming
of the Arctic is taking place up in the stratosphere, and that warming over the
polar region is related to the increase in severe
winter weather,» he said.
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 ice.
Since we're on the verge
of another
winter storm and
polar vortex (OMG), thought I'd share some
winter skin tips and some
of my favorite cold weather essentials:
Apparently, I never knew what a real
winter felt like until now: the year
of the
polar vortex.
Construction on the first Intrinsic School began during Chicago's famed «
polar vortex»
winter of 2013.
The pampered pooches have an enviable
winter wardrobe
of polar - fleece jackets, coats and snow booties.
We did find a trend that the animals in the experimental group were less likely to receive flea / tick or heartworm preventative, but we suspect this was due to the fact that the data for the experimental group was collected in the middle
of the
polar vortex
winter in Northern Ohio, while data for the baseline group was collected in the fall.
Cabo San Lucas is a mecca for sun worshipers, especially during these
winter months as the
polar vortex continues to terrorize parts
of North America.
As both a movie - tie in and Olympic competition, the timing
of Ice Age: Continental Drift — Arctic Games «release is nearly impeccable, even it's
polar cap - based sporting recreations evoke the
Winter games rather than the imminent summer competitions.
In Chicago, Ghost Nature was sited as one
of Hyperallergic's top 10 shows to see in Chicago during the
polar vortex
winter, made the top 20 and top 18 list
of shows to see in the Chicago Magazine in January and February respectively, and was listed on the CAA website as a recommended exhibit.
With the exception
of glaciers that terminate in the ocean, and glaciers in the
polar regions or at extreme high altitudes where the temperature is always below freezing, essentially just two things determine whether a glacier is advancing or retreating: how much snow falls in the
winter, and how warm it is during the summer.
The temperatures themselves are greatly influenced by the strength
of the
polar vortex, a wind that swirls around the pole and when strong, can keep air confined throughout the
winter in the
polar night, allowing it to cool dramatically.
Firstly, models do indeed predict
polar amplification (particularly in the Arctic and particularly in
winter)
of global warming trends (see our previous piece on this concept) in general.
Some scientific indicators suggest a January 2016 weakening
of the stratospheric
polar vortex, increasing the chance for severe late
winter weather over the continents.
Thus temperatures during the period when a lot
of sunlight first returns to the
polar areas following
winter, March in the Arctic and September in the Antarctic, are crucial.
I do honestly wonder if the effects on
polar circulation discussed above means a return, if temporary, to the «old normal»
of Winter in the northern US.
We might have a saviour in the form
of the growing antarctic ice sheets in the southern
winter as this causes much more planckton to form on the undersurface
of the forming ice sheet driving super saturated salty waters deep into the circum
polar antarctic bottom waters which is the main driver
of the Great Oceanic Conveyor and later on it's travels the AMOC.