Sentences with phrase «both over the polar regions»

On flights over polar regions during geomagnetic events, airplanes can experience radio blackouts and equipment disruptions.
The study examined a 28 - year time series (1982 - 2009), which was composed of measurements taken by weather satellites passing over the polar region.
NASA's Operation IceBridge — the airborne mission flown annually over both polar regions — is now in its tenth year making flights over the Arctic.
«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.
Juno is the first spacecraft to fly over the polar regions.
And the same it seems all over the polar region, must wait for official November data, but if the Arctic becomes permanently warmer this suggests that a gulf stream failure may be catastrophic not as much for Europe but much worser for the South Atlantic.
The negative phase brings higher - than - normal pressure over the polar region and lower - than - normal pressure at about 45 degrees north latitude.
Chemical ozone destruction occurs over both polar regions in local winter — spring.
Current research combines the climate and chemistry changes in the GISS model to predict future stratospheric ozone amounts both over the polar regions and at lower latitudes.
It is surprising, therefore, that the gross underestimation of pole ward energy transport by the computer models is not reflected as cooling and expansion of the ice sheets over the polar regions.
I was interested to read in the IPCC reports that radiative forcing over the polar regions is less than radiative forcing elsewhere.
By convention, the high index polarity of the annular modes is defined as lower than normal pressures over the polar regions and westerly wind anomalies along ~ 55 - 60 degrees latitude.»
We are seeing this dominance of cold air now as the cold domes that sit over the polar regions expand (Figure 1).
The satellites pass over the polar region several times each day to gather data; researchers can then form the data into images for analysis and publication.
Northern hemisphere winter weather patterns are a complex interplay between the upper atmosphere conditions over polar regions and mid-latitude conditions over the oceans and on land.
Polar Stratospheric Clouds Large, diffuse, ice - particle clouds that form in the stratosphere usually over polar regions.

Not exact matches

The team analysed data gathered over seven years by the international Cassini probe, and found that the interactions between Titan's atmosphere, and the solar magnetic field and radiation, create a wind of hydrocarbons and nitriles being blown away from its polar regions into space.
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.
Conditions near Earth's poles can be pretty harsh, but the storms over Saturn's polar regions blow them away.
Now new research shows that these eruptions on the sun's surface not only send bursts of energetic particles into Earth's atmosphere causing disturbances in the magnetic field, but they may also significantly decrease the number of free electrons over large areas in the polar region of the ionosphere — the ionized part of the upper atmosphere.
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.
Although their ascent takes place over the tropical West Pacific, these compounds amplify ozone depletion in the polar regions.
With the gravity - mapping mission now over, if all goes according to schedule, the probes» Thelma - and - Louise moment will occur at approximately 5:28 p.m. EST on Monday, 17 December, when the craft slam into a 2 - kilometer - tall mountain in the northern polar regions of the moon, NASA announced in a press conference today.
Unique to the polar region, pancake ice forms over time as ice crystals coagulate into thicker plates, whose edges often get rounded and raised as a result of bumping into other plates.
Thirty years later — the equivalent of one Saturn year, in other words, the time the planet takes to go all the way around the Sun — and over more than six consecutive years, researchers in the UPV / EHU's Planetary Sciences Group, in collaboration with astronomers from various countries, were able to observe Saturn's northern polar region in detail once again and confirmed that the hexagon continued in place.
However, gravity data collected during the spacecraft's several close passes over the south polar region lent support to the possibility the sea might be global.
For example, in Earth atmospheric circulation (such as Hadley cells) transport heat between the warmer equatorial regions to the cool polar regions and this circulation pattern not only determines the temperature distribution, but also sets which regions on Earth are dry or rainy and how clouds form over the planet.
large areas of polar stratospheric clouds (PSCs)-- clouds in the ozone layer - were present over the Arctic region at altitudes between 14 and 26 km.
This study is the latest in a growing body of research that suggests dwindling sea ice and snow cover in the polar regions may be altering the weather over the continents of the Northern Hemisphere.
When Cassini first encountered Titan, it observed a large outburst of methane cumulus clouds over Titan's south polar region.
Although these three regions are really the pivotal geographic locations in the history of the sled dog, and although there are really only three types of dog that people today classify as huskies — Alaskan Malamutes, Alaskan Huskies and Siberian Huskies — there are actually a number of other less well known polar breeds that developed over time which can be differentiated by region, height, weight and colour...
It also said, for example, it missed both polar regions badly, had a 10 degree standard deviation over much of the land mass, missed significant portions of the eastern ocean basins, etc..
The recipe for massive springtime ozone loss in the polar regions, such as the annual ozone hole seen over Antarctica during the past two decades, is fairly simple.
The S polar region is intrinsically colder because the ice is over land and can not be melted from the bottom, thus is always reflecting energy.
Over all, open water has spread in the Arctic this summer nearly as much as it did last summer, when polar experts said the ice cap shrank far more than had been measured since satellites started scanning the region 30 years ago — and probably more than it had shrunk in a century or more.
large areas of polar stratospheric clouds (PSCs)-- clouds in the ozone layer - were present over the Arctic region at altitudes between 14 and 26 km.
What most people seem to forget here, is that on one hand there are fundamental thermodynamical arguments which demand that hurricane intensity increase over time, while on the other hand, there are these two big chunks of ice sitting in both polar regions, which will counteract the warming process in their own special way.
Scientists believe that the brown bear lineage split over 300,000 years ago to form the polar bear (Ursus maritimus), theorizing that a group of early brown bears became isolated in colder regions and ultimately adapted to life on ice.
Over the last 35 years, our research team has recovered ice - core records of climatic and environmental variations from the polar regions and from low - latitude high - elevation ice fields from 16 countries.
The range of ocean remaining frozen over the northern polar region reached its minimum extent for 2009 on September 12, when it covered 1.97 million square miles (5.1 million square km), and now appears to be growing again as the Arctic starts its annual cool - down, the National Snow and Ice Data Center reported.
Long story short, the polar vortex is the result of global warming changing the semi-permanent weather system over the arctic regions resulting in movement of cold air masses from the arctic region to parts of North America, such as Canada and, unfortunately, poor Buffalo.
The discovery of the so - called «ozone hole» over the south polar region in 1986 was so disturbing, in fact, that 197 nations agreed to ban CFC's, widely used in air conditioners and refrigerators, just a year later, in an agreement known as the Montreal Protocol.
The positive AO phase is characterized by a low - pressure center anomaly over the entire Arctic basin or polar cap (the region poleward of 60 ° N) and high - pressure center anomalies in each ocean basin in the mid-latitudes.
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).
Excluding the polar regions, most of it is over the oceans.
The negative phase is different, and quite rare: high pressure over the Arctic forces the cold air to spill out over North America and Eurasia, allowing warm air to rush in to the polar region.
However the polar vortex remains over the arctic regions as a great mass of swirling freezing air that persistently circulates counter-clockwise.
In an interview with Yale Environment 360, polar scientist Mark Serreze talks about the rapid changes he has witnessed over more than three decades of working in the Arctic and the future stability of the region if temperatures continue to climb.
Therefore, due to entirely natural variations in spring snow conditions over sea ice (and thickness of the ice), 2 polar bear population sizes can vary by region.
The high and persistent temperatures this fall are particularly extraordinary, scientists said, because the region has already plunged into «polar night,» the time of year when the sun no longer rises over the North Pole.
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