Sentences with phrase «polar regions during»

The total amount of sea ice in the polar regions during that time of the year is about 17 million square kilometers.

Each has been used in a unique peer reviewed study confirming that the Arctic polar regions during the Medieval Warming Period (MWP) were warmer than the modern era.

On flights over polar regions during geomagnetic events, airplanes can experience radio blackouts and equipment disruptions.

Not exact matches

Tim Binder, Shedd's vice president of animal care, led an intrepid band of Shedd Adventurers to Antarctica in mid-February, during the southern polar region's version of summer.

«Our changing climate poses a serious risk to stability in [the polar regions],» said Christine McEntee, AGU's executive director and chief executive officer, during her welcoming remarks at the briefing.

The more intensive variations during glacial periods are due to the greater difference in temperature between the ice - covered polar regions and the Tropics, which produced a more dynamic exchange of warm and cold air masses.

The first - ever detailed look at Jupiter's polar regions — captured during Juno's first orbit last August — reveals chaotic swirls of storms, some measuring up to 1400 kilometers across, researchers report today in Science.

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.

Her current work focuses on understanding past climate change during both greenhouse and icehouse periods, particularly in the polar regions, the areas of Earth that are most sensitive to climate change.

During the IPY, POLENET launched sites spanning the polar regions, dramatically increasing the scale of polar GPS and seismic observations to unprecedented levels.

During the main Cassini mission in 2004 — 2008, which occurred in the southern hemisphere's summer, more clouds and lakes were observed in the northern polar regions, where it was winter.

After its birth some 4.6 billion years ago, the Sun had an extremely active magnetic field during its infancy, with gigantic dark star - or Sun - spots that sometimes covered its polar regions.

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 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 warm air above nocturnal or polar inversions, or even stable air masses with small positive lapse rates, are warmer than otherwise because of heat capacity and radiant + convective heating during daytime and / or because of heating occurring at other latitudes / regions that is transported to higher latitudes / regions.

The Arctic polar vortex exhibited widespread regions of low temperatures during the winter of 2005, resulting in significant ozone depletion by chlorine and bromine species.

But in polar regions [within arctic circle] one is still going to have 6 months per year of darkness and therefore will still have freezing weather, though polar ice may not form during the winter.

More often than not polar ships and off - shore platforms are only operating during summer seasons and certain regions.

In 2014 during the polar vortex region in Northwest California a Noctilucent cloud formed in the sky probably the first time I seen one of those at least that's the one I can remember.

The clues found in sediments deposited during the late Holocene suggest that an ocean current that circles the southern polar region, known as Circumpolar Deep Water, flowed underneath the Cosgrove Ice Shelf and melted it.

Special interest invokes the so - called polar cap absorption events produced by energetic solar protons emitted in the CME regions on the Sun and accelerated by CME sheaths and magnetic clouds during their travel to the Earth's magnetosphere.

NASA's Operation IceBridge monitors ice thickness in polar regions using instrument - laden aircraft during a break between satellite observations from 2009 to 2016.

Population increase of polar bears on Svalbard and decrease in sea - ice cover in the Arctic region during summer probably results in more frequent interactions with reindeer on the archipelago.

During the last 60 million years, since the event that killed the dinasoars, the orbit and tilt of the earth has been similar to now and the polar regions always were cold enough that there was ice.

On the whole is it not true to say that during high sunspots episodes the equatorial areas are warmed, and during coronal hole events the polar regions are warmed?

Other evidencde suggests there may have been a localised warming occuring in the Arctic during the 20's and 30's at exactly the same time that measurement coverage in the northern polar regions was in flux - not an ideal situation.

This in turn may explain the recent arctic outbreaks in mid-latitude regions of the Earth during the winter months, as pressure and wind patters force arctic air out of the polar regions and into the mid-latitudes.

During most of the Silurian Period, the vast Panthalassic Ocean covered the northern polar regions, the supercontinent of Gondwana stretched over the southern polar region, and a ring of at least six continents spanned the Equator and middle latitudes.

And looking at those maps we find that the polar region heated up significantly from already warm ranges of 4 to 6.9 degrees Celsius above average during January to an amazing 4 to 12.3 C above average during February.