Sentences with phrase «at high latitudes»

For the month shown, an exception occurs for snow - covered regions at high latitudes in the northern hemisphere.
We might expect that as ocean temperatures warm at higher latitudes more tropical storms could persist farther north.
The study also notes that global warming is greatest at higher latitudes near the poles.
He began seeing firsthand the impacts of climate change at high latitudes where the sea ice is melting rapidly due to human - caused global warming.
There is a much smaller global area and land area at the higher latitudes than at the lower latitude levels.
This was an episode of rapid and intense warming (up to 7 °C at high latitudes) which lasted less than 100,000 years (see Figure 1).
As can be seen, coverage at high latitudes during winter is poor mainly because the sun is not high enough over the horizon.
Particularly for those of our ancestors who lived at higher latitudes, there was no reliable, year - round source of carbohydrates.
Anyone at high latitudes makes far less vitamin D per minute of sun exposure.
In addition, they find that accounting for vegetation feedbacks leads to increased warming in summer at higher latitudes and a reduction in summer warming at lower latitudes.
The global atmospheric circulation is characterized by air slowly rising in the tropics into the upper atmosphere and sinking at higher latitudes.
Keep in mind that north - facing slopes can see direct sun in early morning or late evening at higher latitudes.
This result is in complete contradiction to greenhouse theory, which predicts strong warming, especially at high latitudes.
Warming over ocean is smaller than the mean except at high latitudes, where sea ice changes have an influence.
The lower pressure is caused almost exclusively by the lower temperatures encountered at higher latitudes.
The increases in precipitation seen at higher latitudes are a result of increasing amounts of water vapour in the atmosphere.
Alternatively, it could be an adaptation to catch more sunlight at higher latitudes.
Above that level, a reversal of the horizontal temperature gradient occurs, which produces a reduction in the wind speeds of the jet stream at high latitudes.
Summer snow extent is defined by snow melting at high latitudes.
Scientists search for clues in the earth's surface conditions such as tropical sea surface temperatures and snow cover at higher latitudes.
This is especially true for lakes at high latitudes that are covered in ice each winter but may see less ice as temperatures rise.
It is thought that the resulting rising temperatures led to a greater emission of methane from wetlands at high latitudes, in a positive feedback effect.
That's because the lower sun angle at higher latitudes negatively affects solar thermal field performance.
Waves with a period of 24 hours dominate at low latitudes, whereas those with a characteristic period of 12 hours are more important at high latitudes.
Also, the species has shown some susceptibility to human disturbance — a threat that may increase substantially with increased shipping and infrastructure at high latitudes.
Also, in a cooling world one would expect less clouds and rain at the higher latitudes and more at the lower latitudes.
In the tropics carbon is returned to the atmosphere within a few decades, whereas at high latitudes won't it last much longer and even simply build up in the soil indefinitely?
Cool phases in turn are marked by low temperatures, low sea levels, and the presence of continental ice sheets, at least at high latitudes.
And the risks seem to be greater at higher latitudes, further north from the equator.
The first difference arises because annual average temperature change is greater than summer temperature change at high latitudes, but the mass balance sensitivity is greater to summer change.
There is initially little warming below the mixed layer, except at some high latitudes.
Although our study confirms a benefit of ongoing climate change on plant growing conditions at higher latitudes because of fewer freezing days, this considerably underestimates the full extent of consequences of projected climate changes, particularly under business - as - usual projections.
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