Sentences with phrase «northern high latitudes»

The last low - ice event related to orbital forcing (high insolation) was in the early Holocene, after which the northern high latitudes cooled overall, with some superimposed shorter - term (multidecadal to millennial - scale) and lower - magnitude variability.

The pattern of future warming where land warms more than the adjacent oceans and more in northern high latitudes is seen in all scenarios.

Analysis of satellite - sensed vegetation greenness and meteorological station data suggest an enhanced plant growth and lengthened growing season duration at northern high latitudes since the 1980s (Zhou et al., 2001, 2003c).

At least the northern high latitudes are working.

Primary forest is most concentrated in northern high latitudes, and parts of Amazonia, while secondary vegetation is common in the United States, Africa, South America and Eurasia.

The significance is that one can readily observe the extent and intensity of the cold air covering the northern high latitudes as a whole at the time and date of each map.

This is in agreement with results from a similar study of Nohara et al. (2006), which showed that the ensemble mean runoff change until the end of the 21st century (from nineteen GCMs) is smaller than the standard deviation everywhere except at northern high latitudes.

The largest reservoirs of carbon on land are in the forests of the tropics and the soils of northern high latitudes, which are paradoxically, the least studied of terrestrial ecosystems, with the bulk of research effort made where most ecologists live, in the mid-latitudes.

The well below freezing surface winter temperatures of Northern high latitudes are such wildly variable almost non-correlated data points which tell almost nothing of the real warming (i.e. increase in heat content of the Earth system) but may affect in an unpredictable way the global average surface temperature.

Some of these northern high latitudes experienced monthly averages 10 - 15 °C (18 - 27 °F) above normal.

«Yes, sea ice seems to behaving as the consensus of the climate models have been projecting — more rapid and larger response in the northern high latitudes than anywhere else, flat to possible increase in [southern hemisphere] sea ice as warming takes hold,» he wrote.

This suggests that current models underestimate the heat stored by the ground, particularly for the northern high latitudes.

Another seemingly useful clue is that, during a period of methane doldrums (no rise) from 1999 - 2002, the N / S gradient of methane relaxed a bit [Dlugokencky et al., 2003], suggesting that the doldrum was due to a decline in a methane source in the northern high latitudes.

Not exact matches

As the US military's attention shifts back to great - power competition, particular focus is being paid to the potential for conflict in the extreme conditions found at northern latitudes and higher elevations.

A key Atlantic Ocean current that carries warmth into the higher latitudes of the northern hemisphere has slowed down by 15 % since the mid-20th century and hit a «new record...

Many moms - to - be — especially those with darker skin or who live in northern latitudes — don't get enough vitamin D, and deficiency is associated with higher rates of prenatal infections, preeclampsia, preterm birth and Cesarean section.

We have since found many bodies of liquid methane of varying sizes; for some reason, they mostly inhabit the high northern latitudes.

Still, because organisms at northern latitudes have evolved in a world of high ozone, «they may be susceptible to even a few percent increase in UV,» Newman says.

These large Northern Hemisphere cooling events have previously been linked to a change in the Atlantic Ocean circulation that led to a reduced transport of warm water to the high latitudes in the North.

This lowered the temperature difference between the Arctic and the middle latitudes, calming the high - altitude cyclones that swirl above the northern latitudes.

To achieve these desirable qualities, greenhouse growers in northern latitudes must rely on supplemental lighting from high - pressure sodium lamps during winter months.

An 17O excess up to 7.5 per mil was observed in summer at high northern latitudes.

«At the higher latitudes of Great Britain, Scandinavia and the Baltic States, as well as Northern Germany and France, very little UVB light reaches the Earth, and it's the key wavelength required by the skin for vitamin D generation,» Elias said.

They found that about half of the change is a result of rising temperatures, particularly in areas at northern middle and high latitudes.

A group of scientists and representatives of indigenous Arctic communities has identified areas around the Arctic Ocean that they consider especially worthy of consideration for protection as sea ice recedes and industry poises to enter the increasingly accessible high northern latitudes.

These events are characterized by drastic temperature changes of up to 15 °C within a few decades in the high latitudes of the Northern Hemisphere.

«Ever since the lakes and seas were discovered, we've been wondering why they're concentrated at high northern latitudes,» said Elizabeth (Zibi) Turtle, a Cassini imaging team associate based at the Johns Hopkins Applied Physics Laboratory, Laurel, Md. «So, seeing that there's something special about the surface in this region is a big clue to help narrow down the possible explanations.»

The research team used data from over 100 individual magnetometers located at high latitudes in the northern hemisphere.

The data suggest that high altitudes and northern latitudes may be an increasingly important factor in siting future Olympic venues.

Aurora borealis is usually seen in high northern latitudes — this photograph was taken in 2004 in Langhus, Norway — but it has been seen far south as Arizona, Texas, and San Diego.

For example, in higher latitudes such as northern Canada and Greenland, coastal waters usually act as carbon sinks, absorbing excess carbon dioxide from the atmosphere.

When they compared the isotope predictions with the weather - station data, the measured ratios in northern latitudes tended to be higher than expected, the team reports tomorrow in Nature.

CH4 ice appears on crater rims and mountain ridges at low latitudes and is abundant at Pluto's high northern latitudes.

The beginning of the last glacial period was characterized in the Northern hemisphere by significant accumulation of snow at high latitudes and the formation of a huge polar ice sheet.

[Response: High northern latitudes were warmer 5000 years ago (or even 9000 years ago) but the tropics were probably cooler, and in the mean the planet was probably not that different from now.

For the change in annual mean surface air temperature in the various cases, the model experiments show the familiar pattern documented in the SAR with a maximum warming in the high latitudes of the Northern Hemisphere and a minimum in the Southern Ocean (due to ocean heat uptake)(2)

The Earth's natural orbital cycles [precession] were driving a simultaneous natural cooling trend, especially at high northern latitudes.

As Cassini soared above high northern latitudes on Saturn's moon Dione, the spacecraft looked down at a region near the day - night boundary.

During the last deglaciation, and likely also the three previous ones, the onset of warming at both high southern and northern latitudes preceded by several thousand years the first signals of significant sea level increase resulting from the melting of the northern ice sheets linked with the rapid warming at high northern latitudes (Petit et al., 1999; Shackleton, 2000; Pépin et al., 2001).

Professor Chronis Tzedakis (UCL Geography) said: «The basic idea is that there is a threshold for the amount of energy reaching high northern latitudes in summer.

Isotopious @ 43 — It is generally agreed that orbital forcing [at high northern latitudes] is the cause of the changes between the three states of interglacial / interstade (mild glacial) / stade (full glacial).

Peoples of the high northern latitudes (Greenland, Alaska, Russia, and Canada) were the first to invent wood - or whale bone - framed boats covered with a watertight skin.

In summary, the Eemian solar insolation increase in high northern latitudes produced pronounced Arctic warming and some GIS melt.

Qualitative indicators like sea ice coverage, spring thaw dates, and melting permafrost provide strong additional evidence that trends have been positive at middle and high northern latitudes, while glacier retreat suggests warming aloft at lower latitudes.

Above, you see the amplification in the high northern latitudes; in the figures of this paper you see the heat collecting in the southern latitudes.

Also, if you look at Table T2 in this paper, you will see that ocean sea surface heat storage 0 - 700m from 1955 - 2003 (in W / m2) is always higher at northern latitudes than the corresponding southern latitudes in every case, even with the extensive Southern Ocean warming as noted by Gavin responding to # 18.

According to the post on the mid-Holocene Optimum, it was likely restricted to the high latitudes of the Northern Hemisphere, and the tropics may well have been colder.

Also, the difference in annually averaged CH4 between Arctic and Antarctic latitudes is a sensitive indicator of changing CH4 emissions at high northern latitudes.

I believe that we are already seeing higher temperature anomalies, compared to the rest of the globe, in the northern latitudes just from increased in CO2.

«Higher northern latitudes are getting warmer, Arctic sea ice and the duration of snow cover are diminishing, the growing season is getting longer and plants are growing more,» said Ranga Myneni of Boston University's Department of Earth and Environment.