Sentences with phrase «at lower latitudes»

This data is hemisphere total, there may be effects at lower latitudes masked by the overall data.

Their projections show an increase to growing season length, vegetation productivity (outside of the southeastern US) and biomass, as well as increased plant water - use efficiency.They also find that vegetation feedbacks may increase warming in summer at higher latitudes and reduce summer warming at lower latitudes.

Computer models have long predicted that surface temperatures would rise more quickly in the Arctic than at lower latitudes, and observations show this happening already.

That is Chinese & Indian emissions have greater impact being released at lower latitudes.

The result is warming of the tropics and of the highest latitudes (but the latter stay below the freezing point of water) and a flow of cold into the mid latitudes and more precipitation in the form of snow at lower latitudes than normal.

A changing Arctic is likely to affect temperatures and precipitation at lower latitudes.

This Snow Extent around the Arctic does move the Jet Stream and does cause much more snow at lower Latitudes and this will continue for years to come.

Therefore, the effect of warming in the arctic is cooling at the lower latitudes, from increased albedo from clouds and snow, and transportation of colder air from the arctic.

In principle a similar situation could arise at lower latitudes at high elevations in the Rocky Mountains, although most models project a widespread decrease of snow depth there (Kim et al., 2002; Snyder et al., 2003; Leung et al., 2004; see also Box 11.3).

HadCRUT has large areas of missing data over the poles and a less complete land analysis than ocean analysis at lower latitudes.

A synthesis of animal phenology shows that temperature primarily drives mid-latitude responses, with precipitation important at lower latitudes.

For example, Gavin's Pussycat has already pointed out that in their analysis they did not take into proper account how polar amplification results in larger swings in temperature at higher latitudes — and that when estimating temperature variation at lower latitudes on the basis of proxies at higher latitudes one has to scale down the variation, that is recognize that the swings in temperature will be smaller at those lower latitudes.

«The springtime emergence of the plants and insects they'll eat when they arrive is happening faster than the changes at the lower latitudes those birds are departing from.»

At lower latitudes, permafrost is the glue that holds the world's highest mountains together by keeping rocks and soil frozen in place.

The mechanism is UV / ozone chemistry modulating both the northern and southern annular modes — spinning up winds and currents at lower latitudes and biasing the system to more or less upwelling in the eastern Pacific.

1) We urgently need to develop and encourage more agriculture at lower latitudes, like in Africa and / or South America.

This report discusses our current understanding of the mechanisms that link declines in Arctic sea ice cover, loss of high - latitude snow cover, changes in Arctic - region energy fluxes, atmospheric circulation patterns, and the occurrence of extreme weather events; possible implications of more severe loss of summer Arctic sea ice upon weather patterns at lower latitudes; major gaps in our understanding, and observational and / or modeling efforts that are needed to fill those gaps; and current opportunities and limitations for using Arctic sea ice predictions to assess the risk of temperature / precipitation anomalies and extreme weather events over northern continents.

One of the things that helped save this year from setting a record was that the seasonal ice was so far north and did not melt as much as seasonal ice at lower latitudes would.

Precipitation observations over land show the expected general increase of precipitation poleward of the subtropics and decrease at lower latitudes [1], [26].

«There's no way that this means that Arctic navigation is going to be as safe as navigation elsewhere in the world at lower latitudes,» Stephenson said.

Also, you might not think urbanization bias would be a major problem in the Arctic, since most of the big cities are at lower latitudes.

Furthermore, it can be seen that due to the lower incidence angle of the solar radiation at lower latitudes, TEC at 35 ° N is principally higher than TEC at 65 ° N. Differences between both latitudes are always positive at day - time and reach up to 20 TECU while following the solar cycle dynamics.

The effects of declining sea ice on marine mammals are likely to be reflected in the shifting of marine mammal populations (or smaller units) to higher latitudes by either direct movement and / or indirect shifts associated with increased mortality and decreased reproduction at lower latitudes, coincident with decreased mortality and increased reproduction at higher latitudes (Tynan and DeMaster 1997).

4) there is an equilibrium distance to the sun for a given baseline (rock & water) albedo at which convection begins to occur at lower latitudes.

During the winter season, the polar front is generally located at lower latitudes and is more pronounced than in the summer.

There is an accumulation of energy in the tropical ocean and to a lesser extent in the atmosphere at lower latitudes.

When the vortex «splits» as can happen during SSW events, the position where the two lobes descend over the lower latitudes is critical for location of severe weather outbreaks at lower latitudes.

Regionally, it can help delay sea ice loss, but on a pan-arctic scale it enhances overall ice melt and ice volume reduction, as these old floes melt faster at lower latitudes.

«What's happening now in the Arctic is a faster version of what will be happening at lower latitudes,» Forbes told LiveScience.

And just as heating anomalies in the tropics can influence weather around the globe, large heating anomalies in the Arctic basin may have ripple effects at lower latitudes, especially across the industrialized countries and population centers of the Northern Hemisphere.

The regional contributions this month suggest that ice conditions will be below normal relative to the past two to three decades, and that they may potentially rival the 2007 record minimum if multi-year ice at lower latitudes melts back early in the season.

Southern hemisphere has much smaller continental areas than the Northern hemisphere and excluding Antarctic they are at lower latitudes.

Both these factors will tend to counter the increased absorbance in the peak months at lower latitudes.

Conditions may potentially rival the 2007 record minimum, if the majority of the remaining first - year ice disappears and some second - year ice at lower latitudes melts back between now and the September minimum.

The same small change in temperature, however, would reduce food production at lower latitudes, where many countries already face food shortages.

The snow is a result of the open Arctic, but the snow falls at lower latitudes and increases Albedo where it does make a difference.

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.

The ice that was at higher latitudes contributes less angular momentum than the water that is now at lower latitudes.

However, if the discussion was predominately about ice at lower latitudes melting, then I am wrong.

At lower latitudes, especially the seasonally dry tropics, crop yields are likely to fall - even for small temperature increases, increasing the risk of hunger.

The upper stratosphere at lower latitudes is also showing clear signs of recovery.

And, given the fact that the amount of kinetic energy needed to raise temps by 1C in the Arctic is far less than needed to raise by 1c at lower latitudes, is not the cooling far more significant than the warming?

But recovery at lower latitudes, where far more people live, is not.

The comprehensive survey found the sites that lost pikas were on average drier and warmer and at lower latitudes than sites where the animals remain, said Erik Beever, a U.S. Geological Survey biologist based in Corvallis, Ore., and the study's lead author.

But scientists have now found that stratospheric ozone is probably not recovering at lower latitudes, between 60 ⁰ N and 60 ⁰ S (London lies at 51 ⁰ N), because of unexpected decreases in ozone in the lower part of the stratosphere.

If the vast majority of the change in temperature at the lower latitudes is natural, the same would hold true for the Arctic.

That includes accelerated warming, effects on weather at lower latitudes, and associated impacts on plants and animals in the region.

The interior portions of the Arctic are now completely frozen over, and further freeze can occur only in different geographical basins at lower latitudes.

The findings reinforce suggestions that strong positive ice — temperature feedbacks have emerged in the Arctic15, increasing the chances of further rapid warming and sea ice loss, and will probably affect polar ecosystems, ice - sheet mass balance and human activities in the Arctic...» *** This is the heart of polar amplification and has very little to do with your stated defintion of amplifying the effects of warming going on at lower latitudes.

Keep in mind that the Arctic is amplifying the effects of the rise in temperature at lower latitudes.