Sentences with phrase «of polar ice caps»

In its first comprehensive report since winning a Nobel Peace Prize in 2007, the IPCC is unequivocal about the influence of human activity, the progressive warming of the planet, the melting of the polar ice caps, and the rise in sea level.

The melting and cooling of the polar ice caps are considered the main culprit in global sea level changes seen in the geologic record.

There are zones where new deep water is formed, mostly at the edges of the polar ice caps.

How responsible is the melting of the polar ice caps for the weather that we are experiencing?

It is unprecedented in its scale and scope, and examines evidence of changes in ocean temperature and ecosystems, rising acidification and methane levels, and massive shrinkage of the polar ice caps.

The ice surrounding the polar ice caps is many hundreds of times thinner than the ice that composes the bulk of the polar ice caps.

The strongest evidence in support of climate change is the melting of the polar ice caps, Langcake acknowledges, noting the temperature in Antarctica rose by 2.5 degrees centigrade between 1945 and 1995 and a Norwegian study supporting the idea of a rapidly accelerating melt at both poles, but claims this theory may not be borne out over a longer period.

Global warming leads to rising temperatures of the oceans and the earth» surface causing melting of polar ice caps, rise in sea levels and also unnatural patterns of precipitation such as flash floods, excessive snow or desertification.

The enormous thermal mass of the ocean, not to mention the heat of fusion of the polar ice caps, damps the temperature response of the planet to any increase in heat input.

Closing the ozone hole actually speeds up the melting of the polar ice caps, according to a 2009 study from Scientific Committee on Antarctic Research.

According to it, CO2 contributes to the melting of polar ice caps, rising sea levels, reduced Arctic ice cover and alarming changes in the environment.

These are all good signs — but, set against the rapid disintegration of polar ice caps and the record global temperatures each of the last three years, they still amount to too little.

The «ice house» pattern is identified geologically by evidence of polar ice caps and apparently, montane glaciers.

It was the warming of the polar ice caps that became the greatest concern, since this was the first tangible evidence, and will have the biggest initial impact upon coastal cities and low lying countries.

Sea level rise is caused by the melting of polar ice caps and the expansion of water when it is warmed, both triggered by global warming.

They argued that high CO2 concentrations explained the polar warmth and the decline in CO2 explained the advent of polar ice caps and the 55 million year trend towards our icehouse climate.

The slower - acting factors are the earth's orbital movements around the sun and the expansion and retreat of the polar ice caps.

Personally I think the earth's normal state of no polar ice caps is the best configuration for living things.

The rest is due to the melting of the polar ice caps.

On climate change, the bulletin scientists say it is worsening: after flattening out for some years, global greenhouse gas emissions have resumed their rise, and the levels of the polar ice caps are at new lows.

Meanwhile,... a couple of days ago, the national television channel reported on the melting of the polar ice caps.

Although there is still some disagreement in the preliminary results (eg the description of polar ice caps), a lot of things appear to be quite robust as the climate models for instance indicate consistent patterns of surface warming and rainfall trends: the models tend to agree on a stronger warming in the Arctic and stronger precipitation changes in the Topics (see crude examples for the SRES A1b scenarios given in Figures 1 & 2; Note, the degrees of freedom varies with latitude, so that the uncertainty of these estimates are greater near the poles).

With the melting of the polar ice caps, countries around the world are finding that new shipping lanes are now opening up, and with that, areas that were previously off limits to exploration and drilling are now accessible.

It is alredy a foregone scientific conclusion that the melting of the polar ice caps will lead to a global rise in sea levels.

During this experience the artist was profoundly inspired by the movements of ice viewed from the ship including melting glaciers and the icy expanses of the polar ice caps.

That include melting of polar ice caps, economic consequences, warmer waters and more hurricanes or disasters, the spread of diseases and earthquakes.

Soot has already been implicated in the melting of the polar ice caps, and heating of the atmosphere over India was directly measured in 2007 by Veerabhadran Ramanathan of the Scripps Institution of Oceanography at the University of California, San Diego, and his colleagues.

Drawing on odd, icy - looking landforms in earlier images, he and colleagues proposed in 2003 that in the geologic past, snow - fed glaciers and ice fields had covered much of the lower latitudes of Mars at the expense of the polar ice caps (Science, 11 April 2003, p. 234).

If the melting of the polar ice caps injects great amounts of freshwater into the world's oceans, climate scientists fear that the influx could affect currents enough to drastically change the weather on land

Such erosion can result from any number of factors, including the simple inundation of the land by rising sea levels resulting from the melting of the polar ice caps.

On top of all this, all electric power generation produces heat, and too much generation will raise the earth's temperature, possibly enough to cause partial melting of the polar ice caps and wreak havoc on the world's ecosphere.

Human action would lead to the melting of the polar ice caps and the consequent rise of ocean levels.

The melting of the polar ice cap would have a drastic effect: Sea level would rise by several meters around the world, impacting hundreds of millions of people who live close to coasts.

Our study suggests that at medium sea levels, powerful forces, such as the dramatic acceleration of polar ice cap melting, are not necessary to create abrupt climate shifts and temperature changes.»

An examination of these changes gave them new insights into how much of the polar ice cap's carbon dioxide freezes out of the atmosphere during winter.

Working with various collaborators, I have created installations dealing with the effects of the melting of the polar ice cap (American Association for the Advancement of Science, 2014; McLean Project for the Arts, 2015), the destruction of coral reefs worldwide (Artists and Makers, 2016) and the migration of infectious diseases (Otis street Arts Project, 2017).

«At medium sea levels, powerful forces − such as the dramatic acceleration of polar ice cap melting − are not necessary to result in abrupt climate shifts and associated drastic temperature changes.»

Although arctic experts said there were many signs of warming, including a thinning and shrinking of the polar ice cap, there was no way to link a patch of sun - dappled water at the pole to climate change.

Based on the status of the polar ice cap vis a vis its line of declination to the sun.

There is substantial uncertainty in the rate of heat transport into the deep ocean, and in the rate of polar ice cap melting.

The disappearance of the polar ice cap could also affect global ocean circulation patterns, and its melting has already imperiled native species such as the polar bear.

Not exact matches

In nature, changes of environmental conditions arise from such sources as the melting of polar ice - caps, explosion of dwarf stars, the fall of night.

The sea is just 5 ° north of the Martian equator and would be the first discovery of a large body of water beyond the planet's polar ice caps.

There is abundant evidence for the past presence of water on Mars but today it appears relatively dry, with water ice confined to the planet's polar caps.

Today the small amount of water detected on the planet is locked in the polar ice caps, but recently discovered geological features suggest liquid water once flowed on its surface.

As Gore shows with a litany of statistics, maps, and charts — not to mention the film's stark images of drowning polar bears, crumbling ice caps, a Katrina - lashed New Orleans, and drunken trees sliding sideways on melting permafrost — global warming is really happening.

Growing the polar ice caps, if they crept southward enough, might drive people out of northern Europe, Asia and North America, Haqq - Misra notes.

Although water ice was known to exist at the polar caps of Mars (see ScienceNOW, 28 May, 2002), Mars Express has now observed its spectroscopic signature for the first time.

If it happened in the last 100,000 years, it might be possible someday to extract traces of its effects from deep within the polar ice caps.

Many of the projected effects of climate change on the world's oceans are already visible, such as melting polar ice caps and rising sea levels.