Sentences with phrase «climatic warming over»

It shows the causes of climatic warming over the 20th Century and indicates that anthropogenic sources are the primary reason.

Most of the climatic warming over the last 50 years is likely to have been caused by increased concentrations of greenhouse gases in the atmosphere.

As described in the paper, climate warming specifically refers to the slow time evolution of the local July temperature as described by a smooth non-linear trend line, which reveals a significant climatic warming over the last three decades.

Not exact matches

Pau's findings suggest that tropical forests, which have evolved over millennia to flourish in warm, equatorial conditions, may be more sensitive to subtle climatic changes than some ecologists predicted.

Chew examined the size of over 7500 fossil teeth from over one hundred types of mammals, and compared them before, during and after the climatic warming events.

The key conclusions were that: It is «unequivocal» that global warming is occurring; the probability that this is caused by natural climatic processes is less than 5 %; and the probability that this is caused by human emissions of greenhouse gases is over 90 %.

Thus as a practical matter, it doesn't really matter whether the inertia is climatic or societal or technological or economic because the globe will continue to warm under all realistic scenarios (what we do have a possible control over is the magnitude of that warming).

In their research, which was supported by the U.S. Department of Energy, Christy and McNider found the climatic effects of El Niño / La Niña warming and cooling events in the eastern equatorial Pacific Ocean largely cancelled each other out over the study period.

If the planet's climate were changing solely because that's what planets do, evolve through different climatic periods of warming and cooling over millions of years, adverse consequences like the loss of coral reefs and the potential for disappearing Polar Bears would still be undeniably sad, but at least a little easier to swallow.

A new analysis of the dramatic cycles of ice ages and warm intervals over the past million years, published in Nature, concludes that the climatic swings are the gyrations of a system poised to settle into a quasi-permanent colder state — with expanded ice sheets at both poles.

In a cascading manner, that is why air temperatures drop the instant a cloud passes in between the earth and the observer and why night - time temperatures are lower than day - time temperatures (except in the unusual climatic conditions whereby wind might carry warmer air during the night - time over a cooler area).

Urban - related warming over China is shown to be about 0.1 deg C decade -LRB--1) over the period 1951â $ «2004, with true climatic warming accounting for 0.81 deg C over this period».

All of the studies we analysed reported at least three distinct climatic periods over the last millennium — two warm periods (the «Medieval Warm Period» and the «Current Warm Period») and an intervening cool period (the «Little Ice Age&raquwarm periods (the «Medieval Warm Period» and the «Current Warm Period») and an intervening cool period (the «Little Ice Age&raquWarm Period» and the «Current Warm Period») and an intervening cool period (the «Little Ice Age&raquWarm Period») and an intervening cool period (the «Little Ice Age»).

Wu, Lee, and Liu (2005) said: «The 1970s North Pacific climate regime shift is marked by a notable transition from the persistent warming (cooling) condition over the central (eastern) North Pacific since the late 1960s toward the opposite condition around the mid 1970s... This large - scale decadal climatic regime shift has produced far - reaching impacts on both the physical and biological environment over the North Pacific and downstream over North America.»

Over the past three decades, most natural disasters (90 %) have been caused by climate - related events, they say, and extreme climatic events are likely to become more frequent because of global warming.

They concluded that with a bit of help from changes in solar output and natural climatic cycles such as the El Nino Southern Oscillation (ENSO), the growth in the volume of aerosols being pumped up power station chimneys was probably enough to block the warming effect of rising greenhouse gas emissions over the period 1998 - 2008.

If one goes to the Watts Up With That article June 2, 2013 by guest essay Dr. Don Easterbrook, titled Multiple Intense, Abrupt Late Pleistocene Warming And Cooling, one will find much detail on the climatic changes that have taken place over the past 20,000 years and show how trival Tony Brown's article is, along with his reference to the hockey stick.

The disclosure of the contents of over 1,000 e-mails and documents obtained illegally from the server at the University of East Anglia's Climatic Research Unit is sparking heated debate across the blogosphere, leading to accusations from climate skeptics that scientists are trying to conceal evidence that contradicts anthropogenic global warming.

But wouldn't a warmist have to concede that even without humans on the planet that there must be dramatic pivot points in climatic timeline trends where warming would necessarily rapidly accelerate by default, measurable over multi decadal levels?

Independent investigations of past climate change in the basin over the long - term period of record confirm that most of these changes in lake level were responses to climatically driven changes in water balance, including lake - level highstands commonly associated with cooler climatic conditions and lows with warm climate periods.

Trying to figure out the increasing frequency of heavy precipitation over western Himalayas, the scientists said their analysis suggested that pronounced warming over the Tibetan plateau in recent decades due to elevation dependency of climatic warming signal favoured enhancement of meridianal temperature gradients.

Similarly if you change the composition of the atmosphere by introducing large quantities of a greenhouse gas that causes greater back - radiation of infra - red towards the surface of the surface from the air, then over a climatic period of time the seas will get warmer.

We further recognize the need to reduce the global emission of greenhouse gases by 80 % by mid-century at the latest, in order to avert the worst impacts of global warming and to reestablish the more stable climatic conditions that have made human progress over the last 10,000 years possible.

This of course raises the concern that maybe other features of the climatic data are equally suspect, including some of the warming over land since 1980.

If nothing is done to stop global warming, progress in almost all areas of human endeavor will gradually slow over the next fifty years because of more frequent, and more scary, climatic events — and worse will follow.

The simplest explanation is that the warming we've seen over the past century is due largely to the usual contingencies attendant on climatic change generally.

V: The simplest explanation is that the warming we've seen over the past century is due largely to the usual contingencies attendant on climatic change generally.