Sentences with phrase «unprecedented warming of»

But what of the unprecedented warming of the 20th century, and the more than half of the warming being anthroprogenic since 1950?

It is these multiple lines of evidence that give the scientific community such strong confidence that humans are responsible for the recent unprecedented warming of the surface of the Earth.

And this unprecedented warming of ocean waters occurred during a 30 - year period when human CO2 emissions were some 85 % less than the modern era (166 billion tonnes of CO2 emissions versus 784 billion tonnes for the most recent 30 - year span).

At some time or another, most people will have seen the hockey stick - the iconic graph which purports to show that after centuries of stable temperatures, the second half of the twentieth century saw a sudden and unprecedented warming of the globe.

Not exact matches

In a 184 - page letter to Catholic leaders released Thursday, Francis warns of «unprecedented destruction of ecosystems, with serious consequences for all of us» and recommends renewable fuel subsidies and maximum energy efficiency to combat global warming.

A new study that looks at climate change over the past 11,300 years — a record length of time for any study — suggests that the current trend of global warming is unprecedented.

While natural patterns of certain atmospheric and ocean conditions are already known to influence Greenland melt, the study highlights the importance of a long - term warming trend to account for the unprecedented west Greenland melt rates in recent years.

A unprecedented effort to set aside huge swathes of Canada's boreal forest includes — for the first time — global warming mitigation as a key objective

«Study projects unprecedented loss of corals in Great Barrier Reef due to warming.»

Understanding the complex interplay between climate and biotic interactions is thus essential for fully anticipating how ecosystems will respond to the fast rates of current warming, which are unprecedented since the end of the last glacial period.

The 1980s was easily the warmest decade on record and exhibited an unprecedented number of extreme climatic events, such as storms and droughts.

Record warming drove this phenomenon to an unprecedented scale: Australian scientists announced in April that 93 percent of the Great Barrier Reef had experienced bleaching.

The planet is warming at an unprecedented rate and reducing emissions of greenhouse gasses alone is not enough to remove the risk.

A study led by researchers at the University of Washington and the National Oceanic and Atmospheric Administration connects the unprecedented West Coast toxic algal bloom of 2015 that closed fisheries from southern California to northern British Columbia to the unusually warm ocean conditions — nicknamed «the blob» — in winter and spring of that year.

On Wednesday, Dec. 17, at the American Geophysical Union's Fall Meeting in San Francisco, Noah Diffenbaugh, an associate professor of environmental Earth system science at the Stanford School of Earth Sciences, will discuss approaches to this challenge in a talk titled «Quantifying the Influence of Observed Global Warming on the Probability of Unprecedented Extreme Climate Events.»

The fishery saw unprecedented reductions in marketable wild - caught urchins after the 2014 warm blob and 2015 El Niño, which decimated kelp forests (the primary food source for urchins) throughout California,» explains Okinawa Institute of Science and Technology researcher Kirk Sato, lead author of the study.

The 8 inches of sea level rise produced by global warming so far has worsened the tolls of storm surges, including those caused by Hurricane Sandy, and subjected coastal cities to high tide flooding of unprecedented frequency.

Coral reefs, which support diverse communities of fish and other marine life, are declining globally at unprecedented rates due to human - caused impacts, such as warming waters and ocean acidification.

For the past eight years, Operation IceBridge, a NASA mission that conducts aerial surveys of polar ice, has produced unprecedented three - dimensional views of Arctic and Antarctic ice sheets, providing scientists with valuable data on how polar ice is changing in a warming world.

The historic temperature record is a massively important part of this jigsaw though, because it can tell us if todays warming is within natural variability or quite unprecedented, and it is also used to «tune» computer models (not that this has any great meaning — another story!).

However, the big unknown remaining is whether corals can adapt to global warming, which is now occurring at an unprecedented rate — at about two orders of magnitude faster than occurred with the ending of the last Ice Age.

One reason why recognizing the importance of the fact that Mann's statistical methods and hence conclusions are faulty is that to demonstrate that the current warming is unprecedented and therefore likely anthropogenic is that sufficiently precise paleoclimate temperature indicators and data is hard to come by.

Given the unprecedented rapidity of the human - made climate forcing, it is difficult to establish how soon slow feedbacks will become important, but clearly slow feedbacks should be considered in assessing the «dangerous» level of global warming, as discussed in the next section.

In these high latitudes, temperatures are predicted to warm so fast and to such a degree so as to cause unprecedented melting of ice that even the most ardent of climate skeptics would be forced to concede the verity of global warming theory.

These magnificent animals are facing unprecedented threats as a warming climate and loss of their sea ice habitat make it more difficult for the bears to hunt prey like seals and find dens for their cubs.

While the planet's surface temperatures over the past century have risen to unprecedented levels, records have shown a slowdown in the pace of warming over the past 15 years.

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Coming to Cannes with such a film the year after «Blue is the Warmest Color» made such an unprecedented splash with its lesbian love story was perhaps part of the reason the film was slow to be embraced, but it's a comparison that isn't really fair: Laurent's film is darker and more unsettling, a tone she conveys masterfully without ever compromising the authenticity of the performances (both of which, from Josephine Japy and Lou de Laage, are superb).

Since most of the measures required to slow the warming, from greatly increasing energy efficiency to land reform in poor nations, would carry other great benefits, and since the probability of unprecedented change appears to be in the vicinity of 50 percent, a very large social effort, one incurring substantial costs, seems to us not simply justified but virtually mandatory.

With the unprecedented growth of this breeds popularity in this country, and especially in the warm southern states, hundreds and even thousands of «would - be» breeders have appeared.

Just one week after scientists warned of unprecedented change brought on by warming in the Arctic, President Obama announced permanent protection for 115 million acres of federal waters in the Beaufort and Chukchi Seas.

Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.

The Cold Sun nicely sums up the fact that the sun is currently weak — good to know at a time of unprecedented global warming!

I was somewhat involuntarily thrust into the center of the public debate over climate change at this very time, when the «Hockey Stick» temperature reconstruction I co-authored, depicting the unprecedented nature of modern warming in at least the past millennium, developed into an icon in the debate over human - caused climate change [particularly when it was featured in the Summary for Policy Makers (SPM) of the Third Assessment Report of the IPCC in 2001].

«Dermot Antoniadesa said: «At this point, it doesn't appear that the shelf ice around Ellesmere Island is any smaller now than it was during the previous period of warming, but because it's still shrinking, it's possible it could become, an «unprecedented» event.

Three record years in a row — that is unprecedented even in all those decades of global warming.

Link iv.1: therefore current warmth is not unprecedented Link iv.2: therefore something other than man - made forcing can be responsible for this level of warming Link iv.3: therefore today's warming is more likely caused by something natural than by man - made forcing.

... a pronounced strengthening in Pacific trade winds over the past two decades — unprecedented in observations / reanalysis data and not captured by climate models — is sufficient to account for the cooling of the tropical Pacific and a substantial slowdown in surface warming through increased subsurface ocean heat uptake.

The rate and magnitude of 20th century warming are thus unknowable, and suggestions of an unprecedented trend in 20th century global air temperature are unsustainable.

In particular, in the Atlantic sector of the Arctic the summer of 1922 was (for the time) quite warm, and there were a number of reports that discussed some unprecedented (again, for the time) observations of open water.

The record - breaking year of 2005 had below - average dust over the Atlantic, very warm sea surface temperatures, and an unprecedented four hurricanes that reached category 5, the highest classification.

Abstract:... Here we show that a pronounced strengthening in Pacific trade winds over the past two decades — unprecedented in observations / reanalysis data and not captured by climate models — is sufficient to account for the cooling of the tropical Pacific and a substantial slowdown in surface warming through increased subsurface ocean heat uptake.

Fair enough, but two points are clear — the two warm periods reconstructed — Medieval and late 1700s are > 0.6 C cooler than recent NH anomalies of around 1C CRU], which means that while the details differ, McIntyre's plot is fully consistent with the conclusion of Mann et al 2008 that recent warmth is unprecedented for 1,000 years or more.

Large masses of warm moist air can produce more precipitation, leading to unprecedented flooding.

After reading the piece, Crowley sent a note under the title «Tales of Brave Ulysses» (as per Cream), alluding in part to an essay he wrote for The Guardian in 2007: «In the short term, there'll be no major action against climate change; to tackle global warming we need a shift in attitudes unprecedented in peace time.»

In the light of a devastating global warming we must therefore change forest management practices because new practices would increase the chances to reduce the unprecedented speed of global warming.

There is nothing «natural» about these extremes of weather over the last 2 years, or about the unprecedented ozone hole in the Arctic last year (troposphere warming from greenhouse gases caused stratospheric cooling to below threshold temperature for polar stratospheric cloud generation and ozone destruction).

Before interpreting the upward trend in the occurrence of weather - related disasters as «completely unprecedented» and «due to global warming», one has to take into account the complexities of disaster occurrence, human vulnerabilities and statistical reporting and registering.

I am concerned about the «vast expanse of western Sibera is undergoing an unprecedented thaw that could dramatically increase the rate of global warming, climate scientists warn».

The possibility exists that the unprecedented activity since 1995 is the result of a combination of the multidecadal - scale changes in Atlantic SSTs (and vertical shear) along with the additional increase in SSTs resulting from the long - term warming trend.