Sentences with phrase «of the temperature records over»

10 °C rises in global average temperatures have not only occurred during the last 600 million years, but they are the defining characteristic of the temperature record over that time.

Examination of the temperature record over this period shows a slight cooling, peaking in 1992 - 1993, but these temperatures were certainly not â $ ˜unprecedentedâ $ ™, nor did they exceed the bounds of observed variability, yet it is well accepted that the cooling was attributable to the eruption.

A large number of factors affect the consistency of the temperature records over time.

A large number of factors affect the consistency of the temperature record over time.

Not exact matches

«We only have about 150 years of direct measurements of temperature, so if, for example, we want to estimate how great of variations that can be expected over 100 years, we look at the temperature record for that period, but it can not tell us what we can expect for the temperature record over 1000 years.

For a start, observational records are now roughly five years longer, and the global temperature increase over this period has been largely consistent with IPCC projections of greenhouse gas — driven warming made in previous reports dating back to 1990.

Manley's Central England record coincides well with the year - to - year rises and falls of temperature proxies: tree rings and written records of when winter ice spread over rivers or harbors and trees sprouted leaves.

Modern researchers have combined the fragmentary, overlapping records they left behind into a series of annual temperatures averaged over the region, which stretches from England's south coast 175 miles north to Manchester.

The most important of these was an apparent mismatch between the instrumental surface temperature record (which showed significant warming over recent decades, consistent with a human impact) and the balloon and satellite atmospheric records (which showed little of the expected warming).

Boersma and Rebstock looked at the cause of every recorded chick mortality in an Argentinian colony of Magellanic penguins, over a nearly 30 - year period, and compared these with changes in temperature and precipitation over the same time.

Land and Ocean Combined: The combined average temperature over global land and ocean surfaces for August 2014 was the record highest for the month, at 61.45 °F (16.35 °C), or 1.35 °F (0.75 °C) above the 20th century average of 60.1 °F (15.6 °C).

«Ice cores only tell you about temperatures in Antarctica,» Shakun notes of previous studies that relied exclusively on an ice core from Antarctica that records atmospheric conditions over the last 800,000 years.

Most of the hydrate should remain stable within the recorded temperature changes, Hutnak says, but if the hydrates are disrupted in another way, «it might be enough to push it them over the edge.»

It is part of a trend that saw Sydney's temperature climb to over 47 °C earlier this month — the highest recorded in the city for 79 years — and could see both it and Melbourne experiencing mega ‑ heatwaves with highs of 50 °C by 2040.

In the past decade, paleoclimatologists have reconstructed a record of climate change over the last millennium by consulting historical documents and examining indicators of temperature change like tree rings, as well as oxygen isotopes in ice cores and coral skeletons.

The strongest evidence for global warming comes from physics and chemistry, not from records of past temperatures, which is why scientists were predicting warming long before the rise in temperature over the 20th century was obvious.

After giving the dunnarts a month to get used to their diet, the team continued the diets for a further 19 days and recorded the length and times of the animals» torpor over this period, using nests installed with temperature sensors and video recorders.

There's been a lot of warm air over that region — Alaska has had a lot of record temperatures and a lot of rain.

The new method has already been used to examine climatic records of sea surface temperature at 65,000 points around the world over a period of 28 years and provided scientists with a clear understanding of when and where temperature fluctuations occur.

A scientist from the nearby Oak Ridge National Laboratory (ORNL) set up thermal cameras to record the temperature of the graves over 24 - hour periods while the bodies decomposed.

The committee has prepared a report that, in my view, provides policy makers and the scientific community with a critical view of surface temperature reconstructions and how they are evolving over time, as well as a good sense of how important our understanding of the paleoclimate temperature record is within the overall state of scientific knowledge on global climate change.

This committee was asked to describe and assess the state of scientific efforts to reconstruct surface temperature records for the Earth over approximately the last 2,000 years.

The NRC asked the committee to summarize current scientific information on the temperature record for the past two millennia, describe the main areas of uncertainty and how significant they are, describe the principal methodologies used and any problems with these approaches, and explain how central is the debate over the paleoclimate temperature record to the state of scientific knowledge on global climate change.

According to the Land & Ocean Temperature Percentiles map above, monthly record warmth was observed over much of northern Canada, far northwestern Russia, southern Japan, the Philippines, part of southwestern China, and central southern Africa.

The confused argument hinges on one data set — the HadCRUT 3V — which is only one of several estimates, and it is the global temperature record that exhibits the least change over the last decade.

This study integrates the complementary information preserved in the global database of borehole temperatures [Huang et al., 2000], the 20th century meteorological record [Jones et al., 1999], and an annually resolved multi proxy model [Mann et al., 1999] for a more complete picture of the Northern Hemisphere temperature change over the past five centuries.

The most charitable explanation is that it is the trivial observation that a tree ring proxy must be calibrated to the temperature record over some portion of the chronology to provide a useful reconstruction.

Here, we report on local and global changes in MHW characteristics over time as recorded by satellite and in situ measurements of sea surface temperature (SST) and defined using a quantitative MHW framework, which allows for comparisons across regions and events1.

The Nature article comes as climate scientists published what they said today was the «best ever» collection of evidence for global warming, including temperature over land, at sea and in the higher atmosphere, along with records of humidity, sea - level rise, and melting ice.

Vast numbers of corals died suddenly during a record - breaking El Niño that raised sea - surface temperature 1 °C over a 3 - month period.

Despite reams of proxy data and historical records showing that the Earth's temperature behaved sinusoidally over the last 1000 years, Mann only sees a hockey stick behavior.

Climatology data from the historical record give a picture of the fluctuations in sea - surface temperature over the last 160 years.

A vivid example of this is a recent post by Steve Goddard which casts doubt on the fact that we've experienced record hot temperatures over the last year, citing falling sea levels in 2010.

The increasing depleation of ozone over the Pole regions, Real Climate (6 May 2005) Record Artic Ozone Loss, has at least coincided with decreased temperatures, comment 5, and increased snow falls in the Antartic continents interior, New Scientist (28 May 2005) in Brief, p. 17.

A massive dome of high pressure, sometimes referred to as a «heat dome,» has set up shop over Alaska, bringing all - time record temperatures just a few weeks after parts of the state had a record cold start to spring.

But in July 2012, a combination of soot from fires in Siberia coupled with warm temperatures caused a record - setting 95 percent of the ice sheet to melt over the course of a week.

To contribute to an understanding of the underlying causes of these changes we compile various environmental records (and model - based interpretations of some of them) in order to calculate the direct effect of various processes on Earth's radiative budget and, thus, on global annual mean surface temperature over the last 800,000 years.

Climate Denialdom went ballistic over my recent video on the satellite temperature record, including John Christy, the Ned Flanders of climate denial — who spent half his recent congressional testimony sputtering about «well funded» video attacks on his shaky science record.

The record - setting temperatures of 2016 have seen a small push from an exceptionally strong El Niño, but they are largely the result of the heat that has built up in the atmosphere over decades of unabated greenhouse gas emissions — as the spiral graphic makes clear.

During this winter in the southern hemisphere, centuries - old heatwave records have been shattered all over Australia in the past week as cities from Hobart to Sydney have been hit by prolonged stretches of temperature far above normal.

The climate in most places has undergone minor changes over the past 200 years, and the land - based surface temperature record of the past 100 years exhibits warming trends in many places.

Mike Wallace's talk was about the «National Research Council Report on the «Hockey Stick Controversy»... The charge to the committee, was «to summarize current information on the temperature records for the past millennium, describe the main areas of uncertainty and how significant they are, describe the principal methodologies used and any problems with these approaches, and explain how central is the debate over the paleoclimate record within the overall state of knowledge on global climate change.»

Figure 6: a) spectral power density periodogram of Vostok temperature - proxy records over the Holocene for 12,000 years showing six peaks.

Record high temperatures over land surfaces were measured across Far East Russia, Alaska, far western Canada, a swath of the eastern United States, much of Central America and northern South America, southern Chile, much of eastern and western Africa, north central Siberia, parts of south Asia, much of southeast Asia island nations and Papua New Guinea, and parts of Australia, especially along the northern and eastern coasts.

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.

With over 7 feet of snow and record freezing cold temperatures here in the northeast... I'd say yes, I'm dreaming of spring!

In an absolute monarchy, the monarch rules as an autocrat, with absolute power over the state and government — for example, the right to The instrumental temperature record provides the temperature of Earth's climate system from the historical network of in situ measurements of surface air

global average sfc T anomalies [as] indicative of anomalies in outgoing energy... is not well supported over the historical temperature record in the model ensemble or more recent satellite observations

In addition, since the global surface temperature records are a measure that responds to albedo changes (volcanic aerosols, cloud cover, land use, snow and ice cover) solar output, and differences in partition of various forcings into the oceans / atmosphere / land / cryosphere, teasing out just the effect of CO2 + water vapor over the short term is difficult to impossible.

internal / natural variability over a long enough timeframe will not alter the long term trend of the temperature record (as we are always reminded) but in this relatively short term analysis it did especially for the last decade