Sentences with phrase «period of warming from»

If we consider the period of warming from the mid to late»60s then a warmer troposphere in 1979 should not be surprising.

Not exact matches

During the first third of the year, from January through April, the average temperature for the contiguous United States was 4 degrees Fahrenheit above the 20th - century average, making this period the second warmest on record, according to the National Oceanic and Atmospheric Administration.

In his Formation of the Fetus, Galen says that the fetus gradually moves from a plant - like state until in the final period it acquires the capacity for the heat of a warm - blooded creature, its heart begins to beat, and it moves on its own.

During the period from about three to six years, children normally establish an especially warm, close relationship with the parent of the other sex.

Michael Schumacher may have won 12 of the first 13 races in 2004, but at Spa his Ferrari was suffering badly from tyre warm - up issues, making him particularly vulnerable after safety car periods.

It doesn't heat the bottle from cold as well as I thought it did but that's ok because it will keep it warm for long periods of time if preheated.

Notably, the rise and expansion of both the Indus Valley civilization (from about 5350 years to about 4600 years ago) and the Vedic civilization (from about 3450 years to about 3100 years ago) occurred during periods when climate was relatively warm, wet, and stable.

Researchers from the Niels Bohr Institute have analysed the natural climate variations over the last 12,000 years, during which we have had a warm interglacial period and they have looked back 5 million years to see the major features of the Earth's climate.

The additional warming caused a near - doubling of melt rates in the twenty - year period from 1995 to 2015 compared to previous times when the same blocking and ocean conditions were present.

Scientists from Rice University and Texas A&M University - Corpus Christi's Harte Research Institute for Gulf of Mexico Studies have discovered that Earth's sea level did not rise steadily but rather in sharp, punctuated bursts when the planet's glaciers melted during the period of global warming at the close of the last ice age.

The researchers detected a «significant regional flux» of methane, a greenhouse gas with about 30 times the warming potential of carbon dioxide over a 100 - year period, coming from an area of gas wells in southwestern Pennsylvania.

Heavier rainfall at the study sites from the year 0 to 400, and again during Europe's Medieval Warm Period, just before the Little Ice Age from about the year 800 to 1300, was probably caused by a centuries - long strengthening of El Niño.

They suggested this based on paleoclimate data from the Eemian period, when one degree of warming seems to have done just that.

Perhaps extra carbon dioxide from a period of heightened seafloor eruptions eventually percolates through the ocean and into the atmosphere, allowing warming that would deliver a coup de grâce to the massive ice sheets.

The period when the insect lived, the Eocene, was one of the warmest in history, and lush tropical or subtropical rain forest surrounded the lake; the two - and - a-half-inch-long adult male most likely sat and snacked upon the leaves of plants from the laurel or the pea family.

From the height of the last glacial period 21,000 years ago to our current interglacial period, the Earth has warmed by an average of five degrees Celsius.

One period of particular interest is a warm, wet interglacial stage known as the Eemian that occurred from 124,000 to 119,000 years ago, featuring average global temperatures about 2 °C warmer than today.

The warmer temperatures are melting 60 times more snow from Mt. Hunter today than the amount of snow that melted during the summer before the start of the industrial period 150 years ago, according to the study.

The study's findings suggest that future sea level rise resulting from global warming will also have these hot spot periods superimposed on top of steadily rising seas, said study co-author Andrea Dutton, assistant professor in UF's department of geological sciences in the College of Liberal Arts and Sciences.

The researchers were surprised to learn that this speeding - up of carbon uptake during periods of slower warming was due mainly to less respiration from plants and not to greater photosynthesis.

But Rybczynski and her colleagues have unearthed evidence of a balmier Arctic from a slice of time referred to as the mid-Pliocene warm period, roughly 3 million to 3.3 million years ago.

«It is possible that Svalbard may have provided one such important refuge during warming periods, in which small polar bear populations survived and from which founder populations expanded during cooler periods,» argues biologist Charlotte Lundqvist of the University at Buffalo, The State University of New York, who is a co-author of the new study.

For example, the ice ages during the last several million years — and the warmer periods in between — appear to have been triggered by no more than a different seasonal and latitudinal distribution of the solar energy absorbed by the Earth, not by a change in output from the sun.

Analyzing data collected over a 20 - month period, scientists from NASA's Goddard Space Flight center in Greenbelt, Md., and the Massachusetts Institute of Technology found that the number of cirrus clouds above the Pacific Ocean declines with warmer sea surface temperatures.

Since levels of greenhouse gases have continued to rise throughout the period, some skeptics have argued that the recent pattern undercuts the theory that global warming in the industrial era has been caused largely by human - made emissions from the burning of fossil fuels.

For example, if a proxy record indicated that a drier condition existed in one part of the world from 800 to 850, it would be counted as equal evidence for a Medieval Warming Period as a different proxy record that showed wetter conditions in another part of the world from 1250 to 1300.

The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.

However, as stated in our Report (1), the spatial pattern of warming from the LGM to the current period is likely to resemble warming patterns following previous glacial periods (5, 6).

«Looking at weather and dengue incidents over longer periods, we found a similar strong link between how increased rainfall and warmer temperatures resulting from the reoccurring el Niño phenomenon are associated with elevated risks of dengue epidemics.

To explore the links between climatic warming and rainfall in drylands, scientists from the Universities of Cardiff and Bristol analysed more than 50 years of detailed rainfall data (measured every minute) from a semi-arid drainage basin in south east Arizona exhibiting an upward trend in temperatures during that period.

As the number of overuse injuries continues to rise in young baseball players, safe pitching guidelines — which focus on proper warm up exercises; maximum play time and pitch counts; recommended rest periods; appropriate ages for learning various types of pitches; and not playing on multiple teams, year round or on consecutive days — are being integrated into play at many of the nation's 200,000 youth baseball teams, ideally with a firm, cooperative commitment from coaches, parents / caregivers and players.

The strait also allowed mammals to leave Alaska for greener pastures when prolonged periods of warmer, wetter climate allowed peat to spread, which cooled the ground and discouraged the grass, sedges and rushes from growing.

These findings, along with those from Alaska, point to global warming as the culprit, but additional work over a longer period of time is needed before scientists can be certain of that.

But the study looked at departures from average conditions over shorter time periods, and may not be a good indicator of how people will respond to sustained warming.

The research, published in Nature Communications, examined preserved fossil remains of coccolithophores from a period of climate warming and ocean acidification that occurred around 56 million years ago — the Paleocene Eocene Thermal Maximum (PETM)-- and provides a much - needed long - term perspective of coccolithophore response to ocean acidification.

The decoupling corresponds to periods when the Gulf Stream, a powerful marine current that carries the warm waters of the Gulf of Mexico northwards, was pushed towards the Bay of Biscay by the moderate iceberg break - up from the North of the American continent.

Geologists studying a region in the Mexican state of Veracruz have discovered evidence to explain the origin of the Wilcox Formation, one of Mexico's most productive oil plays, as well as support for the theory that water levels in the Gulf of Mexico dropped dramatically as it was separated from the rest of the world's oceans and Earth entered a period of extreme warming.

And it's possible that we are currently no warmer than we were a thousand years ago, during the «Medieval Warm Period» or «Medieval Optimum,» an interval of warm conditions known from historical records and indirect evidence like tree riWarm Period» or «Medieval Optimum,» an interval of warm conditions known from historical records and indirect evidence like tree riwarm conditions known from historical records and indirect evidence like tree rings.

On particular case in point was this past winters extremely warm periods, in fact as I can recall Michael Mann write, about North Americas sea of red temperature anomalies of January as something which is supposed to happen «20 years» from now.

So, apart from the accusations of cherry - picking and ad hominem attacks, can we conclude that the ME warm period was not as warm as today?

That a warmer world is likely to lead to increased winter rainfall, particularly intense periods of rainfall, over the UK, comes from well understood science.

As a consequence, their results are strongly influenced by the low increase in observed warming during the past decade (about 0.05 °C / decade in the 1998 — 2012 period compared to about 0.12 °C / decade from 1951 to 2012, see IPCC 2013), and therewith possibly also by the incomplete coverage of global temperature observations (Cowtan and Way 2013).

Scientists have unearthed a new bird species from fossils in the Canadian Arctic dating back about 90 million years, making them the oldest records of avian species found so far north and suggesting an intense warming event occurred during the late Cretaceous period.

The study contains an analysis of published records from a period of rapid climatic warming about 55 million years ago known as the Palaeocene - Eocene thermal maximum, or PETM.

In 1950s only the most northerly glaciers appeared to be retreating, but a transition from advance to retreat appeared to move down the Antarctic Peninsula over a period of about 10 to 20 years, broadly in line with what we would expect if this was a consequence of the warming that has been measured in this area.

According to the study, published in the Journal of Vertebrate Paleontology on Tuesday, after the dinosaurs died out 66 million years ago, the Earth experienced an extremely warm period called the Early Eocene about 53 million to 50 million years ago, during which period, North American mammal communities were quite distinct from the ones that exist today.

Periods of volcanism can cool the climate (as with the 1991 Pinatubo eruption), methane emissions from increased biological activity can warm the climate, and slight changes in solar output and orbital variations can all have climate effects which are much shorter in duration than the ice age cycles, ranging from less than a decade to a thousand years in duration (the Younger Dryas).

Carozza et al (2011) find that natural global warming occurred in 2 stages: First, global warming of 3 ° to 9 ° C accompanied by a large bolus of organic carbon released to the atmosphere through the burning of terrestrial biomass (Kurtz et al, 2003) over approximately a 50 - year period; second, a catastrophic release of methane hydrate from sediment, followed by the oxidation of a part of this methane gas in the water column and the escape of the remaining CH4 to the atmosphere over a 50 - year period.

Predicted changes in orbital forcing suggest that the next glacial period would begin at least 50,000 years from now, even in absence of human - made global warming (see Milankovitch cycles).

In a new study published today in Nature, researchers from UCL (University College London), University of Cambridge and University of Louvain have combined existing ideas to solve the problem of which solar energy peaks in the last 2.6 million years led to the melting of the ice sheets and the start of a warm period.