Sentences with phrase «through warming periods»

The findings challenge the idea that the bears adapted very quickly, but confirm that they have made it through warming periods and loss of sea ice before.
When confronted with a contrarian who argues that somehow global warming isn't taking place, I would point to the Arctic sea ice and glaciers — which have even lasted through the warm periods of the past two thousand years — and probably well before.
What do you say about the fact that Mars, as well as other planets, have been going through a warming period very similar to ours?
We already know we can soldier on through a warm period of the MWP variety so maybe that's the only lesson there — as Gavin says, not that interesting.
The AO was positive right through the warming period.

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.
Florida's average temperature from January through April 2017 was the warmest during that period on record.
Many women who are initially opposed to the idea warm up to it as they are going through menopause and find that life doesn't have to end when their periods do.
Depending on the circumstances, contact with babies is limited to short periods of being held, and sitting beside the incubator (the see - through box that keeps babies warm and surrounded by clean, humid air).
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.
«We found compelling evidence that invasive shrubs, such as Japanese barberry, are ready to leaf out quickly once they are exposed to warm temperatures in the lab even in the middle of winter, whereas native shrubs, like highbush bluberry, and native trees, like red maple, need to go through a longer winter chilling period before they can leaf out — and even then their response is slow,» says Amanda Gallinat, a second - year graduate student and third author of the paper.
Still, dramatic climate swings were not terribly unusual during this period in Earth's history, and the Patagonian megafauna had made it through several warm periods before the one that finally did them in.
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.
Once released through combustion, it remains in the atmosphere for hundreds, even thousands, of years and continues its job as a driver of global warming over a long period of time.
The researchers suggested this could be accomplished through making warm - up periods more vigorous, having more frequent and longer practices of dance moves and including a segment of vigorous exercise in each class to improve fitness.
They occurred as the planet cycled through cold and warm periods linked to changes in its orbit around the sun.
So warm, in fact, that the December - through - February period came in as fourth - warmest winter on record for the Lower 48 states.
Ice sheet models can be run through many glacial cycles (i.e. cold glacial periods and warm interglacial periods).
Secondly, the Arctic's temperatures actually plunged dramatically from the warm 1920s - 1940s period all the way through to the mid-1990s.
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.
I recently looked through the arguments on the Medieval warm period business over at «co2science.org» — here's the link, though I hesitate to give it any more publicity:
And through detailed studies of the local physics of ice - sheet changes and more refined reconstructions of ice - sheet changes during warm periods of the geological past, scientists may become able to distinguish between the two roads sooner.
Since NOAA began keeping records in 1880, the combined global land and ocean surface temperature was the warmest on record for both April and for the period from January through April in 2010.
A warming climate encourages wildfires through a longer summer period that dries fuels, promoting easier ignition and faster spread.
I live in North Jersey... However, the car I was looking for was in Philadelphia (about 130 miles away)... Loreal new this and called me the day I was... coming down... She wanted to let me know there was a scratch on the windshield... I was impressed with that because, she was more concerned with me traveling over 250 miles (both ways) than making her sale... Regardless, when I arrived and met Loreal, she was informative, friendly and greeted me with a warm friendly smile... What surprised me was this continued throughout the process... Loreal, was very accommodating and every concern I had, She guided me through this... I realize this is only the «honeymoon» period of having this car....
coming down... She wanted to let me know there was a scratch on the windshield... I was impressed with that because, she was more concerned with me traveling over 250 miles (both ways) than making her sale... Regardless, when I arrived and met Loreal, she was informative, friendly and greeted me with a warm friendly smile... What surprised me was this continued throughout the process... Loreal, was very accommodating and every concern I had, She guided me through this... I realize this is only the «honeymoon» period of having this car....
They have been through three ice ages and the global warming periods that followed.»
Prevention of these injuries involves maintaining your dog's physical conditioning through adequate exercise, warm - up periods prior to performance events such as agility and common sense (think about what you would do for yourself).
If you look back 12 months, the period from June 2011 through May 2012 was the warmest 12 - month block since records started to be kept more than a century ago.
The Sea of Cortez liveaboard season runs from August through November which is the warmest period.
[ANDY REVKIN responds: I daresay I've brought Dr. Hansen's research and conclusions as much or more publicity over the course of his career than any other science writer, starting with a 6,000 - word cover story on global warming in Discover Magazine in 1988 that opened with his Senate testimony and continuing through the period when political appointees at NASA tried to stop him from speaking out.
If you want to assume that aerosols resulting from pollution produced by the burning of fossil fuels were responsible for the cooling evident from 1940 through the late 70's, then you have no reason to claim ANY degree of warming due to CO2 forcing during any earlier period.
Benestad, tell them when Halvdan Svarte went through the ices and drowned in Røykenviken Randsfjorden With horses and men in the warm mideival period and thus decided the SAGA.
I particularly enjoyed the slides that, when combined (1) provided an overview of hotter and cooler CO2 molecules as it relates to how they are seen from outer space and from profile — because this will make it easier for me to explain this process to others; (2) walked through the volcanic and solar activity vs assigning importance to CO2 changes — because this another way to help make it clearer, too, but in another way; (3) discussed CO2 induced warming and ocean rise vs different choices we might make — because this helps point out why every day's delay matters; and (4) showed Figure 1 from William Nordhaus» «Strategies for Control of Carbon Dioxide» and then super-imposed upon that the global mean temperature in colors showing pre-paper and post-paper periods — because this helps to show just how far back it was possible to make reasoned projections without the aid of a more nuanced and modern understanding.
Fossil evidence is cementing the idea that the species is at least 200,000 years old or more (meaning it's been through substantial warm periods).
[Added Dec. 31, 9:00 a.m. In mid November, he made a prediction, posted on the National Science Foundation website, that the period from December through February would see unusual cold in the east, as the west remains warm given the power of this ElNiño.]
Since a commenter mentioned the medieval vineyards in England, I've been engaged on a quixotic quest to discover the truth about the oft - cited, but seldom thought through, claim that the existence of said vineyards a thousand years ago implies that a «Medieval Warm Period «was obviously warmer than the current climate (and by implication that human - caused global warming is not occuring).
For instance: When did King Halvdan Svarte plunge through the ice of Randsfjorden with horses and all his men in the warm mideival period?
They do go down a bit (to the mid 270's ppm) right through 1600 and 1700's so these tiny changes do seem to correlate a bit with the warm and cool periods possibly.
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.
The paper also finds that several significant past climate fluctuations — including a warm spell that peaked around 1100 A.D. called the medieval warm period and the so - called little ice age from the 1400s through the 1700s — were global in scope.
The warming period from about 1920 — 1950 has been attributed to a combination of greenhouse gases (which were increasing through the period to some extent), solar changes, and unusually low volcanic activity.
Under the Web site headline «Global Warming «May Cut Deaths,»» it reported 20,000 deaths are linked to the cold each year in the U.K. and that those deaths fell 3 % a year from 1971 through 2003, a period in which summers warmed but heat - related deaths did not change.
The paper summarizes findings that strongly imply the Greenland ice sheet was in pretty good shape through a very warm period centered around 125,000 years ago, the Eemian.
wmar (3) wrote «All through human history we and society thrived in the warmest periods and suffered in the coldest.»
The month of April, and the stretch from January through April, were both the warmest such periods in the instrumental record, according to the latest analysis by the National Oceanic and Atmospheric Administration.
In the real world the most obvious and most common reason for an increase in the speed of energy flow through the system occurs naturally when the oceans are in warm surface mode and solar input to the oceans due to reduced global albedo is high as apparently occurred during the period 1975 to 1998.
he shows that co2 reached a level of 450 ppm in 1942; due to the warming in the period 1920 through 1940 plus the co2 output of world war 2; climbing from 320 ppm in 1920 and returning to 330 ppm in the 50's.
«If the surface temperature resumed the warming rate that we observed from, say 1977 through 1998, we would still go close to a quarter of a century without significant net warming because there's such a long flat period built into the record now.
«At the end of the last ice age around 11,000 years ago, the ice sheet went through a period of rapid, sustained ice loss when changes in global weather patterns and rising sea levels pushed warm water closer to the ice sheet — just as is happening today,» NASA said.
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