Sentences with phrase «period of warming»

In the 50 year period of warming in your model run without external forcing is it possible for you to workout what caused that excursion?
There is considerable evidence for the Medieval Warm Period and other periods of warmer temperatures.
Ice ages alternate between periods of warm and cold.
There was a significant period of warming during the last 20 years of the 20th century, followed by a significant slowdown in warming during the 21st.
It also helps explain why short periods of cooling can occur within longer - term periods of warming.
In fact the past century has witnessed two distinct periods of warming and cooling.
This can provide us higher confidence that prior reports of global warming were accurate and that we presently live during a somewhat exceptional period of warming.
Nonetheless, the longer records suggest that similar periods of cooling and periods of warming also occurred in the 18th and 19th centuries.
Future investigations could focus on details of how ice sheets near the poles melted during historic periods of warming.
During periods of warming, like now, more water shifts to the equator instead.
Yet in the next breath, the same person will assure you that the 28 - year - long period of warming which occurred between 1970 and 1998 constitutes a dangerous (and man - made) warming.
It's the first time in the history of earth in which there has been such a rapid period of warming as a result of human activity;
In some years, March arrives and ushers in periods of warmer weather coupled with sunshine and chirping birds.
Short periods of warm climate in the midst of the last ice age triggered boom - and - bust cycles in the populations of large mammals in the Arctic, the researchers found.
There was a 30 - year period of warming from 1910 - 1940, then a cooling from 1940 to 1970, just as CO2 emissions began to rise exponentially, and then a 30 - year warming from 1970 - 2000 that was very similar in duration and temperature rise to the rise from 1910 - 1940.
Figure 6: The Escalator shows how, by picking your times carefully, you can make global warming disappear into lots of periods of no warming.
Meanwhile, Pederson said he sees an important difference between modern conditions and the brief 14th - and 15th - century periods of warm temperatures and low snowpack along the Columbia and Missouri river headwaters.
The Earth has experienced several periods of warming in the past 200 years.
Shakun and Marcott were on the team who published the paper last year that reversed the thinking on the subject of whether increases in CO2 occurred before or after periods of warming.
Sustained periods of warmer water might reduce crocodiles» ability to find food and dodge predators, they say.
«We have known that populations of these crabs can explode following periods of warmer temperatures,» says Nathaniel Evans of the Florida Museum of Natural History in Gainesville.
Polar bears are likely to have survived periods of warming before.
We usually see these tropical whales in mid-summer or during an extreme period of warming in our local waters.
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.
You can have a long period of cold air at the surface with little turbulent mixing and little energy transfer, followed by a short period of a warm surface and lots of turbulence and energy transfer - ending with a time average of warm over cold, but a time average of upward energy transfer.
Sprint interval training is a well - defined form of HIIT, involving only 3 minutes of activity per session, not including periods of warm - up and cool - down.
The amount of global temperature increase and the short time over which it's occurred create a change in velocity that outstrips previous periods of warming or cooling, the scientists said in research published in today's Science.
However, other periods of warming prior to that peiod suggests that co2 is a pretty minor driver and the variation we can see is basically natural tonyb
Greenland temperature variability is high and there is evidence during the late Medieval Warm Period of a warm period in year 1150, that is 862 years before present (Kobashi et al. 2011).
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