Sentences with phrase «during warmer periods»

Sure, parts of Greenland were probably greener during warmer periods of our planet's history than they are now.

Another point is that during these warmer periods the temps rose fairly rapidly along the same curve as today.

This would be manifested in drift to more El Nino events during warmer periods of reduced cloud cover and La Nina events during cooler periods of increased lower tropospheric cloud cover.

Fortunately it normally occurs in very low concentration in the atmosphere — about 0.3 to 0.4 ppm during glacial periods and 0.6 to 0.7 ppm during warmer periods.

As the temperature warms, CO2 is released into the atmosphere, hence the increase in CO2 levels during warmer periods in time.

IN FACT IT IS WELL KNOWN THAT DURING GLACIAL PERIODS THE CLIMATE WAS MUCH DRYER, AND DURING WARMER PERIODS MUCH WETTER.

Fortunately it normally occurs in very low concentration in the atmosphere — about 0.3 to 0.4 ppm during glacial periods and 0.6 to 0.7 ppm during warmer periods.

«There seems to be a limit on how strong these ancient storms might be, but the number getting close to the limit appears to be larger during warmer periods,» Korty explains.

Under the model they developed, the scientists say the likelihood of Bd occurrence is predicted to decrease during warmer periods, and when precipitation exceeds an annual rainfall threshold above 1,800 mm per year.

Great flood: the filly of a large basin by raising oceans during the warming period after the last ice age.

Scientists may also become able to distinguish between different scenarios sooner by studying the physics of local ice - sheet changes and refining reconstructions of changes during warm periods in geological history.

If the onset of maturity comes earlier in the season, it means that grapes ripen during a warmer period — affecting sugar levels, aromas and flavors and changing the unique identity that connoisseurs look for in regional wines.

The Norse settled Greenland from Iceland during a warm period around 1000 C.E..

And in many places, it's moving faster than the ice is thought to have retreated during the warming period at the end of the last ice age, around 20,000 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.

During the warm periods between recent ice ages, temperatures in Antarctica reached substantially higher levels than scientists had previously thought.

During the warm period, the core also shows a large increase in organic matter from plants growing in and around the lake.

The nutritional diversity of these sites allowed hominins to colonise the Atlantic fringe of north west Europe during warm periods of the Pleistocene.

During warm periods in the North Atlantic, on the other hand, the Titicaca region experienced drought.

That may not have occurred during the warm period 400,000 years ago, known as Marine Isotope Stage 11 to scientists, which featured elements such as boreal forest on Greenland and higher sea levels.

The team's findings, published in Nature, support the idea that during warming periods, temperatures rise across the globe.

This travel corridor allowed mammals to come to Alaska when their favored foods — grasses, sedges, and rushes — thrived during warm periods.

Working with David Pollard of Pennsylvania State University, DeConto calibrated this model using data on past sea level rises during warm periods 120,000 and 3 million years ago.

By studying the relationship between CO2 levels and climate change during a warmer period in Earth's history, the scientists have been able to estimate how the climate will respond to increasing levels of carbon dioxide, a parameter known as «climate sensitivity».

On average, the Bighorn Basin teeth were 10 - 20 % smaller during the warm periods.

But now we've got significantly more CO2 in the atmosphere than there was even during the warm periods, and climate scientists have some hints that we're actually at the highest levels in perhaps 15 million years.

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.

Lake Tanganyika last reached 24.3 degrees Celsius during a warm period between 600 and 900 years ago.

«Big surprise» though that heavier thunderstorms occur during warm periods.

Life thrived during warming periods and struggled and died out during cooling.

(Reference 1) During these warm periods, there are cycles of relatively cold weather such as the Maunder Minimum during the mid-seventeenth century.

During this warm period, many daily records were broken and some locations set new records for their warmest January temperature on record.

During the warming period from 1880 to 1938, it's estimated that the atmospheric concentration of carbon dioxide — the bugbear of greenhouse gases to global warming worriers — increased by an estimated 20 parts per million.

These happen during warming periods as glaciers melt and can lead to sea - level rise rates of 4 m per century.

I won't make too much of my usual argument on the sun, except to say that the Sun has been substantially more active during the warming period of 1950 - 2000 than it has been in other times.

If you use data during a warming period to populate your models you will get out of bounds warming forecasts.

Those extremes are smoothed out during a warm period such as the MWP and the modern warming period.

Curve fits made during a warming period between the little ice age and now.

During the warm period, the core also shows a large increase in organic matter from plants growing in and around the lake.

However, this effect seems not to be strong enough to prevent CO2 rising during a warm period in the ice ages.

Anyone who believe the Arctic did not open during every warm period in the past ten thousand years is ignoring the repeating cycles in the data.

The Arctic does open during warm periods.

During that warm period, only 6.5 per cent of our energy was being generated by wind.

After this warm period a cold period will follow because during the warm period, snow will fall to replenish the ice on land.

During the warm period, faster currents cause more tropical water to travel to the North Atlantic, warming both the surface and the deep water.

The CBD wrote, «The Emperor colony at Terre Adelie in East Antarctica» featured in the Academy Award - winning French documentary, March of the Penguins» plummeted by more than 50 % in the late 1970s during a warm period with little sea ice cover, when adults died en masse.

The minimum phase showed higher frequency events of volcanic activity than the maximum phase during the warming period, opposite to the cooling period.

Possibly the strongest indication of whether A drives B or B drives A; is that the lag is much greater during the cooling periods than it is during the warming periods.

All it shows is that if there is greater cloud cover it tends to be cooler, it certainly doesn't support your assertion regarding cloud cover during a warmer period.

The mid-12th century drought provides a baseline worst - case in terms of the temporal and spatial characteristics of drought during a warm period, but future water resources and drought planning should consider a number of other factors including trends in temperature, water demands, disturbance legacies, and possible land cover feedbacks.