Sentences with phrase «glacial conditions»
The phrase "glacial conditions" refers to extremely cold temperatures and harsh weather conditions, similar to those experienced in icy regions like glaciers. Full definition
A map of sea ice extent at the climax of the Last Glacial Maximum (both perennial and seasonal ice), prepared with the help of a colleague, makes it possible to discuss what genetic and fossil evidence can tell us about the probable effects of glacial conditions on polar bears and ringed seals.
polarbearscience.com
Equilibrium sensitivity, including slower surface albedo feedbacks, is 6 °C for doubled CO2 for the range of climate states between glacial conditions and ice - free Antarctica.»
[Response: In our model they only occur under glacial conditions, not under Holocene conditions.
It explains the work of Seth Young, explaining how the world fell into glacial conditions during the Late Ordovician.
Other processes must be responsible for the 40 - to 50 - ppm pCO2 drawdown during the initial transition from interglacial to glacial conditions as well as for a comparable pCO2 increase during the latter part of glacial terminatins.
Cold glacial conditions predominate 70 % of the time while warmer interglacial conditions occur about 30 % of the 100,000 years.
During the last part of the Pleistocene there were actually five major periods of glaciation with four periods of warmer non glacial conditions between them.
Available evidence indicates that the current warming will not be mitigated by a natural cooling trend towards glacial conditions.
We have a very strong idea that human activity has stopped an ice age — paleo analogues suggest that we should have been gradually moving back to glacial conditions since the holocene climatic optimum 6000 years ago..
However, for intermediate glacial conditions, for example, for the period − 110 ky to − 75 ky, dust fluxes are much lower, approaching low interglacial levels.
Between the two thermal excursions, climate darted to near glacial conditions, and then went all - in after the 2nd one.
«Humans in this region thrived through the Toba event and the ensuing full glacial conditions, perhaps as a combined result of the uniquely rich resource base of the region and fully evolved modern human adaptation,» study authors noted.
It's already in something like a permanent DO event state, the basin is well - flushed, and small variations in freshwater input, which accumulate under glacial conditions, can not accumulate.
Aren't the neo-glacial readvances and other signs of a cooling climate during the past 3,000 years evidence of a gradual return to glacial conditions (prior to the anthropogenic influence brought on by the industrial revolution)?
«Studying past oceanography and glacial conditions can better constrain the variability of Circumpolar Deep Water and its role in ice shelf stability of the West Antarctic Ice Sheet,» she said.
Similarly, NOAA shows temperatures cooling by 8 to 10C from interglacial to glacial conditions.
This additional heat transport may also have increased snowfall in Arctic regions through enhanced evaporation and precipitation, facilitating the return to glacial conditions (McManus et al., 2002).
They reported a «rather sudden change from more or less stable glacial conditions» about 11,000 years ago, a change from fully glacial conditions to modern warmth within as little as a thousand years.
«The time span of the last 130,000 years has seen the global climate system switch from warm interglacial to cold glacial conditions, and back again.
The AMOC is eventually reduced in the modern climate, but intensified in the glacial condition (see Figure).
This overshoot is caused predominantly by the reduction of the meltwater in the northern North Atlantic associated with the retreat of the large amount of sea ice, an effect that becomes dominant when the subpolar North Atlantic is covered by sea ice as in the glacial condition.
The AMOC response to the sudden doubling of CO2 differs significantly between the modern and the glacial conditions.
After the initial development of glacial conditions, the Earth system alternated between two modes, one of cold temperatures and growing glaciers and the other of relatively warm temperatures (although much cooler than today) and retreating glaciers.