Sentences with phrase «mean annual temperature»

The lower 48 states are projected to cross the 2 - degree C warming threshold about 10 to 20 years earlier than the global mean annual temperature, they note.
Also, the 2006 blooms occurred during the «decade with the warmest mean annual temperatures and the earliest ice - off dates,» the study said.
Knowing that there had been an increase of from 1 to 1 1/2 degrees in mean annual temperature in these Alps over the last century, the researchers expected to see plants accommodate to the change by moving upward about 10 yards a decade.
A key reason for the destructive potential of aggressive species like the MPB is plasticity in the number of generations produced per year, which correlates well with mean annual temperature.
The researchers used oxygen isotopes left by freshwater in the fossils to track mean annual temperature from when the animals had been alive.
Black boxes represent mean annual temperature (MAT) estimates for each genus identified at the site, with gray whiskers representing the minimum MAT and maximum MAT of the range for each genus.
Other researchers uncovered clues, such as plant fossils from peat bogs, that suggest mean annual temperatures on Canada's now - frozen Ellesmere Island near Greenland were as much as 18 degrees higher than today (SN: 4/6/13, p. 9).
Interpolated surfaces showing the change in mean annual temperature across Alaska for three different time series: 1949 − 2009, 1949 − 1976, and 1977 − 2009.
Interestingly the highest mean annual temperature observed anywhere on the earth is a salt desert in Ethiopia near the equator (34.4 C).
Kump and David Pollard, senior research associate, Earth and Environmental Systems Institute, looked for another way to create a world where mean annual temperatures in the tropics were above 100 degrees Fahrenheit and polar temperatures were in the 50 - degree Fahrenheit range.
«We see this in the Antarctic Dry Valleys, where seasonal temperature variation is sufficient to form and sustain lakes even though mean annual temperature is well below freezing,» Palumbo said.
This is the depth you can start thinking about leveraging thermal inertia to offset heating and / or cooling bills through things like daylight basements and earth berm construction if the area has a suitable mean annual temperature.
The HadCM3 and PCM simulations project increases in mean annual temperatures averaged across the state of California of 2.3 — 2.2 °C under B1 and 3.8 — 5.8 °C under A1FI by 2070 — 2099.
Although the regions largely coincide with the continents rather than climatological criteria, the annual mean temperature averaged over these regions explains 90 % of the global mean annual temperature variability in the instrumental record»
However, it is noteworthy to mention that these previous studies used mean annual temperature (MAT), not MWMT, in their analyses.
Future mean annual temperatures are projected to increase 4.1 to 5.7 ° F by the 2050s and 5.3 to 8.8 ° F by the 2080s, relative to the 1980s base period.
However, studies conducted on a smaller scale in Finland and elsewhere in Scandinavia using long - term data sets and time - series analyses have found that more males are born in years with higher mean annual temperatures [7], [11], [14], which suggests that mean ambient temperature affects maternal condition and influences the SSR.
Here, we estimate mean annual temperature (MAT) based upon three independent proxies from an early Pliocene peat deposit in the Canadian High Arctic.
I thought I could delve into this topic like an engineer or architect, showing: heating degree - day isotherms, cooling degree - day isotherms, and mean annual temperature maps.
Projections of global mean annual temperature change for SRES and CO2 - stabilisation profiles are presented in Box 2.8.
Given the fact that the latitudinal position of successful post-fire regeneration of lichen - spruce woodlands is situated approximately 1.5 ° south of the Boniface area (Payette et al. 1989a, b), as a rule of thumb it is probable that a drop of at least 1 °C in mean annual temperature occurred after 900 cal.
Around Antarctica, ice shelves form where mean annual temperatures are less than -9 °C, with sequential break up of ice shelves as temperatures increase [3 - 5].
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