Sentences with phrase «average air temperatures»

«In previous tests, we found snow melt runoff was positively correlated with average air temperatures [increases] throughout the winter, but correlations don't always necessarily mean that one thing causes another,» Dudley told LiveScience.
Average air temperatures over land in the Arctic have increased by 3 °C since the beginning of the 20th century.
Global average air temperatures have increased relatively slowly since a high point in 1998 caused by the ocean phenomenon El Niño, but observations show that heat is continuing to be trapped in increasing amounts by greenhouse gases, with over 90 % disappearing into the oceans.
Global average air temperatures have already increased by over 1 ° F and are projected to rise between 2.5 and 10.5 ° F or more by the end of this century, an unprecedented magnitude and speed of change.
The thawing of permafrost in the region has been linked to global warming.5 Annual average air temperatures rose 1.1 ° F (0.6 ° C) from 1960 to 2005,6,11,12 while permafrost at a depth of 33 feet (10 meters) warmed an average of 0.5 ° -1.3 ° F (0.3 ° -0.7 ° C).6, 12
According to a climate change adaptation report from the city government, average air temperatures in Rio have increased by about 0.05 degrees Celsius per year in recent decades.
Subsurface ocean warming explains why global average air temperatures have flatlined since 1999, despite greenhouse gases trapping more solar heat at the Earth's surface.
The primary ways to monitor global average air temperatures are surface based thermometers (since the late 1800s), radiosondes (weather balloons, since about the 1950s), and satellites measuring microwave emissions (since 1979).
They showed that in the relatively cool winemaking areas of France and Switzerland, early harvests have always required both above - average air temperatures and late - season drought.
After above - average air temperatures and record ice loss in May 2010, the ice extent at the beginning of June fell below the previous record minimum for the same day in 2006.
Average air temperatures over the Arctic Ocean were much higher than normal for the month, reflecting unusual atmospheric conditions.
It's clear that weather stations on land show average air temperatures are rising, and as a result, the frequency and severity of droughts and heat waves are increasing.
While the eastern U.S. suffered very cold temperatures in the recent cold snap, much of the rest of the Northern Hemisphere saw higher - than - average air temperatures.
Dana, I think you are pushing in the right direction with this; heat content is a much more direct measure of the underlying changes to the climate system than average air temperatures and climate science communicators should make heat content their first response to the suggestion that global warming is something that waxes and (allegedly, recently) wanes.
At some heights average air temperatures have been dropping as much as a full 10 degrees Celsius, that's 18 degrees Farenheit, every decade.
«Higher - than - average air temperatures....
The chart below, by Zack Labe at the University of California at Irvine, shows how daily average air temperatures over the Arctic (red line) have spent most of January and February substantially above average (white line).
Average air temperatures around the world are rising.
Global warming, the phenomenon of increasing average air temperatures near the surface of Earth over...
Meanwhile, average air temperatures in the region rose 1.5 °C over the past 5 decades, nearly twice the global average.
For a long time now climatologists have been tracking the global average air temperature as a measure of planetary climate variability and trends, even though this metric reflects just a tiny fraction of Earth's net energy or heat content.
Average air temperature is an important indication of energy changes, but it doesn't tell us everything.
Chris, you write > average air temperature and not the daytime temperature that > makes a difference in dry cooling, but he is a lawyer, not an engineer.
He seems to misunderstand that it is the average air temperature and not the daytime temperature that makes a difference in dry cooling, but he is a lawyer, not an engineer.
Thus, small changes of global average air temperature are associated with very large changes in some regions, particularly over land, at mid - to high latitudes, in mountain regions.
Global average air temperature near the surface is dominated by the ocean (because it covers two thirds of the planet), particularly at low latitudes.
And yet, when you do trends of global data you are averaging air temperatures over intervals where the heat content is not continuous, and thus the trend that is the average temperature does not show the actual trend of the heat content.
As the Earth warms and sea level rises, it is inundated with seawater, which is 12 - 15 degrees warmer than the average air temperature.
The only significant atmospheric warming is where the local average air temperature is LOWER than 280K.
[20] Summer surface temperatures in the lake appeared to have increased by about 4.5 °F (2.5 °C) since 1979, compared with an approximately 2.7 °F (1.5 °C) increase in the surrounding average air temperature.
Williamson, S.N., D.S. Hik, J.A. Gamon, A.H. Jarosch, F.S. Anslow, G.K.C. Clarke and S. Rupp, submitted: MODIS LST is inherently cold - biased in snow covered mountain terrain when compared with average air temperature.
Pritchard noted that the Antarctic Peninsula's annual average air temperature has risen 5.4 degrees Fahrenheit (3 degrees Celsius) since 1950, while near - surface ocean waters have warmed 1.8 degrees Fahrenheit (1 degree Celsius).
Average air temperature over the land and sea surface was 0.56 degrees Celsius above the long - term average, tied with 2010 as the joint warmest year on record.
Since 2001, the average air temperature at Earth's surface has risen more slowly than it did in previous decades.
The average air temperature in Barrow has increased by 3 degrees Fahrenheit (1.7 degrees Celsius) from 2000 to 2010.
People don't wake up and say «oh gee, that global average air temperature that's gone up by point zero one of degree from last year has really affected my life».
Consequently, assuming mild greenhouse gas emission scenario (RCP2.6), areal extent of the conditions suitable for the processes in the study areas can contract 70 % by 2050 owing to changes in average air temperature and precipitation.
The blue points are the 1999 version of the GISS land + sea global average air temperature record.
This value of 375 CO2 - e is the actual forcing that is currently acting to warm the oceans, melt ice, and cause gradual upwards changes in average air temperature.
Solar ponds can be more than 60 C warmer beneath the water as compared at the surface or average air temperature.
These metrics emphasise fields between 30S and 30N including 2 m air temperature (Willmott and Matsuura 2000), vertically averaged air temperature (ERA40, Uppala et al. 2005), latent heat fluxes of the ocean (Yu et al. 2008), zonal winds at 300 mb (ERA40, Uppala et al. 2005), longwave and shortwave cloud forcing (CERES2, Loeb et al. 2009), precipitation over land and ocean (GPCP, Adler et al. 2003), sea level pressure (ERA40, Uppala et al. 2005), vertically averaged relative humidity (ERA40, Uppala et al. 2005).
The truth is that the radiative temperature of the Earth is measured from space IS -18 C. And it is true that the average air temperature near the surface of the earth is 15C.
The 24 hour average air temperature at 10m was 13.8 C compared to Teff of 12.8 C.
Using computer climate models, climatologists have established that the recent trend of an increasing global average air temperature, especially since the mid-20 th century, is unprecedented and unnatural.

Not exact matches

«Cold Canadian air will arrive Thursday night and Friday with below average temperatures and periods of lake effect snow showers,» the alert said.
The findings were not a total surprise, with future projections showing that even with moderate climate warming, air temperatures over the higher altitudes increase even more than at sea level, and that, on average, fewer winter storm systems will impact the state.
But climate models predict reductions in dissolved oxygen in all oceans as average global air and sea temperatures rise, and this may be the main driver of what is happening there, she says.
With an average annual air temperature of -2.2 F and an average precipitation of 3 - 50 mm per year, the McMurdo Dry Valleys of Antarctica are dominated by dry soils underlain by permafrost.
Maps of median TAE averaged across 23 model simulations for (a) and (b) mean surface air temperature, (c) and (d) highest daily maximum temperature, (e) and (f) lowest daily minimum temperature, (g) and (h) total precipitation, and (i), (j) maximum 1 - d precipitation for (a), (c), (e), (g) and (i) June - August and (b), (d), (f), (h) and (j) December - February.
The study found that after the initial decrease of solar radiation in 2020, globally averaged surface air temperature cooled by up to several tenths of a degree Celsius.
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