Sentences with phrase «of atmospheric heating»

Land has a strong control on the vertical distribution of atmospheric heating.

Due to the huge volume of sea water and the density differentials between air and ocean that would be impossible or would require such huge amounts of atmospheric heating and such huge lengths of time that for practical purposes it should be ignored.

In terms of magnitude of atmospheric heating effect, aborbed solar seems to rank a close second behind latent heating, in terms of net heating.

That said, the efficiency of the atmospheric heat engine is rather low; from time to time, inefficiency causes the disparity between the warm source and the cold sink to increase.

Scientists at Pacific Northwest National Laboratory showed that global climate models are not accurately depicting the true depth and strength of tropical clouds that have a strong hold on the general circulation of atmospheric heat and the global water balance.

But your papers claim of a «bias» in the surface temperature record * if * it is used as a linear predictor of atmospheric heat content only makes sense * if * indeed people had used it in that sense.

In 1896 Swedish chemist and Nobel laureate Svante Arrhenius used Langley's bolometer to measure the heat from the Moon at various altitudes above the horizon in order to estimate the dependence of atmospheric heat trapping on amount of water vapor and CO2 along the line of sight to the Moon, a much longer path near the horizon than at 45 degrees.

14), addresses the mechanisms of atmospheric heat transfer not only via radiation but also by convection, which is not mentioned once in the IPCC's scientific reports (Ref.

Keystone would boost that total to 2.2 million barrels per day, enrich the pit owners, and lay the groundwork for an ever - more - rapid exploitation of this dangerous pile of atmospheric heat - venom.

Magnusdottir, G., and R. Saravanan, 1999: The response of atmospheric heat transport to zonally - averaged SST trends.

This work established the standard radiative - convective model of atmospheric heat transfer.

Perhaps the negative feedback of cloud cover has kicked in, dampening global warming, or the ocean absorption of atmospheric heat is playing a new and more decisive role.

These models predicted that the Northern Hemisphere Polar region would warm fastest and first, that the Southern Ocean would draw a greater portion of atmospheric heat into the ocean system, and that land ice melt near Greenland and West Antarctica would generate cold, fresh water flows into the nearby ocean zones and set off localized cooling.

Are they stating that much of the atmospheric heat is due to absorption of insolation from the sun and conducted energy from the surface, vs absorption of LWIR from the surface?

While there is some influence of differences in forcing patterns among the scenarios, and of effects of oceanic uptake and heat transport in modifying the patterns over time, there is also support for the role of atmospheric heat transport in offsetting such influences (e.g., Boer and Yu, 2003b; Watterson and Dix, 2005).

All that is needed is to add heat carried upwards past the denser atmosphere (and most CO2) by convection and the latent heat from water changing state (the majority of heat transport to the tropopause), the albedo effects of clouds, the inability of long wave «downwelling» (the blue balls) to warm water that makes up 2 / 3rds of the Earth's surface, and that due to huge differences in enthalpy dry air takes far less energy to warm than humid air so temperature is not a measure of atmospheric heat content.

Atmospheric temperature is not a measure of atmospheric heat content.

Furthermore the concept of atmospheric heat engine is not ofter used directly in actual science as far as know, it's rather a way used to help understanding one important aspect of the Earth system.

My point was that Willis used the concept of atmospheric heat engine erroneously.

Not exact matches

Darin Toohey, a professor at the University of Colorado's atmospheric and oceanic sciences department and one of the paper's authors, says black carbon absorbs shortwave radiation from the sun, causing the atmosphere to heat up.

The first is that our planet's oceans act as a massive watery heat - sink, and currently absorb more than 90 percent of increased atmospheric heat that are associated with human activity.

Sweltering summertime heat waves are on the rise across the Northern Hemisphere because of atmospheric changes brought on by Arctic warming, new research shows.

«Clouds are one of the major feedbacks in cooling and heating the surface» of the ice, said Nate Miller, an atmospheric science graduate student at the University of Wisconsin, Madison.

This will reveal both the signatures of atmospheric ingredients such as water, methane, and carbon dioxide, and also how heat flows from the planet's dayside to its nightside.

On a global scale, the heating of atmospheric molecules causes the lower atmosphere, or troposphere, to expand and stretch higher during the day; it then settles back down as it cools at night.

The complex interactions of atmospheric turbulence and heat transport affect global climate.

James McCarthy, professor of biological oceanography at Harvard, says this summer's record heat and dryness could have occurred with lower atmospheric carbon dioxide concentrations — but it would have been highly unlikely.

«I knew just from basic physics that there would be a point at which heat and humidity would become intolerable, and it didn't seem that anyone had looked at that from a climate change perspective,» says Steven Sherwood, an atmospheric scientist at the University of New South Wales in Sydney, Australia.

To survive 50 millennia and return its payload to Earth intact, KEO must have many layers of shielding — aluminum to protect against oxidation, tungsten and titanium to protect against meteors and cosmic rays, ceramic to protect against the heat of atmospheric reentry.

Computer model finds historical patterns In order to learn that this atmospheric pattern exists in advance of heat waves, Teng and her co-authors had to look far back in the history of heat waves — from before weather records were kept.

Of course, the extra heat trapped by human greenhouse gas emissions is likely to play a bigger role than raindrop friction in any atmospheric changes.

Yet despite the importance of these «atmospheric rivers» for the global water and heat cycles, the mechanism behind their formation is still a mystery.

That heated surface air then rose into the atmospheric boundary layer — the lowest level of the troposphere — doubling its height to more than 4 kilometers, and creating a thick blanket of heat.

Instead of dissipating into space, the infrared radiation that is absorbed by atmospheric water vapor or carbon dioxide produces heating, which in turn makes the earths surface warmer.

«But on top of that, changes in atmospheric circulation can favor particular weather conditions associated with heat waves.»

Coumou has examined the waviness of the jet stream in previous work and has suggested that its large twists and turns, slow - moving undulations called Rossby waves, promote atmospheric «blocking» — a kind of stagnation of weather patterns that he says can exacerbate heat waves.

Francesco Panerai of Analytical Mechanical Associates Inc., a materials scientist leading a series of X-ray experiments at Berkeley Lab for NASA Ames Research Center, discusses a 3 - D visualization (shown on screens) of a heat shield material's microscopic structure in simulated spacecraft atmospheric entry conditions.

Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and NASA are using X-rays to explore, via 3 - D visualizations, how the microscopic structures of spacecraft heat shield and parachute materials survive extreme temperatures and pressures, including simulated atmospheric entry conditions on Mars.

Scientists finally confirmed this hypothesis in the 1960s when it became possible to develop adequate models of solar atmospheric heating.

Using 19 climate models, a team of researchers led by Professor Minghua Zhang of the School of Marine and Atmospheric Sciences at Stony Brook University, discovered persistent dry and warm biases of simulated climate over the region of the Southern Great Plain in the central U.S. that was caused by poor modeling of atmospheric convective systems — the vertical transport of heat and moisture in the atmosphere.

The continuation of current trends in shrub and tree expansion could further amplify this atmospheric heating by two to seven times.

Another principal investigator for the project, Laura Pan, senior scientist at the National Center for Atmospheric Research in Boulder, Colo., believes storm clusters over this area of the Pacific are likely to influence climate in new ways, especially as the warm ocean temperatures (which feed the storms and chimney) continue to heat up and atmospheric patterns continue to evolve.

Sulphur particles in the stratosphere reflect sunlight and therefore act antagonistically to atmospheric greenhouse gases like CO2, which capture the heat of the sun on Earth.

Our understanding of how certain atmospheric gases trap heat dates back almost 200 years to 1824 when Joseph Fourier described what we know as the greenhouse effect.

As long as the Sun warms the surface of the earth non-uniformly, the atmospheric heat engine will continue to drive the general circulation.

But it is a complicated picture: the effect that extra atmospheric CO2 has in these kind of experimental setups might not reflect its effects in the real world, where other factors — such as elevated heat, or changes in precipitation — come into play.

The temperature gradient creates atmospheric circulation, which transports heat from areas of equatorial excess to the cold polar regions.

In the North Atlantic, more heat has been retained at deep levels as a result of changes to both the ocean and atmospheric circulations, which have led to the winter atmosphere extracting less heat from the ocean.

[NASA's OCO - 2 Mission in Pictures (Gallery)-RSB- The concentration of atmospheric carbon dioxide — a heat - trapping «greenhouse gas» — has risen from 280 parts per million (ppm) before the Industrial Revolution to about 400 ppm today.

Turning up the heat seems to increase the rate at which the plants produce methane, Keppler says, which could explain why atmospheric levels of methane were high hundreds of thousands of years ago when global temperatures were balmy.