Sentences with phrase «less clouds warmer»

Not exact matches

If a forest covers a snowy expanse, «that has a strong warming influence,» he notes, because of little cloud cover resulting from less efficiency in evaporating water.

Because there was less ice, cloud brightness increased more slowly than it did in the unmodified model, since fewer ice crystals were replaced with reflective liquid as temperatures warmed.

Analysis of the first seven years of data from a NASA cloud - monitoring mission suggests clouds are doing less to slow the warming of the planet than previously thought, and that temperatures may rise faster than expected as greenhouse gas pollution worsens — perhaps 25 percent faster.

In 2011 Stanford University researchers found that white roofs would provide some local cooling but at the expense of more global warming, largely because such cooling means less hot air rising and therefore fewer clouds forming.

Lindzen was allowed to print his «Iris Theory» (stating that global warming might end because of a natural increase in cooling - type clouds and less water vapor - a heat - trapping greenhouse gas) in Geophysical Research Letters (Jun. 26, 2001 - a legitimate peer - reviewed journal).

What will happen if the AO changes is an open question, at one side there may be less inflow of warmer air, at the other side, this may result in opposite changes in cloud cover...

The interesting part is that more clouds in summer as well as less clouds in winter both act as negative feedbacks: less warming in summer with more clouds reflecting the sunlight and more cooling in winter from less clouds allowing more heat to escape to space.

If the cloud cover is less the planet is warmer and visa versa, an relative increase in cloud cover causes the planet to cool.

So the mechanism should cause a decline in skin temperature gradients with increased cloud cover (more downward heat radiation), and there should also be a decline in the difference between cool skin layer and ocean bulk temperatures - as less heat escapes the ocean under increased atmospheric warming.

«For example, Biological Sciences units work much better in Terms 1 and 4 when the weather is warmer; Earth and Space Sciences work better for us in south - east Queensland in Term 3, when there's less chance of cloud and more variety of weather types.»

If you download 1998 - 2009 cloud cover here, and sea surface temperatures here, you can see that, except for a cloud band from ~ 0 to 10 degrees N, cloudiness is generally less where SST is warmer, though there are lots of details and spatial variation that lessen the correlation.

According to the skeptics, the solar irradiance isn't very important, it is the strength of the sun's magnetic field (that allows or stops cosmic rays from coming in which then causes more or less clouds, which increases or decreases the Earth's albedo, which then causes warming or cooling of the Earth's surface).

The result is less cloud cover, and a warming planet.

In the case of this summer, to make it familiar, the NE North American Coast and most of Canada is cooler by extensive periods of cloud coverage, cooling caused by this region clashes with the US South extreme heat, given less bouts of clouds up North, the North American warming record would have been amazingly strong, but permanent cloud episodes over one region or another travel, never last forever, as such not causing a permanent shift in the temperature record (unless the clouds cover or not wide swats of the Polar regions).

The result is that there is no difference in regional cloud cover trends, neither of precipitation, with increasing contamination and that the contaminated area has more dimming, but warmed more than the less contaminated area.

Their argument is that tropical Cumulonimbus (thunderstorm) clouds procuce less high - level cirrus - cloud outflow when sea surface temperatures (SST's) are warmer and atmospheric water vapor is higher.

I was stunned to read that the warmer it is the less cloud cover there is.

The hypothesis has two parts: First, in a warmer climate, enhanced precipitation efficiency will lead to less cloud being detrained into the troposphere from convection.

What will happen if the AO changes is an open question, at one side there may be less inflow of warmer air, at the other side, this may result in opposite changes in cloud cover...

IMHO, the increase in speed of the Hadley / Walker cells may be the result of higher ocean temperatures (or temperature differences over long distances), not the origin (or to a lesser extent, as less clouds lead to some extra insolation, thus warming).

More clouds with warming or less clouds with warming?

Climate models projecting that much less sunlight will be reflected by low clouds when the climate warms indicate that CO2 concentrations can only reach 470 ppm before the 2 ℃ warming threshold of the Paris agreement is crossed — a CO2 concentration that will probably be reached in the 2030s.

The premise of Lindzen's hypothesis was that as the climate warms, the area in the atmosphere covered by high cirrus clouds will contract to allow more heat to escape into outer space, similar to the iris in a human eye contracting to allow less light to pass through the pupil in a brightly lit environment.

Svensmark had the nerve to hypothesize that most of the global warming of the 20th Century can be explained by the reduction in cosmic rays due to livelier solar activity, resulting in less low cloud cover and warmer surface temperatures.

My point is the temperature of tropic troposphere will warm less if there is an increase in cloud cover to resist the change.

NIGHTTIME clouds tend to trap heat and lead to less cooling at night - so sunny days and cloudy nights would lead to warming -

As clouds decrease, less power is reflected than untrapped and the planet warms.

And warmer air can hold more water in vapor form which means less clouds.

Examples: Since leaves function more efficiently in diffuse light than in dappled bright - or - dark direct light, clearer skies will reduce carbon uptake: Mercado et al. (2009); a multi-year study of grass found carbon uptake sharply decreased in hotter summers: Arnone et al. (2008); warming kills plankton, resulting in less emission of DMS and thus less cooling clouds: Six et al. (2013); changes in Arctic rivers and coastlines could bring more carbon loss than models anticipated: Abbott et al. (2016).

Chief, Did you mean to say:» SW up strongly increased as a result of less cloud reflecting less sunlight back into space — planetary warming.»?

SW up strongly increased as a result of less cloud reflecting less sunlight back into space — planetary warming.

Something caused decreased cloud cover, less reflected SW and global warming in the late 20th century.

Less surface warming than cloud - height warming is indicative of a greenhouse gas.

The two solar cycles from 1976 to 1996 had a stronger solar magnetic field with more GCR deflection leading to 3 % less average cosmic ray flux, fewer shading clouds, and the global warming scare.

Warmer winters (if they have lots of clouds... in winter thick clouds actually warm since there is less daylight and there cooling effect is now reversed to warming by retaining the heat... reflecting more IR than carbon dioxide can do, depending upon the type of cloud).

For discussion, graphs see Some confirmation of Spencer's cloud hypothesis — it is getting less cloudy and warmer at the same time WUWT Aug 20, 2012

A major scientific study conducted at the University of Reading on the interactions between aerosols and clouds is much weaker than most climate models assume, meaning the planet could warm way less than predicted.

It elected not to simulate an amplifying effect, much less introduce dynamic cloud feedback to warming and solar radiation.

Warmer air doesn't cause less clouds, it causes more.

if solar magnetic field isn't increasing right now, it's not going to deflect more GCRs, which means there won't be less cloud seeding (though there's no concrete evidence GCRs successfully seed clouds anyway, as Zeke has noted), which means there won't be more GCR - induced warming.

The fact that the actual measured planetary warming is less than the lowest IPCC model prediction warming and is found only at high latitudes (which is not predicted by the IPCC models) logically supports the assertion that the planet's response to a change in forcing is to resist the change (negative feedback, planetary clouds in the tropics increase reflecting more sunlight in to space) rather than to amplify the change (positive feedback) due increased water vapour in the atmosphere.

I say my conclusion was «not unreasonable» because Dr. Scafetta, in a posting at WattsUpWithThat today, has also concluded that, once the natural 60 - year cycles of the great ocean oscillations are accounted for (and it may be these cycles that express themselves in changes in cloud cover such as that which Dr. Pinker had identified), the anthropogenic component in global warming is considerably less than the IPCC imagines.

The higher cloud tops have less atmosphere above them to hinder radiative cooling to space so they cool faster without getting warmer.

Low - level clouds cause a cooling effect by reflecting sunlight, so if these types of clouds become less prevalent, it can cause the surface to warm.

Thin clouds reflect less sunlight so their net effect may be a slight net warming.

One suggestion is that a warmer climate would have increased precipitation efficiency, causing more moisture to rain out, with less detrainment and a smaller area of upper - level cloud cover, limiting the positive longwave forcing (Lindzen et al. 2001).

More cloud cover on a net global scale means less solar radiation penetrates the surface, which leads to a net cooling, and less cloud cover means more solar radiation penetrates into the (ocean) surface, which ultimately leads to net warming trend.

Persisting contrails can spread into extensive cirrus clouds that tend to warm the Earth, because they reflect less sunlight than the amount of heat they trap.

Shifts in clouds, water vapor, and the great currents in the ocean and air, however, cause complex responses in which some regions warm more than the average while others warm less than average, or even cool.

Jim has assumed that warmer temperatures lead to less cloud — and not that less cloud leads to warmer temperatures.