Sentences with phrase «effect of clouds»

The cooling effect of clouds during the daytime depends very much on solar inclination as well as cloud optical thickness and cover.

But the net effect of cloud feedbacks is less well known.

Some studies have found that the dominant radiative effect of clouds is cooling.

That one was about observed negative effects of cloud feedbacks on climate sensitivity.

The net temperature effect of clouds depends on which effect dominates and how strong it is, but that is the difficulty, for no one seems to know for sure.

The warming effect of clouds depends on cloud height and effective cloud amount, but also on atmospheric conditions like near - surface temperature and humidity.

Therefore when you ask about the general effects of cloud feedbacks on climate, you have moved well beyond the scope of a discussion about aerosol second indirect effects.

I agree that the exact effect of clouds is hard to model, and that current models do a poor job with them.

I was interested not so much in the forcing effect of clouds themselves so much as the change in albedo which might result from a change in the overall extent of global cloud cover.

Put plainly, the albedo effect of clouds is a major component of cloud feedback.

Moreover, the net greenhouse effect of clouds can vary a lot, depending upon altitude and other factors — high, cold cloud radiates upwards less efficiently, while still intercepting radiation from below, and so tends to warm more than lower cloud.

However, the modeled effects of clouds on Arctic climate are highly dependent upon the physical properties and seasonal distribution of clouds.

In a recent study, for instance, well - respected climate models were shown to have completely opposing estimates for the overall effect of the clouds and smoke in the southeast Atlantic: Some found net warming, whereas others found cooling.

Given the increasing cooling effect of clouds found here, the rise in surface temperature is clearly related to large - scale circulation.»

Kooperman, G. J., Pritchard, M. S., Burt, M. A., Branson, M. D. & Randall, D. A. Robust effects of cloud superparameterization on simulated daily rainfall intensity statistics across multiple versions of the Community Earth System Model.

Robust effects of cloud superparameterization on simulated daily rainfall intensity statistics across multiple versions of the Community Earth System Model.

which would mean either increases or decreases in surface temperature, which makes Tallbloke's and others» critique that Dressler ignores the reflective effect of clouds on surface temperature glaringly obvious.

(2) «Regarding the statements presented in the FM post, only somebody well - versed in atmospheric / climate science could determine how the supposed effects of clouds / vapor / water / sun / etc have been taken into account in newer models»

Even if the total effect of clouds has not been nailed down yet, it is obviously a small effect compared to the rest of the forcings and feedbacks in the system.

That picture doesn't account for the dramatic effects of clouds, according to new work by planetary scientists David Grinspoon and Mark Bullock of the Southwest Research Institute in Boulder, Colorado.

In fact, the global cooling effect of clouds fails to get included in any of the accepted IPCC computer models.

Composite imaging is an extremely useful tool for helping people understand the Earth — they allow researchers to capture certain features at higher resolution; reduce the obscuring effect of cloud coverage in certain areas; and overlay various data layers to help identify patterns and trends.

The cooling effect of a cloud shadow is familar to everyone.

Besides the ones mentioned by pjm in comment 41, one needs to look at the possible effects of clouds.

What the modelers ignore is the cooling effect of clouds due to albedo, precipitation, and evaporation.

We find that the net effects of cloud masking and cloud PRP on atmospheric absorption are both substantial.

Translation: Currently it is mathematically impossible to quantify the actual effect of clouds.

Given the strong damping effect of clouds on the daytime maximum temperature and DTR, the well - established worldwide asymmetric trends of the daytime and nighttime temperatures and the DTR decreases during the last 4â??

The temperature effects of cloud cover during the 20th century could be as much as 7 times greater than the alleged temperature effect of 200 years worth of additional carbon dioxide and several times greater than that of all additional greenhouse gases combined.