Sentences with phrase «smaller cloud droplets»

Smaller cloud droplets could also exhibit a thermodynamic forcing by protracting freezing in deep convective clouds.

The indirect aerosol effect may include increased cloud brightness, as aerosols lead to a larger number of smaller cloud droplets (the so - called Twomey effect), and increased cloud cover, as smaller droplets inhibit rainfall and increase cloud lifetime.

Not exact matches

A high concentration of CCN generally leads to the formation of clouds with a high concentration of small droplets; whereas fewer CCN lead to clouds with few large droplets.

Atmospheric scientists believe that such particles make rain less likely, because they spread the available water among many smaller droplets that stay afloat in the cloud.

Because the added droplets are smaller, they are less likely to be rained out, which enhances cloud longevity.

The researchers conclude that particles from ship exhaust make cloud droplets smaller, lifting them higher in the atmosphere.

More cloud droplets form, but they are smaller.

Then I remembered seeing a science experiment at my high school in Elsinore, in which our teacher showed us what is called a cloud chamber, and seeing tracks of radioactive particles, which look like small droplets.

Instead, the team proposes, soot and other particles in the ships» exhaust create large numbers of cloud droplets that are, on average, smaller than those forming around natural dust particles in the air elsewhere over the ocean.

The favoured explanation has been that the large water droplets produced by clouds collide with one another to release watery shrapnel that produces the abundant smaller droplets seen at ground level.

Raymond Shaw, a professor of physics at Michigan Tech, looks at the smallest part of clouds: droplets.

The presence of these particles helps to seed clouds by providing sites on which water droplets can condense, but very small particles, the scientists found, actually decrease the precipitating efficiency of clouds, meaning it rains less.

In fact, the addition of dust particles could instead create more water droplets too small to rain down or even build a respectable cloud.

«What happens when you have urban and industrial pollution,» ACE - Asia scientist Huebert explains, «is that you wind up with so many small particles that you wind up with a very large number of very tiny droplets that are too tiny to settle out [of the cloud].

There have been articles as far back as the 70s concerning global dimming but it's only very recently, apparently, that all of the probable causes (e.g. the microscopic particles causing smaller water droplets in clouds, enhancing the mirror effect, as well as contrails) have been understood.

Researchers have long thought that smaller droplets start a chain reaction that leads to bigger, longer - lasting clouds: Instead of raining down, the lighter droplets carry their water higher, where they freeze.

Although droplets are thousands of times more numerous, previous studies have shown that adding even a small number of ice crystals to these clouds can lead to a fast dissipation of the cloud water.

More and smaller droplets change things for the clouds.

Taking a closer look at the properties of water droplets and ice crystals within clouds, the team found that pollution resulted in smaller droplets and ice crystals, regardless of location.

This cloud doesn't serve simply as a visual «smoke screen» that allows the octopus to escape unnoticed; it also interferes with predators» sense of smell — such as sharks, which can sniff small droplets of blood from hundreds of yards away.

There have been articles as far back as the 70s concerning global dimming but it's only very recently, apparently, that all of the probable causes (e.g. the microscopic particles causing smaller water droplets in clouds, enhancing the mirror effect, as well as contrails) have been understood.

There are an ever increasing number of these «indirect effects», but the two most discussed are the aerosol / cloud opacity interaction (more aerosols provide more sites for water to condense in clouds, thus cloud droplets are smaller and clouds become more opaque), and the cloud lifetime effect (smaller droplets make it more difficult to make drops big enough to rain, and so clouds live longer).

If sulfate aerosols nucleate cloud drops, resulting in a greater number of smaller droplets rather than a few large ones, this will further increase scattering and cooling.

I'm not sure offhand of the importance of this, but more rapid cooling from more rapid ascent would reduce the distances over which molecules can diffuse during the time periods involved, which would tend to isolate the effects of the particles from each other, so that more haze particles could go on to become cloud droplets, resulting in smaller and more numerous cloud droplets.

I assume the water condenses into small droplets and thus the top of the cloud must be a bit warmer than the layer would be if under clear conditions?

The CO2 is acting as a filter for a small portion of the total LWIR from solid surfaces such as land or sea and ice and water droplets in clouds.

Increased numbers of aerosols provide additional locations for droplet nucleation and, all else being equal, result in clouds with more and smaller droplets hence being more reflective to solar radiation (a cooling effect).

«Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 0.2 µm, or 1/100 th the size of a cloud droplet [1]-RRB- about which cloud droplets coalCloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 0.2 µm, or 1/100 th the size of a cloud droplet [1]-RRB- about which cloud droplets coalcloud seeds) are small particles (typically 0.2 µm, or 1/100 th the size of a cloud droplet [1]-RRB- about which cloud droplets coalcloud droplet [1]-RRB- about which cloud droplets coalcloud droplets coalesce.

Pollution has increased the number of particles, which makes the cloud droplets smaller and more numerous.

An umbrella term for any small particle suspended in the atmosphere, aerosols can be either light or dark, reflective or absorbent of sunlight, and can enhance or suppress the formation of cloud droplets.

Cloud condensation nuclei - Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 1 / 100th the size of a cloud droplet) about which cloud droplets coalCloud condensation nuclei - Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 1 / 100th the size of a cloud droplet) about which cloud droplets coalCloud condensation nuclei or CCNs (also known as cloud seeds) are small particles (typically 1 / 100th the size of a cloud droplet) about which cloud droplets coalcloud seeds) are small particles (typically 1 / 100th the size of a cloud droplet) about which cloud droplets coalcloud droplet) about which cloud droplets coalcloud droplets coalesce.

Cloud droplets, for example, might be a couple hundredths of a millimeter in diameter, while the smallest grid cells that are considered in a model may be more like a couple hundred kilometers across.

When there are large numbers of CCN, there are more cloud droplets and smaller droplets, consequently more cloud cover and brighter clouds.

Some of the work at CERN seemed to say that cosmic rays nucleate very small droplets that do not increase to cloud size... Anyway, some of us follow GCR for reason of climate amplifications and even Ozone hole development.

Large droplets in rain clouds scattering light much more effectively than small droplets — it's why thunderclouds are very dark underneath and why Venus has high albedo.

The main idea is that more CCN causes liquid clouds to consist of more, but smaller, droplets.

Due to the smaller size of cloud droplets, the formation of precipitation may be suppressed, resulting in a longer cloud lifetime and larger cloud cover (second indirect effect).

In other words, a rain cloud would hypothetically form when conditions are right in any event, but, when there are more cosmic rays, the cloud would not rain out until later in the day because the smaller initial droplet size would affect how long the droplets take to coalesce into the size necessary for rain to happen or something to that effect.