Sentences with phrase «called aerosols»

The planet's albedo, around 30 percent, is governed by cloud cover and the quantity of atmospheric particles called aerosols.

Shindell's paper further focuses on improving our understanding of how airborne particles, called aerosols, drive climate change in the Northern Hemisphere.

The team found the terpenes react in the air to form tiny particles called aerosols.

These particles, called aerosols, can reflect solar radiation, resulting in a net cooling of Earth.

It turns out, satellites were missing about 30 percent of these particles, called aerosols, the study found.

NASA's P - 3 research plane begins flights this month through both clouds and smoke over the South Atlantic Ocean to understand how tiny airborne particles called aerosols change the properties of clouds and how they influence the amount of incoming sunlight the clouds reflect or absorb.

In particular, increases in the number of small particles (called aerosols) in the atmosphere regionally offset and mask the greenhouse effect, and stratospheric ozone depletion contributes to cooling of the upper troposphere and stratosphere.fr2], fr3]

You have one basic misunderstandiing about global dimming, it is not caused by CO2 but by SO2 and particulate pollution, what are called aerosols.

Over the last century, tiny airborne particles called aerosols, which cool the climate by absorbing and reflecting sunlight, have largely cancelled out the effects of GHG emissions on tropical storm intensity, according to a new scientific review paper published in Science journal.

Two problems with that: warming is not occurring, and they can't determine the effect of the volcanic dust called aerosols.

Like other tiny atmospheric particles called aerosols, black carbon (BC) has a short lifetime in the atmosphere of about a week because it is removed by rain or snow.

Several proposals call for injecting microscopic particles, called aerosols, into the stratosphere, the quiet region of the atmosphere above the troposphere about 18 kilometers up from the equator.

The planet's albedo, around 30 percent, is governed by cloud cover and the quantity of atmospheric particles called aerosols.

Results: Tiny bits of atmospheric dust and particles called aerosols may play a big role in global climate change, but just how big a role is not well understood.

Roughly two - thirds of this reflectivity is due to clouds and small particles in the atmosphere called aerosols.

A team of scientists led by Pacific Northwest National Laboratory atmospheric researcher Dr. Susannah Burrows and collaborator Daniel McCoy, who studies clouds and climate at the University of Washington, reveal how tiny natural particles given off by marine organisms — airborne droplets and solid particles called aerosols — nearly double cloud droplet numbers in the summer, which boosts the amount of sunlight reflected back to space.

Possible reasons revolve around tiny natural and manmade particles called aerosols that serve as seeds for cloud droplets to form around.

Tiny particles called aerosols would have to be pumped high into the atmosphere (higher than where jet planes fly).

Small particles called aerosols that are released into the air by smoke may also reduce the likelihood of rainfall.

In addition to providing the air we breathe and the weather we experience, the troposphere is laced with a compound called the hydroxyl radical — abbreviated OH — which bonds to pollutants like bromines and droplets of sulfates called aerosols.

That's the conclusion of a team of scientists using a new approach to study tiny atmospheric particles called aerosols that can influence climate by absorbing or reflecting sunlight and seeding clouds.

Clouds need tiny particles called aerosols that rise in the atmosphere, in order to form.

The second scientific instrument carried aboard Glory is designed to measure how tiny particles called aerosols influence Earth's climate.

Other tiny solid and liquid particles called aerosols are also being transported around the atmosphere, but these are largely invisible to our eyes.

The team started by looking at the formation of the very small particles — a process called aerosol nucleation — by mimicking atmospheric conditions inside an ultraclean steel «cloud chamber», which Kirkby says is the cleanest ever created.

«We're trying to understand what the connection is between a cosmic ray going through the atmosphere and the creation of so - called aerosol seeds — the seed for a cloud droplet or an ice particle,» Kirkby explains.

In a 1998 paper, Caldeira called the aerosol approach «a promising strategy,» although he argued that emissions cuts remain «the most prudent» course of action.

Not exact matches

The Jatravartids, who live in perpetual fear of the time they call «The Coming of the Great White Handkerchief», are small, blue creatures with more than fifty arms each, who are therefore unique in being the only race in history to have invented the aerosol deodorant before the wheel.

A veil or aerosol layer that stems from an eruption in the tropics spreads first around Earth's equatorial belt, the so - called tropical pipe, and then flows north and south toward the poles.

The effect also illustrates one proposal for so - called geoengineering — the deliberate, large - scale manipulation of the planetary environment — that would use various means to create such sulfuric acid aerosols in the stratosphere to reflect sunlight and thereby hopefully forestall catastrophic climate change.

E-cigarettes deliver a nicotine - containing aerosol popularly called «vapor» to users by heating a solution commonly consisting of glycerin, nicotine and flavoring agents.

Researchers with the U.K. mission, called CLARIFY (Cloud - Aerosol - Radiation Interactions and Forcing for Year 2016), initially looked at relocating its research aircraft to Ascension Island, but they couldn't make the switch work logistically.

Aerosol particles influence Earth's climate through cloud formation: Clouds can only form if so - called cloud condensation nuclei (CCN) are present, which act as seeds for condensing water molecules.

The request also calls for canceling five NASA earth science missions, including an operating Earth - facing camera on the Deep Space Climate Observatory satellite and the planned Plankton, Aerosol, Cloud, ocean Ecosystem satellite, set for launch in 2022, which would assess the ocean's health and its interactions with the atmosphere.

Called ultrafine aerosols, the particles are found in everything from auto emissions to wildfire smoke to printer toner.

To investigate the layers and composition of clouds and tiny airborne particles like dust, smoke and other atmospheric aerosols,, scientists at NASA's Goddard Space Flight Center in Greenbelt, Maryland have developed an instrument called the Cloud - Aerosol Transport System, or CATS.

They were not calling about aerosols or hydrocarbons, however, as concerning as those pollutants might be.

But the effect of so - called biogenic aerosol — particulate matter that originates from plants — had been less well understood.

«One of our key ideas has been the development of a technique we call the «aerosol overlayer method».

Albedo modification might also work by using aerosols to seed cloud formation in a lower atmospheric layer called the troposphere.

Sloan and Wolfendale also discussed the results from an experiment at CERN in Switzerland called CLOUD, where researchers are looking at ways in which cosmic rays can ionize, or charge, aerosols in the atmosphere, influencing how clouds are formed.

Climate modeler Christopher Bretherton of the University of Washington, Seattle, called the study «good, solid, important work... [suggesting] stratospheric aerosol injection is an approach to compensate greenhouse warming that is worthy of further study.»

Their reaction products form the so - called secondary organic aerosol.

To deal with that, most sucessful scientists develop networks of «trusted» sources — people you know and get along with, but who are specialists in different areas (dynamics, radiation, land surfaces, aerosols, deep time paleo etc.) and who you can just call up and ask for the bottom line.

Further investigation showed that Titan's atmosphere has organic aerosols, called tholins, that likely formed from molecules such as methane and nitrogen.

I used was the surface temperature responses from histAll --(histGHG + histNatural) to obtain the response to aerosols + ozone + land - use and derive the enhancement of the response for that case relative to WMGHGs that I called E. Calculation of TCR based on histAll in a model is approximately the same as calculating the sum of responses to histGHG, histNat, and histInhomogeneous where the latter includes the factor E.

Methods: The research team set out to incorporate a detailed physical and chemical mechanism for organic aerosols, called the «volatility basis set framework,» in a familiar community climate model.

This model, called the PNNL - Multi-scale Modeling Framework, depicts aerosol - cloud interactions in both stratiform and convective clouds in a more realistic way than conventional global models.

Yet these particles, called secondary organic aerosols, are a dominant atmospheric component in most megacity locations.

The team gathered simulated data of the two more variable biogenic aerosols separately, taking sulfate concentrations from a suite of computer models called AeroCom.