Sentences with phrase «atmospheric dust clouds»

Roughly half the mercury contamination in the United States comes from Asia; much of it may arrive aboard particles in atmospheric dust clouds.

Not exact matches

In the clouds in her model, atmospheric gas would sometimes condense onto the shimmering dust particles, increasing in size to a few millimeters big.

Even as the importance of biological ice nucleation was being recognized by agricultural scientists, it still wasn't embraced by atmospheric scientists, who stuck by the traditional view that soot, or sea salt, or some as - yet - unidentified mineral in dust was seeding ice in clouds.

A trip to Iceland and a flight over the Sahara Desert help an atmospheric scientist study dust particles that seed clouds

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.

The lead surrounding the stars — which was part of the original cloud of gas and dust from which these stars formed, not generated by reactions in the evolving stars themselves — may be dispersed within an atmospheric layer as much as 100 kilometers thick (depicted patchily in pink) that altogether weighs up to 100 billion metric tons.

«Maybe others might be inspired and look at the geochemistry or atmospheric chemistry implications, such as how these water cluster structures on atmospheric dust nanoparticles could affect cloud formation, rain and acid rain,» Mavrikakis says.

2) Most actual atmospheric cloud droplets form around dust particles including bacteria, rather than starting from minute droplets of pure water.

The system has a large number of interacting parts — cloud, ice, biology, dust, ocean and atmospheric circulation — that together result in climate variation at all scales.

The Sun, Jupiter, gravitational moment of the remaining planets, Earth angular orbit variations of all kinds, galactic rays, motion of the solar system through the galaxy and dust clouds, the Moon, atmospheric water vapor, ocean currents, configuration of the tectonic plates and continental drift, volcanic activity, the natural biosphere, human urban development, human alteration of the greenhouse water cycle (dam's, rivers etc),,... human produced CO2.

They involve changes in ocean and atmospheric circulation, ice, cloud, dust and biology.

Note that solar energy loss calculations through the air mass do NOT account for reflections off of either high clouds or low clouds or atmospheric dust and turbidity: they are based on «clear sky» conditions regardless of clouds, dust, storms or wind.

painting roofs white, heat reflective road surfaces, planting more trees, CO2 minimising crops, making clouds and rain, creating atmospheric dust, space sunshields, etc, etc..