Sentences with phrase «ice particles formation»
The particles generated in this region can even reach Antarctica when they are transported by the wind (Gassó et al., 2010) and contribute to ice particles formation.
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Charged particles, or ions, of magnesium from the cosmic dust can trigger the formation of tiny ice crystals that help form clouds, a new analysis of Mars» atmosphere suggests.
«These organisms,» Christner says, «are able to catalyze ice formation at a temperature warmer than any other naturally occurring particle.»
Water droplets and ice crystals in the atmosphere condensed on the infusion of dust particles and settled into pouch - like formations due to wind currents.
Their stickiness makes it hard to get them through an inlet into a measuring device, but these compounds may play a significant role in the formation and alteration of aerosols, tiny airborne particles that can contribute to smog or to the nucleation of raindrops or ice crystals, affecting the Earth's climate.
Although no one is sure what triggers their formation, one theory is that cosmic dust, or debris from burned - up meteors, seed the ice particles, which is plausible because meteors typically are incinerated in the upper mesosphere at about the same altitude where these clouds form.
Microbial ecologist Brent Christner of Louisiana State University collected fresh snow from across the globe and tested it for biological particles that could induce ice formation.
The main mode, which is involved in the formation of ice crystals in mixed - phase clouds (clouds formed by ice particles and water droplets), is the immersion freezing mode.
«Ice Formation on Nitric Acid - Coated Dust Particles: Laboratory and Modeling Studies.»
Scientists are working to understand their underlying processes, such as which particle surface properties encourage or discourage ice formation, called nucleation, so they can accurately simulate how, where, and when clouds are formed.
Pratt and PNNL postdoctoral researcher Dr. Gourihar Kulkarni will study ice formation using an environmental chamber, as well as particle analysis by laser mass spectrometry (PALMS) to measure ice residue chemistry.
Ice particles are the formation of Polar Stratospheric Clouds (PSCs), which