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Abstract
FOG, SMOG, MIST AND CLOUDS FOUR POINTS ARE CONDENSED ATOMIZED AEROSOL WATER DROPLETS OF BELOW DEW POINT
Preetam Datta*, Dr. Dhrubo Jyoti Sen
ABSTRACT
Fog, mist, smog and clouds are all the same meteorological phenomenon: visible masses of suspended waterdroplets or ice crystals. Their classification depends entirely on their density (visibility) and altitude (where theyform). Clouds: High-altitude atmospheric suspensions. Fog: A low-lying cloud resting on the ground. Mist: Alighter, ground-level cloud with higher visibility. Smog:Feature Cloud Fog Mist SmogAltitude High in the sky Ground level Ground level Not in your wayVisibility Varies Less than 1 km More than 1 km Can drop to near-zero visibilityDensity Thick to wispy Very dense Light and translucent Water droplets + smoke + pollutantsHealth Impact Harmless Safe Harmless Respiratory and eye irritationHow They FormWarm, moist air cools to its dew point.Water vapor condenses into tiny liquid droplets.Droplets cling to airborne dust particles.Fog is practically a "surface cloud". Mist often forms near rivers or marshes. Clouds form higher up throughexpansion and cooling.
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