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Fires and Smoke

Fires and Smoke

Satellite instruments detect fires using mid-infrared bands where fires typical emit strongly. Fire products may use data from polar orbiting instruments, geostationary instruments or a combination of both. The advantage of the polar orbiting instruments is their high resolution which allows them to detect smaller and/or less energetic fires than the geostationary instruments. The geostationary instruments have much higher temporal coverage and may observe many fires that the polar orbiting instruments will not see since the overpass is not coincident in time with the fire.

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Aerosols and PM

Particular matter (PM), or aerosol, is the general term used for a mixture of solid particles and liquid droplets found in the atmosphere. Natural (dust and volcanic ash) and anthropogenic aerosols (biomass burning smoke, industrial pollution) influence cloud properties, alter the radiation budget of the earth-atmosphere system, affect atmospheric circulation patterns and cause changes in surface temperature and precipitation, and monitoring them is important.

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