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Aerosol. An aerosol is a suspension of fine solid particles or liquid droplets in air or another gas. [1] Aerosols can be generated from natural or human causes. The term aerosol commonly refers to the mixture of particulates in air, and not to the particulate matter alone. [2]
Aerosol spray dispenser. For the high-temperature explosive weapon also known as an aerosol bomb, see Thermobaric weapon. Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles. It comprises a can or bottle that contains a payload, and a propellant under pressure. When the container's valve is opened, the ...
Bioaerosol. Bioaerosols (short for biological aerosols) are a subcategory of particles released from terrestrial and marine ecosystems into the atmosphere. They consist of both living and non-living components, such as fungi, pollen, bacteria and viruses. [1] Common sources of bioaerosols include soil, water, and sewage.
Airborne particulate matter is a Group 1 carcinogen. [5] Particulates are the most harmful form (other than ultra-fines) of air pollution [6] as they can penetrate deep into the lungs and brain from blood streams, causing health problems such as heart disease, lung disease, cancer and preterm birth. [7]
Solar radiation reduction due to volcanic eruptions, considered the best analogue for stratospheric aerosol injection. Stratospheric aerosol injection is a proposed method of solar geoengineering (or solar radiation modification) to reduce global warming. This would introduce aerosols into the stratosphere to create a cooling effect via global ...
Deposition (aerosol physics) In the physics of aerosols, deposition is the process by which aerosol particles collect or deposit themselves on solid surfaces, decreasing the concentration of the particles in the air. It can be divided into two sub-processes: dry and wet deposition.
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Sea spray are aerosol particles formed from the ocean, mostly by ejection into Earth's atmosphere by bursting bubbles at the air-sea interface. [1] Sea spray contains both organic matter and inorganic salts that form sea salt aerosol (SSA). [2] SSA has the ability to form cloud condensation nuclei (CCN) and remove anthropogenic aerosol ...