What is plume definition?

A plume is a visible or invisible trail of particles or gas that is released into the atmosphere. Plumes can be generated by natural sources such as volcanic eruptions, wildfires, or oceanic emissions, as well as human activities such as industrial emissions or vehicle exhaust. The term "plume" is often used to describe the visible trail of smoke or exhaust that is emitted from a chimney or exhaust pipe. Plumes can also refer to the clouds of smoke or ash that are produced by wildfires or volcanic eruptions. In environmental science, plumes can be studied to understand the dispersion and impact of pollutants in the atmosphere.