Glossary of terms used on this site
Glossaries: K9 SAR Glossary
Eddying : When flowing air moves along/over a large linear obstacle, like a treeline, and the air curls around the edges and swirls.
Fanning Plumes: When air hodls at the same elevation, without rising or falling. Occurs at night, and in valleys. Visualize the air like a thermocline.
Fumigating: When scent from the source disperses evenly, and saturates the area. For example: a closed room.