Diffusion (of scent):  the even distribution of air in all directions.

">Diffusion
  (of scent):  the even distribution of air in all directions.

Double Blind: A training exercise is considered Double Blind if the person person searching does not know the location of odor(s), and/or if any are prescent, AND the accompanying Instructor/Evaluator also does not know. 

">Double Blind
 : A training exercise is considered Double Blind: A training exercise is considered Double Blind if the person person searching does not know the location of odor(s), and/or if any are prescent, AND the accompanying Instructor/Evaluator also does not know. 

">Double Blind
 if the person person searching does not know the location of odor(s), and/or if any are prescent, AND the accompanying Instructor/Evaluator also does not know. 

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VSRDA Glossary

  • Turbulent Air Flow
    Turbulent Air Flow: When flowing air hits an obstacle/object and causes airflow chaos.  
  • Thermal
    Thermal: Layers of air, separated by temperature (and humidity).  
  • Tracking
    Tracking (Dog): dogs are able to follow a human scent, by following the footsteps. Tracking dogs may also be following the odor of crushed vegetation and soil bacterial action.  Visualize the dog's
  • Trailing
    Trailing (Dog): dogs are scent specific and require a scent article, with a track. Visualize the dog's Nose Down and Up, working some distance from the actual footsteps.
  • Target Odor
    Target Odor: (aka Source) odors which detector dog are trained to detect. 
  • Temperament
    Temperament: The general consistence with which the animal behaves.