EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WATER VAPOR > WATER VAPOR PROFILES
Water vapor is defined as water substance in vapor form; one of the
most important of all constituents of the atmosphere. In meteorology,
a profile is defined as a graph of the value of a scalar quantity versus a
horizontal, vertical, or time scale. It usually refers to
a vertical representation.
Glossary of Meteorology, American Meteorological Society, 1998.