Glossary of Karst and Cave Terms
Based on "A Lexicon of Cave and Karst Terminology with Special to Environmental Karst Hydrology" EPA/600/R-02/003, 2002, EPA: Washington, DC., Speleogenesis Glossary includes 2699 cave & karst terms
A short-lived isotope of hydrogen (?= 12.43 y) that is directly incorporated into the water molecule as 1H3HO or 1HTO . Commonly used for tracing ground water and for age dating of ground water . See also radioisotope; radioactive tracer; tracers.