Bulletin of the National Speleological Society - ISSN 0146-9517
Volume 35 Number 2: 35-47 - April 1973
A publication of the National Speleological Society
Environments in Lehman
Samuel A. Bamberg
Environments in Lehman Caves were studied with particular emphasis on seasonal and spatial gradients and stability. Parameters measured during a nine-month period at stations throughout the cave were air movement patterns, CO2 concentrations in the air, air and rock temperatures, and water chemistry.
Lehman Caves was found to be stable for the parameters measured, except that CO2 contrations in the air varied with the season from a high in June (1040 ppm) to a low in December (390 ppm) and with daily air movement near the entrance. Other parameters had spatial and seasonal gradients of variability that were steep near the entrance and gradual or undetectable within the back sections of the cave.
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