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William Halliday Oral History Interview With Spencer Fleury And Todd Chavez, July 23, 2007, William Halliday (Interviewee), Spencer Fleury (Interviewer), Todd Chavez (Interviewer)
William Halliday Oral History Interview With Spencer Fleury And Todd Chavez, July 23, 2007, William Halliday (Interviewee), Spencer Fleury (Interviewer), Todd Chavez (Interviewer)
Environmental Sustainability Oral Histories
Dr. William Halliday, medical surgeon and karst terrain authority, relates segments of his life story back to the development of his interest in karst and caving. Dr. Halliday recounts his involvement as a charter member of the National Speleological Society (NSS), founding several grottos, and the political activism in which he participated on their behalf. He describes a few of his international caving adventures, the difference between karst and pseudo-karst, and his impressions on whether there exists an attitudinal divide between geologists and amateur sport cavers. The interview ends with Dr. Halliday's personal belief that Mars exploration should be pivotal …
Alexander Klimchouk Oral History Interview With Dr. Bogdan Onac, January 23, 2007, A. B. Klimchuk (Interviewee), Bogdan P. Onac (Interviewer)
Alexander Klimchouk Oral History Interview With Dr. Bogdan Onac, January 23, 2007, A. B. Klimchuk (Interviewee), Bogdan P. Onac (Interviewer)
Environmental Sustainability Oral Histories
Bogdan Onac, Assistant Professor, Department of Geology, at the University of South Florida, interviews Professor Alexander Klimchouk, Ph.D. The interview focuses on Dr. Klimchouk's work with the Ukrainian Academy of Sciences and the Speleological Institute in the Ukraine. Dr. Klimchouk describes how, as a young man growing up in the Soviet Union, he became interested in speleology, caving, and karst science. He continues with detailed discussions of specific caves in Ukraine; the informal society of karst scientists; and the creation of an international karst network. The interview ends with a discussion of Western Ukrainian caves.
Seasonal Variations Of Co2 And 222Rn In A Mediterranean Sinkhole - Spring (Causse D’Aumelas, Se France), Christelle Batiot-Guilhe, Jean-Luc Seidel, Hervé Jourde, Olivier Hébrard, Vincent Bailly-Comte
Seasonal Variations Of Co2 And 222Rn In A Mediterranean Sinkhole - Spring (Causse D’Aumelas, Se France), Christelle Batiot-Guilhe, Jean-Luc Seidel, Hervé Jourde, Olivier Hébrard, Vincent Bailly-Comte
International Journal of Speleology
Carbon dioxide and 222Rn monitoring of the atmosphere of a Mediterranean sink hole - spring (SE France) during two hydrological cycles (from September 2004 to September 2006) showed seasonal variations with very high concentrations during summer (greater than 6% and 20 000 Bq/m3, respectively). Gas dynamics in caves often show seasonal variations. Meteorological parameters (barometric pressure and temperature mainly), cave geometry and fracture networks control exchanges between the cavity and outside atmosphere. Carbon dioxide and 222Rn may have different sources (atmosphere, soil, bedrock, deep gas diffusion, in situ oxidation of organic matter and, in some caves, …