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dc.contributor.authorSmith, Stewart James,1956-
dc.creatorSmith, Stewart James,1956-en_US
dc.date.accessioned2011-11-28T14:14:15Z
dc.date.available2011-11-28T14:14:15Z
dc.date.issued1989en_US
dc.identifier.urihttp://hdl.handle.net/10150/192020
dc.description.abstractSignificant natural airflow occurs in two boreholes tapping unsaturated, fractured tuff at the Apache Leap Tuff Site near Superior, Arizona. Flow rate and direction through the more productive hole and atmospheric pressure and temperature were monitored during periods from December 1987 through June 1988. A strong correlation between flow velocity and atmospheric pressure exists at time scales of minutes to months, while the effect of temperature on flow is manifested by a seasonal reversal in net flow direction. Net outward flow occurs in winter, reversing to net inward flow by late spring. The observed flow pattern is consistent with that observed at Yucca Mountain, Nevada, which is similar both lithologically and topographically to the Apache Leap Site. The effect of natural airflow on moisture distribution and gaseous radionuclide transport within the tuff should be considered in assessing the suitability of similar sites for high-level waste disposal.
dc.language.isoenen_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.subject.lcshHydrology.en_US
dc.subject.lcshVentilation.en_US
dc.subject.lcshRadioactive waste disposal in the ground -- Arizona -- Superior Region.en_US
dc.titleNatural airflow through the Apache Leap tuff near Superior, Arizonaen_US
dc.typeThesis-Reproduction (electronic)en_US
dc.typetexten_US
dc.contributor.chairEvans, Daniel D.en_US
dc.identifier.oclc213416641en_US
thesis.degree.grantorUniversity of Arizonaen_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineHydrology and Water Resourcesen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.nameM.S.en_US
dc.description.notehydrology collectionen_US
refterms.dateFOA2018-07-14T01:17:22Z
html.description.abstractSignificant natural airflow occurs in two boreholes tapping unsaturated, fractured tuff at the Apache Leap Tuff Site near Superior, Arizona. Flow rate and direction through the more productive hole and atmospheric pressure and temperature were monitored during periods from December 1987 through June 1988. A strong correlation between flow velocity and atmospheric pressure exists at time scales of minutes to months, while the effect of temperature on flow is manifested by a seasonal reversal in net flow direction. Net outward flow occurs in winter, reversing to net inward flow by late spring. The observed flow pattern is consistent with that observed at Yucca Mountain, Nevada, which is similar both lithologically and topographically to the Apache Leap Site. The effect of natural airflow on moisture distribution and gaseous radionuclide transport within the tuff should be considered in assessing the suitability of similar sites for high-level waste disposal.


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