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Stomata1 closure during yriods of moisture deficiency should theoretically lead to elevated C/12C ratios as reduction of available C02 leads to diminished photosynthetic discrimination against 13c in favor of 12C. Stable-carbon isotope ratio chronologies developed from 5-yr tree-ring groups at 17 sites in six southwestern states were tested for a drought(More)
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and other individuals who did not wish to be thanked by name. Can the United States deter a nuclear terrorist attack? Two conventional wisdoms prevail on this question. One contends that Cold War ideas about deterrence are utterly irrelevant to coping with an enemy such as al Qaeda, whose members are unafraid of earthly punishments and whose leaders lack a(More)
  • John D. Horel, Francis W. Reichelderfer, +18 authors R. Martin
  • 2016
RESEARCH ACTIVITIES My research is centered on the observation and analysis of weather and climate processes in mountainous regions. My current research activities include further development of MesoWest (see http://mesowest.utah.edu), which provides access to surface weather observations for operational, research, and educational applications. MesoWest(More)
tentious issues in U.S. foreign policy has been the use of military force to intervene in the domestic affairs of other states. U.S. military interventions since 1945 have varied signiªcantly, however, in how deeply they intrude on the domestic institutions of target states. Some interventions involved signiªcant interference in other states' domestic(More)
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