5,083 research outputs found

    The problem of negative induced polarization anomalies

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    Equivalent circuit response and polarized sphere model to explain negative induced polarization anomalie

    Montana Peregrine Falcon Population Survey: 2016

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    The release of 617 captive-bred young during the 1980’s and 1990’s sparked the recovery of the Peregrine Falcon (Falco peregrinus) in Montana. By 1994, a mix of state, federal, and private biologists (Montana Peregrine Falcon Working Group) documented 13 known active Peregrine Falcon territories. For the following four years, the number of known territories averaged about 16, but then intensive survey efforts in 1999 documented a total of 28 territories. The number of active Peregrine Falcon territories discovered in Montana has increased yearly. Montana had a record number of 108 active Peregrine Falcon territories recorded during the 2012 field season. By the end of the 2016 field season, we have recorded 207 active Peregrine Falcon territories. Annual survey objectives include the establishment of a citizens group (Project Peregrine Watch) to monitor individual Peregrine territories throughout the state, determine status  and trends of Montana’s Peregrine Falcon population, study all known historic Peregrine Falcon eyries, record occupancy and productivity at all active territories, locate new Peregrine Falcon territories,  seek confirm and consolidate information from all public and private sources, record activity and locations of neighboring cliff-nesting raptors (Prairie Falcon (Falco mexicanus), Golden Eagle (Aquila chrysaetos), and the Red-tailed Hawk (Buteo jamaicensis), and develop a long-term and cost-effective monitoring program for determining annual status and population trends of the State’s Peregrine Falcon population

    Montana Peregrine Falcon Survey: 2014

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    The release of 617 captive-bred young during the 1980’s and 1990’s sparked the recovery of the Peregrine Falcon (Falco peregrinus) in Montana. By 1994, a mix of state, federal, and private biologists (Montana Peregrine Falcon Working Group) documented 13 known active Peregrine Falcon territories. For the following four years, the number of known territories averaged about 16, but then intensive survey efforts in 1999 documented a total of 28 territories. The number of active Peregrine Falcon territories discovered in Montana has increased yearly. Montana had a record number of 108 active Peregrine Falcon territories recorded during the 2012 field season. By the end of the 2014 field season, we have recorded 166 active Peregrine Falcon territories. Montana Peregrine Falcon surveys are conducted in conjunction with the USFWS national surveys scheduled every three years, beginning in 2002 and ending in 2015. Annual survey objectives include the establishment of a citizens group (Project Peregrine Watch) to monitor individual Peregrine territories throughout the state, determine status  and trends of Montana’s Peregrine Falcon population, study all known historic Peregrine Falcon eyries, record occupancy and productivity at all active territories, locate new Peregrine Falcon territories,  seek confirm and consolidate information from all public and private sources, record activity and locations of neighboring cliff-nesting raptors Prairie Falcon (Falco mexicanus), Golden Eagle (Aquila chrysaetos), and the Red-tailed Hawk (Buteo jamaicensis), and develop , a long-term and cost-effective monitoring program for determining annual status and population trends of the State’s Peregrine Falcon population

    WHEAT DISPUTES UNDER NAFTA

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    International Relations/Trade,

    The Impact of Nuclear Reaction Rate Uncertainties on Evolutionary Studies of the Nova Outburst

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    The observable consequences of a nova outburst depend sensitively on the details of the thermonuclear runaway which initiates the outburst. One of the more important sources of uncertainty is the nuclear reaction data used as input for the evolutionary calculations. A recent paper by Starrfield, Truran, Wiescher, & Sparks (1998) has demonstrated that changes in the reaction rate library used within a nova simulation have significant effects, not just on the production of individual isotopes (which can change by an order of magnitude), but on global observables such as the peak luminosity and the amount of mass ejected. We present preliminary results of systematic analyses of the impact of reaction rate uncertainties on nova nucleosynthesis.Comment: 4 pages, 3 figures. to appear in "Cosmic Explosions", proceeding of the 10th Annual October Astrophysics Conference in Maryland (ed. S.S. Holt and W. W. Zhang
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