Measurement of Carbon Dioxide Emissions Plumes from Prudhoe Bay, Alaska Oil Fields |
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| Authors: | Steven B Brooks Timothy L Crawford Walter C Oechel |
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| Institution: | (1) Atmospheric Turbulence and Diffusion Division (ATDD), National Oceanic and Atmospheric Administration (NOAA), 456 S. Illinois Avenue, PO Box 2456, Oak Ridge, TN, 37831, U.S.A;(2) Department of Biology, San Diego State University, San Diego, CA, 92182, U.S.A |
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| Abstract: | Large carbon dioxide plumes with concentrations up to 45 ppm aboveambient levels were measured about 15 km downwind of the Prudhoe Bay, Alaskamajor oil production facilities, located at 70° N Lat. above the ArcticCircle. The measured emissions were 1.3 × 103 metrictons (C) hour-1 (11.4× 106 metric tons(C) year-1), six times greater than the combustion emissionsassumed by Jaffe and coworkers in J. Atmos. Chem. 20 (1995), 213–227,based on 1989 reported Prudhoe Bay oil facility fuel consumption data, andfour times greater than the total C emissions reported by the oil facilitiesfor the same months as the measurement time periods. Variations in theemissions were estimated by extrapolating the observed emissions at a singlealtitude for all tundra research transect flights conducted downwind of theoil fields. These 30 flights yielded an average emission rate of1.02 × 103 metric tons (C) hour-1 with astandard deviation of 0.33 × 103. These quantity ofemissions are roughly equivalent to the carbon dioxide emissions of7–10 million hectares of arctic tussock tundra (Oechel and Vourlitis,Trends in Ecol. Evolution 9 (1994), 324–329). |
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| Keywords: | carbon dioxide emissions oil production |
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