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Methods and results are reported in Hartwell et al.\n2009 , available for download as a pdf at https://repository.library.noaa.gov/view/noaa/2628 . Results are also summarized in a NOAA Special Report (Hartwell et al. 2011), available for download as a pdf at\nhttps://repository.library.noaa.gov/view/noaa/2582. 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