00000nam 2200000za 4500 9.802258 CaOODSP 20221107134944 cr ||||||||||| 150722s2015 bcc|||||o f|0| 0 eng d 978-0-660-03068-5 1488-5379 CaOODSP eng eng fre n-cn--- Fs97-6/3135E-PDF Surry, A. M. A new method for calculating ALPI [electronic resource] : the Aleutian low pressure index / A.M. Surry and J.R. King. Nanaimo, B.C. : Fisheries and Oceans Canada, 2015. v, 31 p. : graphs, tables. Canadian technical report of fisheries and aquatic sciences, 1488-5379 ; 3135 Includes bibliographic references. A new method of calculating the area of the Aleutian Low and the Aleutian Low Pressure Index (ALPI) using R software is presented. The ALPI time series is generated using the new method for the full time series, 1900 – 2015. Overall, the new method produces ALPI values that are comparable to previously published values (1900 – 2008), with no difference in periods with positive or negative values. We also introduce a method that estimates the geographic location of the center of the Aleutian Low, and produce estimates of the geographic coordinates for the center of the seasonal Aleutian Low for 1900 – 2015. We observed that the seasonal center appeared more likely to occur to the east of the overall center in years with positive ALPI, and to the west of the overall center in years with negative ALPI. gccst Fisheries King, J. R. (Jacquelynne R.), 1968- Canada. Department of Fisheries and Oceans. Canadian technical report of fisheries and aquatic sciences, 1488-5379 ; 3135 (CaOODSP)9.504449 PDF 1.40 MB https://publications.gc.ca/collections/collection_2016/mpo-dfo/Fs97-6-3135-eng.pdf