Auxiliary material for this article contains one data set and four figures.

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jgrd17585-sup-0001-readme.txtplain text document2Kreadme.txt
jgrd17585-sup-0002-ds01.pdfPDF document39KData Set. Summary of measured concentrations in the collected snow samples.
jgrd17585-sup-0003-fs01a.pdfPDF document33KFigure S1a. The 120 h backward air parcel trajectories calculated by the Meteorological Service of Canada for Barrow arriving at 9 March, 12:00 (UTC).
jgrd17585-sup-0004-fs01b.pdfPDF document34KFigure S1b. Same as Figure S1a but for 9 March, 18:00 (UTC).
jgrd17585-sup-0005-fs01c.pdfPDF document33KFigure S1c. Same as Figure S1a but for 10 March, 0:00 (UTC).
jgrd17585-sup-0006-fs01d.pdfPDF document33KFigure S1d. Same as Figure S1a but for 10 March, 6:00 (UTC).
jgrd17585-sup-0007-t01.txtplain text document2KTab-delimited Table 1.
jgrd17585-sup-0008-t02.txtplain text document2KTab-delimited Table 2.

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