_:genid1 ""^^ . _:genid2 . _:genid3 . _:genid3 "Data exported to .csv from ftp://sidads.colorado.edu/DATASETS/NOAA/G02135/Sep/N_09_area.txt. \"Extent\" plotted after being converted from square kilometers to square miles. \r\n\r\nData used are for the month of September, from 1979 to 2014. \r\n\r\nData was accessed on October 8, 2014."^^ . _:genid4 . _:genid4 _:genid2 . _:genid4 _:genid3 . "65878d6c-arctic-sea-ice-extent-process" . _:genid1 . _:genid4 . . . .