_:genid1 ""^^ . _:genid2 . _:genid3 . _:genid3 "Inputs: \r\n1. September 13, 2012 image from JAXA’s Advanced Microwave Scanning Radiometer 2 (AMSR-2) sensor on the Global Change Observation Mission 1st–Water (“Shizuku”) satellite \r\n2. September 14, 1984 image from NASA’s Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus-7 satellite.\r\n\r\nThe above two input satellite images (AMSR-2 and SMMR) were obtained from JAXA and the National Snow and Ice Data Center, respectively, overlaid with maps and labelled"^^ . _:genid4 . _:genid4 _:genid2 . _:genid4 _:genid3 . "nca3-sea-ice-cover-reaches-record-low-activity-2" . _:genid1 . _:genid4 . . . . . .