Digital collections

Navigation display on USCG icebreaker HEALY at 76 44 N, 134 09 W . Note airtemperature of 9.75 Fahrenheit and a sea temperature of minus 1.3 Celsius(approximately 30 Fahrenheit, below the freezing point of fresh water). (Image credit: Collection of Dr. Pablo Clemente-Colon, Chief Scientist National Ice Center)