The 2015 U.S. Repeat Hydrography (ARC01) / U.S. GEOTRACES (GN01) Arctic Expedition

ARC01 / GN01 Cruise

« »

A polar bear (Ursus maritimus) visiting the USCGC Healy during the 3rd cast of the 19th station, located at 79°59'N, 174°59'W. Video taken on 23 August 2015 by A.R. Margolin.

Sea ice data is from Cavalieri, D.J., C.L. Parkinson, P. Gloersen, H.J. Zwally. 1996, updated yearly. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data, Version 1. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi:, plotted in Matlab using M_Map

Please contact Andrew Margolin at if you would like to use this video for educational purposes.