RUSALCA- BERING STRAIT AON 2011 MOORING CRUISE REPORT Russian Research Vessel Professor Khromov (also called Spirit of Enderby) Nome,

grant (PIs: Woodgate, Weingartner, Whitledge and Lindsay) with shiptime and logistical support from the NOAA RUSALCA (Russian-US Long-term Census of the Arctic) program. The moorings measure water velocity, temperature, salinity, ice motion, ice thickness (crudely) and some bio-optics. During the 2011 cruise, the 5 moorings in US waters were successfully recovered. The 3 moorings in Russian waters were unable to be recovered and were left in the water recording data for recovery in 2012, likely by dragging. A total of 8 moorings were deployed on the 2011 cruise – 5 at the sites previously occupied in US waters, 2 at new mooring sites within the US channel of the strait and 1 ~ 4nm north of the Diomede Islands, in a region hypothesized to be an important eddying and mixin