Ice thickness in Mo's Slough No flash player has been set up. Please select a player to play Flash videos. Video not playing? Update your browser or download the video clip Knut Kielland breaks ice to show differences in thickness, effect of warmer groundwater upwelling, and presence of iron oxidizing bacteria. Process Observed: Ice ThicknessGroundwater UpwellingIron Oxidizing BacteriaOpen Water Date Process Observed: Friday, February 12, 2010 Galleries: Mo's Slough 1 Gallery