Hydrological processes of freezing, water level, and ice collapse 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 Chas Jones explains hydrological processes involved with ice freezing, water level, and ice collapse. Process Observed: Open WaterIce CollapseWater Level Drop Date Process Observed: Monday, March 8, 2010 Galleries: Hotcake Slough A Gallery