Scientific results at Hotcake Slough - Main study site 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 some of his scientific findings, and why he chose this location in Hotcake Slough as a study site. Process Observed: Open WaterGroundwater UpwellingScientific Measurements Date Process Observed: Saturday, March 31, 2012 Galleries: Hotcake Slough - Main Gallery