North Dakota Water Science Center
U.S. Geological Survey employees, developing SWIM software, testing equipment and software in ice conditions at the Goose River at Hillsboro, ND. They also tested an acoustic Sontek Flowtracker to see if it was operational in cold (-18 degrees Celsius) weather. The photos show a conventional pygmy meter with a PDA and SWIM software being compared to an acoustic Flowtracker meter. |
February 4, 2004