Project supported by the National Natural Science Foundation of China (Grant Nos. 50479068, 50779014);the Technological Innovation Project of Graduate students in Jiangsu Province (Grant No.1306014);the Project of "Six Talent Peak" of Jiangsu Province (Grant No. 07-A-006).
To measure the surface flow in a physical river model, an improved system of Large-Scale Particle Tracking Velocimetry (LSPTV) was proposed and the elements of the PTV system were described. Usually the tracer parti...