A Watershed-Based Debris Flow Early Warning System Using Sensor Web Enabling Techniques in Heterogeneous Environments. - Jen-Cheng Chiu; Chyi-Ren Dow; Cheng-Min Lin; Jyh-Horng Lin; Hsueh-Wei Hsieh (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2012)