1. Ph.D. Student, Dept. of Hydrology and Atmospheric Sciences, Univ. of Arizona, Tucson, AZ 85721.
2. Ph.D. Student, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan.
3. Associate Professor, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan (corresponding author). ORCID: .
4. Regents’ Professor, Dept. of Hydrology and Atmospheric Sciences, Univ. of Arizona, Tucson, AZ 85721.