1. Civil and Environmental Engineering, King Abdulaziz Univ., Edarah St., Jeddah 21589, Saudi Arabia.
2. Office of Research and Development, Center for Environmental Measurement and Modeling, Watershed and Ecosystem Characterization Division, Watershed Management Branch, USEPA, 26 West Martin Luther King Dr., Mail Stop: 236, Cincinnati, OH 45268. ORCID: .
3. Civil and Environmental Engineering, Catholic Univ. of America, 620 Michigan Ave. N.E., Washington, DC 20064 (corresponding author). ORCID: .