[1] Univ Calif Davis, Dept Mech & Aeronaut Engn, Davis, CA 95616 USA
[2] Univ Calif Davis, Dept Civil & Environm Engn, Davis, CA 95616 USA
[3] Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA
[4] Univ E Anglia, Sch Environm Sci, Norwich NR4 7TJ, Norfolk, England