1. School of Civil and Environmental Engineering; Cornell University; Ithaca New York USA
2. Graduate School of Environmental Studies; Nagoya University; Nagoya Japan
3. Institute for Space-Earth Environmental Research (ISEE); Nagoya University; Nagoya Japan
4. CSIRO Water for a Healthy Country National Research Flagship, CSIRO Land and Water, Christian Laboratory; Canberra Australia
5. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation; Northwest A&F University; Yangling China