USDA/ARS Hydrology and Remote Sensing Lab, Bldg. 007 - BARC West, Beltsville, MD 20705 United States
Hitachi Ltd., 4-6 Kanda-Surugadai Chiyoda- Ku,, Tokyo, 101-8010 Japan ; Faculty of Engineering,University of Tokyo, University of Tokyo, Tokyo, 113-0033 Japan
Faculty of Engineering,University of Tokyo, University of Tokyo, Tokyo, 113-0033 Japan