Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru Nishihara-cho, Okinawa, 903-0213 Japan
Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru Nishihara-cho, Okinawa, 903-0213 Japan
Instrument Research Center, University of the Ryukyus, 1 Senbaru Nishihara-cho, Okinawa, 903-0213 Japan
Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru Nishihara-cho, Okinawa, 903-0213 Japan
Department of Land, Air and Water Resources, University of California, Davis, 3146 Plant & Environmental Sciences Building, Davis, CA 95616-8627 United States