Nihon University, 1-3-2 Misaki-Cho, Chiyoda-Ku, Tokyo 101-8360, Japan
Biography
Otsuki A, Nihon University, 1-3-2 Misaki-Cho, Chiyoda-Ku, Tokyo 101-8360, Japan. He has published more than 30 articles, In the field of Environment, Geospatial Science, Natural Disasters,Earth Sciences, Geographic Information System.