About NAKAMURA KEIZO
About MITANI MASASHI
About 敬愛大 環境情報研
About sulfate ion
About amount of precipitation
About Pacific Ocean
About Sea of Japan
About nearshore zone
About summer
About winter
About linearity
About wet deposition
About nitrate ion
About sedimentation (settling)
About Geochemistry in general
About 硫酸イオン
About 硝酸イオン
About 湿性沈着
About 降水量