Abstract
.In our laboratory, on 27th September 2016Active volcanoes centering on Ontakeyama, which had been investigating before the eruption activityI am studying the water environment around my body. Even in Mt. Asama, the surrounding water qualityBy grasping and clarifying regional characteristics, it is essential for water environment formationI attempted to consider the cause.Surveys are conducted about every month since June 20, 2015.The survey point is 48 places together with river and precipitation sampling point. On siteMeasure AT, WT, pH, RpH, EC and sump waterAfter ringing and filtering, TOCAnd dissolved components were analyzed.Muddy water flowing down the south slope of Mt. Asama and abnormally low in the summer of the northern footYou can see the characteristics of the rivers around Mt. Asama such as the point showing water temperatureAt the same time, it grasps to some extent about fluctuation of water quality for 2 yearsWe were able to. From now on, we will focus on the southern foot,The area of the top) is planned to be investigated.