| "The water level observation of stream in small forested-catchments of FM Tama hill experimental field was gathered for about eight years in December 1994 - March 2003. The tendency of seasonal changes of amount of water was not clear. On the other hand, an amount of water has a tendency which will increase if the precedence precipitation of a 24 hours becomes more than 20mm hr-1, although variation is large. When amounts of water were compared at two adjoining watersheds, a big and small tendency of amounts of water changed with observed seasons. It suggested a possibility that there is a difference in the time lag of rain and an outflow at two watersheds. " |
