1965 年 4 巻 2 号 p. 37-44
To evaluate the run o in the river, at irst, we must estimate rainall to basin o the river. Only a rough method is used or it at present, thereore we developed a new method capable to estimate exactly rainall with the aerological observations.
We perormed a test on this method to the River Takara water system and obtained the satisactory results.