According to the data obtained from water Balance observation site in forest, a quantitative analysis for the components of water Balance in Korean Pine forest and on a cutover are made. The distributions of the components are as follows:Korean Pine forest.Rainfall 100%; Evapotranspiration 84.3%;Slope run-off (above surface run-off and soil run-off) 1.7%;Permeance 11.2%; Change of holding water in soil 3.1%;Correction value of observation - 0.3%.On cutover.Rainfall 100%; Evapotranspiration 71.7%;Slope run-o...