%0 Journal Article %A Ni Jinyen %A Zhang Ren %T THEORIES ON THE CAUSE OF CHANNEL PATTERN FORMATION %D 1991 %R 10.11821/xb199103013 %J Acta Geographica Sinica %P 366-372 %V 46 %N 3 %X The approaches for studying channel pattern used by various investigators have been classi-fied according to their theoretical basis in this paper, such as hypothesis on geomorphic thre-sholds, extremal hypothesis on energy dissipation rate, theory of stability, theory of stochastic analysis and method of statistic analysis. %U https://www.geog.com.cn/EN/10.11821/xb199103013