The changing tendency of the runoff Reynold's number , flow velocity ,runoffsediment concentration and sediment transport rate versus time was parabola curve in theexperiments, the critical slope gradient was about ?
The changing tendency of the runoff Reynold's number , flow velocity ,runoffsediment concentration and sediment transport rate versus time was parabola curve in theexperiments, the critical slope gradient was about ?
当放水流量相同时，坡面径流雷诺数Re、坡面径流平均流速、坡面径流平均剪切力、坡面径流能耗、坡面径流含沙量和坡面径流输沙率均随试验坡度的增大呈抛物线形式变化，临界坡度出现在°左右。