the concentrations of ss, nitrogen and phosphorus decreased with time in either short-time heavy rain or long-time weak rain, while the content of dissolved nitrogen and phosphorus declined slightly.
无论短历时强降雨还是长历时弱降雨,其径流中ss、氮、磷均随降雨历时的延长而降低,其中溶解态氮、磷随降雨历时的变化较小。