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通过分析陕南河流泥沙的输移比现状、输移比的时空变化及发展趋势，指出在特定的自然地理条件下，泥沙中推移质比例较大，致使该区泥沙输移比远小于１，这是陕南河流泥沙运移的重要特征；输移比在空间上有明显差异并且沿程逐渐增大。从时间上看，自５０年代以来，输移比有不断减小的趋势，今后一段时间，随着区内河流径流量的减少和人为侵蚀作用的加剧，泥沙输移比仍会减小。
Through analyzing the current situation of the sediment transport in southern Shaanxi and its temporal and spatial variation and development trend, it is pointed out that under certain natural and geographical conditions, the proportion of pluton in the sediment is relatively large, resulting in the sediment transport ratio being far Less than 1, which is an important feature of the sediment transport in southern Shaanxi River; the transport ratio is obviously different in space and gradually increases along the process. From the time point of view, since the 1950s, the ratio of transport to transport has been declining. In the future, with the reduction of river runoff in the area and the aggravating effect of anthropogenic erosion, the sediment transport ratio will still decrease.