沉积交货比率(SDR ) 是过去常为要送到特别的盆的插头的侵蚀的沉积决定能力的指示物。在最后 50 年期间在中国和国外基于 SDR 研究的系统的评论,这研究分析 SDR 是否有规模依赖者特征并且讨论 SDR 的分数维的特征。另外,在在中国和国外的各种各样的分水岭的 SDR 与时间、空间的规模显示出关联,它意味着 SDR 取决于分水岭规模。而且, SDR 能是在某些时间、空间的规模下面用分数维的尺寸表示并且可伸缩的份量上。在一个嵌套的分水岭以内,一个建议 SDR 规模转移模型与约 1 的一个区域在典型分水岭单位规模用 SDR 被构造; km 2(SDR′) 和在一个嵌套的分水岭的 SDR 的一种分数维的尺寸放大(D) 。这研究也指出没有认为它的规模是依赖, SDR 的学习和计算不能是正确的。构造由使用分数维的尺寸放大模型的 SDR 是一条有效、有用的途径,它能是关于以后可伸缩的 SDR 的一个有趣的研究话题。
The sediment delivery ratio (SDR) is an indicator used to determine the capacity for eroded sediment to be delivered to the outlet of a particular basin. Based on systematic reviews of SDR studies in China and abroad during the last 50 years, this study analyzes whether the SDR has scale-dependent characteristics and discusses the fractal characteristics of the SDR. In addition, the SDR in various watersheds in China and abroad showed correlations with temporal and spatial scales, which means that the SDR depends on watershed scale. Moreover, the SDR can be quantitatively expressed and scaled using fractal dimension under certain temporal and spatial scales. Within a nested watershed, a proposed SDR scale transfer model was constructed using the SDR at a typical watershed unit scale with an area of approximately 1 km^2 (SDR') and a fractal dimension of the SDR at a nested watershed scale (D). This research also points out that the study and calculation of the SDR cannot be correct without considering its scale dependence. It is a valid and useful approach to construct SDR scaling models by using fractal dimension, which could be an interesting research topic regarding SDR scaling in the future.