Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Routed Upstream Watersheds for the Conterminous United States: Watershed Potential to Contribute Phosphorus from Geologic Materials to Receiving Streams

This tabular data set represents the contribution of phosphorus (P) to streams from weathering and erosion of surficial geologic materials compiled for two spatial...本表格型数据集表征了由表层地质物质（surficial geologic materials）风化与侵蚀作用产生的磷（P）对溪流的贡献量，该数据集针对两类空间……完成了汇编工作。