We currently see systematic differences in segment width between the NHM and NHDPlusv2 values (in meters), respectively. In the plot below, seg_width_max is the maximum "empirically-estimated" width for the COMIDs that comprise each NHM segment.
We should inspect these variables to understand why the width estimates differ, especially for wider reaches (e.g. along the Delaware River mainstem). One idea for creating a more "apples-to-apples" comparison between the NHM and NHD widths is to just use our empirical approach and replace seg_width (NHM) with seg_width_max and use those widths as a new catchment attribute in river-dl.
We currently see systematic differences in segment width between the NHM and NHDPlusv2 values (in meters), respectively. In the plot below,
seg_width_maxis the maximum "empirically-estimated" width for the COMIDs that comprise each NHM segment.We should inspect these variables to understand why the width estimates differ, especially for wider reaches (e.g. along the Delaware River mainstem). One idea for creating a more "apples-to-apples" comparison between the NHM and NHD widths is to just use our empirical approach and replace
seg_width(NHM) withseg_width_maxand use those widths as a new catchment attribute in river-dl.