5.0 Supporting Information (SI)
Bed Sediment Sampling. Deposited Soil sampling. Quality Assurance for Sediment Sampling.
List of WQM stations with their studied parameters (Table S1), Criteria for trace metals in soils (mg/kg) (Table S2), PCLs for trace metals in sediment samples (mg/kg) (Table S3), Maximum and most recent historical trace metal concentrations in sampled sediment sites (Table S4), Total depth, sediment total organic carbon (TOC), and field water quality parameters measured at the bed layer of waterbodies (Table S5).
Muddy waters in Rivers of Brown, Galveston Bay, and Gulf Mexico in the aftermath of Hurricane Harvey. (A) On August 31, 2017, 6 days after Hurricane Harvey’s landfall. Photo captured by Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. (B) through (D) are Sentinel 2, Level-2A: Bottom of atmosphere reflectance, true color photos from 9/1/17, 10/1/17, and 10/11/17, respectively (Figure S1), HSC-GB system segmentation (Figure S2), Spatial distribution of A) soil type, and B) erosion potential in the Greater Houston metropolitan (Figure S3), TSS concentrations plotted against the flow rates at the time of sampling for four of the major bayous in the GHMA (Figure S4), Grain type distribution in sediment samples collected from the tidal segments of the HSC-GB system post Hurricane Harvey for different stations (Figure S5), Deposited soil along Buffalo Bayou in Buffalo Bayou Park (29.764, -95.384) close to BB5 (see Figure 1 in the manuscript) Photos taken on 09/17/2017 (Figure S6), Location of deposited soil sampling stations and tidal sampling location relative to nearby Superfund sites (Figure S7).