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  5. Microplastics in the water column and sediment in Milwaukee-Area streams, the Milwaukee Harbor, and Lake Michigan, 2016

Microplastics in the water column and sediment in Milwaukee-Area streams, the Milwaukee Harbor, and Lake Michigan, 2016

Dates

Publication Date
Start Date
2016-05-01
End Date
2016-09-30

Citation

Baldwin, A.K., Lenaker, P.L., Corsi, S.R., Mason, S.A., Reneau, P.C., and Scott, J.W., 2019, Microplastics in the water column and sediment in Milwaukee-Area streams, the Milwaukee Harbor, and Lake Michigan, 2016: U.S. Geological Survey data release, https://doi.org/10.5066/P9FM835B.

Summary

This dataset describes the quantity, morphology, and polymer identity of microplastics in the water column and surficial sediments of Milwaukee-Area streams, the Milwaukee Harbor, and Lake Michigan (Wisconsin). Water samples were collected at 10 locations, 2-4 times each, from May to September, 2016. At the 4 shallowest locations, water was collected only at the water surface. At the remaining 6 locations, water was collected at the water surface and at 1-4 depths below the surface. Sediment samples were collected once, in June 2016, at a subset of 9 locations. Sampling and analysis methods are described in the Processing Steps section of the metadata. These data are interpreted in the following journal article: Lenaker, P. L., Baldwin, [...]

Contacts

Point of Contact :
Austin K Baldwin
Originator :
Austin K Baldwin, Peter L Lenaker, Steven R Corsi, Sherri A Mason, Paul C Reneau, John W Scott
Metadata Contact :
Austin K Baldwin
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Idaho Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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Milw_microplastics.xml
Original FGDC Metadata
View 		20.54 KB application/fgdc+xml
FTIR_summary.csv 12.86 KB text/csv
schematic of sampling throughout water column_v3_for_data_release.png
“Schematic of multiple-depth sampling of the water column” 		thumbnail 11.62 KB image/png
20160518_111308.jpg thumbnail 2.25 MB image/jpeg
water_and_sed_data.csv 75.32 KB text/csv

Purpose

These data were obtained in order to assess the variability in the vertical distribution of microplastics in the water column and sediment from stream to estuary to lake. Understanding the vertical distribution of microplastics is critical to estimating loads. Previous studies have generally sampled only the water surface, potentially over- or under-estimating the quantity of microplastics present. This study was funded by the Milwaukee Metropolitan Sewerage District and the USGS Cooperative Matching Funds Program.
Schematic of multiple-depth sampling of the water column
Schematic of multiple-depth sampling of the water column

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Communities

  • USGS Data Release Products
  • USGS Idaho Water Science Center
  • Upper Midwest Water Science Center

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9FM835B

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