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Description of Work Benthos (benthic invertebrate) and plankton (phytoplankton/zooplankton) communities in Wisconsin's four Lake Michigan Areas of Concern (AOCs; Menominee River, Lower Green Bay and Fox River, Sheboygan River, and Milwaukee Estuary) and six non-AOCs will be quantified. The inclusion of non-AOC sites will allow comparison of AOC sites to relatively-unimpacted or less-impacted control sites with natural physical and chemical characteristics that are as close as possible to that of the AOCs. The community data within and between the AOCs and non-AOCs will be analyzed. This project is a cooperative agreement between the Wisconsin Department of Natural Resources (WDNR) and the US Geological Survey (USGS)....
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ADCP data were collected on November 4, 2015 at the confluence of the Illinois River and Fox River near Ottawa, IL using a Teledyne Rio Grande 1200 kHz Acoustic Doppler Current Profiler with integrated Trimble Ag162 GPS. ADCP data was collected in reciprocal pairs along cross-sections. The data are provided in: (1) a zipped folder containing classic ascii output files exported from WinRiverII software, and a README text file indicating which files are reciprocal pairs (2) a zipped folder containing KML files for each transect.
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Adult walleye (10 females and 10 males) were caught in Fox River (Wisconsin) during April 2014. Total length, weight, and age were determined for each of the walleye. Whole-fish homogenates were prepared during 2017. Lipid concentration and polychlorinated biphenyl (PCB) congener concentrations were determined in each of the homogenates during 2017-2018. For each sample, PCB congener concentrations were summed to yield total PCB concentration. All lipid and PCB congener terminations were made at the University of Michigan School of Public Health in Ann Arbor, Michigan.
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Scouring of streambed material surrounding bridge structures is a leading cause of bridge failure in the United States. Damages resulting from bridge failure oftentimes lead to financial burdens and loss of life. To date, there has been no comprehensive evaluation of the current (2016) effectiveness of the guidance or overall long-term performance of bridge-scour countermeasures provided in the Federal Highway Administration, Hydraulic Engineering Circular No. 23, Bridge Scour and Stream Instability Countermeasures. To that end, the U.S. Geological Survey, in cooperation with the Federal Highway Administration, obtained bathymetric, topographical, and other data at 14 of the surveyed sites across the United States...
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This preliminary report is a summary of progress made during the 2006-07 field seasons reconstructing depositional systems in Tertiary strata exposed in the Homer-Kachemak Bay area.The study area addressed in this report extends from Clam Gulch in the north to Coal Cove in the south.Tertiary strata in this area are only mildly deformed and provide a relatively clear view of depositional systems and sand body geometries along the eastern basin edge and their change from basin edge to more basin axial positions.
Water velocities were measured in the Illinois and Des Plaines Rivers using a Teledyne Rio Grande 1200 kHz acoustic Doppler current profiler (ADCP). ADCP data were collected in reciprocal pairs along cross-sections and along approximately streamwise-oriented lines between cross sections at the following locations: (1) the confluence of the Fox River and the Illinois River near Ottawa, IL on November 4, 2015 (2) immediately downstream of Starved Rock Lock and Dam on the Illinois River near Utica, IL on May 22, 2015 (3) the Dresden Island Pool of the Des Plaines River on July 31 – August 1, 2013 (4) the Marseilles Pool of the Illinois River on May 14-15, 2013 and May 28, 2013 The WinRiverII ASCII output file and...
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Adult walleye were caught in Fox River (Wisconsin) during April 2014. Age-0 walleye were caught in Fox River during October 2014. Total length, weight, age, and proportion of weight represented by water were determined for each of the walleye. Whole-fish homogenates were prepared during 2014-2015 and during 2017. Total mercury (HgT) concentration, methylmercury (MeHg) concentration, and mercury (Hg) isotope ratios were determined in the homogenates during 2014-2015 and during 2017-2018. All mercury determinations were made at the USGS Mercury Research Laboratory in Middleton, Wisconsin.


    map background search result map search result map Benthos & Plankton in Wisconsin's Lake Michigan AOCs Velocity Mapping with an acoustic Doppler current profiler (ADCP) in the Illinois River and Des Plaines River Velocity Mapping at the confluence of the Illinois River and Fox River near Ottawa, IL Geospatial Data for Bridge Scour Countermeasure Assessments at Select Bridges in the United States, 2014–16 SiteID-009 Fox River at US-61 near Wayland, MO Facies associations, sand body geometry, and depositional systems in Late Oligocene-Pliocene strata, southern Kenai Peninsula, Cook Inlet, Alaska: Report on progress during the 2006-07 field season Fox River walleye mercury isotope data Polychlorinated biphenyl concentrations in adult walleye from the Fox River (Wisconsin) population, 2014 SiteID-009 Fox River at US-61 near Wayland, MO Velocity Mapping at the confluence of the Illinois River and Fox River near Ottawa, IL Facies associations, sand body geometry, and depositional systems in Late Oligocene-Pliocene strata, southern Kenai Peninsula, Cook Inlet, Alaska: Report on progress during the 2006-07 field season Fox River walleye mercury isotope data Polychlorinated biphenyl concentrations in adult walleye from the Fox River (Wisconsin) population, 2014 Benthos & Plankton in Wisconsin's Lake Michigan AOCs Geospatial Data for Bridge Scour Countermeasure Assessments at Select Bridges in the United States, 2014–16