Upper Midwest Water Science Center
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Our USGS Upper Midwest Water Science Center priority is to continue the important work of the Department of the Interior and the USGS, while also maintaining the health and safety of our employees and community. Based on guidance from the White House, the CDC, and state and local authorities, we are shifting our operations to a virtual mode and have minimal staffing within our offices. If you need additional assistance, please contact Center Director John Walker at jfwalker@usgs.gov.
Current conditions in MI, MN, and WI
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Learn more about the Upper Midwest Water Science Center from John Walker, our Center Director.
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Project Underway to Identify Algal Toxins in US National Park Waterways
Scientists from the U.S. Geological Survey and National Park Service partnered on a first-of-its-kind, nationwide harmful algal bloom, or HAB, field study that began this summer and will continue over the next two years.
Water Resources in Minnesota Significantly Improved by Land Restoration
Conversion of agricultural lands to wetland and native prairie greatly enhanced the quality of water resources, increased groundwater recharge and decreased floodwaters in the Glacial Ridge National Wildlife Refuge, Minnesota, according to a U.S. Geological Survey study.
Surface-Air Mercury Fluxes and a Watershed Mass Balance in Forested and Harvested Catchments
Forest soils can act as repositories for atmospherically deposited mercury, yet forestry practices can influence mercury mobility and fluxes, food web dynamics, and bioaccumulation processes.
Publications
Evidence for interannual persistence of infectious influenza A viruses in Alaska wetlands
Influenza A viruses (IAVs) deposited by wild birds into the environment may lead to sporadic mortality events and economically costly outbreaks among domestic birds. There is a paucity of information, however, regarding the persistence of infectious IAVs within the environment following deposition. In this investigation, we assessed the...
Ramey, Andrew M.; Reeves, Andrew B.; Lagassé, Benjamin Joel; Patil, Vijay P.; Hubbard, Laura E.; Kolpin, Dana W.; McCleskey, R. Blaine; Repert, Deborah A.; Stallknecht, David E.; Poulson, Rebecca L. Mercury isotope fractionation by internal demethylation and biomineralization reactions in seabirds: Implications for environmental mercury science
A prerequisite for environmental and toxicological applications of mercury (Hg) stable isotopes in wildlife and humans is quantifying the isotopic fractionation of biological reactions. Here, we measured stable Hg isotope values of relevant tissues of giant petrels (Macronectes spp.). Isotopic data were interpreted with published HR-XANES...
Manceau, Alain; Brossier, Romain; Janssen, Sarah E.; Rosera, Tylor; Krabbenhoft, David P.; Cherel, Yves; Bustamante, Paco; Poulin, Brett Integrating ecosystem metabolism and consumer allochthony reveals nonlinear drivers in lake organic matter processing
Lakes process both terrestrial and aquatic organic matter, and the relative contribution from each source is often measured via ecosystem metabolism and terrestrial resource use in the food web (i.e., consumer allochthony). Yet, ecosystem metabolism and consumer allochthony are rarely considered together, despite possible interactions and...
Holgerson, Meredith A.; Hovel, Rachel A.; Kelly, Patrick T.; Bortolotti, Lauren E; Brentrup, Jennifer A.; Bellamy, Amber R; Oliver, Samantha; Reisenger, Alexander J