Toxic Substances Hydrology

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Filter Total Items: 3,639
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Year Published: 2018

Common hydraulic fracturing fluid additives alter the structure and function of anaerobic microbial communities

The development of unconventional oil and gas (UOG) resources results in the production of large volumes of wastewater containing a complex mixture of hydraulic fracturing chemical additives and components from the formation. The release of these wastewaters into the environment poses potential risks that are poorly understood. Microbial...

Mumford, Adam C.; Akob, Denise M.; Klinges, J. Grace; Cozzarelli, Isabelle M.
Mumford AC, Akob DM, Klinges JG, Cozzarelli IM. 2018. Common hydraulic fracturing fluid additives alter the structure and function of anaerobic microbial communities. Appl Environ Microbiol 84:e02729-17

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Year Published: 2018

Water-quality, bed-sediment, and biological data (October 2015 through September 2016) and statistical summaries of data for streams in the Clark Fork Basin, Montana

Water, bed sediment, and biota were sampled in selected streams from Butte to near Missoula, Montana, as part of a monitoring program in the upper Clark Fork Basin of western Montana. The sampling program was led by the U.S. Geological Survey, in cooperation with the U.S. Environmental Protection Agency, to characterize aquatic resources in the...

Dodge, Kent A.; Hornberger, Michelle I.; Turner, Matthew A.
Dodge, K.A., Hornberger, M.I., and Turner, M.A., 2018, Water-quality, bed-sediment, and biological data (October 2015 through September 2016) and statistical summaries of data for streams in the Clark Fork Basin, Montana: U.S. Geological Survey Open-File Report 2017–1136, 118 p., https://doi.org/10.3133/ofr20171136.

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Year Published: 2018

Importance of growth rate on mercury and polychlorinated biphenyl bioaccumulation in fish

To evaluate the effect of fish growth on mercury (Hg) and polychlorinated biphenyl (PCB) bioaccumulation, a non–steady‐state toxicokinetic model, combined with a Wisconsin bioenergetics model, was developed to simulate Hg and PCB bioaccumulation in bluegill (Lepomis macrochirus). The model was validated by comparing observed with predicted Hg and...

Li, Jiajia; Haffner, G. Douglas; Patterson, Gordon; Walters, David M.; Burtnyk, Michael D.; Drouillard, Ken G.

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Year Published: 2018

Associations between cyanobacteria and indices of secondary production in the western basin of Lake Erie

Large lakes provide a variety of ecological services to surrounding cities and communities. Many of these services are supported by ecological processes that are threatened by the increasing prevalence of cyanobacterial blooms which occur as aquatic ecosystems experience cultural eutrophication. Over the past 10 yr, Lake Erie experienced...

Larson, James H.; Evans, Mary Anne; Kennedy, Robert J.; Bailey, Sean; Loftin, Keith A.; Laughrey, Zachary; Femmer, Robin; Schaeffer, Jeff; Richardson, William B.; Wynne, Timothy; Nelson, J. C.; Duris, Joseph W.
Larson, J.H., Evans, M.A., Kennedy, R.J., Bailey S.W., Loftin, K.A., Laughrey, Z.R., Femmer, R.A., Schaeffer, J.S., Richardson, W.B., Wynne, T.T., Nelson, J.C., Duris, J.W. 2018. Associations between cyanobacteria and indices of secondary production in the western basin of Lake Erie. Limnology and Oceanography. 63(S1):S232-S243. DOI: 10.1002/lno.10733.

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Year Published: 2018

Environmental risks and challenges associated with neonicotinoid insecticides

Neonicotinoid use has increased rapidly in recent years, with a global shift towards insecticide applications as seed coatings rather than aerial spraying. While the use of seed coatings can lessen the amount of overspray and drift, the near universal and prophylactic use of neonicotinoid seed coatings on major agricultural crops has led to...

Hladik, Michelle L.; Main, Anson; Goulson, Dave
Hladik, M.L., Main, A.R., Goulson, D., 2018, Environmental risks and challenges associated with neonicotinoid insecticides, Environ. Sci. Technol.

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Year Published: 2018

Factors affecting mercury stable isotopic distribution in piscivorous fish of the Laurentian Great Lakes

Identifying the sources of methylmercury (MeHg) and tracing the transformations of mercury (Hg) in the aquatic food web are important components of effective strategies for managing current and legacy Hg sources. In our previous work, we measured stable isotopes of Hg (δ202Hg, Δ199Hg, and Δ200Hg) in the Laurentian Great Lakes and estimated source...

Janssen, Sarah E.; Yin, Runsheng; Ogorek, Jacob M.; DeWild, John F.; Tate, Michael T.; Holsen, Thomas M.; Hurley, James P.; Lepak, Ryan F.; Janssen, Sarah E.; Yin, Runsheng; Krabbenhoft, David P.; Ogorek, Jacob M.; DeWild, John F.; Tate, Michael T.; Holsen, Thomas M.; Hurley, James P.

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Year Published: 2018

Shrubland carbon sink depends upon winter water availability in the warm deserts of North America

Global-scale studies suggest that dryland ecosystems dominate an increasing trend in the magnitude and interannual variability of the land CO2 sink. However, such model-based analyses are poorly constrained by measured CO2 exchange in open shrublands, which is the most common global land cover type, covering ∼14% of Earth’s surface. Here...

Biederman, Joel A. ; Scott, Russell L.; John A. Arnone; Jasoni, Richard L. ; Litvak, Marcy E.; Moreo, Michael T.; Papuga, Shirley A.; Ponce-Campos, Guillermo E.; Schreiner-McGraw, Adam P. ; Vivoni, Enrique R.
Biederman, J.A., Scott, R.L., Arnone III, J.A., Jasoni, R.L., Litvak, M.E., Moreo, M.T., Papuga, S.A., Ponce-Campos, G.E., Schreiner-McGraw, A.P., Vivoni, E.R., 2018, Shrubland carbon sink depends upon winter water availability in the warm deserts of North America: Agricultural and Forest Meteorology, v. 249, p. 407-419, url: http://www.sciencedirect.com/science/article/pii/S0168192317303787.

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Year Published: 2018

Year-round presence of neonicotinoid insecticides in tributaries to the Great Lakes, USA

To better characterize the transport of neonicotinoid insecticides to the world's largest freshwater ecosystem, monthly samples (October 2015–September 2016) were collected from 10 major tributaries to the Great Lakes, USA. For the monthly tributary samples, neonicotinoids were detected in every month sampled and five of the six target...

Hladik, Michelle; Corsi, Steven R.; Kolpin, Dana W.; Baldwin, Austin K.; Blackwell, Brett R.; Cavallin, Jenna E.
Hladik, M.L., Corsi, S.R., Kolpin, D.W., Baldwin, A.K., Blackwell, B.R., Cavallin, J.E., 2018, Perennial presence of neonicotinoid insecticides in tributaries to The Great Lakes, USA, Env. Pollut.

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Year Published: 2018

Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA

Process-based modeling of regional NO3− fluxes to groundwater is critical for understanding and managing water quality, but the complexity of NO3− reactive transport processes make implementation a challenge. This study introduces a regional vertical flux method (VFM) for efficient estimation of reactive transport of NO3− in the vadose zone and...

Green, Christopher T.; Liao, Lixia; Nolan, Bernard T.; Juckem, Paul F.; Shope, Christopher L.; Tesoriero, Anthony J.; Jurgens, Bryant C.
Green, C. T., Liao, L., Nolan, B. T., Juckem, P. F., Shope, C. L., Tesoriero, A. J., & Jurgens, B. C. (2018). Regional variability of nitrate fluxes in the unsaturated zone and groundwater, Wisconsin, USA. Water Resources Research, 54. https://doi.org/10.1002/2017WR022012

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Year Published: 2018

Comparison of time nonlocal transport models for characterizing non-Fickian transport: From mathematical interpretation to laboratory application

Non-Fickian diffusion has been increasingly documented in hydrology and modeled by promising time nonlocal transport models. While previous studies showed that most of the time nonlocal models are identical with correlated parameters, fundamental challenges remain in real-world applications regarding model selection and parameter definition. This...

Lu, Bingqing; Zhang, Yong; Zheng, Chunmiao; Green, Christopher T.; O'Neill, Charles; Sun, Hong-Guang; Qian, Jiazhong

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Year Published: 2017

Potential for Small Unmanned Aircraft Systems applications for identifying groundwater-surface water exchange in a meandering river reach

The exchange of groundwater and surface water (GW-SW), including dissolved constituents and energy, represents a critical yet challenging characterization problem for hydrogeologists and stream ecologists. Here, we describe the use of a suite of high spatial-resolution remote-sensing techniques, collected using a small unmanned aircraft system (...

Pai, H.; Malenda, H.; Briggs, Martin A.; Singha, K.; González-Pinzón, R.; Gooseff, M.; Tyler, S.W.
Pai, H., H. Malenda, M. Briggs, K. Singha, R. González-Pinzón, M. Gooseff, and S.W. Tyler, 2017, Potential for Small Unmanned Aircraft Systems applications for identifying groundwater-surface water exchange in a meandering river reach, Geophysical Research Letters, doi: 10.1002/2017GL075836.

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Year Published: 2017

Estimating the high-arsenic domestic-well population in the conterminous United States

Arsenic concentrations from 20 450 domestic wells in the U.S. were used to develop a logistic regression model of the probability of having arsenic >10 μg/L (“high arsenic”), which is presented at the county, state, and national scales. Variables representing geologic sources, geochemical, hydrologic, and physical features were among the...

Ayotte, Joseph D.; Medalie, Laura; Qi, Sharon L.; Backer, Lorraine C.; Nolan, Bernard T.
Ayotte, Joseph D., Medalie, Laura, Qi, Sharon L., Backer, Lorraine C., and Nolan, Bernard T., 2017, Estimating the High-Arsenic Domestic-Well Population in the Conterminous United States. Environmental Science & Technology, DOI: 10.1021/acs.est.7b02881