Search Results - "Kelly, Walton R."

Diversity and geochemical community assembly processes of the living rare biosphere in a sand-and-gravel aquifer ecosystem in the Midwestern United States by Yamamoto, Kyosuke, Hackley, Keith C., Kelly, Walton R., Panno, Samuel V., Sekiguchi, Yuji, Sanford, Robert A., Liu, Wen-Tso, Kamagata, Yoichi, Tamaki, Hideyuki

“…Natural microbial communities consist of a limited number of abundant species and an extraordinarily diverse population of rare species referred to as the rare…”
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Long-Term Trends in Chloride Concentrations in Shallow Aquifers near Chicago by Kelly, Walton R

“…The rapid expansion of major cities throughout the world is resulting in the degradation of water quality in local aquifers. Increased use of road deicers…”
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Occurrence and removal of pharmaceutical and hormone contaminants in rural wastewater treatment lagoons by Li, Xiaolin, Zheng, Wei, Kelly, Walton R.

“…Rural communities in the United States usually use a series of aerated lagoons to treat domestic wastewater. Effluents from these systems are typically…”
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Using chloride and other ions to trace sewage and road salt in the Illinois Waterway by Kelly, Walton R., Panno, Samuel V., Hackley, Keith C., Hwang, Hue-Hwa, Martinsek, Adam T., Markus, Momcilo

“…Chloride concentrations in waterways of northern USA are increasing at alarming rates and road salt is commonly assumed to be the cause. However, there are…”
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Isotopic evidence of nitrate sources and denitrification in the Mississippi River, Illinois by Panno, S.V, Hackley, K.C, Kelly, W.R, Hwang, H.H

“…Anthropogenic nitrate (NO3(-)) within the Mississippi-Atchafalaya River basin and discharge to the Gulf of Mexico has been linked to serious environmental…”
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Microplastic Contamination in Karst Groundwater Systems by Panno, Samuel V., Kelly, Walton R., Scott, John, Zheng, Wei, McNeish, Rachel E., Holm, Nancy, Hoellein, Timothy J., Baranski, Elizabeth L.

“…Groundwater in karst aquifers constitutes about 25% of drinking water sources globally. Karst aquifers are open systems, susceptible to contamination by…”
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Geochemistry of extremely alkaline (pH > 12) ground water in slag-fill aquifers by Roadcap, G.S, Kelly, W.R, Bethke, C.M

“…Extremely alkaline ground water has been found underneath many shuttered steel mills and slag dumps and has been an impediment to the cleanup and economic…”
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Tracing fecal pollution sources in karst groundwater by Bacteroidales genetic biomarkers, bacterial indicators, and environmental variables by Zhang, Ya, Kelly, Walton R., Panno, Samuel V., Liu, Wen-Tso

“…Fecal contamination in Midwestern karst regions was evaluated by simultaneously measuring traditional bacterial indicators (coliforms and Escherichia coli),…”
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Impact of salinity origin on microbial communities in saline springs within the Illinois Basin, USA by Zhao, Linduo, Shao, Hongbo, Zhang, Li, Panno, Samuel V., Kelly, Walton R., Lin, Tzu‐Yu, Liu, Wen‐Tso, Flynn, Theodore M., Berger, Peter

“…Saline springs within the Illinois Basin result from the discharge of deep‐seated evaporated seawater (brine) and likely contain diverse and complex microbial…”
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Hydrogeochemical controls on aquifers of northwestern Illinois’ Driftless Area, USA by Panno, Samuel V., Kelly, Walton R., Baranski, Elizabeth L.

“…Groundwater in the Driftless Area of northwestern Illinois is a very hard Ca–Mg-bicarbonate-type water that reflects the dolomite aquifer material in this…”
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Recharge and Groundwater Flow Within an Intracratonic Basin, Midwestern United States by Panno, Samuel V., Askari, Zohreh, Kelly, Walton R., Parris, Thomas M., Hackley, Keith C.

“…The conservative nature of chloride (Cl−) in groundwater and the abundance of geochemical data from various sources (both published and unpublished) provided a…”
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Arsenic in glacial aquifers: sources and geochemical controls by Kelly, W.R, Holm, T.R, Wilson, S.D, Roadcap, G.S

“…A total of 176 wells in sand-and-gravel glacial aquifers in central Illinois were sampled for arsenic (As) and other chemical parameters. The results were…”
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Formation waters from Cambrian-age strata, Illinois Basin, USA: Constraints on their origin and evolution by Panno, Samuel V., Hackley, Keith C., Locke, Randall A., Krapac, Ivan G., Wimmer, Bracken, Iranmanesh, Abbas, Kelly, Walton R.

“…Recently, brine samples from the Cambrian-age Mount Simon Formation (the deepest, most inaccessible sedimentary rock formation of the Illinois Basin) and the…”
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Sources and fate of nitrate in the Illinois River Basin, Illinois by Panno, Samuel V., Kelly, Walton R., Hackley, Keith C., Hwang, Hue-Hwa, Martinsek, Adam T.

“…We conducted a two-year investigation into the sources and fate of nitrate ( NO 3 - ) in the Illinois River from the Chicago area to the river’s confluence…”
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Hydrogeologic and topographic controls on evolution of karst features in Illinois’ sinkhole plain by Panno, Samuel V., Kelly, Walton R., Angel, Julie C., Luman, Donald E.

“…In the sinkhole plain of southwestern Illinois, the size and morphology of cover-collapse sinkholes can be used as an indicator of the size of the associated…”
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Heterogeneities in ground-water geochemistry in a sand aquifer beneath an irrigated field by Kelly, Walton R

“…The contamination of shallow aquifers by elevated nitrate concentrations is a common problem in many rural regions of the world. Aquifers under irrigated land…”
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Groundwater Geochemistry and Isotopes by Kelly, Walton R.

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Arsenic removal at Illinois iron removal plants by HOLM, THOMAS R., KELLY, WALTON R., WILSON, STEVEN D., TALBOTT, JONATHAN L.

“…Most published adsorption studies used aged HFO for the sake of reproducibility. However, adsorption models based on the properties of aged HFO underpredict…”
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Calibrating a model to 30 years of data to capture the accumulation of chloride from winter deicers in a shallow aquifer by Cullen, Cecilia, Abrams, Daniel B., Mannix, Devin H., Kelly, Walton R.

“…Winter deicers are a major source of chloride contamination to shallow aquifers in northern latitudes. In the greater Chicago area of northeast Illinois,…”
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Calibrating a model to 30years of data to capture the accumulation of chloride from winter deicers in a shallow aquifer by Cullen, Cecilia, Abrams, Daniel B, Mannix, Devin H, Kelly, Walton R

“…Winter deicers are a major source of chloride contamination to shallow aquifers in northern latitudes. In the greater Chicago area of northeast Illinois,…”
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