Search Results - "Burow, Karen R."

Effects of Groundwater Development on Uranium: Central Valley, California, USA by Jurgens, Bryant C, Fram, Miranda S, Belitz, Kenneth, Burow, Karen R, Landon, Matthew K

“…Uranium (U) concentrations in groundwater in several parts of the eastern San Joaquin Valley, California, have exceeded federal and state drinking water…”
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Nitrate in Groundwater of the United States, 1991−2003 by Burow, Karen R, Nolan, Bernard T, Rupert, Michael G, Dubrovsky, Neil M

“…An assessment of nitrate concentrations in groundwater in the United States indicates that concentrations are highest in shallow, oxic groundwater beneath…”
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Large decadal-scale changes in uranium and bicarbonate in groundwater of the irrigated western U.S by Burow, Karen R., Belitz, Kenneth, Dubrovsky, Neil M., Jurgens, Bryant C.

“…Samples collected about one decade apart from 1105 wells from across the U.S. were compiled to assess whether uranium concentrations in the arid climate are…”
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Factors affecting 1,2,3-trichloropropane contamination in groundwater in California by Burow, Karen R., Floyd, Walter D., Landon, Matthew K.

“…1,2,3-Trichloropropane (1,2,3-TCP) is a volatile organic chemical of eminent concern due to its carcinogenic, mutagenic, and reproductive effects, and its…”
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Linking ground-water age and chemistry data along flow paths: Implications for trends and transformations of nitrate and pesticides by Tesoriero, Anthony J., Saad, David A., Burow, Karen R., Frick, Elizabeth A., Puckett, Larry J., Barbash, Jack E.

“…Tracer-based ground-water ages, along with the concentrations of pesticides, nitrogen species, and other redox-active constituents, were used to evaluate the…”
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Critical Aquifer Overdraft Accelerates Degradation of Groundwater Quality in California's Central Valley During Drought by Levy, Zeno F., Jurgens, Bryant C., Burow, Karen R., Voss, Stefan A., Faulkner, Kirsten E., Arroyo‐Lopez, Jose A., Fram, Miranda S.

“…Drought‐induced pumpage has precipitated dramatic groundwater‐level declines in California's Central Valley over the past 30 yr, but the impacts of aquifer…”
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Factors affecting temporal variability of arsenic in groundwater used for drinking water supply in the United States by Ayotte, Joseph D., Belaval, Marcel, Olson, Scott A., Burow, Karen R., Flanagan, Sarah M., Hinkle, Stephen R., Lindsey, Bruce D.

“…The occurrence of arsenic in groundwater is a recognized environmental hazard with worldwide importance and much effort has been focused on surveying and…”
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Using Age Tracers and Decadal Sampling to Discern Trends in Nitrate, Arsenic, and Uranium in Groundwater Beneath Irrigated Cropland by Tesoriero, Anthony J, Burow, Karen R, Frans, Lonna M, Haynes, Jonathan V, Hobza, Christopher M, Lindsey, Bruce D, Solder, John E

“…Repeat sampling and age tracers were used to examine trends in nitrate, arsenic, and uranium concentrations in groundwater beneath irrigated cropland. Much…”
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Assessment of regional change in nitrate concentrations in groundwater in the Central Valley, California, USA, 1950s–2000s by Burow, Karen R, Jurgens, Bryant C, Belitz, Kenneth, Dubrovsky, Neil M

“…A regional assessment of multi-decadal changes in nitrate concentrations was done using historical data and a spatially stratified non-biased approach. Data…”
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Regional Nitrate and Pesticide Trends in Ground Water in the Eastern San Joaquin Valley, California by Burow, Karen R., Shelton, Jennifer L., Dubrovsky, Neil M.

“…Protection of ground water for present and future use requires monitoring and understanding of the mechanisms controlling long‐term quality of ground water. In…”
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Depth-dependent sampling to identify short-circuit pathways to public-supply wells in multiple aquifer settings in the United States by Landon, Matthew K, Jurgens, Bryant C, Katz, Brian G, Eberts, Sandra M, Burow, Karen R, Crandall, Christy A

“…Depth-dependent water-quality and borehole flow data were used to determine where and how contamination enters public-supply wells (PSWs) at study sites in…”
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Heat as a tracer to estimate dissolved organic carbon flux from a restored wetland by Burow, K.R, Constantz, J, Fujii, R

“…Heat was used as a natural tracer to characterize shallow ground water flow beneath a complex wetland system. Hydrogeologic data were combined with measured…”
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Anthropogenic and geologic causes of anomalously high uranium concentrations in groundwater used for drinking water supply in the southeastern San Joaquin Valley, CA by Rosen, Michael R., Burow, Karen R., Fram, Miranda S.

“…•Geologic and chemical factors control U > 100 µg/L in San Joaquin Valley groundwater.•U in sediments from streams draining glaciated watersheds of the Sierra…”
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