Search Results - "Landon, M. K."

Probabilistic Categorical Groundwater Salinity Mapping From Airborne Electromagnetic Data Adjacent to California's Lost Hills and Belridge Oil Fields by Ball, L. B., Davis, T.  A., Minsley, B. J., Gillespie, J. M., Landon, M. K.

“…Growing water stress has led to emerging interest in protecting fresh and brackish groundwater as a potential supplement to water supplies and raised questions…”
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Source and transport controls on the movement of nitrate to public supply wells in selected principal aquifers of the United States by McMahon, P. B., Böhlke, J. K., Kauffman, L. J., Kipp, K. L., Landon, M. K., Crandall, C. A., Burow, K. R., Brown, C. J.

“…In 2003–2005, systematic studies in four contrasting hydrogeologic settings were undertaken to improve understanding of source and transport controls on…”
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Comparison of the stable-isotopic composition of soil water collected from suction lysimeters, wick samplers, and cores in a sandy unsaturated zone by Landon, M.K, Delin, G.N, Komor, S.C, Regan, C.P

“…Soil water collected from suction lysimeters and wick samplers buried in the unsaturated zone of a sand and gravel aquifer and extracted from soil cores were…”
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Origin of Methane and Sources of High Concentrations in Los Angeles Groundwater by Kulongoski, J. T., McMahon, P. B., Land, M., Wright, M. T., Johnson, T. A., Landon, M. K.

“…In 2014, samples from 37 monitoring wells at 17 locations, within or near oil fields, and one site >5 km from oil fields, in the Los Angeles Basin, California,…”
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Modeling the Potential Impact of Seasonal and Inactive Multi-Aquifer Wells on Contaminant Movement to Public Water-Supply Wells by Johnson, R.L., Clark, B.R., Landon, M.K., Kauffman, L.J., Eberts, S.M.

“…Wells screened across multiple aquifers can provide pathways for the movement of surprisingly large volumes of groundwater to confined aquifers used for public…”
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Comparison of Instream Methods for Measuring Hydraulic Conductivity in Sandy Streambeds by Landon, Matthew K., Rus, David L., Harvey, F. Edwin

“…Streambed hydraulic conductivity (K) values were determined at seven stream transects in the Platte River Basin in Nebraska using different instream…”
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Effects of surface run-off on the transport of agricultural chemicals to ground water in a sandplain setting by Delin, Geoffrey N, Landon, Matthew K

“…An experiment was conducted at a depressional (lowland) and an upland site in sandy soils to evaluate the effects of surface run-off on the transport of…”
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EFFECTS OF TOPOGRAPHY AND SOIL PROPERTIES ON RECHARGE AT TWO SITES IN AN AGRICULTURAL FIELD by Delin, Geoffrey N., Healy, Richard W., Landon, Matthew K., Böhlke, John Karl

“…Estimates of groundwater recharge were made at two sites within an agricultural field near Princeton, MN, that was cropped during the growing season in field…”
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Tracing enhanced oil recovery signatures in casing gases from the Lost Hills oil field using noble gases by Barry, P.H., Kulongoski, J.T., Landon, M.K., Tyne, R.L., Gillespie, J.M., Stephens, M.J., Hillegonds, D.J., Byrne, D.J., Ballentine, C.J.

“…Enhanced oil recovery (EOR) and hydraulic fracturing practices are commonly used methods to improve hydrocarbon extraction efficiency; however, the…”
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Effects of topography on the transport of agricultural chemicals to groundwater in a sand-plain setting by Delin, Geoffrey N, Landon, Matthew K

“…Geochemical data were collected to investigate the effects of topography and focused recharge on the transport of agricultural chemicals to groundwater through…”
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Relation of Pathways and Transit Times of Recharge Water to Nitrate Concentrations Using Stable Isotopes by Landon, Matthew K., Delin, Geoffrey N., Komor, Stephen C., Regan, Charles P.

“…Oxygen and hydrogen stable isotope values of precipitation, irrigation water, soil water, and ground water were used with soil‐moisture contents and water…”
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Denitrification in the recharge area and discharge area of a transient agricultural nitrate plume in a glacial outwash sand aquifer, Minnesota by Böhlke, J. K., Wanty, R., Tuttle, M., Delin, G., Landon, M.

“…Recharge rates of nitrate (NO3−) to groundwater beneath agricultural land commonly are greater than discharge rates of NO3− in nearby streams, but local…”
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Low-Level Detections of Halogenated Volatile Organic Compounds in Groundwater: Use in Vulnerability Assessments by Plummer, L. Niel, Busenberg, Eurybiades, Eberts, Sandra M, Bexfield, Laura M, Brown, Craig J, Fahlquist, Lynne S, Katz, Brian G, Landon, Matthew K

“…Concentrations of halogenated volatile organic compounds (VOCs) were determined by gas chromatography (GC) with an electron-capture detector (GC-ECD) and by…”
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Gianotti-Crosti syndrome–like reaction in skin of color: An underreported sequela of molluscum contagiosum by Hobbs, Landon K., Rajabi-Estarabadi, Ali, Anagnostis, Sophia, Nousari, Carlos H., Cohen, Carlos

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Modeling the Potential Impact of Seasonal and Inactive Multi‐Aquifer Wells on Contaminant Movement to Public Water‐Supply Wells1 by Johnson, R.L., Clark, B.R., Landon, M.K., Kauffman, L.J., Eberts, S.M.

“…Johnson, R.L., B.R. Clark, M.K. Landon, L.J. Kauffman, and S.M. Eberts, 2011. Modeling the Potential Impact of Seasonal and Inactive Multi‐Aquifer Wells on…”
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