Search Results - "Larson, Steven J"

The behaviour of 39 pesticides in surface waters as a function of scale by Capel, Paul D., Larson, Steven J., Winterstein, Thomas A.

“…A portion of applied pesticides runs off agricultural fields and is transported through surface waters. In this study, the behaviour of 39 pesticides is…”
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Effect of Scale on the Behavior of Atrazine in Surface Waters by Capel, Paul D, Larson, Steven J

“…Field runoff is an important transport mechanism by which agricultural pesticides, including atrazine, move into the hydrologic environment. Atrazine is chosen…”
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Testing water quality for pesticide pollution by GILLIOM, R. J, BARBASH, J. E, KOLPIN, D. W, LARSON, S. J

“…A U.S. Geological Survey study reveals widespread contamination of the nation's water resources. Robert J. Gilliom, Jack E. Barbash, Dana W. Kolpin, and Steven…”
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REGRESSION MODELS FOR ESTIMATING HERBICIDE CONCENTRATIONS IN U.S. STREAMS FROM WATERSHED CHARACTERISTICS by Larson, Steven J., Gilliom, Robert J.

“…Regression models were developed to estimate the concentration distributions and time-weighted annual mean concentrations of alachlor, atrazine, cyanazine,…”
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Relations between pesticide use and riverine flux in the Mississippi River basin by Larson, Steven J., Capel, Paul D., Goolsby, Donald A., Zaugg, Steven D., Sandstrom, Mark W.

“…In an intensive subcontinental study of pesticides in surface waters of the United States, concentrations of 26 high-use pesticides were measured at nine sites…”
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Occurrence and Behavior of the Herbicide Prometon in the Hydrologic System by Capel, Paul D, Spexet, AnnMarie H, Larson, Steven J

“…Prometon, a triazine herbicide, is used for total vegetation control on industrial sites, on noncrop areas on farms, in and under asphalt, and to a small…”
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Analysis and Detection of the New Corn Herbicide Acetochlor in River Water and Rain by Capel, Paul D., Ma, Lin, Schroyer, Blaine R., Larson, Steven J., Gilchrist, Therese A.

“…Chromatographic and spectral properties and the first observations in river water and rain are presented for acetochlor, a herbicide registered for use on corn…”
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Comparison of pesticides in eight U.S. urban streams by Hoffman, Ryan S., Capel, Paul D., Larson, Steven J.

“…Little is known of the occurrence of pesticides in urban streams compared to streams draining agricultural areas. Water samples from eight urban streams from…”
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REGRESSION MODELS FOR ESTIMATING HERBICIDE CONCENTRATIONS IN U.S. STREAMS FROM WATERSHED CHARACTERISTICS 1 by Larson, Steven J., Gilliom, Robert J.

“…Regression models were developed for estimating stream concentrations of the herbicides alachlor, atrazine, cyanazine, metolachior, and trilluralin from…”
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REGRESSION MODELS FOR ESTIMATING HERBICIDE CONCENTRATIONS IN U.S. STREAMS FROM WATERSHED CHARACTERISTICS1 by Larson, Steven J., Gilliom, Robert J.

“…Regression models were developed for estimating stream concentrations of the herbicides alachlor, atrazine, cyanazine, metolachior, and trilluralin from…”
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What temples stood for: Constantine, Eusebius, and Roman imperial practice by Larson, Steven J

“…This dissertation is an examination of the Emperor Constantine's religious building program as presented in the writings of Bishop Eusebius of Caesarea. I seek…”
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The behaviour of 39 pesticides in surface waters as a function of scale: Special Issue: Water Quality of Large U.S. Rivers: Results from the U.S. Geological Survey's National Stream Quality Accounting Network by CAPEL, Paul D, LARSON, Steven J, WINTERSTEIN, Thomas A

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Peer Reviewed: Testing Water Quality for Pesticide Pollution by GILLIOM, Robert J., BARBASH, Jack E., KOLPIN, Dana W., LARSON, Steven J.

“…U.S. GeologicalSurvey investigations reveal widespread contamination of the nation's water resources…”
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A chemodynamic approach for estimating losses of target organic chemicals from water during sample holding time by Capel, Paul D., Larson, Steven J.

“…Minimizing the loss of target organic chemicals from environmental water samples between the time of sample collection and isolation is important to the…”
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Peer Reviewed: Testing Water Quality for Pesticide Pollution: U.S. GeologicalSurvey investigations reveal widespread contamination of the nation's water resources by Gilliom, Robert J, Barbash, Jack E, Kolpin, Dana W, Larson, Steven J

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