Non Point Pollution Sources

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  • A Bayesian approach to infer nitrogen loading rates from crop and land-use types surrounding private wells in the Central Valley, California

    A Bayesian approach to infer nitrogen loading rates from crop and land-use types surrounding private wells in the Central Valley, California

    European Geosciences Union | May 7, 2018...
    Summary

    This study is focused on nitrogen loading from a wide variety of crop and land-use types in the Central Valley, California, USA, an intensively farmed...

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  • Addressing Nitrate in California’s Drinking Water Technical Report 1: Project and Technical Report Outline

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  • Addressing Nitrate in California’s Drinking Water Technical Report 2: Nitrogen Sources and Loading to Groundwater

    Addressing Nitrate in California’s Drinking Water Technical Report 2: Nitrogen Sources and Loading to Groundwater

    University of California, Davis (UC Davis) | July 2, 2012...
    Summary

    Nitrate loading to groundwater in the Tulare Lake Basin and Salinas Valley is widespread and chronic, and is overwhelmingly the result of crop and...

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  • Addressing Nitrate in California’s Drinking Water Technical Report 3: Nitrogen Source Reduction to Protect Groundwater Quality

    Addressing Nitrate in California’s Drinking Water Technical Report 3: Nitrogen Source Reduction to Protect Groundwater Quality

    University of California, Davis (UC Davis) | July 2, 2012...
    Summary

    Although reduction of anthropogenic loading of nitrate to groundwater aquifers will not reduce contamination in the short term (due to long travel times), reduction...

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  • Addressing Nitrate in California’s Drinking Water Technical Report 4: Groundwater Nitrate Occurrence

    Addressing Nitrate in California’s Drinking Water Technical Report 4: Groundwater Nitrate Occurrence

    University of California, Davis (UC Davis) | July 2, 2012...
    Summary

    This report reviews the hydrogeology and groundwater quality in the Tulare Lake Basin (TLB) and Salinas Valley (SV). We also assembled groundwater quality data...

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  • Agrichemicals in surface water and birth defects in the United States

    Agrichemicals in surface water and birth defects in the United States

    Acta Paediatrica (Wiley) | March 6, 2009...
    Summary

    Objectives: To investigate if live births conceived in months when surface water agrichemicals are highest are at greater risk for birth defects. Methods:...

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  • An Introduction to High-Frequency Nutrient and Biogeochemical Monitoring for the Sacramento– San Joaquin Delta, Northern California

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    An Introduction to High-Frequency Nutrient and Biogeochemical Monitoring for the Sacramento– San Joaquin Delta, Northern California

    U.S. Geological Survey (USGS), Delta Regional Monitoring Program | July 11, 2017...
    Summary

    This report is the first in a series of three reports that provide information about high-frequency (HF) nutrient and biogeochemical monitoring in the...

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  • Approaches for groundwater management in times of depletion and regulatory change

    Approaches for groundwater management in times of depletion and regulatory change

    University of California, Davis (UC Davis) | June 1, 2018...
    Summary

    New legislation and related regulations in California mandate groundwater management to avoid undesirable results from excessive groundwater pumping and other human activities. Required...

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  • Bayesian nitrate source apportionment to individual groundwater wells in the Central Valley by use of elemental and isotopic tracers

    Bayesian nitrate source apportionment to individual groundwater wells in the Central Valley by use of elemental and isotopic tracers

    American Geophysical Union (AGU) | July 31, 2016...
    Summary

    Groundwater quality is a concern in alluvial aquifers that underlie agricultural areas, such as in the San Joaquin Valley of California. Shallow domestic wells...

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  • California regulation of agricultural runoff

    California regulation of agricultural runoff

    American Bar Association (ABA) | November 1, 2017...
    Summary

    Agriculture in California is a multibillion dollar industry that produces more than half of the nation’s fruits, nuts, and vegetables. But this comes...

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