U.S. Geological Survey (USGS)

Search Results

Browse All Documents

  • Type

  • Topic

  • Keywords

  • Publication Year

  • Hydrologic Region

  • Reset
  • Index By

  • A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA

    $0.00

    A hybrid machine learning model to predict and visualize nitrate concentration throughout the Central Valley aquifer, California, USA

    Science of the Total Environment | June 9, 2017...
    Summary

    Intense demand forwater in the Central Valley of California and related increases in groundwater nitrate concentration threaten the sustainability of the groundwater resource....

    View Document

    Become a member to access this feature

    Download Now
  • A study of methods to estimate debris flow velocity

    A study of methods to estimate debris flow velocity

    Landslides, Springer | September 16, 2019...
    Summary

    Debris flow velocities are commonly back-calculated from superelevation events which require subjective estimates of radii of curvature of bends in the debris flow...

    View Document

    Become a member to access this feature

    Download Now
  • A Water Resources Data Network Evaluation for Monterey County, California; Phase 3, Northern Salinas River Drainage Basin

    $0.00

    A Water Resources Data Network Evaluation for Monterey County, California; Phase 3, Northern Salinas River Drainage Basin

    U.S. Geological Survey, Monterey County Flood Control and Water Conservation District | December 13, 1990...
    Summary

    Continuing data collection and analysis are vital to efficient development and management of water resources. To insure that water managers have adequate information...

    View Document

    Become a member to access this feature

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

    $0.00

    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...

    View Document

    Become a member to access this feature

    Download Now
  • Analysis and simulation of regional subsidence accompanying groundwater abstraction and compaction of susceptible aquifer systems in the USA

    Analysis and simulation of regional subsidence accompanying groundwater abstraction and compaction of susceptible aquifer systems in the USA

    Boletín de la Sociedad Geológica Mexicana | January 17, 2013...
    Summary

     Regional aquifer-system compaction and land subsidence accompanying groundwater abstraction in susceptible aquifer systems in the USA is a challenge for managing groundwater resources...

    View Document

    Become a member to access this feature

    Download Now
  • Application of synthetic scenarios to address water resource concerns: A management-guided case study from the Upper Colorado River Basin

    Application of synthetic scenarios to address water resource concerns: A management-guided case study from the Upper Colorado River Basin

    Climate Services, Elsevier B.V. | December 9, 2017...
    Summary

    Water managers are increasingly interested in better understanding and planning for projected resource impacts from climate change. In this management-guided study, we use a...

    View Document

    Become a member to access this feature

    Download Now
  • Bathymetry and Digital Elevation Models of Coyote Creek and Alviso Slough, South San Francisco Bay, California

    $0.00

    Bathymetry and Digital Elevation Models of Coyote Creek and Alviso Slough, South San Francisco Bay, California

    U.S. Geological Survey (USGS) | March 15, 2018...
    Summary

    In 2010 the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center completed three cruises to map the bathymetry of the main...

    View Document

    Become a member to access this feature

    Download Now
  • Designing a High-Frequency Nutrient and Biogeochemical Monitoring Network for the Sacramento–San Joaquin Delta, Northern California

    $0.00

    Designing a High-Frequency Nutrient and Biogeochemical Monitoring Network 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 third in a series of three reports that provide information about how high-frequency (HF) nutrient monitoring may be used...

    View Document

    Become a member to access this feature

    Download Now
  • Geohydrological Characterization, Water-Chemistry, and Ground-Water Flow Simulation Model of the Sonoma Valley Area, Sonoma County, California

    $0.00

    Geohydrological Characterization, Water-Chemistry, and Ground-Water Flow Simulation Model of the Sonoma Valley Area, Sonoma County, California

    U.S. Geological Survey, Sonoma County Water Agency | December 14, 2006...
    Summary

    Sonoma County is in the northern part of the greater San Francisco Bay region, an area of Northern California that has experienced rapid...

    View Document

    Become a member to access this feature

    Download Now
  • Geohydrology of Recharge and Seawater Intrusion in the Pajaro Valley, Santa Cruz and Monterey Counties, California

    $0.00

    Geohydrology of Recharge and Seawater Intrusion in the Pajaro Valley, Santa Cruz and Monterey Counties, California

    U.S. Geological Survey (USGS), Pajaro Valley Water Management Agency | August 14, 2003...
    Summary

    The U.S. Geological Survey (USGS) in cooperation with the Pajaro Valley Water Management Agency (PVWMA), has completed the collection and analyses of geologic,...

    View Document

    Become a member to access this feature

    Download Now