Modeling

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  • A Guide for Using the Transient Ground-Water Flow Model of the Death Valley Regional Ground-Water Flow System, Nevada and California

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    A Guide for Using the Transient Ground-Water Flow Model of the Death Valley Regional Ground-Water Flow System, Nevada and California

    U.S. Geological Survey, U.S. Department of Energy Office of Environmental Management | November 4, 2006...
    Summary

    This report is a guide for executing numerical simulations with the transient ground-water flow model of the Death Valley regional ground-water flow system,...

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

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    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....

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  • A Simulation-Optimization Model for Water-Resources Management, Santa Barbara, California

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    A Simulation-Optimization Model for Water-Resources Management, Santa Barbara, California

    Journal of Water Resources Planning and Management, U.S. Geological Survey | September 1, 1998...
    Summary

    A simulation-optimization model has been developed for the optimal management of the city of Santa Barbara's water resources during a drought. The model,...

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  • A Water Resources Data Network Evaluation for Monterey County, California; Phase 1; South County

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    A Water Resources Data Network Evaluation for Monterey County, California; Phase 1; South County

    U..S. Geological Survey, Monterey County Flood Control and Water Conservation District | July 12, 1986...
    Summary

    An evaluation made of rainfall, surface water, groundwater, and water quality monitoring networks in Salinas River basin in southern Monterey County, California, proposed...

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

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    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...

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  • Accounting for California’s Water

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    Accounting for California’s Water

    Public Policy Institute of California (PPIC) | July 13, 2016...
    Summary

    Understanding California’s water balance sheet—how much there is, who has claims to it, and what is actually being “spent”—is key to effectively managing...

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  • An overview of multi-dimensional models of the Sacramento-San Joaquin Delta

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    An overview of multi-dimensional models of the Sacramento-San Joaquin Delta

    San Francisco Estuary and Watershed Science | December 1, 2016...
    Summary

    Over the past fifteen years, the development and application of models in San Francisco Bay and the Sacramento-San Joaquin Delta has transformed our...

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  • An Update of the Death Valley Regional Groundwater Flow System Transient Model, Nevada and California

    An Update of the Death Valley Regional Groundwater Flow System Transient Model, Nevada and California

    U.S. Geological Survey | October 31, 2016...
    Summary

    The U.S. Geological Survey (USGS) has revised the regional-scale Death Valley regional groundwater flow system (DVRFS) numerical model with new data and interpretations...

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  • Analysis of Potential Water-Supply Management Options, 2010-60, and Documentation of Revisions to the Model of the Irwin Basin Aquifer System, Fort Irwin National Training Center, California

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    Analysis of Potential Water-Supply Management Options, 2010-60, and Documentation of Revisions to the Model of the Irwin Basin Aquifer System, Fort Irwin National Training Center, California

    U.S. Geological Survey, Fort Irwin National Training Area | October 31, 2014...
    Summary

    The Fort Irwin National Training Center is considering several alternatives to manage their limited water-supply sources in the Irwin Basin. An existing three-dimensional,...

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  • Artes: An Integrated Model of Water Supply in L.A. County

    Artes: An Integrated Model of Water Supply in L.A. County

    UCLA: Sustainable LA Grand Challenge | May 1, 2017...
    Summary

    Los Angeles faces a future with less imported water. Infrastructure and institutions will have to adapt. Understanding emerging policy and investment needs requires analysis...

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  • California Water Supply And Demand: Technical Report

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    California Water Supply And Demand: Technical Report

    Stockholm Environment Institute | February 10, 2011...
    Summary

    The California Water Supply and Demand Model (CWSD) examines the ways in which California’s water supply and demand are likely to be affected...

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  • California’s Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California’s Central Valley

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    California’s Central Valley Groundwater Study: A Powerful New Tool to Assess Water Resources in California’s Central Valley

    U.S. Geological Survey (USGS) | June 16, 2009...
    Summary

    Competition for water resources is growing throughout California, particularly in the Central Valley. Since 1980, the Central Valley’s population has nearly doubled to...

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  • CalSim II Simulation of Historical SWP-CVP Operations Technical Memorandum Report

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    CalSim II Simulation of Historical SWP-CVP Operations Technical Memorandum Report

    California Department of Water Resources (DWR) | November 12, 2003...
    Summary

    CalSim is a generalized water resources planning tool developed jointly by the Department of Water Resources (DWR) and the US Bureau of Reclamation...

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  • CE2 Model: Evaluating the Costs and Benefits of Urban Water Conservation and Efficiency Measures

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    CE2 Model: Evaluating the Costs and Benefits of Urban Water Conservation and Efficiency Measures

    Pacific Institute | April 26, 2012...
    Summary

    Over the past 25 years, water conservation and efficiency improvements have provided real water savings, allowing many agencies to maintain or reduce water...

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  • Climate modeling 101: Explanations without equations

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    Climate modeling 101: Explanations without equations

    Springer Open | January 1, 2016...
    Summary

    Climate scientists tell us it's going to get hotter. How much it rains and where it rains is likely to shift. Sea level...

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  • Documentation of a Groundwater Flow Model (SJRRPGW) for the San Joaquin River Restoration Program Study Area, California

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    Documentation of a Groundwater Flow Model (SJRRPGW) for the San Joaquin River Restoration Program Study Area, California

    USGS | September 23, 2014...
    Summary

    To better understand the potential effects of restoration flows on existing drainage problems, anticipated as a result of the San Joaquin River Restoration...

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  • DRERIP Ecosystem Conceptual Model: Chemical stressors

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    DRERIP Ecosystem Conceptual Model: Chemical stressors

    California Department of Fish and Wildlife | February 5, 2008...
    Summary

    The Sacramento-San Joaquin Delta ecosystem comprises many different habitat types, and is home to a large number of species. Thousands of chemical contaminants...

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  • DRERIP Ecosystem Conceptual Model: Chinook Salmon & Steelhead

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    DRERIP Ecosystem Conceptual Model: Chinook Salmon & Steelhead

    Department of Fish and Wildlife | September 4, 2012...
    Summary

    This report constitutes the conceptual model for Chinook and steelhead for the Delta Regional Ecosystem Restoration Implementation Plan (DRERIP). The report describes conceptual...

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  • DRERIP Ecosystem Conceptual Model: Delta Aquatic Foodweb

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    DRERIP Ecosystem Conceptual Model: Delta Aquatic Foodweb

    California Department of Fish and Wildlife | October 3, 2008...
    Summary

    This model is a stylization of the actual food web dynamics of the Sacramento?San Joaquin Delta, which are highly dynamic. The region itself...

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  • DRERIP Ecosystem Conceptual Model: Delta smelt

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    DRERIP Ecosystem Conceptual Model: Delta smelt

    Department of Fish and Wildlife | October 22, 2010...
    Summary

    This Conceptual Model is part of a suite of conceptual models which collectively articulate the current scientific understanding of important aspects of the...

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