model subsurface water News

  • Impacts of groundwater on local rainfall under a changing climate

    Climate change is expected to bring hotter conditions to many important agricultural regions. This will affect rates of evaporation from the ground and may also have an impact on local rainfall patterns. A recent study suggests that the depth of groundwater may determine the susceptibility of a region to drought following changes in temperature and rainfall. Understanding the transfer of water ...

  • State-of-groundwater-modeling papers published by NGWA advisory panel

    Each written to improve groundwater modeling and its application to professionals, five white papers recently produced by the NGWA Groundwater Modeling Advisory Panel have been approved by the NGWA Board of Directors and are now posted on the Association’s website. The papers are: Applications of Groundwater Modeling for ...

  • Boles Publishes Article on Watershed Modeling with Tile Drains

    LimnoTech’s Chelsie Boles has authored an article titled “Tile Drainage Simulation in SWAT2012: Parameterization and Evaluation in an Indiana Watershed” in the journal Transactions of the ASABE (published by the American Society of Agricultural and Biological Engineers). The article reviews and tests the newest method available for ...


    By LimnoTech Inc.

  • Future of water and hydrogeologic investigations focal points of 2018 McEllhiney lectures

    Looking at the disparity between water data and how water sources are developed is one of the topics being offered to selected hosts during the 2018 William A. McEllhiney Distinguished Lecture Series in Water Well Technology. A second presentation deals with how collecting high-density electrical data allowing for new advancements in hydrogeology illustrates that significant changes to ...

  • 2008 Groundwater Summit brings top scientists and industry leaders to Memphis

    The National Ground Water Association's 2008 Ground Water Summit taking place March 30-April 3 in Memphis, Tennessee, features 20 sessions covering the latest in ground water science, technology, and ground water policy. This fourth annual Ground Water Summit brings together local, national, and international science partners to exchange information on scientific, policy, and regulatory issues ...

  • Modeling underground sequestration of carbon dioxide

    When it comes to predicting the fate of captured carbon dioxide (CO2) stored underground, 2008 Henry Darcy Distinguished Lecturer Michael Celia, Ph.D., and his colleagues have invented a better mousetrap for decision-makers trying to mitigate the effects of CO2 emissions into the atmosphere. Celia wrapped up his year as the National Ground Water Research and Educational's Foundation Darcy ...

  • EarthSoft Announces Many New Interfaces

    EarthSoft announced today many new interfaces for EQuIS Professional to multiple 3rd party software. FEFLOW, Risk3T, and other product integrations are now available for EQuIS. Other interfaces are also now available for LeapFrog Hydro, AutoCAD, ProUCL, SADA, MiniTab, Geochemist's WorkBench, Sanitas, AGS, R-Project, PetraSIM, and other software. EarthSoft also announced interfaces to several US ...


    By EarthSoft, Inc

  • EarthSoft Announces Many New Interfaces

    EarthSoft announced today many new interfaces for EQuIS Professional to multiple 3rd party software. FEFLOW, Risk3T, and other product integrations are now available for EQuIS. Other interfaces are also now available for LeapFrog Hydro, AutoCAD, ProUCL, SADA, MiniTab, Geochemist's WorkBench, Sanitas, AGS, R-Project, PetraSIM, and other software. EarthSoft also announced interfaces to several US ...


    By EarthSoft, Inc

  • The Effect of Wind Stress Anomalies and Location in Driving Pacific Subtropical Cells and Tropical Climate

    The importance of subtropical and extratropical zonal wind stress anomalies on Pacific Subtropical Cells (STCs) strength is assessed through several idealized and realistic numerical experiments with a global ocean model. Different zonal wind stress anomalies are employed, and their intensity is strengthened or weakened with respect to the climatological value throughout a suite of simulations. ...

  • How vulnerable is our groundwater?

    When water travels through soil and bedrock to the water table, it carries minerals, nutrients or chemicals from the surface with it. Environmental research is increasingly concerned with preferential flow, or the movement of water through pores and cracks at a faster rate and bypassing most of the surrounding material, either soil or fractured rock. A special section on preferential flow ...

  • Screening soil moisture conditions reveals an increased risk of drought in a Swedish drainage basin

    The risk of drought in the Norrström drainage basin, Sweden, increased during the 20th century, a new study has found. As the frequency of the dry periods increased, less water was available in the landscape for agriculture and for the resupply of groundwater — despite an increase in precipitation in the area over the same period. The researchers reached this conclusion after screening ...

  • Ocean salinities show an intensified water cycle

    The stronger water cycle means arid regions have become drier and high rainfall regions wetter as atmospheric temperature increases. The study, co-authored by CSIRO scientists Paul Durack and Dr Susan Wijffels, shows the surface ocean beneath rainfall-dominated regions has freshened, whereas ocean regions dominated by evaporation are saltier. The paper also confirms that surface warming of the ...

  • Sequestration on shaky ground

    Original story at MIT News Carbon sequestration promises to address greenhouse-gas emissions by capturing carbon dioxide from the atmosphere and injecting it deep below the Earth’s surface, where it would permanently solidify into rock. The U.S. Environmental Protection Agency estimates that current ...

  • New tool could aid safe underground storage of CO2, says MIT

    To prevent global warming, researchers and policymakers are exploring a variety of options to significantly cut the amount of carbon dioxide that reaches the atmosphere. One possible approach involves capturing greenhouse gases such as carbon dioxide at the source -- an electric power plant, for example -- and then injecting them underground. While theoretically promising, the technique has never ...

  • Solving history’s ‘largest mass poisoning’

    Researchers in MIT’s Department of Civil and Environmental Engineering believe they have pinpointed a pathway by which arsenic may be contaminating the drinking water in Bangladesh, a phenomenon that has puzzled scientists, world health agencies and the Bangladeshi government for nearly 30 years. The research suggests that human alteration to the landscape, the construction of villages with ...

  • ASTM E2856 - 11 Standard Guide for Estimation of LNAPL Transmissivity

    LNAPL transmissivity is an accurate metric for understanding LNAPL recovery, is directly proportional to LNAPL recoverability and tracking remediation progress towards residual LNAPL saturation. LNAPL transmissivity can be used to estimate the rate of recovery for a given drawdown from various technologies. LNAPL transmissivity is not an ...


    By ASTM International

  • ASTM E2856 - 11e1 Standard Guide for Estimation of LNAPL Transmissivity

    Application LNAPL transmissivity is an accurate metric for understanding LNAPL recovery, is directly proportional to LNAPL recoverability and tracking remediation progress towards residual LNAPL saturation. LNAPL transmissivity can be used to estimate the rate of recovery for a given drawdown from various technologies. LNAPL transmissivity is not an ...


    By ASTM International

  • Locus Scores in Green Quadrant of Environmental Management Software Report

    Locus Technologies (Locus), the industry leader in Cloud-computing enterprise software for environmental, energy, air, water, and compliance management, has been recognized as one of 12 leading environmental management software suppliers globally in the report "Green Quadrant® Environmental Management Software, 2012." This report by Verdantix, an independent analyst firm who provide data, ...


    By Locus Technologies

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