Subsurface Monitoring News

  • Raptor Speed & Data Quality Impresses

    ImpulseRadar, in conjunction with a local survey company recently conducted Raptor surveys in Los Angeles, California, as part of a US infrastructure project to evaluate railroad crossings at key intersections. GPR is a proven non-destructive method for the evaluation of roads and other paved surfaces, because of its ability to detect subsurface defects and measure construction layer ...


    By ImpulseRadar

  • Computerized Cognition Test Provides Better Assessment than Observation

    Research published in the Journal of Alzheimer’s Disease this week suggests healthy older adults are less capable of observing their own cognitive decline over an 18 month period than Cogstate’s computerized brief battery (CBB). The study, conducted by neuropsychologists, also indicated that close family members were unable to perceive decline in the cognitive behavior of their ...


    By IOS Press

  • ASTM E2767 - 11 Standard Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE) for X-ray Computed Tomography (CT) Test Methods

    Personnel that are responsible for the creation, transfer, and storage of X-ray tomographic NDE data will use this standard. This practice defines a set of information modules that along with Practice E2339 and the DICOM standard provide a standard means to organize X-ray tomography test parameters and results. The X-ray CT test results may be displayed and analyzed on any device that ...


    By ASTM International

  • Webinar: Linked surface and subsurface modeling

    Surface flood modeling within urbanized areas has traditionally been performed using 1-D modeling techniques, i.e. HECRAS modeling for FIRM preparations. The recent implementation of 2D surface flow modeling has allowed urbanized areas to be modeled more accurately, but lack the subsurface drainage infrastructure interface. This presentation focuses on the current modeling practice of combining ...


    By Innovyze

  • Solinst symposium a forum for learning and sharing

    The 2011 Solinst Symposium proved to be another great forum for attendees and presenters to share their experiences and discuss ongoing work and research. The event ran from October 27 to 28 at the Solinst Georgetown facility, and centered on "Enhanced Monitoring and Remedial Methods for Contaminated Groundwater". This year's speakers came from Universities across Canada and the United States, ...


    By Solinst Canada Ltd.

  • New TGS 3D Project in Liberia

    ASKER, NORWAY (26 January, 2010) - TGS has commenced acquisition of the next phase of 3D projects offshore Liberia. ...


    By Thomson Reuters

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