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INSITE: Revolutionizing How the Subsurface is Interrogated and Understood

  • Subsurface Challenges
  • Research
    • Fundamental Science and Advanced Field-Scale Sensing
    • Advanced Field Scale Sensing – Geophysical Monitoring Data/Model Integration for Predictive Simulation
    • Geophysical Monitoring Data/Model Integration for Predictive Simulation - Fundamental Science
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  3. INSITE: Revolutionizing How the Subsurface is Interrogated and Understood

Advanced Field Scale Sensing – Geophysical Monitoring Data/Model Integration for Predictive Simulation

Related Researchers

MTaubman

Matt Taubman

Physicist
Glenn Hammond

Glenn Hammond

Computational Geohydrologist
Tim C. Johnson is a computational scientist and expert in E4D subsurface imaging.

Tim C. Johnson

Computational Scientist

Intersection 2

PNNL is revolutionizing applied research capabilities at the field-scale for new data processing workflows that assimilate subsurface remote sensing data into modeling frameworks. The integration of remote-sensing, data-driven modeling, and autonomous updating of subsurface models enables simulators to estimate or “learn” the critical parameters that control subsurface behavior and improve predictions of subsurface processes. It also provides the comprehensive feedback mechanism necessary for unprecedented new capabilities in subsurface control and optimization. In doing so, PNNL will achieve a revolutionary level of autonomous, comprehensive, integrated subsurface model-data integration to supply enhanced subsurface understanding—to the benefit of every stakeholder with interest in the subsurface. This advancement is made possible by enabling remote subsurface sensing data to directly inform massively parallel predictive simulators.

Intersection 2 Highlight

Simulating current distribution of contamination, predicting future migration

BCCribs_animate4
(Image 1 of 2) 3D image of vadose zone contaminant plumes
beneath the Hanford Site BC-Cribs and Trenches
. (Pacific Northwest National Laboratory)

PNNL developed a new capability to ingest a massive time-lapse surface electrical resistivity tomography (ERT) data set collected over the Hanford BC-Cribs and Trenches site. This site holds the largest inventory of technetium-contaminated soil in the Department of Energy (DOE) complex. Conceptually, the ERT data remotely senses the downward migration of the contaminant plume through the vadose zone at two points in time separated by 15 years.

Next, a parallel multi-physics flow and transport simulator (PFLOTRAN) is used to directly assimilate the ERT data and estimate the soil parameters that govern contaminant migration. These soil parameters are required to accurately simulate the current distribution of contamination and to predict future contaminant migration under a given scenario (changes in precipitation rates due to climate change, remediation operations, etc.). It also provides the DOE Richland Operations Office and site contractors with an unprecedented capability to understand, predict, and manage contaminant flow to the water table, reducing the costs to mitigate uncertainty and enhancing protection of human health and the environment.

BCCribs_animate5
(Image 2 of 2) - 3D image of vadose zone contaminant plumes
beneath the Hanford Site BC-Cribs and Trenches. (Pacific Northwest National Laboratory)

Contacts

Dawn Wellman
Director, Earth Systems Science Division; Advisor, RemPlex
Dawn.Wellman@pnnl.gov
509-375-2017
Tim C. Johnson
Computational Scientist
tj@pnnl.gov
509-372-4715

Research topics

Subsurface Science
Subsurface Energy Systems
Earth & Coastal Sciences
Environmental Management
Environmental Remediation
Fossil Energy
Carbon Storage
Geothermal Energy
Renewable Energy
Nuclear Energy
Reactor Licensing
Fuel Cycle Research
Data Science & Computing
National Security
Nuclear Nonproliferation

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