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Title: Use of large-scale transient stresses and a coupled adjoint-sensitivity/kriging approach to calibrate a groundwater-flow model at the WIPP (Waste Isolation Pilot Plant) site

Abstract

A coupled adjoint-sensitivity/kriging approach was used to calibrate a groundwater-flow model to 10 years of human-induced transient hydraulic stresses at the WIPP site in New Mexico, USA. Transmissivity data obtained from local-scale hydraulic tests were first kriged to define an initial transmissivity distribution. Steady-state model calibration was then performed employing adjoint-sensitivity techniques to identify regions where transmissivity changes would improve the model fit to the observed steady-state heads. Subsequent transient calibration to large-scale hydraulic stresses created by shaft construction and long-term pumping tests aided in the identification of smaller scale features not detected during steady-state calibration. This transient calibration resulted in a much more reliable and defendable model for use in performance-assessment calculations. 7 refs., 6 figs.

Authors:
 [1];  [2]
  1. Sandia National Labs., Albuquerque, NM (USA)
  2. INTERA, Inc., Albuquerque, NM (USA)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
DOE/DP
OSTI Identifier:
7067621
Report Number(s):
SAND-89-2373C; CONF-9005117-4
ON: DE90009307
DOE Contract Number:  
AC04-76DP00789
Resource Type:
Conference
Resource Relation:
Conference: GEOVAL 90, Stockholm (Sweden), 14-17 May 1990
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; FLOW MODELS; CALIBRATION; GROUND WATER; ALPHA-BEARING WASTES; DOLOMITE; FLOW STRESS; FLUID FLOW; HYDRAULICS; KRIGING; LOW-LEVEL RADIOACTIVE WASTES; STEADY-STATE CONDITIONS; UNDERGROUND DISPOSAL; WIPP; ALKALINE EARTH METAL COMPOUNDS; CALCIUM CARBONATES; CALCIUM COMPOUNDS; CARBON COMPOUNDS; CARBONATE MINERALS; CARBONATES; FLUID MECHANICS; FUNCTIONAL MODELS; HYDROGEN COMPOUNDS; MAGNESIUM CARBONATES; MAGNESIUM COMPOUNDS; MANAGEMENT; MATERIALS; MATHEMATICAL MODELS; MATHEMATICS; MECHANICS; MINERALS; NATIONAL ORGANIZATIONS; NUCLEAR FACILITIES; OXYGEN COMPOUNDS; PILOT PLANTS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTE FACILITIES; RADIOACTIVE WASTES; STATISTICS; STRESSES; UNDERGROUND FACILITIES; US DOE; US ORGANIZATIONS; WASTE DISPOSAL; WASTE MANAGEMENT; WASTES; WATER; 540330* - Environment, Aquatic- Radioactive Materials Monitoring & Transport- (1990-); 052002 - Nuclear Fuels- Waste Disposal & Storage

Citation Formats

Beauheim, R L, and LaVenue, A M. Use of large-scale transient stresses and a coupled adjoint-sensitivity/kriging approach to calibrate a groundwater-flow model at the WIPP (Waste Isolation Pilot Plant) site. United States: N. p., 1990. Web.
Beauheim, R L, & LaVenue, A M. Use of large-scale transient stresses and a coupled adjoint-sensitivity/kriging approach to calibrate a groundwater-flow model at the WIPP (Waste Isolation Pilot Plant) site. United States.
Beauheim, R L, and LaVenue, A M. 1990. "Use of large-scale transient stresses and a coupled adjoint-sensitivity/kriging approach to calibrate a groundwater-flow model at the WIPP (Waste Isolation Pilot Plant) site". United States. https://www.osti.gov/servlets/purl/7067621.
@article{osti_7067621,
title = {Use of large-scale transient stresses and a coupled adjoint-sensitivity/kriging approach to calibrate a groundwater-flow model at the WIPP (Waste Isolation Pilot Plant) site},
author = {Beauheim, R L and LaVenue, A M},
abstractNote = {A coupled adjoint-sensitivity/kriging approach was used to calibrate a groundwater-flow model to 10 years of human-induced transient hydraulic stresses at the WIPP site in New Mexico, USA. Transmissivity data obtained from local-scale hydraulic tests were first kriged to define an initial transmissivity distribution. Steady-state model calibration was then performed employing adjoint-sensitivity techniques to identify regions where transmissivity changes would improve the model fit to the observed steady-state heads. Subsequent transient calibration to large-scale hydraulic stresses created by shaft construction and long-term pumping tests aided in the identification of smaller scale features not detected during steady-state calibration. This transient calibration resulted in a much more reliable and defendable model for use in performance-assessment calculations. 7 refs., 6 figs.},
doi = {},
url = {https://www.osti.gov/biblio/7067621}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1990},
month = {Mon Jan 01 00:00:00 EST 1990}
}

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