Open-File Report 2006–1104
U.S. GEOLOGICAL SURVEY
Open-File Report 2006–1104
Prepared in cooperation with the U.S. Department of Energy Office of Environmental
Management, National Nuclear Security Administration, Nevada Site Office, under
Interagency Agreement DE-A152-01NV13944 and Office of Repository Development,
under Interagency Agreement DE-A108-02RW12167
By Joan B. Blainey, Claudia C. Faunt, and Mary C. Hill
Conversion Factors, Datums, and Abbreviations and Acronyms
Overview of Files Required for the DVRFS Model
Typical DVRFS MODFLOW-2000 Modes
Typical Uses of the DVRFS Model
Appendix A: File Archive Documentation
Figure 1. Geographic and prominent topographic features of the Death Valley regional ground-water flow system, Nevada and California.
Figure 2. Simulated discharge areas, major recharge areas, constant-head boundary flows, and steady-state stress period hydraulic head in the uppermost active model layer of the Death Valley regional ground-water flow system, Nevada and California.
Figure 3. Annual discharge from Bennetts and Manse springs in Pahrump Valley, Nevada, 1875–1998.
Table 1. MODFLOW-2000 packages and processes used in Death Valley regional ground-water flow system model, Nevada and California.
Table 2. Map coordinates for the ground-water flow model of the Death Valley regional ground-water flow system.
Table 3. Description of the parameter names in the sensitivity file and the associated packages and files.
Table 4. Sensitivity Process and associated factors for Constant-Head Boundary, Drain, Horizontal-Flow Barrier, and Recharge Packages.
Table 5. Select output files produced by MODFLOW-2000 by active processes.
Table 6. Plot symbol codes that identify the observation type in all “underscore” output files created during forward and parameter-sensitivity mode simulations.
Table 7. Modes of MODFLOW-2000 produced by activating different combinations of the Sensitivity and Parameter-Estimation Processes, and commonly used output when the Observation Process is active.
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Send questions or comments about this report to the author, J.B. Blainey, (520) 670-6671.
For more information about USGS activities in Nevada, visit the USGS Nevada Water Science Center home page.