Estimates of ground-water recharge rates for two small basins in central Nevada

Lichty, Robert W.; McKinley, P.W.

doi:10.2172/123628

Cited by 12 publications

(13 citation statements)

References 8 publications

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“…Results of the modeling approaches support the conclusion that reasonable estimates of average annual recharge to groundwater range from about 1 to 3 cm/yr for 3-Springs Basin and from about 30 to 32 cm/yr for East Stewart Basin (Lichty and McKinley, 1995).…”

Section: Unsaturated-zone Flow and Transport Analogues Yucca Mountainsupporting

confidence: 55%

Analogues to features and processes of a high-level radioactive waste repository proposed for Yucca Mountain, Nevada

Simmons¹,

Stuckless²

2010

Professional Paper

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Section: Unsaturated-zone Flow and Transport Analogues Yucca Mountainsupporting

confidence: 55%

Analogues to features and processes of a high-level radioactive waste repository proposed for Yucca Mountain, Nevada

Simmons¹,

Stuckless²

2010

Professional Paper

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“…Flint et al (2000) provide a brief overview of the approaches used to estimate regional recharge in the Death Valley Region of the Mojave Desert, an arid area of the United States, encompassing Yucca Mountain. These approaches include water balance (Winograd and Thodarson, 1975), rainfall distribution (Hevesi and Flint, 1998), chloridemass-balance (Lichty and McKinley, 1995), and applied soil-physics techniques (Winograd, 1981;and Nichols, 1987). Flint et al (2000) developed a detailed numerical model to simulate infiltration at Yucca Mountain using components of the mass-balance equation for near surface infiltration.…”

Section: Infiltration and Recharge Evaluationmentioning

confidence: 99%

Feature Detection, Characterization and Confirmation Methodology: Final Report

Karasaki¹,

Apps²,

Doughty³

et al. 2007

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Executive SummaryThis is the final report of the NUMO-LBNL collaborative project: Feature Detection, Characterization and Confirmation Methodology under NUMO-DOE/LBNL collaboration agreement, the task description of which can be found in the Appendix.We examine site characterization projects from several sites in the world. The list includes Yucca Mountain in the USA, Tono and Horonobe in Japan, AECL in Canada, sites in Sweden, and Olkiluoto in Finland. We identify important geologic features and parameters common to most (or all) sites to provide useful information for future repository siting activity. At first glance, one could question whether there was any commonality among the sites, which are in different rock types at different locations. For example, the planned Yucca Mountain site is a dry repository in unsaturated tuff, whereas the Swedish sites are situated in saturated granite. However, the study concludes that indeed there are a number of important common features and parameters among all the sites-namely, (1) fault properties, (2) fracture-matrix interaction (3) groundwater flux, (4) boundary conditions, and (5) the permeability and porosity of the materials.We list the lessons learned from the Yucca Mountain Project and other site characterization programs. Most programs have by and large been quite successful. Nonetheless, there are definitely "should-haves" and "could-haves," or lessons to be learned, in all these programs. Although each site characterization program has some unique aspects, we believe that these crosscutting lessons can be very useful for future site investigations to be conducted in Japan. One of the most common lessons learned is that a repository program should allow for flexibility, in both schedule and approach.We examine field investigation technologies used to collect site characterization data in the field. An extensive list of existing field technologies is presented, with some discussion on usage and limitations. Many of the technologies on the list were in fact used during the characterization of Yucca Mountain and elsewhere by LBNL personnel. The study also includes emerging technologies and identifies the need to develop better estimation of important parameters for repository siting. Notable emerging technologies include 3-D seismic and satellite-based remote sensing and wireless micro electro mechanical systems (MEMS) sensors. They enable cost-effective and ubiquitous monitoring to be applied for site characterization.We list and classify the types of uncertainties involved in site characterization. Uncertainties can exist in all aspects of site characterization: data, interpretation, conceptualization, and modeling. We use the Swedish program to exemplify such uncertainties. We also devote a chapter on geochemical issues regarding the interaction between groundwater and natural and engineered barrier materials. A recommendation has been made to take advantage of the recent advancement in geochemical modeling capabilities in natural systems. Although it is not o...

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“…The spatially averaged net-infiltration rates for the nine climate scenarios were compared against estimates of recharge obtained using independent studies at various locations in the southern Basin and Range Province as a method of model comparison (Maxey and Eakin, 1950;Winograd, 1981;Lichty and McKinley, 1995;Harrill and Prudic, 1998;Dettinger, 1989). Although this method of model comparison is useful as a qualitative assessment of model results, it cannot be used to quantify levels of confidence or model uncertainty (due in part to the unknown accuracy of the independent results).…”

Section: Graphs Of Water-potentiajmeasurements Near Borehoje Us W Uznmentioning

confidence: 99%

“…40-41) and Lichty and McKinley (1995 , Table 15) . The qualitative comparison with the independent methods is based on the estimated average precipitation rate corresponding to a given recharge or net-infiltration estimate.…”

Section: Model Validation and Comparison With Alternative Estimates Omentioning

confidence: 99%

“…GS000308311221.005) at Yucca Mountain (upper bound, lower bound, and mean for three climates) with an estimate of the average Holocene recharge rate for the saturated zone at Yucca Mountain [CRWMS M&O,2OOOc] and with estimates of recharge in the southern Great Basin obtained using alternative methods (Maxey and Eakin, 1950;Lichty and McKinley, 1995;Winograd, 1981). (Attachment 11 Estimation results for modern climate scenarios over the 123 .7-km2 area of Table 6 each location.…”

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confidence: 99%

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Simulation of Net Infiltration for Modern and Potential Future Climates

Heveal¹

2000

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Estimates of ground-water recharge rates for two small basins in central Nevada

Cited by 12 publications

References 8 publications

Analogues to features and processes of a high-level radioactive waste repository proposed for Yucca Mountain, Nevada

Analogues to features and processes of a high-level radioactive waste repository proposed for Yucca Mountain, Nevada

Feature Detection, Characterization and Confirmation Methodology: Final Report

Simulation of Net Infiltration for Modern and Potential Future Climates

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