Stable isotopic study of precipitation and spring discharge in southern Nevada

Phase II Groundwater Flow Model of Corrective Action Unit 98: Frenchman Flat, Nevada Test Site, Nye County, Nevada, Rev. No.: 0

“…The perched water at Cane Spring appears to be slightly more evaporated than the other groundwaters shown in Figure 8-10, possibly because of evaporation in the collection pool from which it was sampled (Ingraham et al, 1991). If the δ 17,000 years ago is consistent with the interpretation from pack-rat midden data that the glacial maximum which occurred between 16,000 and 21,000 years ago brought relatively cold, dry arctic air to the region at this time (Forester et al, 1999).…”

Hydrologic resources management program. FY 1995 progress report

“…Mesa has an average 6'*0 value around -12.5%0 (Benson & Klieforth, 1989;Ingraham et al, 1991). Evaporation during groundwater infiltration will cause isotopic enrichment, yielding somewhat higher 6'*0 values.…”

Geochemical and Isotopic Constraints on Ground-Water Flow Directions, Mixing and Recharge at Yucca Mountain, Nevada

“…3 and 4) to vary between about -14 per mil in March and April and -3 per mil in August. The 6l80 of sprin s discharging from perched water was generally shifted from the average volume-weighted 6 0 of precipitation toward the values typical of winter precipitation (Ingraham et al 1991, Figs. 10 and 1 l), supportive of the concept that winter precipitation is preferentially recharged in arid regions.…”