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Surface Water–Groundwater Connection at the Los Alamos Canyon Weir Site

Part 1. Monitoring Site Installation and Tracer Tests

^a Energy and Environmental Engineering Division, Apogen Technologies, Inc., 1350 Central Avenue, 3rd Floor, Los Alamos, NM 87544
^b Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131
^c WATER, 1090 Ranchero Rd., Bosque Farms, NM 87068

View larger version (41K): [in a new window]   Fig. 1. Location of the Los Alamos National Laboratory and the Los Alamos Canyon weir site.

View larger version (103K): [in a new window]   Fig. 2. Photograph of the Los Alamos Canyon weir site during borehole drilling in April 2001.

View larger version (52K): [in a new window]   Fig. 3. Conceptual model of subsurface geology and hydrogeology, orientation of LAWS boreholes, and sampling port and perched water locations in LAWS-01.

View larger version (100K): [in a new window]   Fig. 4. Photograph of "scalloped" PVC casing installed in LAWS-02.

View larger version (132K): [in a new window]   Fig. 5. Photograph of the Los Alamos Canyon weir monitoring site.

View larger version (30K): [in a new window]   Fig. 6. Time series of elevations of water levels in four ports at LAWS-01.

View larger version (34K): [in a new window]   Fig. 7. Time series of resistance measurements at LAWS-02.

View larger version (33K): [in a new window]   Fig. 8. Time series of bromide and iodide concentrations at LAWS-01.