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Gas-Phase Partitioning Tracer Test Method for Water Content Measurement

Evaluating Efficacy for a Range of Porous-Medium Textures

Soil, Water and Environmental Science Dep., Mark L. Brusseau, Hydrology and Water Resources Dep., 429 Shantz Building, #38, The Univ. of Arizona, Tucson, AZ 85721

View larger version (22K): [in a new window]   Fig. 1. Representative breakthrough curves for tracer tests; granusil 70 to 100 at water contents of 0.069 and 0.126.

View larger version (14K): [in a new window]   Fig. 2. Breakthrough curves for difluoromethane transport in Hayhook soil at water contents of 0.015 and 0.136.

View larger version (30K): [in a new window]   Fig. 3. Tracer-test derived volumetric water content vs. gravimetric-derived volumetric water content for all porous media.