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Title: Unsaturated water flow at the Hanford site: a review of literature and annotated bibliography

Technical Report ·
DOI:https://doi.org/10.2172/5602721· OSTI ID:5602721

As an initial part of a performance assessment task for the Hanford Waste Management Plan, we have reviewed research done over a number of years on unsaturated water flow at the Hanford site near Richland, Washington. This work will be helpful in assessing the probability that water infiltrating the ground surface may eventually contribute to ground-water recharge at the site. Reports done primarily by Atlantic Richfield Hanford, Rockwell Hanford Operations, and Pacific Northwest Laboratory were reviewed for their pertinence to unsaturated water flow and specifically for information that could help resolve the question of whether recharge of the unconfined aquifer by natural precipitation (meteoric water) is occurring on the Hanford site and, if so, what are the expected ranges of recharge. The reports that we reviewed are primarily technical reports detailing the physical and hydrologic characteristics of soils and sediments at specific locations on the Hanford site, or describing studies that have either monitored or simulated such parameters as surface evaporation, soil moisture storage, and deep drainage (recharge). The appendix of this report provides abstracts and annotations on 24 key technical reports on subjects related to estimation of recharge at Hanford. 66 refs.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
5602721
Report Number(s):
PNL-5428; ON: DE85013172
Country of Publication:
United States
Language:
English