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Uranium and technetium bio-immobilization in intermediate-scale physical models of an in situ bio-barrier

Creator:

Michalsen, Mandy M.

Abstract:

Metal and hydrogen ion acidity and extreme nitrate concentrations typical of Department of Energy (DOE) legacy waste sites pose formidable challenges to successful implementation of in situ bio-immobilization. Intermediate-scale (~ 2.5 m), flow through models of an in situ bio-barrier were constructed to investigate U and Tc removal from groundwater...

Resource Type:

Dissertation

Full Text:

contaminated site in Oak Ridge, TN. In one study, ethanol additions to pH-neutral contaminated site
The effects of land use on stream nitrate concentrations : from the catchment scale to the regional scale

Creator:

Poor, Cara J.

Abstract:

This work furthers the understanding of processes occurring in catchments that affect stream nitrate concentrations using two different approaches: a temporally intensive case study of three headwater catchments with varying land use (through storm event monitoring) and a spatially intensive study on the regional scale (through statistical modeling) of 1st-4th...

Resource Type:

Dissertation

Full Text:

FIGURES Figure Page 2.1 Oak Creek Watershed and study catchments