Article: Nitrate-N movement in a fine-textured vadose zone.

Article: In Situ Bioremediation of Nitrate and Perchlorate in ...
Water Environment Research;  December 1, 2006 ;     700+ words ...ABSTRACT: When present in the vadose zone, potentially toxic nitrate and perchlorate ... hydrogen or ethyl acetate, into the vadose zone, to stimulate biodegradation of nitrate ... nitrate and perchlorate reduction in vadose zone soil and that moisture content was an ...

Article: Denitrification capacity in the vadose zone at ...
Australian Journal of Soil Research;  March 1, 2007 ;     700+ words ... ... transformations of [NO.sub.3]-N in the vadose zone is limited (Onsoy et al. 2005). The vertical extent of the vadose zone, i.e. the unsaturated zone between ... Denitrification occurring in the lower vadose zone may decrease the [NO.sub.3 ...

Transcript: UNDER SECRETARY FOR ENERGY MONIZ UNVEILS NEW VADOSE ...
Regulatory Intelligence Data;  August 8, 2000 ;     537 words ... ... Energy (DOE) sites across the country. Vadose Zone: Science and Technology Solutions ... well as challenges and strategies for vadose zone characterization, modeling, remediation ... Energy Department sites is located in the vadose zone, it was imperative that we find out ...

Article: The search for the best vadose zone ...
National Driller;  November 1, 2008 ;     700+ words ... ... best of any of the grouts in the vadose zone. 4. High-solids bentonite slurries performed the worst in the vadose zone. 5. High-solids bentonite slurries ... mentioned earlier, the last of these vadose zone grout wells were installed in early ...

Article: Simulation of Effects on Ground Water from Small-Volume Releases ...
Soil & Sediment Contamination;  January 1, 2004 ;     507 words ... ... fuel oxygenate ethanol-EtOH) in the vadose zone. Mass fluxes (loading rates) and ... significantly affected by biodegradation in the vadose zone. In coarse-grained soils (e.g ... development of anaerobic conditions in the vadose zone. Travel limes to ground water can be ...

Article: Mineralisation of low concentrations of organic compounds and ...
Australian Journal of Soil Research;  November 1, 1998 ;     700+ words ... ... other organic contaminants in the vadose zone and protection of groundwater resource ... contaminants would occur in soils in the vadose zone above groundwaters. The behaviour of a substance in the soils of the vadose zone has been shown to differ markedly ...

Article: Vadose Zone Journal. (On the ...
Journal of Soil and Water Conservation;  November 1, 2002 ;     502 words ...* New electronic journal dedicated to vadose zone research has been launched at www.vadosezonejournal.org. Through December 2002, you have access to the free-trial Vadose Zone Journal, giving peer-reviewed research of the area between ...