Biogeochemistry of Carbon and Nitrogen in Aquatic Environments
Publications Project Home
Smith, R.L., Bohlke, J.K., Repert , D.A. and Hart, C.P., 2009, Nitrification and Denitrification in a Midwestern Stream Containing High Nitrate: In Situ Assessment Using Tracers in Dome-Shaped Incubation Chambers. Biogeochemistry 96:189-208. doi 10.1007/s10533-009-9358-0. (On-line Abstract)
Harris, S. H., and Smith, R. L., 2009, In situ measurements of microbially-catalyzed nitrification and nitrate reduction rates in an ephemeral drainage channel receiving coalbed methane discharge, Powder River Basin, WY, USA: Chemical Geology 267:77-84. doi: 10.1016/j.chemgeo.2009.01.028. (On-Line Abstract)
Smith, R. L., Repert, D. A., and Hart, C. P., 2009, Geochemistry of inorganic nitrogen in waters released from coal-bed methane supply wells in the Powder River Basin, Wyoming: Environmental Science & Technology, 43, 2348-2354. doi: 10.1021/es802478p. (On-line Abstract)
Böhlke, J. K., Antweiler, R., Harvey, J. W., Laursen, A., Smith, L. K., Smith, R. L., and Voytek, M. A., (2009), Stream denitrification in agricultural watersheds measured at multiple scales at varying flow conditions and nitrate concentrations , upper Mississippi River basin, USA: Biogeochemistry, 93:117-141. doi: 10.1007/s10533-008-9282-8. (View on-line)
Miller, D. N., and Smith, R. L., 2009, Microbial characterization of nitrification in a shallow, nitrogen-contaminated aquifer, Cape Cod, Massachusetts and detection of a novel cluster associated with nitrifying Betaproteobacteria: Journal of Contaminant Hydrology, v. 103, p. 182-193. (On-line Abstract)
Smith, R. L., and Yoshinari, T., 2008, Occurrence and turnover of nitric oxide in a nitrogen-impacted sand and gravel aquifer: Environmental Science & Technology, v. 42, p. 8245-8251 (On-line abstract).
Harris, S. H., Smith, R. L., and Barker, C. E., 2008, Microbial and chemical factors influencing methane production in laboratory incubations of low-rank subsurface coals: International Journal Coal Geology, v. 76, p. 46-51. (On-line Abstract)
Sahl, J.W., Schmidt, R., Swanner, E.D., Mandernack, K.W., Templeton, A.S., Kieft, T.L., Smith, R.L., Sanford, W.E., Callaghan, R.L., Minton, J.B. and Spear, J.R., 2008, Subsurface microbial diversity in deep-granitic-fracture water in Colorado. Applied and Environmental Microbiology, v.74, no. 1, p. 143-152. doi:10.1128/AEM.01133-07. (On-line abstract)
Böhlke, J.K., Smith, R.L., and Hannon, J.E., 2007 Analysis of N and O isotopes in nitrite and nitrate by sequential selective bacterial reduction to N2O: Analytical Chemistry, v. 79, no. 15, p. 5888-5895. (on-line abstract or on-line article in pdf format, 149 KB, published by American Chemical Society; not subject to U.S. copyright)
Harris, S.H. ,Smith, R.L. and Suflita, J.M., 2007, In Situ Hydrogen consumption kinetics as an indicator of subsurface microbial activity: FEMS Microbiology Ecology, v.60, p. 220-228. doi 10.1111/j.1574-6941.2007.00286.x (on-line abstract)
Baeseman, J.L., Smith, R.L. and Silverstein, J., 2006, Denitrification Potential in Stream Sediments Impacted by Acid Mine Drainage: Effects of pH, Various Electron Donors, and Iron. Microbial Ecology, 51, p. 232-241. doi:10.1007/s00248-005-5155-z. (on-line abstract)
Bohlke. J.K., R.L. Smith and D.N. Miller, 2006,Ammonium transport and reaction in contaminated groundwater: Application of isotope tracers and isotope fractionation studies. Water Resources Research, 42, W05411, doi:10.1029/2005WR004349. (on-line abstract)
Repert, D.A., Barber, L.B., Hess, K.B., Keefe, S.H., Kent, D.B., LeBlanc, D.H. and Smith, R.L., 2006, Long-Term Natural Attenuation of Carbon and Nitrogen within a Groundwater Plume after Removal of the Treated Wastewater Source. Environmental Science and Technology, 40, p. 1154-1162. (on-line abstract)
Smith, R.L., Baumgartner, L.K., Miller, D.N., Repert, D.A. and Bohlke, J.K., 2006, Assessment of Nitrification Potential in Ground Water Using Short Term, Single-Well Injection Experiments. Microbial Ecology, 51, p. 22-35. doi:10.1007/s00248-004-0159-7. (on-line abstract)
Holloway, J.M. and Smith, R.L., 2005, Nitrogen and carbon flow from rock to water: regulation through soil biogeochemical processes, Mokelumne River watershed: California and Grand Valley, Colorado, Journal of Geophysical Research, 110, F01010, doi:10.1029/2004JF000124. (on-line abstract)
Smith, R.L., Buckwalter, S.P., Repert, D.A. and Miller, D.N., 2005. Small-scale, hydrogen-oxidizing-denitrifying bioreactor for treatment of nitrate-contaminated drinking water. Water Research, v.39, p.2014-2023. (on-line abstract)
Smith, R.L., Böhlke, J.K., Garabedian, S.P., Revesz, K.M. and Yoshinari, T., 2004, Assessing denitrification in groundwater using natural gradient tracer tests with 15N: In situ measurement of a sequential multistep reaction. Water Resources Research, v. 40, p.W07101, doi:10.1029/2003WR002919. (on-line abstract)
Hatzinger, P.B., Palmer, P., Smith, R.L., Penarrieta, C.T., and Yoshinari, T., 2003, Applicability of tetrazolium salts for the measurement of respiratory activity and viability of groundwater bacteria: Journal of Microbiological Methods, v. 52, p. 47-58. (on-line abstract)
Holloway,
J.M., and Dahlgren, R.A., 2002, Nitrogen in rock: Occurrences and biogeochemical
implications: Global Biogeochemical Cycles, v. 16, p.1-17. (on-line
abstract)
Killingstad, M.W., Widdowson, M.A., and Smith, R.L., 2002, Modeling enhanced in
situ denitrification in groundwater: Journal of Environmental Engineering, v.
128, no. 6, p. 491-504. (on-line
abstract)
Smith, R.L., Miller, D.N., Brooks, M.H., Widdowson, M.A. and Killingstad, M.W.,
2001, In situ stimulation of groundwater denitrification with formate to
remediate nitrate contamination: Environmental Science and Technology, v. 35, p.
196-203. (on-line
abstract)
Oremland, R.S., Dowdle, P.R., Hoeft, S., Sharp, J.O., Schaefer, J.K.,
Miller, L.G., Blum, J., Smith, R.L., Bloom, N.S., and Wallschlaeger, D., 2000,
Bacterial dissimilatory reduction of arsenate and sulfate in meromictic Mono
Lake, California: Geochimica et Cosmochimica Acta, v. 64, p. 3073-3084. (on-line
abstract)
Krueger, C.J., Radakovich, K.M., Sawyer, T.E., Barber, L.B., Smith, R.L., and
Field, J.A., 1998, Biodegradation of the surfactant linear alkylbenzenesulfone
in sewage-contaminated groundwater: A comparison of column experiments and field
tracer tests: Environmental Science and Technology, v. 32, p. 3954-3961. (on-line
abstract)
Smith, R.L., 1997 Determining the terminal electron-accepting reaction in the
saturated subsurface, in Hurst,C.J., Knudsen, G., McInerney, M.,
Stetzenbach, L.D., and Walter, M., eds., Manual of Environmental
Microbiology, ASTM Press: Washington D.C., p. 577-585.
Smith, R.L., and Garabedian, S.P., 1997, Using transport model interpretations
of tracer tests to study microbial processes in groundwater, in Koch, A.L.,
Robinson, J., and Milikar, G.A., eds., Mathematical Modeling in
Microbial Ecology: Chapman and Hall, Inc., New York, NY, p. 94-123
Hess, K.M., LeBlanc, D.R., Kent, D.B., and Smith, R.L., 1996 Natural resoration
of a sewage-contaminated aquifer, Cape Cod, Massachusetts: Hydrology and
Hydrogeology of Urban and Urbanizing Areas, Proceedings of the Conference,
Boston, MA, April 21-24, 1996, American Institute of Hydrology, Minneapolis, MN,
p. WQE13-WQE25.
Smith, R.L., Garabedian, S.P., and Brooks, M.H., 1996, Comparison of
denitrification activity measurements in ground water using cores and natural
gradient tracer tests: Environmental Science and Technology, v. 30, p.
3448-3456. (on-line
abstract)
Krumme, M.L., Smith, R.L., Thiem, S.M., Egestorff, J., Tiedje, J.M., Timmis, K.N.,
and Dwyer, D., 1994, Small-scale field tests and microcosms for prediciting
behavior of genetically modified bacteria in aquifers: Environmental Science and
Technology, v. 28, no. 6, p. 1134-1138.
Smith, R.L., Ceazan, M.L., and Brooks, M.H., 1994, Autotrophic,
hydrogen-oxidizing denitrifying bacteria in groundwater, potential agents for
bioremediation of nitrate contamination: Applied and Environmental Microbiology,
v. 60, no. 6, p. 1949-1955. (on-line
abstract)
Spaulding, S.A., McKnight, D.M., Smith, R.L., and Dufford, R., 1994,
Phytoplankton population dynamics in perennially ice-covered Lake Fryxell,
Antarctica: Journal of Plankton Research, v. 16, no. 5, p. 527-541. (on-line
abstract)
Thiem, S.M., Krumme, M.L., Smith, R.L., and Tiedje, J.M., 1994, Use of molecular
techniques to evaluate the survival of a microorganism injected into an aquifer:
Applied and Environmental Microbiology, v. 60, no. 4, p. 1059-1067. (on-line
abstract)
McKnight, D. M., Smith, R. L., Harnish, R. A., Miller, C. L., and Bencala, K.
E., 1993, Seasonal relationships between planktonic microorganisms and dissolved
organic material in an alpine stream: Biogeochemistry, v. 21, p. 39-59
Metge, D. W., Brooks, M. H., Smith, R. L., and Harvey, R. W., 1993, Effect of
treated sewage contamination upon bacterial energy charge, adenylates, and DNA
content in a sandy aquifer on Cape Cod: Applied and Environmental Microbiology,
v. 59, no. 7, p. 2304-2310.. (on-line
abstract)
Oremland, R.S., Miller, L. G., Culbertson, C. W., Robinson, S. W., Smith, R. L.,
Lovley, D. R., Whiticar, M. J., King, G. M., Kiene, R. P., Iversen, N., and
Sargent, M., 1993, Aspects of the biogeochemistry of methane in Mono Lake and
the Mono Basin of California, in Oremland, R.S., ed., Biogeochemistry of
Global Change, Radiatively Active Trace Gases:
New York, Chapman and Hall, p. 704-741.
Smith, R. L., Miller, L. G., and Howes, B. L., 1993, The geochemistry of methane in Lake Fryxell, and amictic, permanently ice-covered, antarctic lake: Biogeochemistry, v. 21, p. 95-115.
Brooks, M. H., Smith, R. L., and Macalady, D. L., 1992, Inhibition of existing denitrification enzyme activity by chloramphenicol: Applied and Environmental Microbiology, v. 58, p. 1746-1753.
Smith, R. L., Brooks, M. H., and Ceazan, M. L., 1992, The use of natural gradient tracer tests to identify and quantify microbial processes occurring in groundwater, in J. A. Stanford and J. J. Simon (eds.) Proceedings of the First International Conference on Ground Water Ecology: American Water Resources Association. p. 59-65.
McKnight, D. M., Aiken, G. R., and Smith, R. L., 1991, Aquatic fulvic acids in microbially-based ecosystems: Results from two antarctic desert lakes: Limnology and Oceanography, v. 36, p. 998-1006.
Smith, R.L., Harvey, R.W., and LeBlanc, D.R., 1991, Importance of close-interval vertical sampling in delineating chemical and microbiological gradients in groundwater studies: Journal of Contaminant Hydrology, v. 7, p. 285-300.
Smith, R.L., Howes, B.L., and Duff, J.H., 1991, Denitrification in nitrate-contaminated groundwater: Occurrence in steep vertical geochemical gradients. Geochimica et Cosmochimica Acta, v. 55, p. 1815-1826.
Smith, R.L., Howes, B.L., and Garabedian, S.P., 1991, In situ measurement of methane oxidation in groundwater using natural gradient tracer tests: Applied and Environmental Microbiology, v. 57, p. 1997-2004.
Howes, B.L., and Smith, R.L., 1990, Sulfur cycling in a permanently ice covered amictic antarctic lake, Lake Fryxell: Antarctic Journal of the U.S., v. 25, p. 230-233.
McKnight, D.M., Smith, R.L., Bradbury, J.P., Baron, J.J., and Spaulding, S., 1990, Phytoplankton dynamics in Rocky Mountain lakes, Colorado, U.S.A.: Arctic and Alpine Research, v. 22, p. 264-274.
Smith, R.L., and Howes, B.L., 1990, Bacterial biomass and heterotrophic activity in the water column of an amictic antarctic lake: Antarctic Journal of the U.S., v. 25, p. 233-235.
Ceazan, M.L., Thurman, E.M., and Smith, R.L., 1989, Cation exchange as a retardation mechanism in an ammonium and nitrate-contaminated sand and gravel aquifer: Environmental Science and Technology, v. 23, p. 1402-1408.
Harvey, R.W., George, L.H., Smith, R.L., and LeBlanc, D.R., 1989, Transport of microspheres and indigenous bacteria through a sandy aquifer: Results of natural and forced-gradient groundwater tracer experiments: Environmental Science and Technology, v, 23, p. 51-56.
McKnight, D.M., Aiken, G.R., Andrews, E.D., Bowles, E.C., and Smith, R.L., 1988, Dissolved organic material in desert lakes in the McMurdo Dry Valleys: Antarctic Journal of the U.S., v. 23, p. 152-153.
Smith, R.L., and Duff, J.H., 1988, Denitrification in contaminated groundwater: Applied and Environmental Microbiology, v. 54, p. 1071-1078.
Smith, R.L., and Klug, M.J., 1987, Flow-through flasks to study microbial metabolism in whole sediments: Applied and Environmental Microbiology, v. 53, p. 371-374.
Smith, R.L., and Oremland, R.S., 1987, Bacterial activities in the water column of Big Soda Lake. II. Sulfate reduction: Limnology and Oceanography, v. 32, p. 794-803.
Smith, R.L., Strohmaier, F.E., and Oremland, R.S., 1985, Isolation of anaerobic oxalate-degrading bacteria from freshwater lake sediments: Archives of Microbiology, v. 141, p. 8-13.
Harvey, R.W., Smith, R.L., and George, L., 1984, Effect of organic contaminants upon microbial distribution and heterotrophic uptake in a Cape Cod Massachusetts aquifer: Applied Environmental Microbiology, v. 48, p. 1197-1202.
Oremland, R.S., Umberger, C., Culbertson, C.W., and Smith, R.L., 1984, Denitrification in San Francisco Bay Intertidal Sediments: Applied and Environmental Microbiology, v. 47, p. 1106-1112.
Smith, R.L., and Oremland, R.S., 1983, Anaerobic oxalate degradation: Widespread natural occurrence in aquatic sediments: Applied and Environmental Microbiology, v. 46, p. 106-113.
Herrick, C.J., Goodman, E.D., Guthrie, C.A., Blythe, R.H., Hendrix, G.A., Smith, R.L., and Galloway, J.E., 1982, A model of mercury contamination in a woodland stream: Ecological Modeling, v. 15, p. 1-28.
Smith, R.L., and Klug, M.J., 1981, Reduction of sulfur compounds in the sediments of a eutrophic lake basin: Applied and Environmental Microbiology, v. 41, p. 1230-1237.
Smith, R.L., and Klug, M.J., 1981, Electron donors utilized by sulfate-reducing bacteria in eutrophic lake sediments: Applied and Environmental Microbiology, v. 42, p.116-121.
Savoie, J.G., Smith, R.L., Kent, D.B., Hess, K.M., LeBlanc, D.R. and Barber, L.B., 2006, Ground-water-quality data for a treated-wastewater plume undergoing natural restoration, Ashumet Valley, Cape Cod, Massachusetts, 1994-2004: U.S. Geological Survey Data Series 198, 1 CD-ROM. (on-line access)
Antweiler, R.C., Smith, R.L., Voytek, M.A. and Böhlke, J.K., 2005, Water quality Data from two Agricultural Drainage Basins in Northwesters Indiana and Northeastern Illinois: II. Diel Data, 1999-2002. USGS Open-File Report 2005-1053, 114 p. (on-line access)
Antweiler, R.C., Smith, R.L., Voytek, M.A., Böhlke, J.K. and Dupré, D.H., 2005, Water quality Data from two Agricultural Drainage Basins in Northwesters Indiana and Northeastern Illinois: I. Biweekly Data, 2000-2002. USGS Open-File Report 2005-1197, 66 p. (on-line access)
Antweiler, R.C., Smith, R.L., Voytek, M.A., Böhlke, J.K. and Richards, K.D., 2004, Water quality Data from two Agricultural Drainage Basins in Northwesters Indiana and Northeastern Illinois: I. Lagrangian and Synoptic Data, 1999-2002. USGS Open-File Report 2004-1317, 206 p. (on-line access)
Savoie, J.G., Kent, D.B., Smith, R.L., LeBlanc, D.R., and Hubble, D.W., 2004, Changes in ground-water quality near two granular-iron permeable reactive barriers in a sand and gravel aquifer, Cape Cod, Massachusetts, 1997-2000: U.S. Geological Survey Water-Resources Investigations Report 03-4309, 77 p.
McCobb, T.D., LeBlanc, D.R., Walter, D.A., Hess, K.M., Kent, D.B., Smith, R.L., 2003, Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999, U.S. Geological Survey Water-Resources Investigations Report 02-4306, 69 p. (on-line abstract or report in pdf format).
Bekins, B.A., Baehr, A.L., Cozzarelli, I.M., Essaid, H.I., Haack, S.K., Harvey, R.W., Smith, J.A., and Smith, R.L., 1999, Capabilities and challenges of natural attenuation in the subsurface: Lessons from the U.S. Geological Survey Toxics Subsurface Hydrology Program meeting, in Morganwalp, D.W., and Buxton, H.T., eds., Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018, p. 37-56. (on-line abstract) (PDF)
Böhlke, J.K., Smith, R.L., Coplen, T.B., Busenberg, E., and LeBlanc, D.R., 1999, Recharge conditions and flow velocities of contaminated and uncontaminated ground waters at Cape Cod, Massachusetts: Evaluation of delta-2H delta-180, and dissolved gases, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018, p. 337-348. (on-line abstract) (PDF)
LeBlanc, D.R., Hess, K.M., Kent, D.B., Smith, R.L., Barber, L.B., Stollenwerk,
K.G., and
Campo, K.W., 1999, Natural restoration of a sewage plume in a sand and gravel
aquifer, Cape Cod, Massachusetts, in Morganwalp, D.W., and Buxton, H.T.,
eds., U.S. Geological Survey Toxic Substances Hydrology Progam--Proceedings of
the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological
Survey Water-Resources Investigations Report 99-4018,
p. 245-260. (on-line
abstract) (PDF)
Miller, D.N., Smith, R.L., and Böhlke, J.K., 1999, Nitrification in a shallow, nitrogen-contaminated aquifer, Cape Cod, Massachusetts, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018,p. 329-336. (on-line abstract) (PDF)
Revesz, K., Böhlke, J.K., Smith, R.L., and Yoshinari, T., 1999, Stable isotope composition of dissolved O2 undergoing respiration in a ground-water contaminant gradient, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018, p. 323-328. (on-line abstract) (PDF)
Smith, R.L., Böhlke, J.K., Revesz, K., Yoshinari, T., Hatzinger, P.B., Penãrrieta, C.T., and Repert, D.A., 1999, In situ assessment of the transport and microbial consumption of oxygen in ground water, Cape Cod, Massachusetts, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018, p. 317-322. (on-line abstract) (PDF)
Smith, R.L., Kumler, B.A., Peacock, T.R., and Miller, D.N., 1999, Evolution of a ground water sewage plume after removal of the 60-year-long source, Cape Cod, Massachusetts: Inorganic nitrogen species, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxics Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, S.C., March 8-12, 1999: U.S. Geological Survey Water-Resources Investigations Report 99-4018, p. 285-292. (on-line abstract) (PDF)
Savoie, J.G., and LeBlanc, D.R., eds., 1998, Water-quality data and methods of analysis for samples
collected near a plume of sewage-contaminated ground water, Ashumet Valley, Cape Cod, Massachusetts,
1993-94: U.S. Geological Survey Water-Resources Investigations Report 97-4269, 208 p.
(on-line access)
Smith, R.L., 1998, Dissolved gases, nitrogen species, and sulfate. in Savorie, J., and LeBlanc, D.R., ed., Water-Quality Data and Methods of Analysis for Samples Collected near a Plume of Sewage - Contaminated Ground Water, Ashumet Valley, Cape Cod, Massachusetts, 1993-1994: US Geological Survey Water Resources Investigations Report 97-4269, p, 22.
Brooks, M. H., Smith, R. L., and Garbedian, S. P., 1996, Small-scale tracer tests applied to the measurement of in situ denitrification rates in a sewage contaminated aquifer, Cape Cod, MA, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water- Resources Investigations Report 94-4015, p. 243-248.
Reilly, T.E., LeBlanc, D.L., Bussey, K.W., Councell, T.B., Smith, R.L., and Böhlke, J.K., 1996, Chemical and stable-isotope data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts, 1994: U.S. Geological Survey Open-File Report 95-734, 21 p.
Walter, D.A., Rea, B.A., Stollenwerk, K.G., and Savoie,J., 1996, Geochemical and hydrologic controls on phosphorus transport in a sewage- contaminated sand and gravel aquifer near Ashumet Pond, Cape Cod, Massachusetts: U.S. Geological Survey Water-Supply Paper 2463, 89 p.
Brooks, M. H., Smith, R. L., and Garabedian, S. P., 1993, Small-scale tracer tests applied to the measurement of in situ denitrification rates in a sewage-contaminated aquifer, Cape Cod, Massachusetts, in G. E. Mallard, ed., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations 94-4015, p. 243-248.
Krumme, M.L., Smith, R.L.,and Dwyer, D.F., 1991, Survival of a model pollutant-degrading microorganism in a sand and gravel aquifer and in microcosms, in G.E. Mallard, ed., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations. 91-4034. pp 144-147.
Smith, R.L., and Ceazan, M.L., 1991, Isolation and characterization of autotrophic, hydrogen-oxidizing denitrifying bacteria from groundwater as potential agents for bioremediation of nitrate contamination, in G.E. Mallard, ed., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations. 91-4034. pp 123-127.
Smith, R.L., Howes, B.L., and Duff, J.H., 1991, The effect of denitrification on nitrogen geochemistry in a nitrate-contaminated sand and gravel aquifer, Cape Cod, Massachusetts, in G.E. Mallard, ed., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations, 91-4034, pp 128-134.
Brooks, M.H., and Smith, R.L., 1989, Total adenylate and adenylate energy charge measurements from bacterial communities in ground water, in G.E. Mallard and S.E. Ragone, ed., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Phoenix, Arizona, September 26-30, 1988: USGS Water-Resources Investigations Report 88-4220, pp. 541-545.
Smith, R.L., Howes, B.L., and Duff, J.H., 1989, The use of tracer tests to measure the transport and consumption of methane in a contaminated aquifer, in G.E. Mallard and S.E. Ragone, eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Phoenix, Arizona, Sept. 26-30, 1988: USGS Water-Resources Investigations Report 88-4220, pp. 167-175.
McKnight, D.M., Miller, C., Smith, R.L., Baron, J., and Spaulding, S., 1988, Phytoplankton populations in lakes in Loch Vale, Rocky Mountain National Park, Colorado: Sensitivity to acidic conditions and nitrate enrichment: U.S. Geological Survey Water-Resources Investigations Report, 88-4115.
McKnight, D. M., Brenner, M., Smith, R. L., and Baron, J., 1986, Seasonal changes in phytoplankton populations and related chemical and physical characteristics in lakes in Lock Vale, Rocky Mountain National Park, Colorado: U.S. Geological Survey Water-Resources Investigations Report 86-4101.
Baeseman, J.L., 2004, Denitrification in acid-impacted mountain stream sediments. PhD Dissertation, Department of Civil, Environmental, and Architectural Engineering, University of Colorado, 187 p.
Baumgartner, L.K., 2000, Short-term, single-injection experiments in a sand and gravel
aquifer: applicability for the measurement of nitrite production and consumption
rates in situ: MA Thesis, Department of Environmental, Population, and
Organismic Biology, University of Colorado, 96 p.
Wahlquist, A.M., 2000, The abundance and diversity of autohydrogenotrophic
denitrifying bacteria in four aquifers: MA Thesis, Department of Environmental,
Population, and Organismic Biology, University of Colorado, 73 p.
Penãrrieta, C., 1998, Assessment of microbial oxygen consumption in Cape Cod
aquifer using a natural gradient tracer test and core incubations, M.S. Thesis,
Dept. Civil, Environmental and Agricultural Engineering, University of Colorado,
124 p.
Brooks, M.H., 1991, Development and evaluation of a technique for measuring
denitrification enzyme activity in nitrate-contaminated ground water, MS Thesis,
Dept. Chemistry and Geochemistry, Colorado School of Mines, 94 p.
Ceazan, M.L., 1987, Migration and transformations of ammonium and nitrate in a sewage-contaminated aquifer at Cape Cod, Massachusetts, MS Thesis, Dept. Chemistry and Geochemistry, Colorado School of Mines, 145 p.
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