Publications

Refereed journal publications (student’s names italicized)

  • Ghahremaninezhad, R., Gong, W., Gali, M., Norman, A.L., Beagley, S.R., Akingunola, A., Zheng, Q., Lupu, A., Lizotte, M., Levasseur, M., Leaitch, W.R. (2019) Dimethl sulfide and its role in aerosol formation and growth in the Arctic summer – a modelling study.  Atmospheric Chemistry and Physics, accepted 27 May 2019, manuscript acp-2019-470.
  • Abbatt, J., Leaitch, R., Aliabadi, A.A., Bertram, A., Blanchet, J.-P., Boivin-Rioux, A., Bozem, H., Burkart, J., Chang, R., Chaubey, J.P., Christensen, R.J., Cirisan, A., Collins, D.B., Croft, B., Biionee, J., Evans, G., Fletcher, C., Ghahremaninezhad, R., Girard, E., Gong, W., Gosselin, M., Gourdal, M., Hannah, S.J., Hayashida, H., Herber, A.B., Hesaraki, S., Hoor, P., Huang, L., Hussherr, R., Irish, V., Kieta, S.A., Kodros, J.K., Kollner, F., Kolonjari, F., Kunkel, D., Ladino, L.A., Law, K., Levasseur, M., Libois, Q., Liggio, J., Lizotte, M., Macdonald, K.M., Mahmood, R., Martin, R.V., Mason, R.H., Miller, L.A., Moravek, A., Mortensen, E., Mungall, E., Murphy, K., Namazi, M., Norman, A.L., O'Neill, N., Pierce, J.R., Russel, L.M., Schneider, J., Schutz, H., Sharma, S., Si, M., Staebler, R.M., Steiner, N.S., Gali, M., Thomas, J.L., von Salzen, K., Wentzell, J.B., Willis, M.D., Wentworth, G.R., Xu, J.W., Yakobi-Hancock, J.D. (2019) New insights into aerosols and climate in the Arctic. Atmospheric Chemistry and Physics, 19, 2527-2560. 
  • Mahmood, R., von Salzen, K., Norman, A.L., Gali, M., Levasseur, M. (2019) Sensitivity of Arctic sulfate aerosol and clouds to changes in future surface seawater dimethylsulfide concentraitons. Atmospheric Chemistry and Physics,,19, 7775-7797. 
  • Amiri, N., Ghahremaninezhadgharalar, R., Rempillo, O., Tokarek, T.W., Odame-Ankrah, C.A., Osthoff, H., Norman, A.L., Stable sulfur isotope measurements to trace the fate of SO2 in the Athabasca oil sands region. Atmospheric Chemistry and Physics, 18, 7757-7780, January 2018, doi.org/10.5194/acp-18-7757-2018
  • Ghahremaninezhad, R., Norman, A.L., Croft, B., Martin, R.V., Pierce, J.R., Rempillo, O., Willis, M., Bozem, H., Kunkel, D., Thomas, J.L., Aliabadi, A.A., Wentworth, G.R., Levasseur, M., Staebler, R.M., Sharma, S., Leaitch, W.R. (2017).  Boundary layer and free tropospheric dimethyl sulfide in the Arctic spring and summer.  Atmospheric Chemistry and Physics, 17 (14), 8757-8770.
  • Cristiciello, A., Marshall, S., Evans, M., Kinnard, C., Norman, A.L., Sharp, M. (2016) Marine aerosol source regions to Prince of Wales Icefield, Ellesmere Island, and influence from the tropical Pacific, 1979-2001.  Journal of Geophysical Research Atmospheres, 121 (16), 9492-9507. August 2016. DOI: 10.1002/2015JD024457.
  • Pak, N., Rempillo, O., Norman, A.L., Layzell, D., (2016) Early atmospheric detection of CO2 from carbon capture and storage sites. Journal of Air and Waste Management Association, 66 (8), 739-747. April 2016. UAWM-2015-0186 
  • Ghahremaninezhadgharelar, R. Norman, A.L., Levasseur, M., Abbatt, J., Thomas, J. (2016) Biogenic, anthropogenic and sea salt in size-segregated aerosols in the Arctic summer. Atmospheric Chemistry and Physics, April 2016. doi:10.5194/acp-16-5191-2016. (10)
  • Wasiuta, V., Norman, A.L., Lafreniere, M., Hastings, M. (2015) Background atmospheric sulfate deposition at a remote alpine site in the southern Canadian Rocky Mountains. Journal of Geophysical Research, 120 (21), 11,352-11,367.
  • Wasiuta, V., Lafreniere, M., Norman, A.L., Hastings, M. (2014) Summer deposition of sulphate and reactive nitrogen to 2 alpine valleys in the Rocky Mountains. Atmospheric Environment, 101, 270-285.
  • Wasiuta, V., Lafreniere, M., Norman, A.L. (2015) Atmospheric nitrogen and sulphur deposition in the Southern Canadian Rocky Mountains. Journal of Hydrology, 523, 563-573.
  • Seguin, M.A., Rempillo, O., Norman, A.L., and Barrie, L. (2014) Evidence of sea ice source in aerosol sulphate loading and size distribution in the Canadian high Arctic from isotopic analysis. Journal of Geophysical Research Atmospheres 119 (2), 1087-1096.
  • Huang, L., Chivalescu, A., Ernst, D., Zhang, W., Norman, A.L., Lee, Y.S. (2013) Maintaining consistent traceability in high-precision isotope measurements of CO2: a way to verify atmospheric trends of d13C and d18O. Atmospheric Measurement Techniques 6, 1685-1705.
  • Leaitch, W.R., Sharma, S., Huang, L., Toom-Sauntry, D., Chivalescu, A., Macdonald, A.M., von Salzen, K., Pierce, J.R., Bertram, A.K., Shantz, N.C., Chang, R.Y.W., Norman, A.L. (2013) Dimethyl sulfide control of the clean summertime Arctic aerosol and cloud. Elementa; Science of the Anthropocene, 1, doi.10.12952/journal.elementa.000017. DG
  • Sharma, S., Chan, E., Ishizawa, M., Toom-Sauntry, D., Gong, S.L., Li, S.M., Leaitch, R., Norman, A.L., Quinn, P.K., Bates, T.S., Levasseur, M., Barrie, L.A. (2012) Influence of transport and ocean ice extent on biogenic aerosol sulfur in the Arctic atmosphere. Journal of Geophysical Research 117 doi:10.1029/2011JD017074.
  • Rempillo, O., Seguin, A.M., Norman, A.L., Scarratt, M., Michaud, S., Chang, R., Sjostdet, S., Abbatt, J., Else, P., Papakyriakou, T., Sharma, S., Grasby, S. (2012) Dimethylsulfide air-sea fluxes and biogenic sulfur as a source of new aerosols in the Arctic fall. Journal of Geophysical Research 116 doi: 10.1029/2011JD016336.
  • Seguin, A.M., Norman, A.L.,, Eaton, S.J., Wadleigh, M.A. (2011) Seasonality in size segregated biogenic, anthropogenic and sea salt aerosols over the North Atlantic, Atmospheric Environment, 45 (D11), 6947-6954.
  • Seguin, A. M., Norman, A.L. Eaton, S.J., Wadleigh, M.A., Sharma, S. (2010) Elevated biogenic sulphur dioxide concentrations over the North Atlantic. Atmospheric Environment, 44 (9), 1139-1144.
  • Norman, A.L., Caldwell, E., Chandrasekaran, C., Eustace, J., Farrelly, K.,Firla, H., Hunt, R., Jevne, A., Li, S., Matic, J.,Milner, A., Morrice, B., Nicoud, M., Sappier, D., Tarnoczi,T., White, K., Staniaszek, P. (2010) Do models get it right? Tracking sulfur deposition in complex terrain: Comparing CALPUFF outputs to measurements.  ACE 2010, AWMA 2010A-1071 12 pgs.
  • Christensen, C.R., Staniaszek, P., and Norman, A.L. (2009) Difficulties in creating air dispersion models for accidental release in the event of nuclear power plant failure 2009A-142-AWMA 9 pgs.
  • Holden, W.N., and A.L. Norman (2009) Public response to a student study of the feasibility of nuclear power: Distrust of science in a postmodern world. The International Journal of Science in Society. 1, 22 pgs.
  • Rock, L., Ellert, B., Mayer, B., Norman, A.L. (2007) Isotopic constraints on tropospheric and soil N2O from various depths of five agricultural treatments with contrasting crops and nitrogen amendments. Journal of Geophysical  Research, D112, D18303 doi:10.1029/2006JD008330
  • Clark, I.D., Henderson, L., Chappellaz, J., Fisher, D., Koerner, R., Worthy, D.E.J., Norman, A.L., Barnola, J.-M. (2007) CO2 isotopes as tracers of firn air diffusion and age in an Arctic ice cap with summer melting, Devon Island, Canada. Journal of Geophysical Research. D112, doi:10.1029/2006JD007471
  • Wasiuta, V., Norman, A.L., and Marshall, S. (2006) Spatial patterns and seasonal variation of snowpack sulphate isotopes of the Prince of Wales Icefield, Ellesmere Island, Journal of Glaciology, 43, 390-396.
  • Sanusi, A., Norman, A.L., Burridge, C., Wadleigh, M.A., and Tang, W. (2006) Determination of the isotope composition of methanesulphonic acid. Analytical Chemistry 78, 4964-4968.
  • Norman, A.L., Anlauf, K., Hayden, K., Thomson, B., Brook., J., Li, S.-M., Bottenheim, J. (2006) Aerosol sulphate and its oxidation on the Pacific NW coast: S and O isotopes in PM2.5 from Pacific 2001. Atmospheric Environment 40, 2676-2689.
  • Peng, H., Mayer, B., Norman, A.L., and Krouse, H.R. (2005) Modeling of hydrogen and oxygen isotope ratios for local precipitation. Tellus 57B 257-282.
  • Norman, A.L., Belzer, W., Barrie, L. Insights into the biogenic contribution to total sulphate in aerosol and precipitation in the Fraser Valley afforded by isotopes of sulphur and oxygen. (2004) Journal of Geophysical Research D. 109, D05311, doi:10.1029/2002JD003072.
  • Sharma, S., Vingarzen, R., Barrie, L.A., Norman, A.L, Sirois, A., Henry, M., DiCenzo, C. (2003) Production of dimethylsulphide and its impact on the atmospheric sulfur budget on the Canadian West Coast. Journal of Geophysical Research D. 108 (D15), 4459.
  • Norman, A.L., Giesemann, A., Krouse, H.R. and Jäger. H.J. (2002) Sulphur isotope fractionation during sulphur mineralisation: results of an incubation-extraction experiment with two Black Forest soils. Soil Biology and Biogeochemistry 34, 1425-1438
  • Czapiewski, K.V., Czuba, E., Huang, L., Ernst, D., Norman, A.L., Koppmann, R., and Rudolph, J. (2002) Isotopic composition of non-methane hydrocarbons in emissions from biomass burning.  Journal of Atmospheric Chemistry 43, 45-60.
  • Rudolph, J., Czuba, E., Norman, A.L., Huang, L., and Ernst, D. (2002) Stable carbon isotope composition of nonmethane hydrocarbons in emissions from transportation related sources and atmospheric observations in an urban atmosphere.  Atmospheric Environment 36, 1173-1181.
  • Norman, A.L., Barrie, L.A., Toom-Sauntry, D., Sirois, A., Krouse, H.R., Li, S.M., and Sharma, S. (1999) Sources of aerosol sulphate at Alert: Apportionment using stable isotopes.  Journal of Geophysical Research 104 (D9), 11,619.
  • Norman, A.L., Hopper, J.F., Blanchard, P., Ernst, D., Brice, K., Alexandrou, N. and Klouda, G. (1999) The stable isotope compostion of atmospheric PAHs.  Atmospheric Environment 33, 2807- 2814.
  • Giesemann, A., Jäger, H-J., Norman, A.L., Krouse, H.R. and Brand, W.A. (1994) Online sulphur- isotope analysis using an elemental analyzer coupled to a mass spectrometer.  Analytical Chemistry, 66, 2816-2819.

Book chapters and contributions

  • Norman, A.L., and Rudolf, J. (2010) Isotope Ratio Measurements: Atmospheric Gases, In: Chapter 12, Elemental and Isotope Ratio Mass Spectrometry, Beauchemin, D. and Matthews, D.E. (eds.), Encyclopedia of Mass Spectrometry, Gross, M.L., and Caprioli, R.M. (eds.) Volume 5, 2010, 881-897.
  • Norman, A.L., and ENSC Class of 2006-2007, Staniaszek, P., Tracking cumulative effects from sulfur deposition in the foothills of southern Alberta: An isotope approach. In: Environmental Forensics: Proceedings of the 2009 International Network of Environmental Forensics Conference. R.D. Morrison and G. O'Sullivan (eds.) ISBN: 978-1-84755-258-7 (submitted).
  • Xie, J., Norman, A.L., Henley, S. and Wieser, M. (2009) Sulphur and boron isotope variations to track air pollutant deposition in the Castle River of Southern Alberta, Canada. In: Environmental Forensics: Proceedings of the 2009 International Network of Environmental Forensics Conference. R.D. Morrison and G. O'Sullivan (eds.) ISBN: 978-1-84755-258-7, 176-188.
  • Norman, A.L., M.A. Wadleigh, S. Eaton, C. Burridge, C. Zaganescu, J.P. Blanchette, M. Scarratt, S. Michaud, M. Levasseur, A. Merzouk, M. Lizotte, S. Sharma, R. Leaitch (2007) Dimethylsulphide (DMS) flux and DMS oxidation over the North Atlantic: Comparison of a top- down & bottom-up approach. Borrego, C. and Renner, E. (eds), Air Pollution Modeling and Its Application XVIII. Elsevier publications, 661-675.
  • Borrego, C. and Norman, A.L., (editors) (2007) Air Pollution Modeling and Its Application XVII, Kluwer Academic/Plenum Publishers, New York, 2005, 744 pgs.
  • Norman, A.L., and Wadleigh, M.A., (2007) Dimethylsulphide (DMS) and its oxidation to sulphur dioxide downwind during SERIES: A model for DMS flux over the Pacific Ocean. In: Air Pollution Modeling and Its Application XVII, Kluwer Academic, New York, 237-244.
  • Norman, A.L., Isotope characterisation of gaseous pollutants (2006) In:Closing Resource Cycles: Options for Gas Treatment, P. Lens, C. Kennes, P. Le Cloirec, M. Dehusses  (eds), IWA Publishing, 107, November 2006, 107-116.
  • Norman, A.L., Krouse, H.R., and MacLeod, J.  (2004) Aerosol sulphate in Calgary, Alberta: An isotope study of atmospheric sulphur. In: Air Pollution Modeling and Its Application XVI. C. Borrego and S. Incecik (eds.) Klower Academic/Plenum Publishers. New York. 2004. 107-125.

Other refereed publications and reports

  • Kolodziej, J., Norman, A.L., Rempillo, O., (2014) No evidence for S isotope fractionation during SO2 oxidation at a continental location. JURA4, 26-35.
  • Sharma, S., Chan, E., Leaitch, R., Toom-Sauntry, D., Chan, D., Barrie, L, Norman, A.L..,  Agnew, T. (2009) Is melting of Arctic Ocean increasing biogenic sulfur in the Arctic - trends in methanesulfonic acid? Special Issue Geochmica et Cosmochimica Acta, 75, A1204.
  • Huang, L., Higuchi, K., Shashkov, A., Norman, A.L..,  Ernst, D., Chivalescu, A., Worthy, D. (2003) Regional impact of terrestrial ecosystem on global carbon cycle: indicated by isotopic measurements of atmospheric CO2 at a boreal forest (Fraserdale, Ontario). Canadian Baseline Program Report, Environment Canada, 6 pgs.
  • Norman, A.L., and the ENSC 502 Class of 2000-2001 (2002) Air quality downwind of sour gas flaring and processing operations west of Calgary, Alberta, Canada. Medical Geology Newsletter 5, 7-8. (invited)
  • Huang, L., Norman, A.L.., Allison., C.E., Francey, R.J., Ernst, D., Chivalescu, A., and Higuchi, K. (2001) Traceability-maintenance for high-precision stable isotope measurement (13C and 18O) of air-CO2 by lab carbonate standards at MSC: Application to the intercomparison program (Alert-Canada) with CSIRO. 11th WMO/IAEA Meeting of Experts on CO2 Concentration and Related Trace Measurement Techniques. Sendai, Japan, 12 pages.
  • Hopper, J.F., Norman, A.L., Ernst, D., Chivalescu, A., Worthy, D., Wallgren, E. and Ernst,M. (1999) Measurements of stable isotopes of CO2. Canadian Baseline Program: Summary of Progress to 1998, Environment Canada, 2-19.
  • Norman, A.L., and Ernst, D. (1999) Stable isotopes of CO2: Measurements and calibration protocols. Canadian Baseline Program: Summary of Progress to 1998, Environment Canada, 3- 14, 3-15.
  • Hopper, J.F., Norman, A.L., Ernst, D., and Chivalescu, A. (1998) Stable isotopes of CO2.  Canadian Baseline Report, Environment Canada, Section 2.1.4.
  • Hopper, J.F., Norman, A.L., and Ernst, D. (1997) CARD Stable isotope laboratory. Directions in Climate Measurement Research Workshop, Dec. 10-11, 1996. Environment Canada, 9 pgs.
  • Norman, A.L., Giesemann, A., and Jager, H.J.  (1995)  Sulphur isotope fractionation during S- mineralization in two Black Forest soils. European Network of Catchments Organized for Research on Ecosystems. M. Hornung (ed.) Section 6.2, 3 pgs.

Non-refereed publications and reports

  • Norman, A.L., and Amiri, N., Formation of charged hydrocarbon particles and their distribution in the atmosphere. Whitepaper for SkyHunter Corp. 2017, 23 pgs.
  • Norman, A.L. (2011) Review of technical report : Assessment of hydrocarbon emissions from heated bitumen storage tanks. Report submitted to Coralee Beaulieu, Minnie Lake Conservation Society. for the ERCB Hearing: Several Well and Facility Applications of Canadian Natural Resources Limited for development in the Sugden Field near Minnie Lake. February 9, 2011, 6 pgs.
  • Norman, A.L., and ENSC 502 Class of 2006-2007 (2010) Cumulative impacts on air quality and ecosystems from sour gas emissions near Beaver Mines, Alberta. Report submitted to the ERCB Hearing for Shell Waterton Well Applications 1614134, 1614144, 1614145, 1614198, 1614210. Prepared Sept. 5, 2010. 18 pgs.
  • Norman, A.L. (2009) Sulphur isotope analysis of individual aerosol particles – a new tool for studying heterogeneous oxidation processes in the marine environment Discussion. Atmos. Chem. Phys. Discuss. 9, 3307-3365.
  • Norman, A.L., Siauw, A., and the ENSC Class of 2006-2007. (2007) Cumulative impacts from sour gas emissions near Pincher Creek, Alberta. Report to the EUB, Shell Waterton 12-36-5-3 W5M/10-1-6-3 W5M, Prepared Aug. 27, 2007, 45 pgs.
  • Norman, A.L., (2002) Sour gas processing impacts on pond water and grasses downwind of Shell-Waterton processing plant near Pincher Creek, Alberta. Prepared for Rooney Prentice, Barristers and Solicitors, Calgary, Alberta, October 8, 2002, 7 pgs.
  • Norman, A.L., Mayer, B., and Bradley, E. (2002) Assessment of atmospheric S deposition to, and proportion of S in, surrounding ecosystems due to sour gas emissions. Report I: Background S and source characterisation.  Prepared for B.C. Oil and Gas Commision, June 2002, 11 pgs.
  • Norman, A.L., Roth, S., and Krouse, H.R. (2001) A study to determine the feasibility of using natural abundance stable S isotope ratios to identify and characterisze the distribution and metabolism of hydrogen sulphide (H2S) in blood: report on experimental results.  Report to the American Petroleum Institute, April 12, 2001, 7 pages.
  • Norman, A.L., Belzer, W., and Barrie, L. (2001) Atmospheric sulphur in the Fraser Valley: A source apportionment study. Report to Meteorological Service of Canada. October 18, 2001, 20 pages.
  • Norman, A.L., and the ENSC 502 Class of 2000-2001 (2001) Air quality and percieved health impacts from sour gas emissions at two locations west of Calgary, AB. Posted as an overview of the study www.ucalgary.ca/~alnorman/airq/airquality.html, 18 pgs.
  • Norman, A.L., Ernst, D., and Hopper, J.F. (1998) Verification of a system for cryogenic extraction of CO from ambient air for stable isotope determinations.  Atmospheric Environment Service Internal Technical Report: AAIM Laboratory, April 1998, 13 pgs.
  • Norman, A.L., and Giesemann, A. (1992) Report on oxidation of organic sulfur in soils of the Black Forest region using stable sulfur isotopes.  Report to the European Community. 15 pgs.

Refereed abstracts and proceedings

  • Norman, A.L., and the ENSC Classes of 2003 and 2006 (submitted) A slow burn: Ecosystem acidification and its effect on the Castle River Watershed in Southern Alberta, Canada using S & O isotopes. Proceedings of the Isoecology 2012 Conference, Brest, France, August 2012.
  • Norman, A.L., Gong, S.L., Toom-Sauntry, D., and Barrie, L.A. (2005) Aerosol Sulfate from DMS Oxidation in the Arctic: 1993-2000, Gordon Research Conference: Polar Marine Science, March 13-18, 2005, Ventura, California.
  • Wasiuta, V., Norman, A.L., and Marshall, S. (2005) Spatial and seasonal patterns in snowpack sulphate on the POW Icefield, Ellesmere Island. International Symposium on High-Elevation Glaciers and Climate Records Sept. 5-9, 2005, Lanzhu, China.
  • Norman, A.L. and Wadleigh, M.A. (2004) Dimethyl sulphide (DMS) and its oxidation to sulphur dioxide downwind of an iron fertilization study, SERIES: A model for DMS flux.  27th NATO/CCMS International Technical Meeting on Air Pollution Modeling and its Application, Banff, Alberta, Canada, Oct. 24-29, 2004.
  • Norman, A.L., Krouse, H.R., and MacLeod, J. (2003) Apportionment of pollutant S in an urban airshed: Calgary, Canada, A case study.  26thInternational Technical Meeting on Air Pollution Modelling, Istanbul, Turkey, May 26-30, 2003.
  • Huang, L., Norman, A.L., Allison, C.E., Francey, R.J., Ernst, D., Chivalescu, A., and Higuchi, K. (2001) Traceability-maintenance for high precision stable isotope measurement (13C and 18O) of air-CO2 by lab carbonate standards at MSC: Application to the inter-comparison program (Alert, Canada) with CSIRO. 6th International CO2 Conference, Oct. 1-5, 2001, Sendai, Japan,  12 pgs.
  • Huang, L., Norman, A.L., Ernst, D., Chivalescu, A., Shashkov, A., Chan, D., and Higuchi, K. (2001) Isotope compositions (13C and 18O) of CO2 in air and diurnal changes at a boreal forest site (Fraserdale, Canada): Implications of processes in a terrestrial ecosystem. 6th International Carbon Dioxide Conference, Oct. 1-5, 2001, Sendai, Japan, 7 pgs.
  • Norman, A.L., Ernst, D., Rudolph, J., Blanchard, P. and Hopper, J.F. (2000) CF-MS-IRMS: A technique to identify and quantify the source of aerosols and VOCs. Proceedings of the Air and Waste Management Association, Pacific Northwest Meeting: Recent Advances in the Science and Management of Air Toxics, Banff, Alberta, Canada, P. Chu and L, Bates (eds.), April 9-12, 2000, 9 pgs.
  • Norman, A.L., Hopper, J.F., and D. Ernst (1997) Isotopic composition of atmospheric CO and CO2: Indicators of carbon cycling. Biogeomon '97, Journal of Conference Abstracts 2(2), Vile, M.A., Novak, M., and Cerny, J. (eds.) June 21-25, 1997, 258.
  • Krouse, H.R., Norman, A.L., and Wieser, M. (1997) Isotope analysis of microgram quantities of sulphur. Biogeomon '97, Journal of Conference Abstracts 2(2), Vile, M.A., Novak, M., and Cerny, J. (eds.) June 21-25, 1997, 223.
  • Norman, A.L., and H.R. Krouse (1994) Fractionation during sulphur mineralization in two Black Forest Soils. Proceedings of the Isotope Workshop II, M.O. Jedrysek (ed.), May 25-27, Ksiaz Castle, Poland, 1994, 106-110.
  • Norman, A.L., (1994) Atmospheric sulphate in snow near a sour gas processing plant, Crossfield, Alberta. Proceedings of the Workshop on Recognition of Sulphate of Industrial Derivation in Groundwater, I. Hutcheon & H.R. Krouse (eds.), March 10, Calgary, Alberta, 4 pgs.
  • Norman, A.L. (1994) Stable isotope analysis of microgram quantities of sulphur. Proceedings of the Workshop on Recognition of Sulphate of Industrial Derivation in Groundwater, I. Hutcheon and H.R. Krouse (eds.), March 10, Calgary, Alberta, 3 pgs.
  • Norman, A.L., Giesemann, A., Jäger, H-J., Krouse, H.R. (1993) A study of sulphur mineralization in organic soil horizons: A batch experiment. Proceedings of the Workshop for Sulphur Transformations in Soil Ecosystems, M.J. Hendry and H.R. Krouse (eds.), November 5- 7, Saskatoon, Saskatchewan, Canada, 1992, 261-294.
  • Norman, A.L. and H.R. Krouse (1993) Isotope composition of atmospheric sulphate near sour (H2S-rich) gas processing facilities in Alberta, Canada. Proceedings of the 1st International Symposium on Applied Isotope Geochemistry (AIG-1), August 29-September 3, 1993, Geiranger, Norway, 1 pp: IFE/KR/E-93/007.
  • Norman, A.L., M. Wieser, H.R. Krouse, and A. Giesemann (1993) Isotope abundance measurements of microgram quantities of sulphur. Proceedings of the 1st International Symposium on Applied Isotope Geochemistry (AIG-1), August 29-September 3, 1993, Geiranger, Norway, 2 pp: IFE/KR/E-93/007.
  • A. Giesemann, Jäger, H-J., Norman, A.L., and H.R. Krouse (1993) On-line analysis of S-isotope distributions in small samples.  Proceedings of the Workshop for Sulphur Transformations in Soil Ecosystems, M.J. Hendry and H.R. Krouse (eds.), November 5-7, Saskatoon, Saskatchewan, Canada, 1992, 73-85.
  • Norman, A.L., and Krouse, H.R. (1992) Stable isotope studies of atmospheric sulphur: comparison of Calgary, Canada, and Bermuda.  Proceedings of the 9th Clean Air Congress, Montreal, Canada, IU-8.01, 16 pages.