Yi, Y., Gibson, J.J., Helie, J.-F., Dick, T.A., 2009. Synoptic and time-series stable isotope surveys of the Mackenzie River from Great Slave Lake to the Arctic Ocean, 2003 to 2006. Journal of Hydrology 383: 223-232 [PDF 1.7 Mb]

 

Schmidt, A., Gibson, J.J, Santos, I.R., Shubert, M., Tattrie, K., Weiss, H., 2010. The contribution of groundwater discharge to the overall water budget of lakes in Alberta/Canada estimated from a radon mass balance, Hydrology and Earth Systems Sciences, 14, 79-89 [PDF 2.1 Mb]

 

Scott, K.A., Wissel, B., Gibson, J.J., Birks, S.J., 2010. Limnological characteristics and acid sensitivity of boreal headwater lakes in northwest Saskatchewan, Canada. Journal of Limnology 69 (Suppl. 1) 33-44 [PDF 426 Kb]

 

Jeffries, D.S., Semkin, R.G., Gibson, J.J., Wong, I., 2010. Recently surveyed lakes in northern Manitoba and Saskatchewan, Canada: characteristics and critical loads of acidity. Journal of Limnology  69 (Suppl. 1) 45-55 [PDF 326 Kb]

Gibson, J.J., Birks, S.J., Kumar, S., McEachern, P., Hazewinkel, R., 2010. Interannual variations in water yield to lakes in northeastern Alberta: Implications for estimating critical loads of acidity. Journal of Limnology  69 (Suppl. 1) 126-134 [PDF 0.98 Mb]

 

Gibson, J.J., Birks, S.J., Jeffries, D.S., Kumar, S., Scott, K.A., Aherne, J., Shaw, P., 2010. Site-specific estimates of water yield applied in regional acid sensitivity. Journal of Limnology  69 (Suppl. 1) 67-76 [PDF 726 Kb]  

 

Gibson, J.J., Reid, B., 2009. Stable isotope fingerprint of open-water evaporation losses and effective drainage area fluctuations in a subarctic Shield watershed. Journal of Hydrology 381, 142-150.[PDF 680 Kb]

 

Gibson, J.J., Fekete, B., Bowen, G., 2009. Stable isotopes in large scale hydrological applications, Chapter in Isoscapes: Understanding movement, pattern, and process on Earth through isotope mapping, West, J., Bowen, G., Dawson, T., Tu, K., Springer, USA. [PDF 1.0 Mb Preprint]

   

Birks, S. J., Gibson, J.J, 2009. Isotope Hydrology Research in Canada, 2003-2007. Canadian Water Resources Journal 34 (2): 163-176. [PDF 538 Kb]

 

Cooper, L.W., McClelland, J.W., Holmes, R.M., Raymond, P.A., Gibson, J.J, Guay, C.K., Peterson, B.J., 2008. Flow-weighted Values of Runoff Tracers (d18O, and concentrations of DOC, Ba, Alkalinity) from the Six Largest Arctic Rivers. Geophysical Research Letters, Geophys. Res. Lett., 35, L18606, doi:10.1029/2008GL035007. [PDF 205 Kb]

 

McClelland, J.M., Holmes, R.M., Peterson, B.J., Amon, R., Brabets, T., Cooper, L.W., Gibson, J.J., Gordeev, V.V., Guay, C.K., Milburn, D., Raymond, P.A., Shiklomanov, I., Staples, R., Striegl, R., Zhulidov, A.V., Zimov, S.A., 2008. Development of a Pan-Arctic Database for River Chemistry, EOS, Vol. 89 No. 24, 10 June2008, pp. 217-218.[PDF 143 Kb]

Gibson, J. J., Birks, S.J., Edwards, T.W.D., 2008. Global prediction of dA and d 2H-d 18O evaporation slopes for lakes and soil water accounting for seasonality, Global Biogeochem. Cycles, 22, GB2031, doi:10.1029/2007GB002997 [PDF 873 Kb]

Gibson, J.J., Sadek, M.A., Stone, D.J.M., Hughes, C., Hankin, S., Cendon, D.I., Hollins, S.E., 2008, Evaporative isotopic enrichment as a constraint on reach water balance along a dryland river. Isotopes in Environment and Health Studies 44:p.83-98, DOI: 10.1080/10256010801887489.[PDF 725 Kb]

Bennett, K.E., Gibson, J.J., McEachern, P., 2008. Water yield estimates for critical loadings assessment: comparisons of gauging methods vs. an isotopic approach, Canadian Journal of Fisheries and Aquatic Sciences 65: 83-99.[PDF 1.1 Mb]

Prowse, T.D., Wrona, F.J., Reist, J.D., Gibson, J.J., Hobbie, J.E., Le´vesque, L.M.J., Vincent, W.F., 2006. Climate Change Effects on Hydroecology of Arctic Freshwater Ecosystems, Ambio 35(7), p. 347-358.
[PDF 807 Kb]

Prowse, T.D., Wrona, F.J., Reist, J.D., Gibson, J.J., Hobbie, J.E., Le´vesque, L.M.J., Vincent, W.F., 2006. Historical Changes in Arctic Freshwater Ecosystems, Ambio 35(7), p. 339-346.[PDF 224 Kb]

Gibson, J.J., Birks, S.J., Edwards, T.W.D., Gonfiantini, R., 2006. Isotopic Effects in Evaporation - Revisiting the Craig-Gordon model four decades after its formulation: Scientific Briefing, IAHS Newsletter NL87, Dec 2006, p.1, 4-5. [PDF 1.0Mb]

Fekete, B., Gibson, J.J., Aggarwal, P., Vorosmarty, C., 2006. Application of isotope tracers in continental scale hydrological modeling, Journal of Hydrology 330, p. 444-456.[PDF 1.4Mb]

Gibson, J.J., Prowse, T.D., Peters, D.L, 2006. Partitioning impacts of climate and regulation on water level variability in Great Slave Lake, Journal of Hydrology 329, p.196-206.[PDF 2.8Mb]

Gibson, J.J., Prowse, T.D., Peters, D.L., 2006. Hydroclimatic controls on water balance and water level variability in Great Slave Lake Hydrological Processes 20, p. 4155-4172. [PDF 681Kb]

Prowse, T.D., Beltaos, S., Gardner, J.T., Gibson, J.J., Granger, R.J., Peters, D.L., Pietroniro, A., Romolo, L.A., 2006. Climate change, flow regulation and land-use effects on the hydrology of the Peace-Athabasca-Slave system; findings from the Northern Rivers Ecosystem Initiative Journal of Environmental Monitoring and Assessment, DOI: 10.1007/s10661-005-9080-x, 31pp.[PDF 1.0Mb]

Darling, G. Bath, A., Gibson, J.J., Rozanski, K., 2005. Isotopes in water, Chapter 1 in Leng, M.J., (ed.), Isotopes in Palaeoenvironmental Research,  Developments in Paleoenvironmental Research Series, Springer, Netherlands pp. 1-66.[PDF 1.9Mb]

St. Amour, N.A., Gibson, J.J., Edwards, T.W.D., Prowse, T.D., Pietroniro, A., 2005. Isotopic time-series partitioning of streamflow components in wetland-dominated catchments, lower Liard River Basin, Northwest Territories, Canada, Hydrological Processes 19, p. 3357-3381. [PDF 984Kb]

Stadnyk, T.A., St. Amour, N.A., Kouwen, N., Edwards, T.W.D., Pietroniro, A., Gibson, J.J. 2005. A groundwater separation study in boreal wetland terrain: the WATFLOOD hydrological model compared with stable isotope tracers. Isotopes in Environmental and Health Studies 41(1), 49-68. [PDF 983Kb]

Gibson, J.J., Edwards, T.W.D., Birks, S.J., St. Amour, N.A., Buhay, W., McEachern, P., Wolfe, B.B., Peters, D.L., 2005. Progress in Isotope Tracer Hydrology in Canada. Hydrological Processes 19, 303-327. [PDF 966Mb]

Wrona, F., Prowse, T., Reist, J., Beamish, R., Gibson, J.J., et al. 2005. Freshwater Ecosystems and Fisheries, Chapter 8, In: Arctic Climate Impact Assessment. [PDF 3.77Mb]  Full Report

Edwards, T.W.D., Wolfe, B.B., Gibson, J.J., 2004. Hammarlund, D., Use of water isotope tracers in high-latitude hydrology and paleohydrology, Chapter 7, In Pienitz, R., Douglas, M.S.V., Smol, J.P., (eds.), Long-term Environmental Change in Arctic and Antarctic Lakes, Springer, Netherlands, pp. 187-207. [PDF 580Kb]

Hayashi, M., Quinton, W.L., Pietroniro, A., Gibson, J.J., 2004. Hydrologic functions of interconnected wetlands in a discontinuous permafrost basin indicated by isotopic and chemical signatures Journal of Hydrology 296, 81-97. [PDF 408Kb]

Fitzgerald, D.F., Price, J.S., and Gibson, J.J., 2003. Hillslope-swamp interactions and flow pathways in a hypermaritime rainforest, British Columbia. Hydrological Processes 17, p.3005-3022. [PDF291Kb]

Gibson, J.J., Aggarwal, P., Hogan, J., Kendall, C., Martinelli, L.A., Stichler, W., Rank, D., Goni, I., Choudhry, M., Gat, J., Bhattacharya, S., Sugimoto, A., Fekete, B., Pietroniro, A., Maurer, T., Panarello, H., Stone, D., Seyler, P., Maurice-Bourgoin, L., Herczeg, A., Isotope studies in large river basins: a new global research focus EOS 83 (52) 24 December 2002, p.613, 616-617.[preprint PDF533Kb]

Gibson, J.J., 2002. A new conceptual model for predicting isotope enrichment of lakes in seasonal climates. IGBP PAGES News 10 (2): 10-11.[PDF] [link to full references]

Birks, S.J., Gibson, J.J., Gourcy, L., Aggarwal, P.K., Edwards, T.W.D., 2002. Maps and animations offer new opportunities for studying the global water cycle, EOS Transactions of the American Geophysical Union 83(37), p.406, 10 September 2002. [PDF Printed Brief 430Kb] [MHT Electronic Supplement 767Kb]

Aggarwal, P., Gibson, J.J, Froehlich, K. and Kulkarni, K.M., 2002. Isotopic evidence for climatic conditions in southeast Asia at the last glacial maximum. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 28-40, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Froehlich, K., Gibson, J.J., and Aggarwal, P., 2002. Deuterium excess in precipitation and its climatological significance. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 54-65, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Edwards, T.W.D., Birks, S.J., and Gibson, J.J., 2002. Isotope tracers in global water and climate studies of the past and present. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 187-194, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Birks, S.J., Edwards, T.W.D., and Gibson, J.J., 2002. Developing insight into the isotope-climate of Canada and the isotopic expression of the 1997-98 ENSO. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 466-467, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Maric, R., St. Amour, N.A., Gibson, J.J., and Edwards, T.W.D., 2002. Stable isotope characterization of pan-derived and directly sampled atmospheric water vapour. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 468-470, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Wolfe, B.B., Aravena, R., Abbott, M.B., Seltzer, G.O, and Gibson, J.J., 2002. Paleoclimatic reconstruction in the Bolivian Andes from oxygen isotope analysis of lake sediment cellulose. Study of environmental change using isotope techniques, C&S Papers Series 13/P, pp. 252-261, International Atomic Energy Agency, Vienna, Austria, ISBN 92-0-116402-5.

Gibson, J.J., and Edwards, T.W.D., 2002. Regional surface water balance and evaporation-transpiration partitioning from a stable isotope survey of lakes in northern Canada. Global Biogeochemical Cycles 16(2): 10.1029/2001GB001839, 2002 [PDF 1.5Mb]

Gibson, J.J., 2002. Short-term evaporation and water budget comparisons in shallow arctic lakes using non-steady isotope mass balance. Journal of Hydrology 264: 247-266[PDF 598Kb]

Gibson, J.J., Prepas, E.E., and McEachern, P., 2002. Quantitative comparison of lake throughflow, residency, and catchment runoff using stable isotopes: modelling and results from a survey of Boreal lakes. Journal of Hydrology 262: 128-144.[PDF 464Kb]

Gibson, J.J and Prowse, T.D., 2002.   Stable isotopes in river ice: identifying primary over-winter streamflow signals and their hydrological significance. Hydrological Processes 16: 873-890.  [PDF 339Kb]

Gibson, J.J., 2001. Forest-tundra water balance signals traced by isotopic enrichment in lakes. Journal of Hydrology 251: 1-13.[PDF 177Kb]

Wolfe, B.B., Aravena, R., Abbott, M.B., Seltzer, G.O., and Gibson, J.J., 2001. Lacustrine cellulose oxygen-isotope records of paleohydrology and paleohumidity in the Bolivian Andes. Palaeogeography, Palaeoclimatology, Palaeoecology 176: pp. 177-192.[PDF 515Kb]

Gibson,J.J., and Aggarwal, P.K., 2001.  Revisiting climate changes: isotope studies open scientific windows to the past. IAEA Bulletin 43/2, pp.1-4.[PDF 146Kb]  [FrenchFrançais SpanishEspanol RussianRussian]

Prepas, E.E., Planas, D., Gibson, J.J., Vitt, D.H., Prowse, T.D., Dinsmore, W.P., Halsey, L.A., McEachern, P.M., Paquet, S., Scrimgeour, G.J., Tonn, W.M., Paszkowski, C.A., and Wolfstein, K., 2001. Landscape variables influencing nutrients and phytoplankton communities in Boreal Plain lakes of northern Alberta: a comparison of wetland- and upland-dominated catchments. Can. Journal of Fisheries and Aquatic Sciences 58: 1286-1299.[PDF 293Kb]

Gibson, J.J., Fitzgerald, D., Aravena, R., Price, J.S., and Maloney, D., 2000. Streamflow generation in a hypermaritime bog-forest upland. Hydrological Processes 14: 2711-2730. [PDF 288Kb]

Gibson, J.J. and Prowse, T.D., 2000 (Editors), Hydrological Processes Special Issue: ISOBALANCE. John Wiley & Sons. Table of Contents

McEachern, P., Prepas, E.E., Gibson, J.J., and Dinsmore, P., 2000.The forest fire induced impacts on phosphorus, nitrogen and chlorophyll a concentrations in boreal sub-arctic lakes of northern Alberta Can. Journal of Fisheries and Aquatic Sciences 57 (Suppl. 2):73-81.[PDF 383Kb]

Gibson, J.J. and Edwards, T.W.D., 1999. The evaporation pan technique revisited: old theory and a new application for time-weighted synoptic tracing of the isotopic composition of atmospheric vapour. Water and Environment News 8/9, pp. 9-10. [PDF 1.4Mb]

Gibson, J.J. and Prowse, T.W.D., 1999. Isotopic characteristics of ice cover in a large northern river basin. Hydrological Processes, 13, pp. 2537-2548. [PDF 194Kb]

Gibson, J.J., Edwards, T.W.D. and Prowse, T.D.,1999. Pan-derived isotopic composition of water vapour and its variability in northern Canada. Journal of Hydrology, 217, pp. 55-74.[PDF 521Kb]

Gibson, J.J., Reid, R. and Spence, C., 1998. A six-year isotopic record of lake evaporation in the Canadian Subarctic. Hydrological Processes, 12, pp. 1779-1792.[PDF 261Kb]

Gibson, J.J., Edwards, T.W.D. and Prowse, T.D., 1996. Development and validation of an isotopic method for estimating lake evaporation. Hydrological Processes, 10, pp. 1369-1382.[PDF 906Kb]

Gibson, J.J., Prowse, T.D., and Edwards, T.W.D., 1996. Evaporation from a small lake in the continental arctic using multiple methods. Nordic Hydrology, 27, pp. 1-24.[PDF 4.88Mb]

Gibson, J.J., Edwards, T.W.D., Bursey, G.G., and Prowse, T.D., 1993. Estimating evaporation using stable isotopes: quantitative results and sensitivity analysis for two catchments in northern Canada. Nordic Hydrology, 24, pp. 79-94.[PDF 383Kb]

Gibson, J.J., Edwards, T.W.D., and Prowse, T.D., 1993. Runoff generation in a high boreal wetland in northern Canada. Nordic Hydrology, 24, pp. 213-224.[PDF 835Kb]

UPCOMING PUBLICATIONS

Whitfield, C.J., Aherne, J., Gibson, J.J., Seabert, T.A., Watmough, S.A., The spatial and temporal geochemical analysis of three boreal peatland complexes. Hydrological Processes, (in review).
 

Yi, Y., Gibson, J.J., Cooper, L.W., McClelland, J.M, Holmes, R.M, Peterson, B., 2009. PARTNERS manuscript (submitted).

RECENT TECHNICAL REPORTS

Hughes, C.E., Stone, D.J.M., Gibson, J.J., Sadek, M.A., Cendon, D.I., Hankin, S.I., 2010.  Stable water isotope investigation of the Barwon-Darling River system, Australia, Final Report of the IAEA Research Agreement AUL-12039, Australian Nuclear Science and Technology Organization, 23pp.

 

Gibson, J.J., Birks, S.J, Szabova, M., Richardson, K., Tattrie, K., 2009. Hydrologic analysis of lakes in SW British Columbia using stable isotopes, Contract Report to Environment Canada, Vancouver BC, 15p.

 

Gibson, J.J., Birks, S.J, Szabova, M., Richardson, K., Tattrie, K., 2009. Hydrologic analysis of lakes in NW Saskatchewan using stable isotopes, Contract Report to Saskatchewan Environment, Regina SK, 40pp.

 

Gibson, J.J., Birks, S.J, Szabova, M., Richardson, K., Tattrie, K., 2009. Hydrologic analysis of lakes in northern Saskatchewan and Manitoba using stable isotopes, Contract Report to Environment Canada, National Water Research Institute, Burlington ON, 24pp.

 

Gibson, J.J., Isotope tracing of water yields and flow pathways for critical loadings assessment in the oil sands region, Collaborative Research and Developments Grant Report to NSERC and CEMA, Report CRDPJ 357130 – 07,  1 Dec 2008, 13pp.

 

Gibson, J.J., 2008.  Isotope tracing of evaporation at mine sites in the Northwest Territories. Prepared under contract for Water Resources Division, DIAND, Yellowknife, 15 pp.

 

Tattrie, K. Gibson, J.J., 2008.Isotope tracing of water yield and chemical loadings on acid sensitive aquatic ecosystems in the Alberta Oil Sands region,  2007 Progress and Summary Report on CEMA Project 2007-001

 

Gibson, J.J., 2008. Isotope tracing of water balance and water yield to lakes in Northwestern Saskatchewan: a progress report. Prepared under contract to Saskatchewan Environment. 12pp.

 

Tattrie, K., Gibson, J.J., 2007. Isotope tracing of water yield and chemical loadings on acid sensitive aquatic ecosystems in the Alberta Oil Sands region, 2006 Progress and Summary  Report on CEMA Project 2006-0001. Technical Report prepared for Cumulative Environmental Management Association, Ft. McMurray, 12pp.

 

Bennett, K., Gibson, J.J., Birks, S.J., Tattrie, K., 2006. Isotope tracing of water yield and chemical loadings on acid sensitive aquatic ecosystems in the Alberta Oil Sands Region. 2005 Progress and Summary  Report on CEMA Project 2004-0033, Technical Report prepared for the Cumulative Environmental Management Association, Alberta. 10 pp.

Gibson, J.J., 2005. Isotope tracing for process studies and water cycle model development in the Mackenzie Basin, 2005 Report. Technical report prepared for IAEA Isotope Hydrology Section Vienna under Contract 12042, 13 pp.

Gibson, J.J., Seed, A., Cleugh, H., 2005. The MDB CSE Science Implementation Plan 2006-2012.  Report of the Murray-Darling Basin Water Budget Project Continental Scale Experiment prepared for the GEWEX Hydrometeorology Panel, Dec. 2005, 26pp.

Helie, J.F., Peters, D.L., Tattrie, K.R., Gibson, J.J., 2005. Review and synthesis of potential hydrologic impacts of Mountain Pine Beetle and related harvesting activities in British Columbia. Technical report prepared for Canadian Forest Service, Natural Resources Canada, as a contribution to the Mountain Pine Beetle Initiative, Pacific Forestry Centre, Victoria, 27pp.

Banner, A., P. LePage, J. Moran and A. de Groot (editors), Gibson, J.J. (Contributing Author), 2005. The HyP3 Project: pattern, process, and productivity in hypermaritime forests of coastal British Columbia – a synthesis of 7-year results. B.C. Min. For., Res. Br., Victoria, B.C. Spec. Rep. 10 Full Report

Tattrie, K., Gibson, J.J., 2005. Application of stable isotopes to water budget studies at Sooke Lake Reservoir Victoria, BC, Canada: A qualitative study. NWRI Technical Report prepared for Capital Region District Water Supply, 21pp.

Bennett, K., Gibson, J.J., 2004. Water balance techniques using stable isotopes: Acid sensitive lakes programme, NE Alberta, 2003-2004. Cumulative Environmental Management Agency, Interim Report 1, Technical Report prepared under contract for Cumulative Environmental Management Agency Interim Report 1, September 2004. 23pp.

Gibson, J.J., 2004. Isotope tracing for process studies and water cycle model development in the Mackenzie Basin, 2004 Report. Technical report prepared for IAEA Isotope Hydrology Section Vienna under Contract 12042, 15 pp.

Prowse, T.D., Beltaos, S., Bonsal, B., Carter, T., English, M.C., Gardner, T., Gibson, J.J., Peters, D.L., Romolo, L., 2004. Hydro-climatic impacts affecting the Peace-Athabasca-Slave catchments and deltas, In: Environment Canada, Northern Rivers Ecosystem Initiative: Collective Findings (CD ROM). Compiled by F.M. Conly, Saskatoon, SK, 2004. (With Alberta Environment), pp.1-44.

Gibson, J.J., et al., 2003. Progress in Isotope Tracer Hydrology in Canada, In: J. Pomeroy (ed.), Advances in Canadian Hydrology 1999-2003, Quadrennial Report to the International Union of Geodesy and Geophysics and International Association of Hydrological Sciences, Canadian National Committee for the International Association of Hydrological Sciences (CNC-IAHS), June 2003, pp. 61-69.

Pietroniro, A., Gibson, J.J., Wassenaar, L., Koehler, G., Prowse, T.D., 2003. Isotope tracing for process studies and water cycle model development in the Mackenzie Basin, Final report 2003. Technical report prepared for IAEA Isotope Hydrology Section Vienna under Contract 12042, 24 pp.

Aggarwal, P.K., Dargie, M., Groening, M., Kulkarni, K.M. and Gibson, J.J., 2001. An Inter-Laboratory Comparison of Arsenic Analysis in Bangladesh. IAEA Technical Report, Vienna Austria, March 2001, 24 pp.

Gibson, J.J., 2000. Evaporation and water balance at mine sites in the Northwest Territories using an isotopic method: 1998 and 1999 investigations. Technical Report prepared for Water Resources Division, Indian and Northern Affairs Canada, Yellowknife, NT., 27 pp.

Bursey, G.G., Gibson, J.J., and Gale, J.E., 2000. Groundwater monitoring report, Giant Mine, Yellowknife NWT: Results for September 1999. Technical Report prepared for Water Resources Division, Indian and Northern Affairs Canada, Yellowknife, NT. 45 pp.

Bickerton, G.S., Bursey, G.G., Gibson, J.J., and Gale, J.E., 1999. Construction and Calibration of a 3-D Numerical Flow and Transport Model of the Giant Mine, Yellowknife, NWT. Technical Report prepared for Water Resources Division, Indian and Northern Affairs Canada, Yellowknife, NT., 90 pp.

Fracflow Consultants Inc. and Gibson, J.J., 1998. Preliminary hydrogeologic, geochemical, and isotopic investigations at the Giant mine, Yellowknife, NWT. Technical Report prepared for Water Resources Division, Indian and Northern Affairs Canada, Yellowknife, NT., 185 pp.

Gibson, J.J., 1998. Evaporation rates at mine sites in the Northwest Territories determined by an isotopic method: 1997 Addendum. Technical Report prepared for Water Resources Division, Indian and Northern Affairs Canada, Yellowknife, N.W.T., 19 pp.