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Report of the 5Th International Workshop Arctic Coastal Dynamics Report of the 5th International Workshop McGill University, Montreal (Canada), 13-16 October 2004 Edited by Volker Rachold, Hugues Lantuit, Nicole Couture and Wayne Pollard Volker Rachold, Alfred Wegener Institute, Research Unit Potsdam, Telegrafenberg A43, 14473 Potsdam, Germany Hugues Lantuit, McGill University, Department of Geography, 805 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6 present address: Alfred Wegener Institute, Research Unit Potsdam, Telegrafenberg A43, 14473 Potsdam, Germany Nicole Couture, McGill University, Department of Geography, 805 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6 Wayne Pollard, McGill University, Department of Geography, 805 Sherbrooke Street West, Montreal, Quebec, Canada H3A 2K6 Preface Arctic Coastal Dynamics (ACD) is a joint project of the International Arctic Science Committee (IASC) and the International Permafrost Association (IPA) and it is a regional project of the International Geosphere-Biosphere Program Land- Ocean Interactions in the Coastal Zone (IGBP-LOICZ). Its overall objective is to improve our understanding of circum- Arctic coastal dynamics as a function of environmental forcing, coastal geology and cryology and morphodynamic behavior. The fifth IASC-sponsored ACD workshop was held in Montreal, Canada, on October 13-16, 2004. Participants from Canada (20), Germany (3), Malaysia (1), the Netherlands (1), Norway (1), Russia (14), and the United States (6) attended. The objective of the workshop was to review the status of ACD according to the Science and Implementation Plan, with the main focus on completing the circum-Arctic ACD segmentation and classification and initiating the development of web-deliverable GIS products. During the first part of the workshop, progress reports of the working groups of the last workshop held in St. Petersburg (Russia) in November 2003 were presented, as were 44 scientific papers dealing with regional and/or circum-Arctic coastal dynamics. In addition to the established ACD working groups on (1) GIS Development, (2) Transition from Onshore to Offshore Permafrost and (3) Environmental Forcing, a new theme introduced at the Canadian workshop was (4) the Human Dimensions of Arctic Coastal Dynamics. Finally, the results of the workshop and the next steps to be taken were discussed in the ACD Steering Committee meeting. The present report summarizes the program of the workshop and the main results. Financial support from the International Arctic Sciences Committee (IASC) is highly appreciated and was essential for conducting the workshop. The Canadian Department of Foreign Affairs and International Trade (DFAIT) and the Canadian International Development Agency (CIDA) provided support for six Russian participants. IPA International Permafrost Association i ii iii Participants of the 5th International Workshop on Arctic Coastal Dynamics (ACD), Montreal, Canada, 13-16 October 2004. (photo by Volker Rachold). iv Table of Contents Preface 1 Introduction ..........................................................................................................................1 2.1 Background and Rationale ...............................................................................................1 2.2 History and Development of Arctic Coastal Dynamics (ACD).......................................2 2.3 Current Focus and Objectives of the 5th ACD Workshop................................................4 2 Program and Main Results of the Workshop....................................................................6 2.1 Program ............................................................................................................................6 2.2 Main Results of the Working Group Meetings ................................................................6 WG 1: Transition from Onshore to Offshore Permafrost .......................................................................... 7 WG 2: Human Dimensions of Arctic Coastal Dynamics ........................................................................ 12 WG 3: Environmental Forcing ................................................................................................................ 13 WG 4: GIS Development......................................................................................................................... 15 2.3 Next Steps ......................................................................................................................17 3 Extended Abstracts............................................................................................................21 SNOW REGIME, COASTAL CLIMATE, AND PERMAFROST NEAR UMIUJAQ, NUNAVIK, CANADA M. Allard, G.Delisle, R. Fortier and D. Sarrazin ................................................................23 THE SHAPE OF EROSIONAL ARCTIC SHOREFACE PROFILES F. Are, E. Reimnitz, S. Solomon, H.-W. Hubberten and V. Rachold....................................24 CIRCUM-ARCTIC MELT SEASON TRENDS, 1950 – 2000 D. Atkinson...........................................................................................................................28 ACD KEY SITES: THE BASIS FOR A COASTAL OBSERVATIONAL NETWORK J. Brown ...............................................................................................................................29 DETECTION AND MAPPING OF PERMAFROST DEGRADATION ON HERSCHEL ISLAND, YUKON, USING RADARSAT-1, SPOT AND IKONOS SATELLITE DATA P. Budkewitsch, W. H. Pollard , F. Leduc, C. Omelon, E. Gauthier and K. Molch....................................................................................................................................30 v GEOCHEMISTRY OF EXOGENIC PROCESSES OF THE RUSSIAN ARCTIC COAST G. Cherkashev, B. Vanstein and N. Kasyankova .................................................................31 ESTABLISHMENT OF STANDARDIZED STATIONS TO MONITOR THE RESPONSE OF PERMAFROST TO CLIMATE CHANGE G. Delisle, M. Allard and R. Fortier ....................................................................................32 THE CANADIAN CLIMATE IMPACTS AND ADAPTATION RESEARCH NETWORK (C-CIARN): BUILDING LINKAGES IN A CHANGING WORLD C. Eamer, B. Mehdi, K. Parlee and J. Shirley .....................................................................35 DISTRIBUTION OF ICE-BONDED SEDIMENTS AND MASSIVE GROUND ICE ACROSS THE LAND-WATER INTERFACE IN A TRANSGRESSIVE BARRIER-LAGOON-DELTA SYSTEM, BEAUFORT SEA COAST OF YUKON TERRITORY, CANADA D.L. Forbes ..........................................................................................................................36 INUIT KNOWLEDGE OF ENVIRONMENTAL CHANGE DOCUMENTED AND COMMUNICATED THROUGH MULTIMEDIA TECHNOLOGY: AN INTERACTIVE POSTER S. Fox Gearhead...................................................................................................................37 ADDITIONAL EROSION OBSERVATIONS FOR THE ELSON LAGOON KEY SITE, BARROW, ALASKA O. Francis-Chythlook and J. Brown ....................................................................................38 FIELD OBSERVATIONS OF STORM-INDUCED WATER LEVELS FOR ELSON LAGOON, BARROW, ALASKA O. Francis-Chythlook...........................................................................................................42 RESULTS OF A WAVE CLIMATE STUDY FOR ELSON LAGOON, BARROW, ALASKA O. Francis-Chythlook...........................................................................................................44 THE IMPORTANCE OF METADATA FOR ARCHIVING AND PROMOTING SPATIAL DATA DISCOVERY A. Graves Gaylord, C. E. Tweedie, M. Sadak, P. Webber, J. Brown, G. Sheehan, W. Manley, L. Lestak and N. Auerbach ................................................................48 THE DEGRADATION OF COASTAL PERMAFROST AND THE DEVELOPMENT OF SUB-SEA PERMAFROST IN THE NEAR-SHORE ZONE OF THE LAPTEV SEA M.N. Grigoriev, V. Rachold and H-W. Hubberten...............................................................53 SEDIMENT AND ORGANIC CARBON FLUXES IN CONNECTION WITH ERODING PERMAFROST COASTS OF THE SIBERIAN ARCTIC M.N. Grigoriev, A.A. Vasiliev and V.Rachold....................................................................55 vi BOTTOM SEDIMENTS ON EROSIONAL SHOREFACE OF THE LAPTEV SEA O. Gruzdeva, F. Are and V. Rachold ...................................................................................56 INUIT KNOWLEDGE AND PERCEPTIONS OF THE LAND-WATER INTERFACE S. Heyes ................................................................................................................................59 MODELING BLOCK FAILURES IN VERTICAL CLIFFS OF ARTIC COASTS UNDERLAIN BY PERMAFROST Md. A. Hoque and W. H. Pollard.........................................................................................60 A MULTI-SCALE APPROACH TO ASSESSING THE FLUX AND TRANSFORMATION OF ORGANIC CARBON ACROSS THE ERODING COASTLINE OF NORTHERN ALASKA T. Jorgenson, C.-L. Ping, L. Guo, Y. Shur and J. Brown.....................................................65 CRYOGENIC STRUCTURE AND ICE CONTENT OF COASTAL SEDIMENTS, WESTERN SIBERIA M. Kanevskiy, I. Streletskaya and A. Vasiliev......................................................................69 RECENT COASTAL DYNAMICS AND SEA LEVEL CHANGE ON MELVILLE ISLAND, WESTERN CANADIAN HIGH ARCTIC P. Lajeunesse, J. England and M. Hanson...........................................................................70 IDENTIFICATION OF STABILIZED AND REVEGETATED RETROGRESSIVE THAW SLUMPS FLOORS ON AN ICE-RICH ARCTIC COAST USING LANDSAT NEAR-INFRARED
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