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Recent Publications

In Review

Van Wychen, W., Davis, J.A., Burgess, D.O., Copland, L., Gray, A.L., Sharp, M. and Mortimer, C. A. In review. Characterising the interannual variability of glacier dynamics and dynamic discharge (1999-2015) for the ice masses of Ellesmere and Axel Heiberg islands, Nunavut, Canada. Journal of Geophysical Research (Earth Surface).

2015

Crompton, J., Flowers, G., Kirste, D., Hagedorn, B. and Sharp. M. In press. Clay mineral precipitation and low silica in glacier meltwaters explored through reaction path modeling. Journal of Glaciology. Accepted 15 September, 2015.

Sharp, M., G.Wolken, D. Burgess, J.G. Cogley, L.Copland, L.Thomson, A. Arendt, B. Wouters, J. Kohler, L-M. Andreassen, S. O’Neel and M. Pelto. 2015. [Arctic] Glaciers and Ice Caps (outside Greenland) [in "State of the Climate in 2014"]. Bulletin of the American Meteorological Society 96 (7), 135-137.

Wyatt, F. and Sharp, M. 2015. Linking surface hydrology to flow regimes and patterns of velocity variability of the Devon Ice Cap, Nunavut. Journal of Glaciology 61, 387-399.

2014

Sharp, M., Burgess, D.O., Cawkwell, F., Copland, L., Davis, J.A., Dowdeswell, E.K., Dowdeswell, J.A., Gardner, A.S., Mair, D., Wang, L., Williamson, S.N., Wolken, G.J. and Wyatt, F. 2014. Recent glacier changes in the Canadian Arctic. [In Global Land Ice Measurements from Space: Satellite Multispectral Imaging of Glaciers] pp 205-228. Kargel, J.S., Bishop, M.P., Kaab, A., Raup, B.H., and Leonard, G. Eds. Springer-Praxis. (PDF)

Sharp, M., G.Wolken, M-L Geai, D. Burgess, A. Arendt, B. Wouters, J. Kohler, L-M. Andreassen, and M. Pelto. 2014. [Arctic] Glaciers and Ice Caps (outside Greenland) [in "State of the Climate in 2013"]. Bulletin of the American Meteorological Society 95 (7), S134-S136.

Gascon, G., Sharp, M., Burgess, D., Bezeau, P., Bush, A.B.G., Morin, S., and Lafaysse, M. 2014. How well is firn densification represented by a physically-based multi-layer model? Model evaluation for the Devon Ice Cap, Nunavut, Canada. Journal of Glaciology 60, 694-704.

Pfeffer, W.T., Arendt, A.A., Bliss, A., Bolch,T., Cogley, J.G., Gardner, A.S., Hagen, J-O., Hock, R., Kaser, G., Kienholz, C., Miles, E.S., Moholdt, G., Moelg, N., Paul, F., Radic, V., Rastner, P., Raup, B., Rich, J., Sharp, M.J. and the Randolph Consortium. The Randolph Glacier Inventory: a globally complete inventory of glaciers. Journal of Glaciology 60, 537-552.

Bezeau, P., Sharp, M. and Gascon, G. 2014. Variabilty in summer anticyclonic circulation over the Canadian Arctic Archipelago and west Greenland in the late 20th/early 21st centuries, and its effect on glacier mass balance. International Journal of Climatology. doi: 10.1002/joc.4000.

Sharp, M. 2014. Glaciology News in Brief. Glacier Change: the IPCC Effect. Environmental Earth Sciences 71, 2913-2918.

Van Wychen, W., Burgess, D.O., Gray, L., Copland, L., Sharp, M., Dowdeswell, J.A. and Benham, T.J. 2014. Glacier velocities and dynamic ice discharge from the Queen Elizabeth Islands, Nunavut. Geophysical Research Letters 41, 484-490. DOI 10.1002/2013GL058558.

2013

Gascon, G., Sharp, M.J., Burgess, D.O., Bezeau, P and Bush, A.B.G. 2013. Changes in accumulation area firn stratigraphy and meltwater flow during a period of climate warming, Devon Ice Cap, Nunavut, Canada. Journal of Geophysical Research, Earth Surface 118, 2380-2391. doi 10.1002/2013JF002838.

Sharp, M., Wolken, G., Geai, M-L., Burgess, D., Cogley, J.G., Arendt, A. and Wouters, B. 2013. Mountain Glaciers and Ice Caps (outside Greenland). [In Arctic Report Card 2013]. http://www.arctic.noaa.gov/reportcard

IPCC. 2013. Working Group 1 Contribution to the IPCC Fifth Assessment Report (AR5), Climate Change 2013: The Physical Science Basis. Chapter 4: Observations: Cryosphere. Co-ordinating Lead Authors: D.G. Vaughan, J.C. Comiso; Lead Authors: I.Allison, J.Carrasco, G.Kaser, R.Kwok, P.Mote, T.Murray, F.Paul, J.Ren, E.Rignot, O.Solomina, K.Steffen, T.Zhang; Contributing Authors: A.A.Arendt, D.B.Bahr, M.van den Broeke, R.Brown, J.G.Cogley, A.S.Gardner, S.Gerland, S.Gruber, C.Haas, J-O. Hagen, R.Hock, D.Holland, M.Huss, T.Markus, B.Marzeion, R.Massom, G.Moholdt, P.P. Overduin, A.Payne, W.T.Pfeffer, T.Prowse, V.Radic, D.Robinson, M.Sharp, K.Shiklomanov, S.Smith, S.Stammerjohn, I.Velicogna, P.Wadhams, A.Worby, L.Zhao. p317-382. http://www.climatechange2013.org/images/report/WG1AR5_Chapter04_FINAL.pdf

Sylvestre, T., Copland, L., Gray, L., Demuth, M.N. and Sharp, M. 2013. Spatial patterns of snow accumulation across Belcher Glacier, Devon Ice Cap. Journal of Glaciology 59, 874-882.

Bezeau, P., Sharp, M., Burgess, D. and Gascon, G. 2013. Firn profile changes in response to extreme melting in the 21st century at Devon Ice Cap, Nunavut, Canada. Journal of Glaciology 59, 981-991.

Wolken. G., Sharp, M., Geai, M-L., Burgess, D., Arendt, A. and Wouters, B. 2013. [Arctic]. Glaciers and ice caps (outside Greenland). [in “State of the Climate in 2012”]. Bulletin of the American Meteorological Society 94, S119-S121.

Gardner, A.S., Moholdt, G., Cogley, J.G., Wouters, B., Arendt, A.A., Wahr, J., Berthier, E., Hock, R., Pfeffer, W.T., Kaser, G., Ligtenberg, S.R., Bolch, T., Sharp, M.J., Hagen, J-O., van den Broeke, M. and Paul, F. 2013. A reconciled estimate of glacier contributions to sea level rise 2003-2009. Science 340, 852-857.

Danielson, B.; and Sharp, M. 2013. Development and application of a time-lapse photograph analysis method to investigate the link between tidewater glacier flow variations and supraglacial lake drainage events. Journal of Glaciology 59, 287-302.

Gascon, G., Sharp, M. and Bush, A.B.G. 2013. Changes in melt season characteristics on the Devon Ice Cap, Canada, and their association with the Arctic atmospheric circulation. Annals of Glaciology 54, 101-110

Pautler, B.G., Dubnick, A., Sharp, M.J., Simpson, A.J., and Simpson, M.J. 2013. Comparison of cryoconite organic matter composition from Arctic and Antarctic glaciers at the molecular level. Geochimica et Cosmochimica Acta 104, 1-18.

2012

Brown, R., Lemay, M., Allard, M., Barrand, N.E., Barrette, C., Begin, Y., Bell, T., Bernier, M., Bleau, S., Chaumont, D., Dibike, Y., Frigon, A., LeBlanc, P., Paquin, D., Sharp, M.J., and Way, R. 2012. Climate variability and change in the Canadian Eastern Sub-Arctic IRIS Region (Nunavik and Nunatsiavut), pp 57-114. [In Allard, M. and LeMay, M. Nunavik and Nunatsiavut: from Science to Policy. An Integrated Regional Impact Study (IRIS) of Climate Change and Modernization]. ArcticNet Inc., Quebec City, Canada. 302pp.

Arendt, A., T.Bolch, J.G.Cogley, J-O. Hagen, R.Hock, G.Kaser, W.T. Pfeffer, G. Moholdt, F.Paul, V. Radic, L. Andreassen, S. Bhajacharya, N. Barrand, M.Beedle, E. Berthier, R. Bhambri, A. Bliss, I. Brown, E. Burgess, D. Burgess, F. Cawkwell, T. Chinn, L. Copland, B. Davies, H. De Angelis, E. Dolgova, K. Filbert, R. Forester, A. Fountain, H. Frey, B. Giffen, N. Glasser, S. Gurney, W. Hagg, D. Hall, U.K. Haritashya, G. Hartmann, C. Helm, S. Herreid, I. Howat, G. Kapustin, T. Khromova, C. Kienholz, M. Koenig, J. Kohler, D. Kriegel, S. Kutuzov, I. Lavrentiev, R. LeBris, J. Lund, W. Manley, C. Mayer, E. Miles, X. Li, B. Menounos, A. Mercer, N. Moelg, P. Mool, G. Nosenko, A. Negrete, C. Nuth, R. Pettersson, A. Racoviteanu, R. Ranzi, P. Rastner, F. Rau, B. Raup, J. Rich, H. Rott, C. Schneider, Y. Selivertsov, M. Sharp, O. Sigurdsson, C. Stokes, R. Wheate, S. Winsvold, G. Wolken, F. Wyatt, N. Zheltyhina. 2012. Randolph Glacier Inventory [v3.0]: A Dataset of Global Glacier Outlines. Global Land Ice Measurements from Space, Boulder, Colorado, USA. Digital Media.

Sharp, M., Wolken, G., Geai, M-L, and Burgess, D. 2012. Mountain Glaciers and Ice Caps Outside Greenland. [In, Arctic Report Card: Update for 2012]. http://www.arctic.noaa.gov/reportcard/glaciers_ice_caps.html

Wadham, J.L., Tulaczyk, S., Stibal, M., Arndt, S., Telling, J., Tranter, M., Lis, G., Lawson, E., Dubnick, A., Sharp, M.J., Anesio, A.M., and Butler, C. 2012. Potential methane reservoirs beneath Antarctica? Nature 488, 633-637.

Stibal, M., Wadham, J., Lis, G., Telling, J., Dubnick, A., Sharp, M., Lawson, E., Butler, C., Hasan, F., Tranter, M., and Anesio, A. 2012. Methanogenic potential of Arctic and Antarctic subglacial environments with contrasting organic carbon sources. Global Change Biology 18, 3332-3345.

Sharp, M. and Wolken. G. 2012. [Arctic]. Glaciers outside Greenland. [in. State of the Climate in 2011]. Bulletin of the American Meteorological Society 93, S133-S134.

Derksen, C., Smith, S.L., Sharp, M., Howell, S., Brown, L., Fletcher, C., Mueller, D.R., Copland, L., Gauthier, Y., Bernier, M., Brown, R., Burn, C.R., Duguay, C., Langlois, A., Tivy, A., Walker, A., Lewkowicz, A.G. and Bourgeois, J. 2012. Variability and Change in the Canadian Cryosphere. Climatic Change 115, 59-88.

Van Wychen, W., Copland, L., Gray, L., Burgess, D., Danielson, B. and Sharp, M. 2012. Spatial variation of ice motion and ice flux from Devon Ice Cap, Nunavut, Canada. Journal of Glaciology 58, 657-664.

Fisher, D., Zheng, J., Burgess, D., Zdanowicz, C., Kinnard, C., Sharp, M. and Bourgeois, J. 2012. Recent melt rates of Canadian Arctic ice caps are the highest in many millennia. Global and Planetary Change 84-85, 3-7.

Pautler, B.G., Woods, G.C., Dubnick, A., Simpson, A.J., Sharp, M.J., Fitzsimons, S.J., and Simpson, M.J. 2012. Molecular characterization of dissolved organic matter in glacial ice: coupling natural abundance 1H NMR and fluorescence spectroscopy. Environmental Science and Technology 46, 3753-3761.

Herdes, E., Copland, L., Danielson, B. and Sharp, M. 2012. Relationships between iceberg plumes and sea ice conditions on NE Devon Ice Cap, Nunavut. Annals of Glaciology 53(60) doi: 10.3189/2012AoG60A163

Stibal, M., Hasan, F., Wadham, J.L., Sharp, M.J., and Anesio, A.M. 2012. Prokaryotic diversity in sediments beneath two polar glaciers with contrasting organic carbon substrates. Extremophiles 16, 255–265.

2011

M. Sharp, M. Ananicheva, A. Arendt, J-O Hagen, R. Hock, E. Josberger, R. Dan Moore, W. Tad Pfeffer, and G.J. Wolken. 2011. Mountain Glaciers and Ice Caps. In: AMAP, 2011. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). Arctic Monitoring and Assessment Program (AMAP), Oslo. 7-1 - 7-61. (PDF)

D. Dahl-Jensen, K. Steffen, M. Sharp, A. Arendt and R. Hock. 2011. Sea-level change. In: AMAP, 2011. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). Arctic Monitoring and Assessment Program (AMAP), Oslo. 11-14 - 11-18.

W.F. Vincent, T.V. Callaghan, D. Dahl-Jensen, M. Johansson, K.M. Kovacs, C. Michel, T. Prowse, J.D. Reist and M. Sharp. 2011. Impacts of changing snow, water, ice and permafrost on Arctic ecosystems. In: AMAP, 2011. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). Arctic Monitoring and Assessment Program (AMAP), Oslo. 11-27 - 11-33.

J. Key, C. E. Bøggild, M. Sharp, D. Yang, and A Klepikov. 2011. Observational needs and knowledge gaps for the cryosphere. In AMAP, 2011. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). Arctic Monitoring and Assessment Program (AMAP), Oslo. 11-33 - 11-41.

J. Reist, T. Callaghan, D. Dahl-Jensen, G. Hovelsrud, M. Johansson, R. Kallenborn, W. Meier, M.S. Olsen, J. Overland, T. Prowse, L-O. Reiersen, M. Sharp, W. Vincent, and J. Walsh, 2011. SWIPA Synthesis: Implications of Findings. In AMAP, 2011. Snow, Water, Ice and Permafrost in the Arctic (SWIPA). Arctic Monitoring and Assessment Program (AMAP), Oslo. 12-1 - 12-15.

Vincent, W.F., Callaghan, T.V., Dahl-Jensen, D., Johansson, M., Kovacs, K.M., Michel, C., Prowse, T., Reist, J.D. and Sharp, M. 2011. Ecological Implications of Changes in the Arctic Cryosphere. Ambio 40, 87-99.

Olsen, M.S., Callaghan, T.V., Reist, J.D., Reiersen, L.O., Dahl-Jensen, D., Granskog, M.A., Goodison, B., Hovelsrud, G.K., Johansson, M., Kallenborn, R., Key, J., Klepikov, A., Meier, W., Overland, J.E., Prowse, T.D., Sharp, M., Vincent, W.F., and Walh, J. 2011. The changing Arctic cryosphere and likely consequences. Ambio 40, 111-118.

Sharp, M. and Wolken, G. 2011. Glaciers outside Greenland. In Arctic Report Card. http://www.arctic.noaa.gov/reportcard/glaciers_ice_caps.html

Wang, L., Wolken, G., Sharp, M., Howell, S., Derksen, C., Brown, R., Markus, T., and Cole, J. 2011. Integrated pan-Arctic melt onset detection from satellite active and passive microwave measurements, 2000-2009. Journal of Geophysical Research 116, D22103, doi:10.1029/2011JD016256.

Sharp, M. and Wolken, G. 2011. [Arctic]. Glaciers outside Greenland. [in. State of the Climate in 2010]. Bulletin of the American Meteorological Society 92 (6), S155-S156.

Sharp, M., Burgess, D.O., Cogley, J.G., Ecclestone, M., Labine, C., and Wolken, G. 2011. Extreme melt on Canada's Arctic ice caps in the 21st century. Geophysical Research Letters 38, L11501, doi:10.1029/2011GL047381.

Pautler, B.G., Simpson, A.J., Simpson, M.J., Tseng, L-H., Spraul, M., Dubnick, A., Sharp, M.J. and Fitzsimons, S.J. 2011. Detection and structural identification of dissolved organic matter in Antarctic glacial ice at natural abundance by SPR-W5-WATERGATE 1H NMR spectroscopy. Environmental Science and Technology. Published on-line May 2011.

Gardner, A.S., Moholdt, G., Wouters, B., Wolken, G.J., Burgess, D.O., Sharp, M.J., Cogley, G.J., Braun, C., and Labine, C. 2011. Sharp acceleration of mass loss from Canadian Arctic Archipelago Glaciers and Ice Caps. Nature 473, 357-360. http://www.nature.com/nature/journal/v473/n7347/pdf/nature10089.pdf

Moran, T., Marshall, S.J. and Sharp, M. 2011. Isotope thermometry in melt-affected ice cores. Journal of Geophysical Research (Earth Surface) 116, F02010, 10 PP., doi:10.1029/2010JF001738.

Allison, I., Ananicheva, M., Burgess, D., Gogineni, P., Hagen, J-O., Rachold, V., Sharp, M., and Thing, H. 2011. Greenland Ice Sheet and Arctic Glaciers. In Krupnik, I. et al., Editors, Understanding Earth's Polar Challenges: International Polar Year 2007-2008, 215-232. University of the Arctic, Rovaniemi, Finland/CCI Press (Printed Version), Edmonton, Alberta, Canada and ICSU/WMO Joint Committee for the International Polar Year, 2007-2008, 695pp.

Barker, J.D., Klassen, J.L., Sharp, M.J., Fitzsimons, S.J., and Turner, R.J. 2011. Detecting biogeochemical activity in basal ice using fluorescence spectroscopy. Annals of Glaciology 51, 47-55.

Dubnick, A., Barker, J., Sharp, M., Wadham, J.L., Lysz, G., Telling, J., Fitzsimons, S.J., and Jackson, M. 2011. Characterisation of dissolved organic matter (DOM) from glacial environments using fluorescence spectroscopy and parallel factor analysis. Annals of Glaciology 51, 111-122.

2010

Sharp, M. and Wolken, G. 2010. Glaciers outside Greenland. In Arctic Report Card. http://www.arctic.noaa.gov/reportcard

Wadham, J.L., Tranter, M., Skidmore, M., Hodson, A., Priscu, J., Lyons, W.B., Sharp, M., Wynn, P., and Jackson, M. 2010. Biogeochemical weathering under ice: size matters. Global Biogeochemical Cycles 24, GB3025, doi:10.1029/2009GB003688

Sharp, M. and Wolken, G. 2010. Glaciers outside Greenland. In [State of the Climate in 2009]. Bulletin of the American Meteorological Society 91 (7), S119-S121.

Ananicheva, M., Kaser, G., Rivera, A., Sharp, M. and Zemp, M. 2009. Glaciers and ice caps. In Koc, N., Njastad, B., Armstrong, R., Corell, R.W., Dahl-Jensen, D., Leslie, K.R., Rivera, A., Tandong, Y., and Winther, J-G (Eds). Melting snow and ice: a call for action. Centre for Ice, Climate and Ecosystems, Norwegian Polar Institute. 51pp. (PDF)

Barrand, N.E. and Sharp, M. 2010. Sustained rapid shrinkage of Yukon glaciers since the 1957/58 International Geophysical Year. Geophysical Research Letters 37, L07501, doi:10.1029/2009GL042030.

Boon, S., Burgess, D.O., Koerner, R.M. and Sharp, M.J. 2010. 47 years of research on the Devon Island Ice Cap, Arctic Canada. Arctic 63, 13-29.

Gardner, A. S. and Sharp,M.J. 2010. A review of snow and ice albedo and the development of a new physically based broadband albedo parameterization. Journal of Geophysical Research 115, F01009, doi:10.1029/2009JF001444.

2009

Sharp, M. and Wolken, G. 2009. Glaciers Outside Greenland. In [State of the Climate in 2008]. Bulletin of the American Meteorological Society 90, S107-S109.

Sharp, M. and Wolken, G. 2009. Glaciers outside Greenland. In Arctic Report Card. http://www.arctic.noaa.gov/reportcard

Wolken, G., Sharp, M. and Wang, L. 2009. Snow and ice facies variability and ice layer formation on Canadian Arctic ice caps, 1999-2005. Journal of Geophysical Research 114, F03011, doi:10.1029/2008JF001173.

Gardner, A. S., M. J. Sharp, R. M. Koerner, C. Labine, S. Boon, S. J. Marshall, D. O. Burgess, and D. Lewis. 2009. Near-surface temperature lapse rates over Arctic glaciers and their implications for temperature downscaling for mass balance modeling. Journal of Climate 22, 4281–4298.

DeBeer, C.M. and Sharp, M.J. 2009. Topographic influences on recent changes of very small glaciers in the Monashee Mountains, British Columbia, Canada. Journal of Glaciology 55, 691-700.

Wohlleben, T.M., Sharp, M. and Bush, A. 2009. Factors Influencing the Basal Temperatures of a High Arctic Polythermal Glacier. Annals of Glaciology 50, 9-16.

Barker, J., Sharp, M. and Turner, R.J. 2009. Using Synchronous Fluorescence Spectroscopy and Principal Components Analysis (PCA) to Monitor Dissolved Organic Matter (DOM) Dynamics in a Glacier System. Hydrological Processes 23, 1487-1500.

Mair, D., D. Burgess, M. Sharp, J. A. Dowdeswell, T. Benham, S. Marshall, and F. Cawkwell. 2009. Mass balance of the Prince of Wales Icefield, Ellesmere Island, Nunavut, Canada, Journal of Geophysical Research 114, F02011, doi:10.1029/2008JF001082.

Marshall, S.J. and Sharp, M.J. 2009. Temperature and Melt Modelling on the Prince of Wales Icefield, Canadian High Arctic. Journal of Climate 22, 1454-1468.

Gardner, A.S. and Sharp, M.J. 2009. Sensitivity of net mass-balance estimates to near-surface temperature lapse rates when employing the degree-day method to estimate glacier melt. Annals of Glaciology 50, 80-86.

Sharp, M. and Wang, L. 2009. A five year record of summer melt duration on Eurasian Arctic Ice Caps. Journal of Climate 22, 133-145.

2008

Kinnard, C., Koerner, R.M., Zdanowicz, C.M., Fisher, D.A., Zheng, J., Sharp, M.J., Nicholson, L. and Lauriol, B. 2008. Stratigraphic analysis of an ice core from the Prince of Wales Icefield, Ellesmere Island, Arctic Canada, using digital image analysis: High-resolution density, past summer warmth reconstruction, and melt effect on ice core solid conductivity. Journal of Geophysical Research 113, D24120, doi:10.1029/2008JD011083.

Burgess, D.O. and Sharp, M. 2008. Recent changes in thickness of the Devon Island ice cap, Canada. Journal of Geophysical Research 113, B07204, doi:10.1029/2007JB005238.

Colgan, W., Davis, J. and Sharp, M. 2008. Is the high elevation region of the Devon Island ice cap thickening? Journal of Glaciology 186, 428-436.

Wadham, J. L., M. Tranter, S. Tulaczyk, and M. Sharp. 2008. Subglacial methanogenesis: A potential climatic amplifier? Global Biogeochemical Cycles 22, GB2021, doi:10.1029/2007GB002951.

Williamson, S.N., Sharp, M.J., Dowdeswell, J.A. and Benham, T.J. Iceberg calving rates from northern Ellesmere Island ice caps, Canadian Arctic, 1999-2003. 2008. Journal of Glaciology. Journal of Glaciology 186, 391-400.

Wolken, G., Sharp, M.J. and England, J.H. 2008. Changes in late-Neoglacial climate inferred from former equilibrium-line altitudes in the Queen Elizabeth Islands, Arctic Canada. The Holocene 18, 629-641.

Bell, C, Mair, D., Burgess, D., Sharp, M., Demuth, M.N., Cawkwell, F., Bingham, R.G. and Wadham, J. 2008. Spatial and temporal variability in the snowpack of a high Arctic ice cap: implications for mass change measurements. Annals of Glaciology 48, 159-170.

Bingham, R.G., Hubbard, A.L., Nienow, P.W. and Sharp, M.J. 2008. An investigation into the mechanisms controlling seasonal speed-up events at a High Arctic glacier. Journal of Geophysical Research 113, F02006, doi:10.1029/2007/JF000832.

Colgan, W. and Sharp, M. 2008. Combined oceanic and atmospheric influences on net accumulation on the Devon Island Ice Cap, Nunavut, Canada. Journal of Glaciology 54, 28-40.

2007

Wang, L., Sharp, M., Rivard, B. and Steffen, K. 2007. Melt Season Duration and Ice Layer Formation on the Greenland Ice Sheet, 2000-2004. Journal of Geophysical Research 112, F04013, doi:10.1029/2007JF000760.

Gardner, A.S. and Sharp, M. 2007. Influence of the Arctic Circumpolar Vortex on the Mass Balance of Canadian high Arctic Glaciers. Journal of Climate 20, 4586–4598.

St Louis, V., Hintelmann, H., Graydon, J.A., Kirk, J.L., Barker, J., Dimock, B., Steffen, A., Sharp, M.J., and  Lehnherr, I. Methylated Mercury Species in Canadian High Arctic Marine Surface Waters and Snowpacks. 2007. Environmental Science and Technology. Published on-line, August 21 2007. 9pp.

DeBeer, C. and Sharp, M.  2007 . Recent changes in glacier area and volume within the southern Canadian Cordillera. Annals of Glaciology 46, 215-221.

Willerslev, E., Cappellini, E., Boomsma, W., Nielsen R., Hebsgaard, M.B.1, Brand, T.B., Hofreiter, M., Bunce, M., Poinar, H.N.,  Dahl-Jensen, D., Johnsen, S., Steffensen, J-P., Bennike, O., Schwenninger, J-L, Nathan, R., Armitage, S., de Hoog, C-J., Alfimov, V., Christl, M., Beer, J., Muscheler, R., Barker, J., Sharp, M., Penkman, K.E.H., Haile, J., Taberlet, P., Gilbert, M.T.P.,  Casoli, A., Campani, E., and Collins, M.J. 2007. Ancient biomolecules from deep ice cores reveal a forested southern Greenland. Science 317, 111-114.

Atkinson, D.E., Brown, R., Alt, B.,  Agnew, T., Bourgeois, J., Burgess, M., Duguay, C., Henry, G., Jeffers, S., Koerner, R., Lewkowicz, A.G.,  McCourt, S., Melling, H., Sharp, M., Smith, S., Walker, A., Wilson, K., Wolfe, S., Woo, M-K. and Young, K.L. 2007. Canadian cryospheric response to an anomalous warm summer: A synthesis of the Climate Change Action Fund project “The State of the Arctic Cryosphere During the Extreme Warm Summer of 1998”. Atmosphere-Ocean 44, 347-375.

Marshall, S., M.Sharp, D.O.Burgess, and F.Anslow. 2007. Surface temperature lapse rate variability on the Prince of Wales Icefield, Ellesmere Island, Canada: Implications for regional-scale downscaling of temperature. International Journal of Climatology 27, 385-398.

2006

Kirk, J.L., St. Louis, V. and Sharp, M. 2006. Reduction and Reemission of Mercury Deposited Into Snowpacks During Atmospheric Mercury Depletion Events At Churchill, Manitoba. Environmental Science and Technology 40, 7590-7596.

Bingham, R.G., Nienow, P.W., Sharp, M.J., and Copland, L. 2006. Hydrology and dynamics of a polythermal (mostly cold) High Arctic glacier. Earth Surface Processes and Landforms 31, 1463-1479.

Lafreniere, M., J.Blais, M.Sharp, and D.Schindler. 2006. Variations in organochlorine concentrations in snow, snowmelt and runoff at Bow Lake, Alberta. Environmental Science and Technology 40, 4909-4915. (PDF)

Brock, B., I.Willis, and M.Sharp. 2006. Measurement and parameterization of aerodynamic roughness length variations at Haut Glacier d’Arolla, Switzerland. Journal of Glaciology 52, 281-297.

Bhatia, M., M.Sharp and J.Foght. 2006. Distinct bacterial communities exist beneath a high Arctic polythermal glacier. Applied and Environmental Microbiology 72, 5838-5845.

Barker, J., M.Sharp, S. Fitzsimons and R.J.Turner. 2006. Organic carbon abundance and dynamics in glacier systems. Arctic, Antarctic and Alpine Research 38, 163-172.

2005

Mair, D., Burgess, D. and Sharp, M. 2005. 37-year mass balance of the Devon Island Ice Cap, Nunavut, Canada, determined by shallow ice coring and melt modelling. Journal of Geophysical Research (Earth Surface) 110, F01011, doi:10.1029/2003JF000099.

Wang, L., Sharp, M., Brown, R., Derksen, C. and Rivard, B. 2005. Evaluation of spring snow-covered area depletion in the Canadian Arctic from NOAA snow charts. Remote Sensing of Environment 95, 453-463.

St.Louis, V., Sharp, M. and 8 others. 2005. Some sources and sinks of monomethyl and inorganic mercury on Ellesmere Island in the Canadian high Arctic. Environmental Science and Technology 39, 2686-2701.

Lafreniere, M. and Sharp, M. 2005., A comparison of solute fluxes and sources from glacial and non-glacial catchments over contrasting melt seasons. Hydrological Processes 19, 2991-3012.

Nienow, P., Hubbard, A., Chandler, D., Hubbard, B., Mair, D., Sharp, M. and Willis I. 2005. Hydrological controls on diurnal ice flow variability in valley glaciers. Journal of Geophysical Research 110, F04002, doi:10.1029/2003JF000112.

Wang, L., Sharp, M., Rivard, B., Marshall, S.J. and Burgess, D. 2005. Melt Season Duration on Canadian Arctic Ice Caps, 2000-2004. Geophysical Research Letters 32, L19502, doi:10.1029/2005GL023962.

Skidmore, M., Anderson, S.P., Sharp, M., Foght, J.M. and Lanoil, B. 2005. Comparison of microbial community composition in two subglacial environments reveals a possible role for microbes in chemical weathering processes. Applied and Environmental Microbiology 71, 6986-6997.

Bingham, R.G., Nienow, P.W., Sharp, M. and Boon, S. 2005. Subglacial drainage processes at a High-Arctic polythermal valley glacier. Journal of Glaciology 51, 15-24.

Sharp, M. 2005. Subglacial Drainage. Encyclopaedia of Hydrological Sciences 2587-2600.

Burgess, D., Sharp, M., Mair, D., Dowdeswell, J. and Benham, T. 2005. Flow dynamics and iceberg calving rates of the Devon Ice Cap, Nunavut, Canada. Journal of Glaciology 51, 219-230.

2004

Dowdeswell, J.A., Benham, T.J., Gorman, M.R., Burgess, D., and  Sharp, M. 2004. Form and flow of the Devon Island Ice Cap, Canadian Arctic. Journal of Geophysical Research (Earth Surface) 109, F02002, doi:10.1029/2003JF000095.

Burgess, D. and Sharp, M. 2004. Recent changes in areal extent of the Devon Island Ice Cap, Nunavut, Canada. Arctic, Antarctic and Alpine Research 36, 261-271.

Lafreniere, M.J. and Sharp, M.J. 2004. The concentration and fluorescence of Dissolved Organic Carbon (DOC) in glacial and non-glacial catchments: interpreting hydrological flow routing and DOC sources. Arctic, Antarctic and Alpine Research 36, 156-165.

Skidmore, M., Sharp, M. and Tranter, M. 2004. Fractionation of carbon isotopes during the weathering of carbonates in glaciated catchments: implications for detection of microbial CO2: I. Kinetic effects during the initial phases of dissolution in laboratory experiments. Geochimica et Cosmochimica Acta 68, 4309–4317.

2003

Lafreniere, M. and Sharp, M. 2003. Wavelet analysis of interannual variability in the runoff regimes of glacial and nival stream catchments, Bow Lake, Alberta. Hydrological Processes 17, 1093-1118.

Boon, S., Sharp, M. and Nienow, P. 2003. Impact of an extreme melt event on the runoff and hydrology of a high Arctic glacier. Hydrological Processes 17, 1051-1072.

Boon, S. and Sharp, M. 2003. The role of hydrologically-driven ice fracture in drainage system evolution on an Arctic glacier. Geophysical Research Letters 30, doi:10.1029/2003GL018034. (4pp)

Copland, L., Sharp, M. and Dowdeswell, J. 2003. The distribution and flow characteristics of surge-type glaciers in the Canadian high Arctic. Annals of Glaciology 36, 73-81.

Bingham, R., Nienow, P. and Sharp, M. 2003. Intra-annual and intra-seasonal flow dynamics of a High Arctic polythermal valley glacier. Annals of Glaciology 37, 181-188.

Copland, L., Sharp, M. and Nienow, P. 2003. Links between short-term velocity variations and the subglacial hydrology of a polythermal glacier. Journal of Glaciology 49, 337-348.

Copland, L., Sharp, M., Nienow, P. and Bingham, R. 2003. The distribution of basal motion beneath a high Arctic polythermal glacier. Journal of Glaciology 49, 407-414.

2002

Sharp, M., Creaser, R.A. and Skidmore, M. 2002. Strontium isotope composition of runoff from a glaciated carbonate terrain. Geochimica et Cosmochimica Acta 66, 595-614.

Arnold, N.S. and Sharp, M. 2002. Flow variability in the Scandinavian ice sheet: modelling the coupling between ice sheet flow and hydrology. Quaternary Science Reviews 21, 485-502.

Tranter, M., Sharp, M., Lamb, H.R., Brown, G.H., Hubbard, B.P. and Willis, I.C. 2002. Geochemical weathering at the bed of Haut Glacier d'Arolla, Switzerland - a new model. Hydrological Processes 16, 959-994.

Jones, I.W., Munhoven, G., Tranter, M., Huybrechts, P. and Sharp, M. 2002. Modelled glacial and non-glacial HCO3-, Si and Ge fluxes since the LGM: little potential for impact on atmospheric CO2 concentrations and a potential proxy of continental chemical erosion, the marine Ge:Si ratio. Global and Planetary Change 33, 139-153.

Tranter, M., Huybrechts, P., Munhoven, G., Sharp, M., Brown, G.H., Jones, I.W., Hodson, A.J., Hodgkins, R., and Wadham, J. L. 2002. Glacial bicarbonate, sulphate and base cation fluxes during the last glacial cycle, and their potential impact on atmospheric CO2. Chemical Geology 190, 33-44.

Sharp, M., Skidmore, M. and Nienow, P. 2002. Seasonal and spatial variations in the chemistry of a high Arctic supraglacial snowcover. Journal of Glaciology 48, 149-158.

Mair, D., Nienow, P., Sharp, M., Willis, I., and Wohlleben, T. 2002. Influence of Subglacial Drainage System Evolution on Glacier Surface Motion: Haut Glacier d’Arolla, Switzerland. Journal of Geophysical Research 107 (B8), 10.1029/2001JB000514.

Mair, D., Sharp, M, and Willis. I. 2002. Evidence for basal cavity opening from analysis of surface uplift during a high velocity event: Haut Glacier d’Arolla, Switzerland. Journal of Glaciology 48, 208-216.

2001

Lamoureux, S. F., England, J., Sharp, M. and Bush, A. 2001. A varve record of Little Ice Age rainfall associated with volcanic activity, Arctic Archipelago, Canada. The Holocene 11, 243-249.

Gordon, S., Sharp, M., Hubbard, B., Willis, I., Smart, C.C., Copland, L., Harbor, J., and Ketterling, B. 2001. Borehole drainage and its implications for the investigation of glacier hydrology: experiences from Haut Glacier d'Arolla, Switzerland. Hydrological Processes 15, 797-813.

Mair, D., Nienow, P., Willis, I. and Sharp, M. 2001. Interpretation of glacier dynamics during an early melt season high velocity event. Journal of Glaciology 47, 9-20.

Blais, J.M., Schindler, D.W., Muir, D.C.G., Sharp, M., Donald, D., Lafreniere, M., Braekevelt, E., Strachan, W.M.J., Comba, M. and Backus, S. 2001. Melting glaciers: a major source of persistent organochlorines to subalpine Bow Lake in Banff National Park, Canada. Ambio 30, 410-415.

Blais, J.M., Schindler, D.W., Sharp, M., Braekevelt, E., Lafreniere, M., Muir, D.C.G., and Strachan, W.M.J. 2001. Fluxes of semivolatile organochlorines in Bow Lake, a remote high altitude, glacier-fed sub-alpine lake in the Canadian Rocky Mountains. Limnology and Oceanography 46, 2019-2031.

Copland, L. and Sharp, M. 2001. Mapping thermal and hydrological conditions beneath a polythermal glacier using radio echo sounding. Journal of Glaciology 47, 232-242.

2000

Skidmore, M.L., Foght, J.M., and Sharp, M.J. 2000. Microbial life beneath a High Arctic glacier. Applied and Environmental Microbiology 66, 3214-3220.

Brock, B.W., Willis, I.C., Sharp, M.J. and Arnold, N.S. 2000. Modelling seasonal and spatial variations in the surface energy balance of Haut Glacier d'Arolla, Switzerland. Annals of Glaciology 31, 53-62.

Lawson, W.J., Sharp, M.J, and Hambrey, M.J. 2000. Deformation histories and structural assemblages of glacier ice in a non-steady flow regime. In Maltman, A.J., Hambrey, M.J. and Hubbard, B.P. (eds) Deformation of Glacial Materials. Geological Society of London Special Publications 176,  85-96.

Hubbard, A., Willis, I., Sharp, M., Nienow, P., Mair, D. and Hubbard, B. 2000. Glacier mass balance determination by remote sensing and high resolution modelling. Journal of Glaciology 46, 491-498.

Brock, B.W., Willis, I.C. and Sharp, M. 2000. Measurement and parameterisation of albedo variations at Haut Glacier d’Arolla, Switzerland. Journal of Glaciology 46, 675-688.