Potential positive feedback between Greenland Ice Sheet melt and Baffin Bay heat content on the west Greenland shelf

Geophysical Research Letters

Volumn 42, Issue 12, 2015, Pages 4922-4930

  Castro De La Guardia, Laura ^a   Hu, Xianmin ^a   Myers, Paul G ^a  

^a UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Baffin Bay; CAA freshwater transport; Greenland ice sheet melt; heat content; west Greenland Irminger water

Indexed keywords

ENTHALPY; FEEDBACK; GLACIERS; RUNOFF; SEA ICE; SURFACE WATERS; WATER;

BAFFIN BAY; CANADIAN ARCTIC ARCHIPELAGO; FRESHWATER TRANSPORTS; GREENLAND ICE SHEET; GYRE CIRCULATION; NUMERICAL EXPERIMENTS; SEA SURFACE HEIGHT; WEST GREENLAND;

ICE;

FEEDBACK MECHANISM; FJORD; FRESHWATER; GYRE; HEAT FLOW; ICE-OCEAN INTERACTION; MELTWATER; NUMERICAL MODEL; RUNOFF; SEA SURFACE HEIGHT; STRATIFICATION; WATER EXCHANGE;

ARCTIC; ARCTIC OCEAN; ATLANTIC OCEAN; BAFFIN BAY [ARCTIC OCEAN]; CANADA; CANADIAN ARCTIC; DAVIS STRAIT; GREENLAND; GREENLAND ICE SHEET; IRMINGER CURRENT; WEST GREENLAND;

EID: 84948714444     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/2015GL064626     Document Type: Article

References (41)

1. Azetsu-Scott, K., B. Petrie, P. Yeats, and, C. Lee, (2012), Composition and fluxes of freshwater through Davis Strait using multiple chemical tracers, J. Geophys. Res., 117, C12011, doi: 10.1029/2012JC008172.
2. Bamber, J., M. den Broeke, J. Ettema, J. Lenaerts, and, E. Rignot, (2012), Recent large increases in freshwater fluxes from Greenland into the North Atlantic, Geophys. Res. Lett., 39, L19501, doi: 10.1029/2012GL052552.
3. Barnier, B., et al., (2006), Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution, Ocean Dyn., 56 (5), 543-567, doi: 10.1007/s10236.
4. Brunnabend, S.-E., J. Schröter, R. Timmermann, R. Rietbroek, and, J. Kusche, (2012), Modeled steric and mass-driven sea level change caused by Greenland ice sheet melting, J. Geodyn., 59-60, 219-225, doi: 10.1016/j.jog.2011.06.001.
5. Church, J., et al., (2013), Sea level change, in Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, edited by, T. F. Stocker, et al., pp. 1137-1216, chap. 13, Cambridge Univ. Press, Cambridge, U. K., and New York, doi: 10.1017/CBO9781107415324.026
6. Curry, B., C. M. Lee, and, B. Petrie, (2011), Volume, freshwater, and heat fluxes through Davis Strait, 2004-05, J. Phys. Oceanogr., 41 (3), 429-436, doi: 10.1175/2010JPO4536.1.
7. Curry, B., C. M. Lee, B. Petrie, R. E. Moritz, and, R. Kwok, (2014), Multiyear volume, liquid freshwater, and sea ice transports through Davis Strait, 2004-10, J. Phys. Oceanogr., 44, 1244-1266, doi: 10.1175/JPO-D-13-0177.1.
8. Dai, A., T. Qian, K. E. Trenberth, and, J. D. Milliman, (2009), Changes in continental freshwater discharge from 1948 to 2004, J. Clim., 22, 2773-2791.
9. Gladish, C. V., D. M. Holland, and, C. M. Lee, (2015), Oceanic boundary conditions for Jakobshavn Glacier: Part II. Provenance and sources of variability of Disko Bay and Ilulissat Icefjord waters, 1990-2011, J. Phys. Oceanogr., 45 (1), 33-63, doi: 10.1175/JPO-D-14-0045.1.
10. Holland, D. M., R. H. Thomas, B. de Young, M. H. Ribergaard, B. Lyberth, M. M. Holland, J. Finnis, A. P. Barrett, and, M. C. Serreze, (2008), Acceleration of Jakobshavn Isbrae triggered by warm subsurface ocean waters, Nat. Geosci., 1, 659-664, doi: 10.1038/ngeo316.
11. Hu, X., and, P. G. Myers, (2013), A Lagrangian view of Pacific water inflow pathways in the Arctic Ocean during model spin-up, Ocean Modell., 71, 66-80, doi: 10.1016/j.ocemod.2013.06.007.
12. Hu, X., and, P. G. Myers, (2014), Changes to the Canadian Arctic Archipelago sea ice and freshwater fluxes in the twenty-first century under the Intergovernmental Panel on Climate Change A1B climate scenario, Atmos. Ocean, 52 (4), 331-350, doi: 10.1080/07055900.2014.942592.
13. Johannessen, O. M., A. Korablev, V. Miles, M. W. Miles, and, K. E. Solberg, (2011), Interaction between the warm subsurface Atlantic water in the Sermilik fjord and Helheim glacier in southeast Greenland, Surv. Geophys., 32 (4), 387-396, doi: 10.1007/s10712-011-9130-6.
14. Joughin, I., I. Howat, R. B. Alley, G. Ekstrom, M. Fahnestock, T. Moon, M. Nettles, M. Truffer, and, V. C. Tsai, (2008), Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq glaciers, Greenland, J. Geophys. Res., 113, F01004, doi: 10.1029/2007JF000837.
15. Kliem, N., and, D. A. Greenberg, (2003), Diagnostic simulations of the summer circulation in the Canadian Arctic Archipelago, Atmos. Ocean, 41 (4), 273-289, doi: 10.3137/ao.410402.
16. Large, W. G., and, S. G. Yeager, (2004), Diurnal to decadal global forcing for ocean and sea-ice models: The datasets and flux climatologies, NCAR Tech. Note TN-460+ STR, Natl. Cent. for Atmos. Res., Boulder, Colo.
17. Lewis, S. M., and, L. C. Smith, (2009), Hydrologic drainage of the Greenland ice sheet, Hydrol. Processes, 23 (14), 2004-2011, doi: 10.1002/hyp.7343.
18. Loyd, J., M. Moros, K. Perner, R. J. Telford, A. Kuijpers, E. Jansen, and, D. McCarthy, (2011), A 100 year record of ocean temperature control on the stability of Jakobshavn Isbræ, west Greenland, Geology, 39, 131-139, doi: 10.1130/G32076.1.
19. Madec, G., and, the Nucleus for European Modelling of the Ocean team, (2008), NEMO ocean engine, Note du Pôle de modélisation. Institut Pierre-Simon Laplace (IPSL), France, No 27, ISSN No 1288-1619.
20. Marsh, R., D. Desbruyeres, J. L. Bamber, B. A. De Cuevas, A. C. Coward, and, Y. Aksenov, (2010), Short-term impacts of enhanced Greenland freshwater fluxes in an eddy-permitting ocean model, Ocean Sci., 6 (3), 749-760, doi: 10.5194/os-6-749-2010.
21. Martin, T., and, A. Adcroft, (2010), Parameterizing the fresh-water flux from land ice to ocean with interactive icebergs in a coupled climate model, Ocean Modell., 34 (3-4), 111-124, doi: 10.1016/j.ocemod.2010.05.001.
22. McGeehan, T., and, W. Maslowski, (2012), Evaluation and control mechanisms of volume and freshwater export through the Canadian Arctic Archipelago in a high-resolution pan-Arctic ice-ocean model, J. Geophys. Res., 117, C00D14, doi: 10.1029/2011JC007261.
23. Mernild, S. H., and, G. E. Liston, (2012), Greenland freshwater runoff: Part II. Distribution and trends, 1960-2010, J. Clim., 25 (17), 6015-6035.
24. Mortensen, J., K. Lennert, J. Bendtsen, and, S. Rysgaard, (2011), Heat sources for glacial melt in a sub-Arctic fjord (Godthåbsfjord) in contact with the Greenland ice sheet, J. Geophys. Res., 116, C01013, doi: 10.1029/2010JC006528.
25. Motyka, R. J., M. Truffer, M. Fahnestock, J. Mortensen, S. Rysgaard, and, I. Howat, (2011), Submarine melting of the 1985 Jakobshavn Isbræ floating tongue and the triggering of the current retreat, J. Geophys. Res., 116, F01007, doi: 10.1029/2009JF001632.
26. Myers, P. G., (2005), Impact of freshwater from the Canadian Arctic Archipelago on Labrador Sea water formation, Geophys. Res. Lett., 32, L06605, doi: 10.1029/2004GL022082.
27. Myers, P. G., and, M. H. Ribergaard, (2013), Warming of the polar water layer in Disko Bay and potential impact on Jakobshavn Isbræ, J. Phys. Oceanogr., 43 (12), 2629-2640, doi: 10.1175/JPO-D-12-051.1.
28. Myers, P. G., N. Kulan, and, M. H. Ribergaard, (2007), Irminger Water variability in the west Greenland current, Geophys. Res. Lett., 34, L17601, doi: 10.1029/2007GL030419.
29. Myers, P. G., C. Donnelly, and, M. H. Ribergaard, (2009), Structure and variability of the west Greenland current in summer derived from 6 repeat standard sections, Prog. Oceanogr., 80 (1), 93-112, doi: 10.1016/j.pocean.2008.12.003.
30. Peterson, I., J. Hamilton, S. Prinsenberg, and, R. Pettipas, (2012), Wind-forcing of volume transport through Lancaster Sound, J. Geophys. Res., 117, C11018, doi: 10.1029/2012JC008140.
31. Pritchard, H. D., S. R. M. Ligtenberg, H. A. Fricker, D. G. Vaughan, M. R. van den Broeke, and, L. Padman, (2012), Antarctic ice-sheet loss driven by basal melting of ice shelves, Nature, 484 (1-2), 502-505, doi: 10.1038/nature10968.
32. Rignot, E., and, K. Steffen, (2008), Channelized bottom melting and stability of floating ice shelves, Geophys. Res. Lett., 35, L02503, doi: 10.1029/2007GL031765.
33. Rignot, E., M. Koppes, and, I. Velicogna, (2010), Rapid submarine melting of the calving faces of west Greenland glaciers, Nat. Geosci., 3 (3), 187-191, doi: 10.1038/ngeo765.
34. Rudels, B., (2011), Volume and freshwater transports through the Canadian Arctic Archipelago-Baffin Bay system, J. Geophys. Res., 116, C00D10, doi: 10.1029/2011JC007019.
35. Steele, M., R. Morley, and, W. Ermold, (2001), PHC: A global ocean hydrography with a high-quality Arctic Ocean, J. Clim., 14 (9), 2079-2087.
36. Straneo, F., and, P. Heimbach, (2013), North Atlantic warming and the retreat of Greenland's outlet glaciers, Nature, 504 (7478), 36-43, doi: 10.1038/nature12854.
37. Straneo, F., G. S. Hamilton, D. A. Sutherland, L. A. Stearns, F. Davidson, M. O. Hammill, G. B. Stenson, and, A. Rosing-Asvid, (2010), Rapid circulation of warm subtropical waters in a major glacial fjord in east Greenland, Nat. Geosci., 3 (3), 182-186, doi: 10.1038/ngeo764.
38. Tang, C. L., C. K. Ross, T. Yao, B. Petrie, B. M. DeTracey, and, E. Dunlap, (2004), The circulation, water masses and sea-ice of Baffin Bay, Prog. Oceanogr., 63 (4), 183-228, doi: 10.1016/j.pocean.2004.09.005.
39. van den Broeke, M., J. Bamber, J. Ettema, E. Rignot, E. Schrama, W. J. van de Berg, E. van Meijgaard, I. Velicogna, and, B. Wouters, (2009), Partitioning recent Greenland mass loss, Science, 326 (5955), 984-986, doi: 10.1126/science.1178176.
40. Yankovsky, A. E., and, I. Yashayaev, (2014), Surface buoyant plumes from melting icebergs in the Labrador Sea, Deep Sea Res., Part I, 91, 1-9, doi: 10.1016/j.dsr.2014.05.014.
41. Zweng, M. M., and, A. Münchow, (2006), Warming and freshening of Baffin Bay, 1916-2003, J. Geophys. Res., 111, C07016, doi: 10.1029/2005JC003093.