Stronger ocean circulation and increased melting under Pine Island Glacier ice shelf

Nature Geoscience

Volumn 4, Issue 8, 2011, Pages 519-523

  Jacobs, Stanley S ^a   Jenkins, Adrian ^b   Giulivi, Claudia F ^a   Dutrieux, Pierre ^b  

^a Department of Earth and Environmental Sciences   (United States)

^b BRITISH ANTARCTIC SURVEY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL MELTING; CONTINENTAL SHELF; CRUSTAL THINNING; FREEZING; ICE SHELF; OCEANIC CIRCULATION; SEAWATER; STEADY-STATE EQUILIBRIUM; TRACER; VOLUME;

AMUNDSEN SEA; ANTARCTICA; PINE ISLAND GLACIER; SOUTHERN OCEAN; WEST ANTARCTICA;

EID: 79961052355     PISSN: 17520894     EISSN: 17520908     Source Type: Journal    
DOI: 10.1038/ngeo1188     Document Type: Article

References (24)

1. Jacobs, S. S., Hellmer, H. H. & Jenkins, A. Antarctic ice sheet melting in the southeast Pacific. Geophys. Res. Lett. 23, 957-960 (1996).
2. Jenkins, A. et al. Glaciological and oceanographic evidence of high melt rates beneath Pine Island Glacier, West Antarctica. J. Glaciol. 43, 114-121 (1997).
3. Hellmer, H. H., Jacobs, S. S. & Jenkins, A. in Ocean Erosion of a Fast-Moving Antarctic Glacier in the Amundsen Sea 83-99 (Ant. Res. Ser., 75, AGU, 1998).
4. Rignot, E. Fast recession of a West Antarctic glacier. Science 281, 549-551 (1998). (Pubitemid 28357367)
5. Shepherd, A., Wingham, D. J., Mansley, J. A. D. & Corr, H. F. J. Inland thinning of Pine Island Glacier, West Antarctica. Science 291, 862-864 (2001). (Pubitemid 32120755)
6. Joughin, I., Rignot, E., Rosanova, C. E., Lucchitta, B. K. & Bohlander, J. Timing of recent accelerations of Pine Island Glacier, Antarctica. Geophys. Res. Lett. 30, 1706 (2003).
7. Shepherd, A., Wingham, D. J. & Rignot, E. Warm ocean is eroding West Antarctic Ice Sheet. Geophys. Res. Lett. 31, L23402 (2004).
8. Payne, A. et al. Numerical modeling of ocean-ice interactions under Pine Island Bay's ice shelf. J. Geophys. Res. 112, C10019 (2007).
9. Rignot, E. Changes in West Antarctic ice stream dynamics observed with ALOS PALSAR data. Geophys. Res. Lett. 35, L12505 (2008).
10. Wingham, D. J., Wallis, D. W.&Shepherd, A. Spatial and temporal evolution of Pine Island Glacier thinning, 1995-2006. Geophys. Res. Lett. 36, L17501 (2009).
11. Jenkins, A. et al. Observations beneath Pine Island Glacier in West Antarctica and implications for its retreat. Nature Geosci. 3, 468-472 (2010).
12. Dinniman, M. S., Klinck, J. M. & Smith, W. O. Jr Cross-shelf exchange in a model of the Ross Sea circulation and biogeochemistry. Deep-Sea Res. II 50, 3103-3120 (2003). (Pubitemid 37537790)
13. Walker, D. P. et al. Oceanic heat transport onto the Amundsen Sea shelf through a submarine glacial trough. Geophys. Res. Lett. 34, L02602 (2007).
14. Thoma, M., Jenkins, A., Holland, D. M. & Jacobs, S. S. Modelling Circumpolar Deep Water intrusions on the Amundsen Sea continental shelf, Antarctica. Geophys. Res. Lett. 35, L18602 (2008).
15. Gade, H. G. Melting of ice in seawater: A primitive model with application to the Antarctic ice shelf and icebergs. J. Phys. Oceanogr. 9, 189-198 (1979).
16. Jacobs, S. S., Huppert, H. E., Holdsworth, G. & Drewry, D. J. Thermohaline steps induced by melting of the Erebus Glacier Tongue. J. Geophys. Res. 86, 6547-6555 (1981).
17. Jenkins, A. & Jacobs, S. S. Circulation and melting beneath George VI Ice Shelf, Antarctica. J. Geophys. Res. 113, C04013 (2008).
18. Joughin, I., Smith, B. E. & Holland, D. M. Sensitivity of 21st century sea level to ocean-induced thinning of Pine Island Glacier, Antarctica. Geophys. Res. Lett. 37, L20502 (2010).
19. Holland, P. R., Jenkins, A. & Holland, D. M. The response of ice-shelf basal melting to variation in ocean temperature. J. Clim. 21, 2558-2572 (2008).
20. Little, C. M., Gnanadesikan, A. & Oppenheimer, M. How ice shelf morphology controls basal melting. J. Geophys. Res. 114, C12007 (2009).
21. MacAyeal, D. R. Thermohaline circulation below the Ross Ice Shelf: A consequence of tidally induced vertical mixing and basal melting. J. Geophys. Res. 89, 597-606 (1984).
22. Jenkins, A. The impact of melting ice on ocean waters. J. Phys. Oceanogr. 29, 2370-2381 (1999). (Pubitemid 30079284)
23. Wunsch, C. The North Atlantic general circulation west of 50°W determined by inverse methods. Rev. Geophys. Space Phys. 16, 583-620 (1978). (Pubitemid 9413437)
24. Nitsche, F. O., Jacobs, S. S., Larter, R. D. & Gohl, K. Bathymetry of the Amundsen Sea continental shelf: Implications for geology, oceanography and glaciology. Geochem. Geophys. Geosyst. 8, Q100009 (2007).