latest news

11.04.2013

David Clemens-Sewall '14 has arrived at McMurdo Station, Antarctica, after spending over 25 hours in four different aircraft. David, who is currently working with Bob Hawley on the Roosevelt Island Climate Evolution (RICE) Project, is currently keeping the world abreast of his goings-on in his blog "Adventures at the Ends of the Earth".

08.08.2013

Kristin has recently returned from Greenland. She was participating in the summer field seminar portion of the IGERT Polar Environmental Change program. Read about their adventures here.

04.11.2013

One of this year's two recipients of the Graduate Faculty Mentoring Award is our very own Professor Bob Hawley! Check it out: here

other information

Last updated 08.01.2013

Peer Reviewed Literature

Wong, G.J., R.L. Hawley, E.R. Lutz, and E.C. Osterberg. 2013. Trace-element and physical response to melt percolation in Summit (Greenland) snow. Annals of Glaciology, 54(63), 52-62.

Kehrl, L.M., R.L. Hawley, R.D. Powell, and J. B-Grette. 2011. Glacimarine sedimentation processes at Kronebreen and Kongsvegen Glaciers, Svalbard. Journal of Glaciology, 57(205), 841-847.

Hawley, R.L., E.D. Waddington. 2011. In-Situ Measurements of Firn Compaction Profiles Using Borehole Optical Stratigraphy. Journal of Glaciology, 57(202), 289-294.

Siegfried, M.R., R.L. Hawley, and J.F. Burkhart. 2011. High-resolution ground-based GPS measurements show inter-campaign bias in ICESat elevation data. IEEE Transactions on Geoscience and Remote Sensing, 49(10).

Hawley, R.L., A.P. Shepherd, R. Cullen, V. Helm, and D. Wingham. 2009. Ice-Sheet elevations from across-track processing of airborne interferometrioc radar altimetry. Geophysical Research Letters, 36, L22501, doi:10.1029/2009GL040416.

Hawley, R.L., E.M. Morris, and J.R. McConnell. 2008. Rapid techniques for determining annual accumulation applied at Summit, Greenland. Journal of Glaciology. 54(188), 839-846.

Brandt, Ola, R.L. Hawley, J. Kohler, J.O. Hagen, E.M. Morris, T. Dunse, J.B.T. Scott, and T. Eiken. 2008. Comparison of airborne radar altimeter and ground-based Ku-band radar measurements on the ice cap Austfonna, Svalbard. The Cryosphere. 2, 777-810.

Hawley, R.L., Ola Brandt, E.M. Morris, Jack Kohler, Andrew P. Shepherd, Duncan J. Wingham. 2008. Techniques for measuring high-resolution firn desntiy profiles: case study from Kongsvegen, Svalbard. Journal of Glaciology. 54(186), 463-468.

Hawley, R.L., E.M. Morris. 2006. Borehole Optical Stratigraphy and neutron-scattering density measurements at Summit, Greenland . Journal of Glaciology. 52(179), 491-496.

Bay, R.C., N. Bramall, P.B. Price, G.D. Clow, R.L. Hawley, R. Udisti, E. Castellano. 2006. Globally-synchronous ice core volcanic tracers and abrupt cooling during the Last Glacial Period. Journal of Geophysical Research 111(D11108).

Hawley, R.L., E.M. Morris, R. Cullen, U. Nixdorf, A.P. Shepherd, and D. Wingham. 2005. ASIRAS airborne radar resolves internal annual layers in the dry-snow zone of Greenland. Geophysical Research Letters 33(L04502), doi:10.1029/2005GL025147.

Hawley, R.L., E.D. Waddington, G.L. Lamorey, and K.C. Taylor. 2004. Vertical-strain measurements in firn at Siple Dome, Antarctica. Journal of Glaciology. 50(170), 447-452.

Hawley, R.L., E.D. Waddington, R.B. Alley, and K.C. Taylor. 2003. Annual layers in polar firn detected by Borehole Optical Stratigraphy. Geophysical Research Letters 30(15), doi:10.1029/2003GL017675.

Hawley, R.L., E.D. Waddington, D.L. Morse, N.W. Dunbar, and G.A. Zielinski. 2002. Dating firn cores by vertical strain measurements. Journal of Glaciology. 48(162), 401-406.

Albert, M.R. and R.L. Hawley. 2002. Seasonal changes in surface roughness characteristics at Summit, Greenland: implications for snow and firn ventilation. Annals of Glaciology 35, 510-514.

Albert, M.R. and R.L. Hawley. 2000. Seasonal differences in surface energy exchange and accumulation at Summit, Greenland. Annals of Glaciology 31, 387-390.

Conference Abstracts

Wong, G.J., E.C. Osterberg, Z. Courville, R.L. Hawley, E. Lutz, and T.B. Overly. 2012. Geochemical cycling and depositional patterns across the northwest region of the Greenland Ice Sheet as determined from trace element chemistry. EOS, Trans. AGU, fall meeting supplement, Abstract C51A-0782.

Wong, G.J., T.B. Overly, Z. Courville, R.L. Hawley, E. Lutz, and E.C. Osterberg. 2011. Thule to Summit: Using the physical and chemical properties of shallow firn to describe glacier facies, accumulation, and 55 years of change. EOS, Trans. AGU, fall meeting supplement, Abstract C33A-0625.

Lutz, E., R.L. Hawley, H-P. Marshall, E.C. Osterberg, Z. Courville, T.B. Overly, and G.J. Wong. 2011. Thule to Summit: Understanding the physical properties of northern Greenland near-surface snow and firn. EOS, Trans. AGU, fall meeting supplement, Abstract C33A-0624.

Overly, T.B., G.J. Wong, Z. Courville, R.L. Hawley, E. Lutz, and E.C. Osterberg. 2011. Thule to Summit: Accumulation variability, surface elevation, and satellite altimeter validation from ground-penetrating radar and GPS profils. EOS, Trans. AGU, fall meeting supplement, Abstract C33A-0623.

Wong, G.J., E.C. Osterberg, R.L. Hawley, and Z. Courville. 2010. Artificially induced melt in firn at Summit, Greenland. EOS, Trans. AGU, fall meeting supplement, Abstract C33D-0575.

Hawley, R.L., D. Winski, and E.C. Osterberg. 2009. Recent mass changes of Peyto Glacier, Alberta, from remote sensing and field measurements. EOS, Trans. AGU, fall meeting supplement, Abstract C21D-0461.

Hawley, R.L., E.M. Morris, and O. Brant. 2009. Connecting airborne Ku-band radar measurements to surface-based measurements: Integrating data from ASIRAS, VHB, and physical property measurements from Greenland and Svalbard. EOS, Trans. AGU, fall meeting supplement, Abstract C21E-01.

Kehrl L.M., R.L. Hawley, R.D. Powell, and J. Brigham-Grette. 2009. Fjord floor landforms and processes at the termini of Kongsvegen and Kronebreen Glaciers, Svalbard. EOS, Trans. AGU, fall meeting supplement, Abstract C23C-0504.

Siegfried, M.R., R.L. Hawley, J.F. Burkhart, and S. O'Neel. 2009. A first-order accuracy assessment of GLAS elevation data near Summit, Greenla nd. EOS, Trans. AGU, fall meeting supplement, Abstract G53A-0666.

Hawley, R.L., E.M. Morris, and O. Brant. 2008. High-Resolution borehole/core techniques for snow and firn stratigraphy. EOS, Trans. AGU, fall meeting supplement, Abstract C21C-557.

Brandt, Ola, R.L. Hawley, J. Kohler, J.O. Hagen, E.M. Morris, T. Dunse, J.B.T. Scott, and T. Eiken. 2008. Comparison of airborne radar altimeter and ground-based Ku-band radar measurements on the ice cap Austfonna, Svalbard. IGARSS 2008 meeting, Boston, MA 7-11 July 2008. doi:10.1109/IGARSS.2008.4779686

Hawley, R.L. 2007. (Invited) In-Situ measurements of Firn Compaction using Borehole Optical Stratigraphy. Workshop on the Micrrostructure and Properties of Firn, Dartmouth College, Hanover NH, 10-11 March, 2008.

Hawley, R.L. and A.P. Shepherd. 2007. Across track processing for elevation retrievals from a synthetic aperture, interferometric radar altimeter. IEEE International Geoscience and Remote Sensing Symposium. July 2007, Barcelona, Spain.

Hawley, R.L. and E.D. Waddington. 2006. In-situ measurements of temporal and spatial variability in firn compaction rates at Summit, Greenland using Borehole Optical Stratigraphy. EOS, Trans. AGU, fall meeting supplement, Abstract C41A-229.

Hawley, R.L. 2006 (Invited) Calibration and Validation of Radar for Ice and Snow Studies. CEOS Calibration/Validation workshop. October 2006, Edinburgh, Scotland.

Cullen, R., M.W.J. Davidson, M.R. Drinkwater, C.R. Francis, C. Haas, R.L. Hawley, C.M. Mavrocordatos, E.M. Morris, W. Rack, G. Ratier, P. Viau, and J.D. Wingham. 2006. ESA's New Range of Radar Altimeters for the Extraction of Geophysical Parameters From Land, Sea Ice and Ocean Surfaces. ESA International Symposium, '15 years of progress in Radar Altimetry,' Venice, Italy.

Shepherd, A.P., Z. Du, and R.L. Hawley. 2005. Cryosat Swath-mode elevation retrievals for InSAR baseline control. First international CryoSat workshop, ESA Esrin, Frascatti, Italy.

Hawley, R.L., E.M. Morris, and E.D. Waddington. 2004. Borehole Optical Stratigraphy and Neutron Scattering Density Measurements at Summit, Greenland. EOS, Trans. AGU, fall meeting supplement, Abstract C31B-0323.

Hawley, R.L. and E.M. Morris. 2004. How snow/firn density affects scattering of visible light: Current events in Borehole Optical Stratigraphy. Northwest Glaciologists Meeting, November 2004.

Hawley, R.L., E.D. Waddington, J.R. McConnell, and D.P. Winebrenner. 2003. Lightweight shallow ice coring and borehole logging can provide decadal- to millennial-scale indicators of climate change around the arctic basin. SEARCH Open Science Meeting, Seattle, Washington.

Hawley, R.L., and E.D. Waddington. 2002. Borehole Optical Stratigraphy: Investigating Paleoclimate through the optical properties of ice. EOS, Trans. AGU, 83(47) fall meeting supplement, Abstract C62A-0907.

Dibb, J.E., R.L. Hawley, S. Sturges, and P Austin. 1998. Air-Snow Relationships at Summit, Greenland: The 1997-1998 Winter-Over Experiment. EOS, Trans. AGU, 79(45) fall meeting supplement, Abstract H12H-02.

Hawley, R.L., and M.R. Albert. 1998. Physical snow surface characteristics during the 1997-1998 winter-over experiment at Summit, Greenland. EOS, Trans. AGU, 83(47) fall meeting supplement, Abstract H12H-09.

Albert, M.R. and R.L. Hawley. 1998. Meteorology and surface energy balance during the 1997-1998 winter-over experiment at Summit, Greenland. EOS, Trans. AGU, 83(47) fall meeting supplement, Abstract H12H-12.

Blake, N.J., D.R. Blake, F.S. Rowland, J.E. Dibb, R.L. Hawley, S. Sturges, and J.D. Kahl. 1998. Year-Round Measurements of Atmospheric Nonmethane Hydrocarbons, Halocarbons, and Light Alkyl Nitrates at Summit, Greenland Between June 1997 and April 98. EOS, Trans. AGU, 83(47) fall meeting supplement, Abstract H12H-05.

Arsenault, M.A., J.E. Dibb, R.L. Hawley, and S. Sturges. 1998. Soluble ionic composition at Summit, Greenland, from the 1997-1998 winter-over. EOS, Trans. AGU, 83(47) fall meeting supplement, Abstract H12H-07.

Hawley, R.L., G.D. Clow, E.D. Waddington, J. Fitzpatrick, and J. Dibb. 1997. Recent climate from physical properties of firn at Taylor Dome, Antarctica. International Symposium on Antarctica and Global Change, Hobart, Australia.