* denotes first author student  |  ** denotes first author postdoc/visiting professor

Journals

**Li, H., H. Xie, S. Kern, W. Wan, B. Ozsoy, S. Ackley, and Y. Hong, 2018. Spatio-temporal variability of Antarctic sea-ice thickness and volume obtained from ICESat data using an innovative algorithm, Remote Sensing of Environment, vol 219: 44-61. doi:10.106.j.rse.2018.09.031

Wang, X.W., F. Guan, J. Liu, H. Xie, and S. Ackley, 2016. An improved approach of total freeboard retrieval with IceBridge Airborne Topographic Mapper (ATM) elevation and Digital Mapping System (DMS) images. Remote Sensing of Environment 184: 582-594. doi:10.1016/j.rse.2016.08.002

Carnat G, Brabant F, Dumont I, Vancoppenolle M, Ackley SF, et al., 2016. Influence of short-term synoptic events and snow depth on DMS, DMSP, and DMSO dynamics in Antarctic spring sea ice. Elem Sci Anth 4: 000135. doi:10.12952/journal.elementa.000135

Kennicutt, M.C., et al (incl Ackley, S), 2016. Delivering 21st century Antarctic and Southern Ocean science, Antarctic Science, 28(6), pp. 407–423. doi:10.1017/S0954102016000481

Ackley, S., H. Xie, and E. Tichenor, 2015. Ocean heat flux under Antarctic sea ice in the Bellingshausen and Amundsen Seas: Two case studies. Annals of Glaciology. 56(69). doi:10.3189/2015AoG69A890

De Jong, J.T.M., Stammerjohn, S.E., Ackley, S.F., Tison, J.-L., Mattielli, N., Schoemann, V., 2015. Sources and fluxes of dissolved iron in the Bellingshausen Sea (West Antarctica): the importance of sea ice, icebergs and the continental margin, Marine Chemistry. doi:10.1016/j.marchem.2015.08.004

Geilfus, N.X., J.L.Tison, S.F. Ackley, R.J. Gulley, S. Rysgaard, L.A. Miller, B. Delille, 2014. Sea Ice pCO₂ dynamics and air-ice CO₂ Fluxes during the Sea Ice Mass Balance in the Antarctic (SIMBA) experiment-Bellingshausen Sea, Antarctica, The Cryosphere, 8, 2395-2407. doi:10.5194/tc-8-2395-2014

*Ozsoy-Cicek, B., S. Ackley, H. Xie, D. Yi, and J. Zwally, 2013. Sea ice thickness retrieval algorithms based on in-situ surface elevation and thickness values for application to altimetry. Journal of Geophysical Research. doi:10.1002/jgrc.20252

Xie, H., A. Tekeli, S. Ackley, D. Yi, and J. Zwally, 2013. Sea ice thickness estimations from ICESat Altimetry over the Bellingshausen and Amundsen Seas, 2003-2009, Journal of Geophysical Research. doi:10.1002/jgrc.20179

Wang, X., H. Xie, Y. Ke, SF Ackley, and L. Liu, 2013. A method to automatically determine sea level for referencing snow freeboards and computing sea ice thicknesses from NASA IceBridge airborne LIDAR. Remote Sensing of Environment, Vol. 131: 160-172. doi:10.1016/j.rse.2012.12.022

**Tekeli, A.E., S. Kern, S.F. Ackley, B. Ozsoy-Cicek, H. Xie, 2011. Summer Antarctic sea ice as seen by ASAR and AMSR-E and observed during two IPY field cruises: A case study. Annals of Glaciology 52(27), 57A091. doi:10.3189/172756411795931697

*Ozsoy-Cicek, B., S.F. Ackley, A. Worby, H. Xie, and J. Lieser, 2011. Antarctic sea ice extents and concentrations: Comparison of satellite and ship measurements from IPY cruises. Annals of Glaciology 52 (57), 57A127. doi:10.3189/172756411795931877

Weissling, B.P. and S.F. Ackley 2011. Antarctic sea ice altimetry: Scale and resolution effects on derived ice thickness distribution, Annals of Glaciology 52(57), 225-232. doi:10.3189/172756411795931679

*Lewis, M. J., Tison, J. L., Weissling, B., Delille, B., Ackley, S. F., Brabant, F., Xie, H., 2011. Sea ice and snow cover characteristics during the winter-spring transition in the Bellingshausen Sea: an overview of SIMBA 2007, Deep Sea Research II. doi:10.1016/j.dsr2.2010.10.027

*Ozsoy-Cicek, B., Kern, S., Ackley, S.F., Xie, H., Tekeli, A.E., 2011. Intercomparisons of Antarctic sea ice properties from ship observations, active and passive microwave satellite observations in the Bellingshausen Sea. Deep Sea Research II. doi:10.1016/j.dsr2.2010.10.031

Weissling, B., Lewis, M.J., Ackley, S.F., 2011. Sea ice thickness and mass at Ice Station Belgica, Bellingshausen Sea, Antarctica. Deep Sea Research II. doi:10.1016/j.dsr2.2010.10.032

Xie, H., S.F. Ackley, D. Yi, H.J. Zwally, P. Wagner, B. Weissling, M. Lewis, K. Ye, 2011. Sea ice thickness distribution of the Bellingshausen Sea from surface measurements and ICESat altimetry. Deep Sea Research Part II. doi:10.1016/j.dsr2.2010.10.038

Ainley, D., G. Ballard, LK Blight, S. Ackley, SD Emslie, A. Lescroel, S. Olmastroni, et al. 2009. Impacts of cetaceans on the structure of Southern Ocean food webs. Marine Mammal Science. doi:10.1111/j.1748-7692.2009.00337.x

*Weissling, B., S.F. Ackley, P. Wagner, and H. Xie, 2009. EISCAM - Digital image acquisition and processing for sea ice parameters from ships. Cold Regions Science and Technology, 57(1): 49-60. doi:10.1016/j.coldregions.2009.01.001

*Ozsoy-Cicek, B., H. Xie, S.F. Ackley, and K. Ye, 2009. Antarctic summer sea ice concentration and extent: comparison of ODEN 2006 ship observations, satellite passive microwave and NIC sea ice charts. The Cryosphere, Vol.3 (1):1-9. doi:10.5194/tc-3-1-2009

Ackley, S.F., M.J. Lewis, C.H. Fritsen, and H. Xie, 2008. Internal melting in Antarctic sea ice: development of "Gap Layers." Geophysical Research Letters, 35, L11503. doi:10.1029/2008GL033644 (editor's choice for the June issue's cover page and editor's highlight)

Worby, A., C.A. Geiger, M.J. Paget, M.L. Van Woert, S.F. Ackley, T.L. DeLiberty 2008, The thickness distribution of Antarctic sea ice, Jl. of Geophys. Res. Vol. 113, C05S92. doi:10.1029/2007JC004254

Ainley,D., G.Ballard, S.F. Ackley, et al, 2007. Paradigm Lost, or is top-down forcing no longer significant in the Antarctic marine ecosystem? Ant. Science, 19(3) 283-290. doi:10.1017/S095410200700051X

Knuth, M.A. and S.F. Ackley, 2006. Summer and early fall sea ice concentration in the Ross Sea: Comparison of in situ ASPeCt observations and satellite passive microwave estimates. Annals of Glac., Vol.44, No.1, pp.303-309. doi:10.3189/172756406781811466

Dai M., H. H. Shen, M. A. Hopkins, S. F. Ackley, 2004. Wave rafting and the equilibrium pancake ice cover thickness. J. Geophys. Res., 109, C07023. doi:10.1029/2003JC002192

Presentations or Proceedings

*Lewis, M., S.F. Ackley and H. Xie, 2009. Evaluation of Sea Ice Interface Temperature and the Significance of Sea Ice Flooding Events, Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Murphy, E.A. and S.F. Ackley, 2009. Ocean heat flux under sea ice in the Bellingshausen Sea, Antarctica, Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Ozsoy-Cicek, B., P. Wagner, A. Tekeli, S.F. Ackley, H. Xie, 2009. Intercomparisons of Antarctic Sea Ice Concentration and Properties derived from Ship Observations, Satellite Active and Passive Microwave. Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

**Tekeli, A.E., S. Ackley, B. Ozsoy Cicek, H. Xie, 2009. Monitoring sea ice by ASAR and validating with ODEN 2008 cruise field data for Antarctica. Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Wagner, P., S. Ackley, B. Weissling, M. Lewis, B. Ozsoy-Cicek, H. Xie, 2009. ASPeCt Imagery for Ice Thickness in the Bellingshausen-Amundsen Seas SIMBA 2007. Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Weissling, B., M. Lewis, S. Ackley, 2009. Physical and temporal characterization of early spring sea ice, Bellingshausen Sea 2007. Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Weissling, B., Ackley, S.F. EISCAM – Digital imagery analysis support for ASPeCt sea ice observation. Gordon Research Conference-Polar Marine Science/Antarctic Sea Ice Workshop, Lucca (Barga), Italy, March 15-25.

*Cicek, B, S. Ackley, H. Xie, and P. Wagner, 2008. Analysis of Antarctic sea ice extend based on NIC charts (includes ENVISat) and AMSR-E data. 28th EARSel Symposium, Remote Sensing for a Changing Europe, Istanbul, Turkey, June 2-5.

*Cicek, B., H., Xie, and S.F. Ackley, 2007. Sea ice characteristics from the West Antarctic ODEN cruise compared to satellite analyses. AGU Fall meeting, San Francisco, CA, December 10-14.

*Wagner, P., S.F. Ackley, H. Xie, 2007. Similar sea ice behavior dynamics on Earth and Mars. AGU Fall meeting, San Francisco, CA, December 10-14.

Xie, H., M. Lewis, and S.F. Ackley, 2007. A preliminary study of AMSR-E sea ice temperature products for snow-ice flooding detection. AGU Fall meeting, San Francisco, CA, December 10-14.

*Cicek, B., H. Xie, and S. Ackley, 2007. Comparison between ice observations made aboard ships in the Antarctic sea ice and AMSR-E/Aqua geophysical products. IEEE IGARSS, Barcelona, Spain, July 23-27.

*Saunders, B., B. Cicek, H. Xie, and S.F. Ackley. Estimates of Sea Ice Concentration from the ASPeCt ship observations Data Base. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

*Cicek, B., H. Xie, and S.F. Ackley, 2007. Summer Sea Ice in the Ross Sea - ODEN Cruise. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Ackley, S.F. and M.J. Lewis, 2007. Internal Melting in Antarctic Sea Ice: Development of "Gap" or "Freeboard" Layers. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

*Lewis, M., S.F. Ackley, H. Xie, and B. Cicek, 2007. Comparison of AMSR-E Derived Antarctic Snow-Ice Interface Temperatures with Surface Observations. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Ackley, S.F., P. Wagner, H. Xie, 2007. Sea Ice Ridging and Rafting Structures: Is the microstructural controlled transition from Ductile to Brittle Behaviour on Earth also seen on Mars? Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

*Cicek, B., H Xie, T. DeLiberty, 2007. A procedure development of incorporating and processing ICESat data into a GIS system. AMS 87th annual meeting, San Antonio, TX, January 14-18. (paper)

*Lewis, M., SF Ackley, H Xie, B Cicek, 2006. Comparison of AMSR-E derived Antarctic snow-ice interface temperatures with previous surface observations, AGU Fall meeting, San Francisco, CA, December 11-15.

*Cicek, B. and H. Xie. 2006. Elevation and freeboard changes of Ross Sea ice and ice shelf using ICESat. IEEE IGARSS, July 31-August 04, Denver, CO. 4 p. (paper)

*Lewis, M. and H. Xie, 2006. Temporal variation in snow cover over sea ice in Antarctica using AMSR-E data product. IEEE IGARSS, Denver, CO, July 31-August 04.

Ackley, S.F., 2006. Surface surveys of snow depth, ice elevation and sea ice thickness and their use in developing ice thickness algorithms from laser and radar satellite altimetry. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.

*Cicek, B., and H. Xie, 2006. Elevation and freeboard changes of Ross Sea ice and ice shelf using ICESat. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.

*Lewis, M. and H. Xie, 2006. Analysis of Snow Depth and Coverage on Sea Ice in Antarctica using AMSR-E data products. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.