Author Bibliographies

Publications by Lettie A. Roach

This citation list includes papers published while the author has been on staff at the NASA Goddard Institute for Space Studies. It may include some publications based on research conducted prior to their having joined the institute staff.

Submitted / In Review

Roach, L.A., I. Eisenman, T. Wagner, and A. Donohoe, 2023: Asymmetry in the seasonal cycle of zonal-mean surface air temperature. Geophys. Res. Lett., submitted.


Goosse, H., S. Allende Contador, C.M. Bitz, E. Blanchard-Wrigglesworth, C. Eayrs, T. Fichefet, K. Himmich, P.-V. Huot, F. Klein, S. Marchi, F. Massonnet, B. Mezzina, C. Pelletier, L.A. Roach, M. Vancoppenolle, and N.P.M. van Lipzig, 2023: Modulation of the seasonal cycle of the Antarctic sea ice extent by sea ice processes and feedbacks with the ocean and the atmosphere. The Cryosphere, 17, no. 1, 407-425, doi:10.5194/tc-17-407-2023.


Cooper, V., L. Roach, J. Thomson, S. Brenner, M. Smith, M. Meylan, and C. Bitz, 2022: Wind waves in sea ice of the western Arctic and a global coupled wave-ice model. Phil. Trans. Roy. Soc. A, 380, no. 2235, 20210258, doi:10.1098/rsta.2021.0258.

Horvat, C., and L.A. Roach, 2022: WIFF1.0: A hybrid machine-learning-based parameterization of Wave-Induced sea-ice Floe Fracture. Geosci. Model Dev., 15, no. 2, 803-814, doi:10.5194/gmd-15-803-2022.

Montiel, F., A.L. Kohout, and L.A. Roach, 2022: Physical drivers of ocean wave attenuation in the marginal ice zone. J. Phys. Oceanogr., 52, no. 5, 889-906, doi:10.1175/JPO-D-21-0240.1.

Roach, L.A., I. Eisenman, T.J. Wagner, E. Blanchard-Wrigglesworth, and C.M. Bitz, 2022: Asymmetry in the seasonal cycle of Antarctic sea ice due to insolation. Nat. Geosci., 15, no. 4, 277-281, doi:10.1038/s41561-022-00913-6.

Roach, L.A., and E. Blanchard-Wrigglesworth, 2022: Observed winds crucial for September Arctic sea ice loss. Geophys. Res. Lett., 49, no. 6, e2022GL097884, doi:10.1029/2022GL097884.

Roach, L.A., E. Blanchard-Wrigglesworth, S. Ragen, W. Cheng, K.C. Armour, and C.M. Bitz, 2022: The impact of winds on AMOC in a fully-coupled climate model. Geophys. Res. Lett., 49, no. 24, e2022GL101203, doi:10.1029/2022GL101203.


Blanchard-Wrigglesworth, E., A. Donohoe, L.A. Roach, A. DuVivier, and C.M. Bitz, 2021: High-frequency sea ice variability in observations and models. Geophys. Res. Lett., 48, no. 14, e2020GL092356, doi:10.1029/2020GL092356.

Blanchard-Wrigglesworth, E., L.A. Roach, A. Donohoe, and Q. Ding, 2021: Impact of winds and Southern Ocean SSTs on Antarctic sea ice trends and variability. J. Climate, 34, no. 3, 949-965, doi:10.1175/JCLI-D-20-0386.1.


Ackley, S.F., S. Stammerjohn, T. Maksym, M. Smith, J. Cassano, P. Guest, J.-L. Tison, B. Delille, B. Loose, P. Sedwick, L. DePace, L. Roach, and J. Parno, 2020: Sea-ice production and air/ice/ocean/biogeochemistry interactions in the Ross Sea during the PIPERS 2017 autumn field campaign. In Annals of Glaciology, vol. 61, no. 82, pp. 181-195, doi:10.1017/aog.2020.31.

Bracegirdle, T.J., G. Krinner, M. Tonelli, F.A. Haumann, K.A. Naughten, T. Rackow, L.A. Roach, and I. Wainer, 2020: Twenty first century changes in Antarctic and Southern Ocean surface climate in CMIP6. Atmos. Sci. Lett., 21, no. 9, e984, doi:10.1002/asl.984.

Hošeková, L., M.P. Malila, W.E. Rogers, L.A. Roach, E. Eidam, L. Rainville, N. Kumar, and J. Thomson, 2020: Attenuation of ocean surface waves in pancake and frazil sea ice along the coast of the Chukchi Sea. J. Geophys. Res. Oceans, 125, no. 12, e2020JC016746, doi:10.1029/2020JC016746.

Horvat, C., D. Flocco, D.W. Rees Jones, L. Roach, and K.M. Golden, 2020: The effect of melt pond geometry on the distribution of solar energy under first-year sea ice. Geophys. Res. Lett., 47, no. 4, e2019GL085956, doi:10.1029/2019GL085956.

Kohout, A.L., M. Smith, L.A. Roach, G. Williams, F. Montiel, and M.J.M. Williams, 2020: Observations of exponential wave attenuation in Antarctic sea ice during the PIPERS campaign. Ann. Glaciol., 61, no. 82, 196-209, doi:10.1017/aog.2020.36.

Roach, L.A., J. Dörr, C.R. Holmes, F. Massonnet, E.W. Blockley, D. Notz, T. Rackow, M.N. Raphael, S.P. O'Farrell, D.A. Bailey, and C.M. Bitz, 2020: Antarctic sea ice area in CMIP6. Geophys. Res. Lett., 47, no. 9, e2019GL086729, doi:10.1029/2019GL086729.


Horvat, C., L.A. Roach, R. Tilling, C.M. Bitz, B. Fox-Kemper, C. Guider, K. Hill, A. Ridout, and A. Shepherd, 2019: Estimating the sea ice floe size distribution using satellite altimetry: Theory, climatology, and model comparison. The Cryosphere, 13, 2869-2885, doi:10.5194/tc-13-2869-2019.

Roach, L.A., C.M. Bitz, C. Horvat, and S.M. Dean, 2019: Advances in modeling interactions between sea ice and ocean surface waves. J. Adv. Model. Earth Syst., 11, no. 12, 4167-4181, doi:10.1029/2019MS001836.


Roach, L.A., S.M. Dean, and J.A. Renwick, 2018: Consistent biases in Antarctic sea ice concentration simulated by climate models. The Cryosphere, 12, 365-383, doi:10.5194/tc-12-365-2018.

Roach, L.A., C. Horvat, S.M. Dean, and C.M. Bitz, 2018: An emergent sea ice floe size distribution in a global coupled ocean-sea ice model. J. Geophys. Res. Oceans, 123, no. 6, 4322-4337, doi:10.1029/2017JC013692.

Roach, L.A., S.F.B. Tett, M.J. Mineter, K. Yamazaki, and C.D. Rae, 2018: Automated parameter tuning applied to sea ice in a global climate model. Clim. Dyn., 50, no. 1, 51-65, doi:10.1007/s00382-017-3581-5.

Roach, L.A., M.M. Smith, and S.M. Dean, 2018: Quantifying growth of pancake sea ice floes using images from drifting buoys. J. Geophys. Res. Oceans, 123, no. 4, 2851-2866, doi:10.1002/2017JC013693.

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