Gudrun's Research Group

Research group of Gudrun Magnusdottir

 (email)

Peings, Y. and G. Magnusdottir, 2014: The role of sea surface temperature, Arctic sea ice and Siberian snow in forcing the atmospheric circulation in winter of 2012-2013.  Climate Dynamics.  Submitted.

Payne, A.E. and G. Magnusdottir, 2014: Dynamics of landfalling atmospheric rivers over the North Pacific in thirty years of MERRA reanalysisJ. Climate, in press.

Peings, Y. and G. Magnusdottir, 2014: Forcing of the wintertime atmospheric circulation by the multidecadal fluctuations of the North Atlantic ocean. Env Res Letters, 9, doi:10.1088/1748-9326/9/3/034018, 8pp.

Wang, Y-H., G. Magnusdottir, H. Stern, X. Tian and Y. Yu, 2014: Uncertainty estimates of the North Atlantic Oscilation. J. Climate, 27, 1290-1301 .

Peings, Y. and G. Magnusdottir, 2014: Response of the wintertime Northern Hemispheric atmospheric circulation to current and projected Arctic sea ice decline: a numerical study with CAM5. J. Climate, 27,  244-264.

Haffke, C. and G. Magnusdottir, 2013: The South Pacific Convergence Zone in three decades of satellite images. J. Geophys. Res. Atmos., 118, doi:10.1002/jgrd.50838.

doi: http://dx.doi.org/10.1175/BAMS-D-11-00244.1

Wang, Y.-H., G. Magnusdottir, H. Stern, X. Tian and Y. Yu, 2012: Decadal variability of the NAO: Introducing an augmented NAO index.  Geophys. Res. Lett., 39, L21702, doi:10.1029/2012GL053413.

Wang, Y.-H., and G. Magnusdottir, 2012: The shift of the northern node of the NAO and cylonic Rossby wave breaking. Journal of Climate, 25, 7973-7982, doi: http://dx.doi.org/10.1175/JCLI-D-11-00596.1

Henke, D., P. Smyth, C. Haffke and G. Magnusdottir, 2012: Automated analysis of the temporal behavior of the double Intertropical Convergence Zone over the east Pacific. Remote Sensing of Environment. 123, 418-433. http://dx.doi.org/10.1016/j.res.2012.03.022

Matthewman, N. J., and G. Magnusdottir, 2012: Clarifying ambiguity in intraseasonal Southern Hemisphere climate modes during austral winter. Journal of Geophysical Research - Atmospheres. J. Geophys. Res., 117, D3, doi:10.1029/2011JD016707, 2012. http://www.agu.org/journals/jd/jd1203/2011JD016707/2011JD016707.pdf

Knapp, K. R., S. Ansari, C. Bain, M. Bourassa, M. Dickinson, C. Funk, C. Helms, C. Hennon, C. Holmes, G. Huffman, J. Kossin, H.-T. Lee, A. Loew and G. Magnusdottir, 2011: Globally gridded satellite (GridSat) observations for climate studies. BAMS, 893-907, DOI: http://dx.doi.org/10.1175/2011BAMS3039.1.

Matthewman, N. J. and G. Magnusdottir, 2011: Observed interaction between Pacific sea ice and the Western Pacific pattern on intraseasonal time scales. Journal of Climate, 24, 5031-5042.  doi 10.1175/2011JCLI4216.1. (PDF)

Strong, C. and G. Magnusdottir, 2011: Dependence of NAO on coupling with sea ice. Climate Dynamics, 36:1681--1689. DOI: 10.1007/s00382-010-0752-z.

Wang, Y-H. and G. Magnusdottir, 2011: Tropospheric Rossby wave breaking and the SAM. Journal of Climate, 24, 2134-2146. doi: 10.1175/2010JCLI4009.1 (PDF)

Bain, C., J. DePaz, J. Kramer, G. Magnusdottir, P. Smyth, H. Stern and C.-C. Wang, 2011: Detecting the ITCZ in instantaneous satellite data using spatial-temporal statistical modeling: ITCZ climatology in the east Pacific. Journal of Climate, 24, 216-230.

Bain, C., G. Magnusdottir, P. Smyth, and H. Stern, 2010: The diurnal cycle of the ITCZ in the east Pacific. Journal of Geophysical Research - Atmospheres, 115, D23116, doi:10.1029/2010JD014835 .

Strong, C., and G. Magnusdottir, 2010: The role of Rossby wave breaking in shaping the equilibrium atmospheric response to North Atlantic boundary forcing Journal of Climate, 23, 1269-1276.

Strong, C., and G. Magnusdottir, 2010: Modeled winter sea ice variability and the North Atlantic Oscillation: a multi-century perspective Climate Dynamics, DOI 10.1007/s00382-009-0550-7.

Scharenbroich, L., G. Magnusdottir, P. Smyth, H. Stern and C.-C. Wang, 2010: A Bayesian framework for storm tracking using a hidden state representation Monthly Weather Review, 138, 2132-2148.

Strong, C., G. Magnusdottir and H. Stern, 2009: Observed feedback between winter sea ice and the North Atlantic Oscillation. Journal of Climate, 22, 6021-6032.

Strong, C., and G. Magnusdottir, 2009: The role of Rossby wave breaking in the Pacific Decadal Oscillation Journal of Climate, 22, 1819-1833.

Strong, C., and G. Magnusdottir, 2008: How Rossby wave breaking over the Pacific forces the North Atlantic Oscillation, Geophys. Research Letters, 35, L10706, doi: 10.1029/2008GL033578.

Strong, C., and G. Magnusdottir, 2008: Tropospheric Rossby wave breaking and the NAO/NAM, J. Atmos. Sci., 65, 2861-2876.

Magnusdottir, G. and C.-C. Wang, 2008: Intertropical convergence zones during the active season in daily data, J. Atmos. Sci., 65, 2425-2436.

Abatzoglou, J.T., and G. Magnusdottir, 2007: Correction to "Wave breaking along the stratospheric polar vortex as seen in ERA-40 data", Geophys. Research Letters, 34, L11805, doi: 10.1029/2007GL030608.

Abatzoglou, J.T., and G. Magnusdottir, 2007: Wave breaking along the stratospheric polar vortex as seen in ERA-40 data, Geophys. Research Letters, 34, L08812, doi: 10.1029/2007GL029509.

Abatzoglou, J.T., and G. Magnusdottir, 2006: Opposing effects of reflective and non-reflective planetary wave breaking on the NAO. J. Atmos. Sci., 63, 3448-3457.

Wang, C.-C., and G. Magnusdottir, 2006: The ITCZ in the Central and Eastern Pacific on Synoptic Timescales. Mon. Wea. Rew., 132, 1405-1421.

Abatzoglou, J.T., and G. Magnusdottir, 2006: Planetary wave breaking and nonlinear reflection: Seasonal cycle and interannual variability J. Climate, 19, 6139-6152.

Wang, C.-C., and G. Magnusdottir, 2005: ITCZ breakdown in three-dimensional flows J. Atmos. Sci., 62,1497-1512.

Abatzoglou, J.T., and G. Magnusdottir, 2004: Nonlinear planetary wave reflection in the troposphere Geophys. Research Letters, 31, No. 9, 01 May 2004.

Wang, C.-C., and G. Magnusdottir, 2004: ITCZ breakdown: An observational study over the Tropical East Pacific. Proceedings of the 26th Conference on Hurricanes and Tropical Meteorology, Miami, May 3-7, 2004.

Wang, C.-C., and G. Magnusdottir, 2004: ITCZ breakdown in 3-dimensional flows Proceedings of the 26th Conference on Hurricanes and Tropical Meteorology, Miami, May 3-7, 2004.

G. Magnusdottir, C. Deser and R. Saravanan, 2004: The effects of North Atlantic SST and sea-ice anomalies on the winter circulation in CCM3. Part I: Main features and storm-track characteristics of the response. J. Climate, 17, 857-876.

Deser, C, G. Magnusdottir, R. Saravanan and A. Philips, 2004: The effects of the North Atlantic SST and sea-ice anomalies on the winter circulation in CCM3. Part II: Direct and indirect components of the response. J. Climate, 17, 877-889.

Magnusdottir, G., R. Saravanan and C. Deser, 2003: The modelled response of the atmospheric winter circulation to North Atlantic SST and sea-ice anomalies corresponding to multidecadal trends. Proceedings of the 14th Conference on Atmospheric and Oceanic Fluid Dynamics., San Antonio, June 9-13, 2003.

Walker, C.-C., and G. Magnusdottir, 2003: Nonlinear planetary-wave reflection in an atmospheric GCM. Proceedings of the 14th Conference on Atmospheric and Oceanic Fluid Dynamics., San Antonio, June 9-13, 2003.

Wang, C., and G. Magnusdottir, 2003: ITCZ breakdown in 3-dimensional simulations. Proceedings of the 14th Conference on Atmospheric and Oceanic Fluid Dynamics., San Antonio, June 9-13, 2003.

Walker, C., and G. Magnusdottir, 2003: Nonlinear planetary-wave reflection in an atmospheric GCM. J. Atmos. Sci., 60, 279-286.

Walker, C., and G. Magnusdottir, 2002: Effect of the Hadley circulation on the reflection of planetary waves in three-dimensional tropospheric flows. J. Atmos. Sci., 59, 2846-2859.

Magnusdottir, G, 2001 : The modeled response of the mean winter circulation to zonally averaged SST trends. J. Climate, 14, 4166-4190.

Magnusdottir, G., and C. Walker, 2000: On the effects of the Hadley circulation and westerly equatorial flow on planetary-wave reflection. Q. J. R. Meteorol. Soc., 126, 2725-2745.

Magnusdottir, G., and R. Saravanan, 1999: The response of atmospheric heat transport to zonally-averaged SST trends.Tellus, 51A, No. 5, 815-832.

Magnusdottir, G., and P.H. Haynes, 1999: Reflection of planetary waves in three-dimensional tropospheric flows. J. Atmos. Sci., 56, No. 4, 652-670.

Magnusdottir, G., and P.H. Haynes, 1996: Wave-activity diagnostics applied to baroclinic-wave life cycles. J. Atmos. Sci., 53, 2317-2353.

Magnusdottir, G., and P. H. Haynes, 1995: Idealized modelling of the interactions of planetary waves with the subtropics. Proc. of The Tenth Conference on Atmospheric and Oceanic Waves and Stability, June 1995, Big Sky, Montana.

Schubert, W.H., and G. Magnusdottir, 1994: Vorticity coordinates and a canonical form for balanced models, J. Atmos. Sci., 51, 3309-3319.

Magnusdottir, G., 1993: Vorticity coordinates and a canonical form for balanced models. Geometrical Fluid Dynamics. Wood Hole Oceanog. Inst. Tech. Rept., WHOI-94-12, Woods Hole Oceanographic Institute, Woods Hole MA 02543, USA.

Magnusdottir, G., and W.H. Schubert, 1991: Semigeostrophic theory on the hemisphere. J. Atmos. Sci., 48, 1449-1456.

Magnusdottir, G. and W. H. Schubert, 1990: The generalization of semigeostrophic theory to the beta-plane. J. Atmos. Sci., 47, 1714-1720.

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