lorenzo m. polvani

Maurice Ewing and J. Lamar Worzel Professor of Geophysics
in the Department of Applied Physics and Applied Mathematics

Columbia University in the City of New York

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peer-reviewed articles

     submitted

• I. Mitevski, S.H. Lee, G. Vecchi, C. Orbe and L.M. Polvani: More Positive and Less Variable North Atlantic Oscillation at High CO2 forcing


• Y. Dong, L.M. Polvani, Y.-T. Hwang and M.R. England: Stratospheric ozone depletion has contributed to the recent tropical La Niña-like warming pattern


• Y.-C. Liang, O. Miyawaki, T. A. Shaw , I. Mitevski, L.M. Polvani and Y.-T. Hwang: Linking Radiative-Advective Equilibrium Regime Transition to Arctic Amplification


• T. Janoski, I.Mitevski, R.J. Kramer, M. Previdi, and L.M. Polvani: ClimKern: A new Python package and kernel repository for calculating radiative feedbacks [available here]


• I. Mitevski, L.M. Polvani, H. He, G. Vecchi, C. Orbe, B. Soden, and R.L. Miller: State dependence of CO2 effective radiative forcing from 1/16× to 16×CO2


• N. Calvo, R.R. Garcia, G. Chiodo, D.R. Marsh and L. M. Polvani: On the timescales of the response of the Brewer-Dobson circulation to an abrupt quadrupling of CO2

2024   



1. Z. McGraw, L.M. Polvani, Blaž Gasparini, E. Van de Koot and A. Voigt: The Cloud Radiative Response to Surface Warming Weakens Hydrological Sensitivity to appear in Geophys. Res. Lett.


2. X. Zhang, D.W. Waugh, I. Mitevski, C. Orbe and L.M. Polvani: Decreased Northern Hemisphere precipitation from consecutive CO2 doublings is associated with significant AMOC weakening to appear in Env. Res. Climate


3. E. Tejedor, L.M. Polvani, N.J. Steiger, M. Vuille and J.E. Smerdon: No evidence of winter warming in Eurasia following large, low-latitude volcanic eruptions during the Last Millennium, J. Climate, 37, 5653-5673 (2024)


4. S. Lee and L.M. Polvani: Large model biases in the Pacific centre of the Northern Annular Mode due to exaggerated variability of the Aleutian Low, Quart. J. Roy. Meteor. Soc., 150, 4478-4497 (20204)


5. I. Mitevski, R. Chemke, C. Orbe and L.M. Polvani: Southern Hemisphere winter storm tracks respond differently to low and high CO2 forcings, J. Climate, 37, 5355-5372 (2024)


6. Z. McGraw and L.M. Polvani: How Volcanic Aerosols Globally Inhibit Precipitation, Geophys. Res. Lett., 51, e2023GL107930 (2024) [supp. mat.]


7. Y.-T. Wu, Y.-C. Liang, M. Previdi, L.M. Polvani, M.R. England, M. Sigmond and M.-H. Luo: Stronger Arctic Amplification from Anthropogenic Aerosols than from Greenhouse Gases, npj Clim. Atmos. Sci., 7:142 (2024) [supp. mat.]


8. Z. McGraw, K. DallaSanta, L.M. Polvani, K. Tsigaridis, C. Orbe and S.E. Bauer: Severe global cooling after volcanic super-eruptions? The answer hinges on unknown aerosol size, J. Climate, 37, 1449-1464 (2024)

→ NASA Earth Science News


9. Y.-C. Liang, Y.-O. Kwon, C. Frankignoul, G. Gastineau, K.L. Smith, L.M. Polvani, L. Sun, Y. Peings, C. Deser, R. Zhang and J. Screen: The weakening of the stratospheric polar vortex and the subsequent surface impacts as consequences to Arctic sea ice loss, J. Climate, 37, 309-333 (2024)



2023   



10. Y. Dong, L.M. Polvani and D.B. Bonan: Recent multi-decadal Southern ocean surface cooling unlikely caused by Southern Annular Mode trends, Geophys. Res. Lett., 50, e2023GL106142 (2023) [supp. mat.]

→ Nature Reviews Research Highlights


11. A. Peccia, Y. Moussallam, T. Plank, K. DallaSanta, L.M. Polvani, A. Burgisser, J. Larsen and J. Schaefer: A new multi-method assessment of stratospheric sulfur load from the Okmok II caldera-forming eruption of 43 BCE, Geophys. Res. Lett., 50, e2023GL103334 (2023) [supp. mat.]

→ Commentary in Geophysical Research Letters


12. S. Lee, M.K. Tippett and L.M. Polvani: A new year-round weather regime classification for North America, J. Climate, 36, 7091-7108 (2023)


13. P. Czarnecki, L.M. Polvani and R. Pincus: Sparse, Empirically optimized quadrature for broadband spectral integration, J. Advan. Model. Earth Syst., 15, e2023MS003819 (2023)


14. D. Raiter, L.M. Polvani, I. Mitevski, A.G. Pendergrass and C. Orbe: Little change in apparent hydrological sensitivity at large CO2 forcing, Geophys. Res. Lett., 50, e2023GL104954 (2023) [supp. mat.]


15. M. Bushuk, L.M. Polvani and M.R. England: Comparing the impacts of ozone-depleting substances and carbon dioxide on Arctic sea ice loss, Env. Res. Climate, 2, 041001 (2023) [supp. mat.]


16. Z. McGraw, T. Storelvmo, L.M. Polvani, S. Hofer, J. Shaw and A. Gettelman: On the links between ice nucleation, cloud phase, and climate sensitivity in CESM2, Geophys. Res. Lett., 50, e2023GL105053 (2023) [supp. mat.]


17. S.-N. Zhou , Y.-C. Liang, I. Mitevski and L.M. Polvani: Stronger Arctic amplification produced by decreasing, not increasing, CO2 concentrations, Env. Res. Climate, 2, 045001 (2023) [supp. mat.]


18. T. Janoski, M. Previdi, G. Chiodo, K.L. Smith and L.M. Polvani: Ultrafast Arctic amplification and its governing mechanisms, Env. Res. Climate, 2 , 035009 (2023)


19. I. Mitevski, Y. Dong, L.M. Polvani, M. Rugenstein and C. Orbe: Non-monotonic feedback dependence under abrupt CO2 forcing due to a North Atlantic pattern effect, Geophys. Res. Lett., 50, e2023GL103617 (2023) [supp. mat.]


20. M.R. England and L.M. Polvani: The Montreal Protocol is delaying the occurrence of the first ice-free Arctic summer, Proc. Nat. Acad. Sci, 120, e2211432120 (2023) [supp. mat.]


21. L.M. Polvani, J. Keeble, A. Banerjee, R. Checa-Garcia, G. Chiodo, H. Rieder and K. Rosenlof: No evidence of worsening Arctic springtime ozone losses over the 21st century, Nature Communications, 14, 1608 (2023)


22. M. Sigmond, L.M. Polvani, J.C. Fyfe, C.J. Smith, J.N.S. Cole and M.R. England: Large contribution of ozone-depleting substances to global and Arctic warming in the late 20th century , Geophys. Res. Lett., 50, e2022GL100563 (2023)
    [supp. mat.]


23. H.A. Singh, N. Goldenson, J.C. Fyfe and L.M. Polvani: Irreducible Southern Ocean state uncertainty due to global ocean initial conditions, J. Climate, 35, 383-403 (2023)


24. Y.-T. Wu, Y.-C. Liang, Y.-N. Kuo, F. Lehner, M. Previdi, L.M. Polvani, M.-H. Lo and C.-W. Lan: Exploiting SMILEs to understand Arctic climate change seasonality and Uncertainty, Geophys. Res. Lett., 50, e2022GL100745 (2023) [supp. mat.]



2022   



25. A. Fiore and 9 co-authors (including L.M. Polvani): Understanding recent tropospheric ozone trends in the context of large internal variability: A new perspective from chemistry-climate model ensembles, Environ. Res. Climate, 1, 025008 (2022)


26. S. Lee, L.M. Polvani and B. Guan: Modulation of Atmospheric Rivers by the Arctic Stratospheric Polar Vortex, Geophys. Res. Lett., 49, e2022GL100381 (2022) [supp. mat.]


27. K. DallaSanta and L.M. Polvani: Volcanic stratospheric injections up to 160 Tg(S) yield a Eurasian winter warming indistinguishable from internal variability, Atmos. Chem. Phys, 22, 8842-8862 (2022)


28. G. Chiodo and L.M. Polvani: New insights on the radiative impacts of ozone-depleting substances, Geophys. Res. Lett., 49, e2021GL096783 (2022) [supp. mat.]


29. R. Chemke, L. Zanna, C. Orbe, L. Sentman and L.M. Polvani: The future intensification of the North Atlantic winter storm track: the key role of dynamic ocean coupling, J. Climate, 35, 2407-2421 (2022)


30. S. Hay, P.J. Kushner, R. Blackport, K.E. McCusker, T. Oudar, L. Sun, M. England, C. Deser, J.A. Screen and L.M. Polvani: Separating the influences of low-latitude warming and sea-ice loss on Northern Hemisphere climate change, J. Climate, 35, 2327-2349 (2022)


31. I. Mitevski, L.M. Polvani and C. Orbe: Asymmetric warming/cooling response to CO2 increase/decrease due to non-logarithmic forcing, not feedbacks, Geophys. Res. Lett., 49, e2021GL097133 (2022) [supp. mat.]


32. A. Scaife and 19 co-authors (including L.M. Polvani): Long Range Prediction and the Stratosphere , Atmos. Chem. Phys., 22, 2601-2623 (2022)


33. Y.-C. Liang, L.M. Polvani and I. Mitevski: Arctic amplification, and its seasonal migration, over a wide range of abrupt CO2 forcing, npj Clim. Atmos. Sci., 5:14 (2022) [supp. mat.]
    


34. Y-C. Liang, L.M. Polvani, M. Previdi, K.L. Smith, M.R. England and G. Chiodo: Stronger Arctic Amplification from Ozone-Depleting Substances than from Carbon Dioxide, Environ. Res. Lett., 17, 024010 (2022) [supp. mat.]
    



2021   



35. J. Oehrlein, L.M. Polvani, L. Sun and C. Deser: How well do we know the surface impact of sudden stratospheric warmings? Geophys. Res. Lett., 48, 22, e2021GL095493 (2021) [supp. mat.]


36. B. De, G. Tselioudis and L.M. Polvani: Improved representation of atmospheric dynamics in CMIP6 models removes climate sensitivity dependence on Hadley Cell climatological extent, Atmos. Sci. Lett., 22:e1073 (2021) [supp. mat.]


37. L.M. Polvani, A. Banerjee, R. Chemke, E.W. Doddridge, D.Ferreira, A. Gnanadesikan, M.A. Holland, Y. Kostov, J. Marshall, W.J.M. Seviour, S. Solomon and D.W. Waugh: Interannual SAM modulation of Antarctic sea ice extent does not account for its long-term trends, pointing to a limited role for ozone depletion, Geophys. Res. Lett., 48, 21, e2021GL094871 (2021)


38. M. Previdi, K.L. Smith and L.M. Polvani: Arctic amplification of climate change: A review of underlying mechanisms, Environ. Res. Lett., 16, 093003 (2021)


39. R. Chemke, L.M. Polvani, J. Kay and C. Orbe: Quantifying the role of ocean coupling in Arctic amplification and sea-ice loss over the 21st century, npj Clim. Atmos. Sci., 4:46 (2021) [supp. mat.]


40. K.L. Smith and L.M. Polvani: Modeling evidence for large, ENSO-driven, interannual, wintertime AMOC variability, Environ. Res. Lett., 16, 084038 (2021) [supp. mat.]


41. P. Pisoft, P. Sacha, L.M. Polvani, J. A. Añel, L. de la Torre, R. Eichinger, U. Foelsche, P. Huszar, C. Jacobi, J. Karlicky, A. Kuchar, J. Miksovsky, M. Zak and H. E. Rieder: Stratospheric contraction caused by increasing greenhouse gases, Environ. Res. Lett., 16, 064038 (2021) [supp. mat.]


42. A. Banerjee, A.H. Butler, L.M. Polvani, A. Robock, I.R. Simpson and L. Sun: Robust winter warming over Eurasia under stratospheric sulfate geoengineering - the role of stratospheric dynamics, Atmos. Chem. Phys., 21, 6985-6997 (2021) [supp. mat.]


43. I. Mitevski, C. Orbe, R. Chemke, L. Nazarenko and L.M. Polvani: Non-monotonic response of the climate system to abrupt CO2 forcing, Geophys. Res. Lett., 48, 6, e2020GL090861 (2021) [supp. mat.]


44. R. Chemke and L.M. Polvani: Elucidating the mechanisms responsible for Hadley cell weakening under 4xCO2 forcing, Geophys. Res. Lett., 48, 3, e2020GL090348 (2021) [supp. mat.]



2020   



45. R. Chemke, M. Previdi, M.R. England and L.M. Polvani: Distinguishing the impacts of ozone and ozone-depleting substances on the recent increase in Antarctic surface mass balance, The Cryosphere, 14, 4135-4144 (2020)


46. L.M. Polvani and S.J. Camargo: Scant evidence for a volcanically forced winter warming over Eurasia following the Krakatau eruption of August 1883, Atmos. Chem. Phys., 20, 13687-13700 (2020)

→ please note this CORRIGENDUM


47. D.M. Mitchell, Y.T. Lo, W.J.M. Seviour, L. Haimberger and L.M. Polvani: The vertical profile of recent tropical temperature trends: Persistent model biases in the context of internal variability, Environ. Sci. Lett., 15, 1040b4 (2020)


48. H.A. Singh and L.M. Polvani: Low Antarctic climate sensitivity due to high ice sheet orography, npj Clim. Atmos. Sci., 3:39 (2020)


49. M.R. England, L.M. Polvani, L. Sun: Robust Arctic warming caused by projected Antarctic sea ice loss, Environ. Res. Lett., 15, 104005 (2020)


50. J. Oehrlein, G. Chiodo and L.M. Polvani: The effect of interactive ozone chemistry on weak and strong stratospheric polar vortex events, Atmos. Chem. Phys., 20, 10531-10544 (2020)


51. D.W. Waugh, A. Banerjee, J.C. Fyfe and L.M. Polvani: Contrasting recent trends in Southern Hemisphere Westerlies across different ocean basins, Geophys. Res. Lett., 47, 18, e2020GL088890 (2020)


52. M. Previdi, T. Janoski, G. Chiodo, K.L. Smith and L.M. Polvani: Arctic amplification as a rapid adjustment to increased CO2, Geophys. Res. Lett., 47, 17, e2020GL089933 (2020)

→ Science Editors' Choice


53. B. De, Y. Wu and L.M. Polvani: Non-additivity of the mid-latitude circulation response to regional Arctic temperature anomalies: the role of the stratosphere, Geophys. Res. Lett., 47, 16, e2020GL088057 (2020)


54. R. Chemke and L.M. Polvani: Using multiple large ensembles to elucidate the discrepancy between the 1979-2019 modeled and observed Antarctic sea-ice trends, Geophys. Res. Lett., 47, 15, e2020GL088339 (2020)


55. A. Steiner and 18 co-authors (including L.M. Polvani): Observed temperature changes in the troposphere and stratosphere from 1979 to 2018, J. Climate, 33, 8165-8194 (2020)


56. B. Ayarzagüena and 20 co-authors (including L.M. Polvani): Uncertainty in the response of stratospheric sudden warmings and stratosphere-troposphere coupling to quadrupled CO2 concentrations in CMIP6 models, J. Geophys. Res., 126, 6, e2019JD032345 (2020)


57. M.R. England, L.M. Polvani, L. Sun and C. Deser: Tropical climate responses to projected Arctic and Antarctic sea ice loss, Nature Geoscience, 13, 275-281 (2020)


58. A. Banerjee, J.C. Fyfe, L.M. Polvani, D.W Waugh and K.-L. Chang: A pause in Southern Hemisphere circulation trends due to the Montreal Protocol, Nature, 579, 544-548 (2020)

→ commentary (by A. Karpechko)


59. R. Chemke, L.M. Polvani and L. Zanna: Human influence on North Atlantic surface temperature, Nature Communications, 11:1540 (2020) [supp. mat.]


60. R. Chemke and L.M. Polvani: Linking midlatitudes eddy heat flux trends and polar amplification, npj Clim. Atmos. Sci., 3:8 (2020)


61. L.M. Polvani, M. Previdi, M.R England, G. Chiodo and K.L. Smith: Substantial twentieth-century Arctic warming caused by ozone-depleting substances, Nature Climate Change, 10, 130-133 (2020)

→ Nature News


62. G. Danabasoglu and 42 co-authors (including L.M. Polvani): The Community Earth System Model version 2 (CESM2), J. Adv. Model. Earth. Syst., 12, 2, e2019MS001916 (2020)



2019   



63. H.A. Singh, L.M. Polvani and P.J. Rasch: Antarctic sea ice expansion, driven by internal variability, in the presence of increasing atmospheric CO2, Geophys. Res. Lett., 46, 14762-14771 (2019)


64. A. Gettelman and 23 co-authors (including L.M. Polvani): The Whole Atmosphere Community Climate Model Version 6 (WACCM6), J. Geophys. Res., 124, 12380-12403 (2019)


65. G. Chiodo and L.M. Polvani: The response of the ozone layer to quadrupled CO2 concentrations: Implications for climate, J. Climate, 32, 7639-7642 (2019)


66. A. Banerjee, G.Chiodo, M. Previdi, M. Ponater, A.J. Conley and L.M. Polvani: Stratospheric water vapor: an important climate feedback, Clim. Dyn., 53, 1697-1710 (2019)


67. W.J.M. Seviour, F. Codron, E.W. Doddridge, D.Ferreira, A. Gnanadesikan, Y. Kostov, J. Marshall, L.M. Polvani, J.L. Thomas and D.W. Waugh: The Southern Ocean sea surface temperature response to ozone depletion: A multi-model comparison, J. Climate, 32, 5107-5121 (2019)


68. L.M. Polvani, L. Wang, M. Abalos and CCMI co-authors: Large impacts, past and future, of ozone-depleting substances on Brewer-Dobson circulation trends: A multi-model assessment, J. Geophys. Res., 124, 6669–6680 (2019)


69. R. Chemke and L.M. Polvani: Opposite tropical circulation trends in climate models and in reanalyses, Nature Geoscience, 12, 528-532 (2019) [supp. mat.]

→ Nature Climate Change Research Highlights


70. M.R England, A. Jahn and L.M. Polvani: Non-uniform contribution of internal variability to recent Arctic sea ice loss, J. Climate, 32, 4039-4053 (2019)


71. J. Oehrlein, G. Chiodo and L.M. Polvani: Separating and quantifying the distinct impacts of El Niño and stratospheric sudden warmings on North Atlantic and Eurasian wintertime climate, Atmos. Sci. Lett., 20:e923 (2019)


72. S.J. Camargo and L.M. Polvani: Little evidence of reduced global tropical cyclone activity following recent volcanic eruptions, npj Clim. Atmos. Sci., 2:14 (2019)


73. L.M. Polvani, A. Banerjee, A. Schmidt: Northern Hemisphere continental winter warming following the 1991 Mt. Pinatubo eruption: Reconciling models and observations, Atmos. Chem. Phys., 19, 6351-6366 (2019)   [supp. mat.]

→ please note this CORRIGENDUM


74. H.E. Rieder, G. Chiodo, J. Fritzer, C.Wienerroither and L.M. Polvani: Is interactive ozone chemistry important to represent polar cap stratospheric temperature variability in Earth-System Models? Environ. Res. Lett., 34, 044026 (2019)


75. M. Abalos, L.M. Polvani, N. Calvo, D. Kinnison, F. Ploeger and W.J. Randel and S. Solomon: New insights on the impact of ozone-depleting substances on the Brewer-Dobson circulation, J. Geophys. Res., 124, 2435-2451 (2019)


76. L.M. Polvani and K. Bellomo: The key role of ozone-depleting substances in weakening the Walker circulation in the second half of the 20th century, J. Climate, 32, 1411-1418 (2019)


77. R. Chemke, L.M. Polvani and C. Deser: The effect of Arctic sea-ice loss on the Hadley circulation, Geophys. Res. Lett., 46, 963-972 (2019)


78. G. Chiodo, J. Oehrlein, L.M. Polvani, J. Fyfe and A.K. Smith: Insignificant influence of the 11-year solar cycle on the North Atlantic Oscillation, Nature Geoscience, 12, 94-99 (2019)


79. R. Chemke and L.M. Polvani: Exploiting the abrupt 4xCO2 scenario to elucidate tropical expansion mechanisms, J. Climate, 32, 859-875 (2019)



2018



80. B.R. Lipat, A. Voigt, G. Tselioudis, L.M. Polvani: Model uncertainty in cloud-circulation coupling, and cloud-radiative response to increasing CO2, linked to biases in the climatological circulation, J. Climate, 31, 10013-10020


81. R. Chemke and L.M. Polvani: Ocean circulation reduces the Hadley cell response to increased greenhouse gases, Geophys. Res. Lett., 45, 9197-9205 (2018).


82. K.L. Smith, L.M. Polvani and L.B. Tremblay: The impact of stratospheric circulation extremes on minimum Arctic sea ice extent, J. Climate, 31, 7169-7183 (2018)


83. B. Ayarzagüena, L.M. Polvani, U. Langematz and CCMI co-authors: No robust evidence of future changes in major stratospheric sudden warmings: A multi-model assessment from CCMI, Atmos. Chem. Phys., 18, 11277-11287 (2018)


84. M.R. England, L.M. Polvani and L. Sun: Contrasting the Antarctic and Arctic atmospheric responses to projected sea ice loss in the late 21st Century, J. Climate, 31, 6353-6370 (2018)

→ Nature Climate Change News & Views


85. K. Bellomo, L.N. Murphy, M.A. Cane, A.C. Clement and L.M. Polvani: Historical forcings as main drivers of Atlantic multidecadal variability in the CESM Large Ensemble, Clim. Dyn., 50, 3687-3698 (2018)


86. G.Chiodo, L.M. Polvani and co-authors: The response of the ozone layer to quadrupled CO2 concentrations, J. Climate, 31, 3893-3907 (2018)


87. L. Zhang, K.B. Karnauskas, J.B. Weiss and L.M. Polvani: Observational evidence of the downstream impact on tropical rainfall from stratospheric Kelvin waves, Clim. Dyn., 50, 3775-3782 (2018)


88. L.M. Polvani, M. Abalos, R. Garcia, D. Kinnison and W.J. Randel: Significant weakening of Brewer-Dobson circulation trends over the 21st century as a consequence of the Montreal Protocol, Geophys. Res. Lett., 45, 401-409 (2018)


89. K.L. Smith, G.Chiodo, M. Previdi and L.M. Polvani: No surface cooling over Antarctica from the negative greenhouse effect associated with instantaneous quadrupling of CO2 concentrations, J. Climate, 31, 317-323 (2018)



2017



90. L. Landrum, M. Holland, M. Raphael and L.M. Polvani: Stratospheric ozone depletion: an unlikely driver of the regional trends in Antarctic sea ice in austral fall in the late 20 th Century, Geophys. Res. Lett., 44, 11062-11070 (2017)


91. W.J. Randel, L.M. Polvani, F. Wu, D.E. Kinnison, C-Z. Zou and C. Mears: Troposphere-stratosphere temperature trends derived from satellite data compared with ensemble simulations from WACCM, J. Geophys. Res., 122, 9651-9667 (2017)


92. K.M. Grise and L.M. Polvani: Understanding the timescales of the tropospheric circulation response to abrupt CO2 forcing in the Southern Hemisphere: Seasonality and the role of the stratosphere, J. Climate, 30, 8497-8515 (2017)


93. M. Previdi and L.M. Polvani: Impact of the Montreal Protocol on Antarctic Surface Mass Balance and Implications for Global Sea-Level Rise, J. Climate, 30, 7247-7253 (2017)


94. P. Lin, D. Paynter, L.M. Polvani, G. Correa, Y. Ming and V. Ramaswamy: Dependence of model-simulated response to ozone depletion on stratospheric polar vortex climatology, Geophys. Res. Lett., 44, 6391-6398 (2017)


95. Y. Wu and L.M. Polvani: Recent Trends in Extreme Precipitation and Temperature over Southeastern South America: The Dominant Role of Stratospheric Ozone Depletion, J. Climate, 30, 6433-6441 (2017)


96. B.R. Lipat, G. Tselioudis, K.M. Grise and L.M. Polvani: CMIP5 models' shortwave cloud radiative response and climate sensitivity linked to the climatological Hadley cell extent, Geophys. Res. Lett., 44, 5739-5748 (2017)


97. G. Chiodo, L.M. Polvani and M. Previdi: Large increase in incident shortwave radiation due to the ozone hole offset by high climatological albedo over Antarctica, J. Climate, 30, 4883-4890 (2017)


98. W.J.M. Seviour, D.W. Waugh, L.M. Polvani, G.J.P. Correa and C.I. Garfinkel: Robustness of the simulated tropospheric response to ozone depletion, J. Climate, 30, 2577-2585 (2017)


99. L.M. Polvani, L. Wang, V. Aquila and D.W. Waugh: The impact of ozone-depleting substances on tropical upwelling, as revealed by the absence of lower stratospheric cooling since the late 1990s, J. Climate, 30, 2523-2534 (2017)


100. L.M. Polvani, L. Sun, A.H. Butler, J.H. Richter and C. Deser: Distinguishing stratospheric sudden warmings from ENSO as key drivers of wintertime climate variability over the North Atlantic and Eurasia, J. Climate, 30, 1959-1969 (2017)   [supp. mat.]


101. A. Banerjee, L.M. Polvani and J.C. Fyfe: The United States "warming hole": quantifying the forced aerosol response given large internal variability, Geophys. Res. Lett., 44, 1928-1937 (2017)


102. G. Chiodo and L.M. Polvani: Reduced Southern Hemispheric circulation response to quadrupled CO2 due to stratospheric ozone feedback, Geophys. Res. Lett., 44, 465-474 (2017)

→ EOS Reseach Spotlight


103. K.L. Smith and L.M. Polvani: Spatial patterns of recent Antarctic surface temperature trends and the importance of natural variability: Lessons from multiple reconstructions and the CMIP5 models, Clim. Dyn., 48, 2653-2670 (2017)



2016



104. A. Solomon, L.M. Polvani, D.W. Waugh and S. Davis: Contrasting upper and lower atmospheric metrics of tropical expansion in the Southern Hemisphere, Geophys. Res. Lett., 43, 10496-10503 (2016)


105. K. Bellomo, A.C. Clement, L.N. Murphy, L.M. Polvani and M.A. Cane: New Observational Evidence for a Positive Cloud Feedback that Amplifies the Atlantic Multidecadal Oscillation, Geophys. Res. Lett., 43, 9852-9859 (2016)


106. M. Previdi and L.M. Polvani: Anthropogenic Impact on Antarctic Surface Mass Balance, Currently Masked by Natural Variability, to Emerge by Mid-Century, Environ. Res. Lett., 11, 094001 (2016)

→ Nature Climate Change Highlights


107. M.R. England, L.M. Polvani, K.L. Smith, L. Landrum and M.M. Holland: Robust response of the Amundsen Sea Low to stratospheric ozone depletion, Geophys. Res. Lett., 43, 8207-8213 (2016)


108. V. Aquila, W.H. Swartz, D.W. Waugh, P.R. Colarco, S. Pawson, L.M. Polvani and R.S. Stolarski: Isolating the roles of different forcing agents in global stratospheric temperature changes using model integrations with incrementally added single forcings, J. Geophys. Res., 121, 8067-8082 (2016)


109. K.M. Grise and L.M. Polvani: Is climate sensitivity related to dynamical sensitivity? J. Geophys. Res., 121, 5159-5176 (2016)


110. E.A. Barnes, S. Solomon and L.M. Polvani: Robust wind and precipitation responses to the Mount Pinatubo eruption, as simulated in the CMIP5 models, J. Climate, 29, 4763-4778 (2016)


111. G. Tselioudis, B.R. Lipat, D. Konsta, K.M. Grise and L.M. Polvani: Midlatitude cloud shifts, their primary link to the Hadley cell, and their diverse radiative effects, Geophys. Res. Lett., 43, 4594-4601 (2016)


112. D.R Marsh, J.-F. Lamarque, A.J. Conley and L.M. Polvani: Stratospheric ozone chemistry feedbacks are not critical for the determination of climate sensitivity in CESM1(WACCM), Geophys. Res. Lett., 43, 3928-3934 (2016)


113. G. Chiodo and L.M. Polvani: Reduction of climate sensitivity to solar forcing due to stratospheric ozone feedback, J. Climate, 29, 4651-4663 (2016)


114. A. Solomon and L.M. Polvani: Highly significant responses to anthropogenic forcings of the midlatitude jet in the Southern Hemisphere, J. Climate, 29, 3463-3470 (2016)


115. M.R. England, T.A. Shaw and L.M. Polvani: Troposphere-stratosphere dynamical coupling in the Southern high latitudes, and its linkage to the Amundsen Sea, J. Geophys. Res., 121, 3776-3789 (2016)


116. I.R. Simpson and L.M. Polvani: Revisiting the relationship between jet position, forced response and annular mode variability in the Southern mid-latitudes, Geophys. Res. Lett., 43,2896-2903 (2016)


117. L.M. Polvani, S.J. Camargo and R.R. Garcia: The importance of the Montreal Protocol in mitigating the potential intensity of tropical cyclones, J. Climate, 29, 2275-2289 (2016)


118. R.K. Scott, L.M. Harris and L.M. Polvani: A testcase for the inviscid shallow water equations on the sphere, Quart. J. Roy. Meteor. Soc., 142, 488-595 (2016)



2015



119. C.I. Garfinkel, D.W. Waugh and L.M. Polvani: Recent Hadley cell expansion: the role of internal atmospheric variability in reconciling modeled and observed trends, Geophys. Res. Lett., 42, 10824-10831 (2015)


120. K.M. Grise, L.M. Polvani and J.T. Fasullo: Re-examining the emergent constraint between climate sensitivity and the Southern Hemisphere radiation budget in CMIP models, J. Climate, 28, 9298-9312 (2015)


121. C. Orbe, P.A. Newman, D.W. Waugh, M. Holzer, L.D. Oman, F. Li and L.M. Polvani: Air Mass Origin in the Arctic. Part II: Response to Increases in Greenhouse Gases, J. Climate, 28, 9105-9120 (2015)


122. M. Previdi, K.L. Smith and L.M. Polvani: How well do the CMIP5 models simulate the Antarctic atmospheric energy budget? J. Climate, 28, 7933-7942 (2015)


123. N. Calvo, L.M. Polvani and S. Solomon: On the surface impact of Arctic ozone extremes, Environ. Res. Lett., 10, 094003 (2015)


124. D.W. Waugh, C.I. Garfinkel and L.M. Polvani: Drivers of the recent tropical expansion in the Southern Hemisphere: Changing SSTs or ozone depletion? J. Climate, 28, 6581-6586 (2015)


125. A. Solomon, L.M. Polvani, K.L. Smith and R.P. Abernathey: The impact of ozone-depleting substances on the circulation, temperature and salinity of the Southern Ocean: An attribution study with CESM1(WACCM), Geophys. Res. Lett., 42, 5547-5555 (2015)


126. Y. Wu and L.M. Polvani: Contrasting short and long term projections of the hydrological cycle in the Southern extratropics, J. Climate, 28, 5845-5856 (2015)


127. E.A. Barnes and L.M. Polvani: CMIP5 projections of Arctic amplification, of the North American/North Atlantic circulation, and of their relationship, J. Climate, 28, 5254-5271 (2015)


128. C. Orbe, P.A. Newman, D.W. Waugh, M. Holzer, L.D. Oman, F. Li and L.M. Polvani: Air Mass Origin in the Arctic. Part I: Seasonality, J. Climate, 28, 4997-5014 (2015)


129. J.F. Booth, L.M. Polvani, P.A. O'Gorman and S. Wang: Effective Stability in a Moist Baroclinic Wave , Atmos. Sci. Lett., 16, 56-62 (2015)



2014



130. M. Previdi and L.M. Polvani: Climate System Response to Stratospheric Ozone Depletion and Recovery, Quart. J. Roy. Meteor. Soc., 140, 2401-2419 (2014)


131. R.R. Neely, D.R. Marsh, K.L. Smith, S.M. Davis and L.M. Polvani: Biases in Southern Hemisphere climate trends induced by coarsely specifying the temporal resolution of stratospheric ozone, Geophys. Res. Lett., 41, 8602-8610 (2014)


132. S. Wang, S.J. Camargo, A.H. Sobel and L.M. Polvani: Impact of the tropopause temperature on the intensity of tropical cyclones: An idealized study using a mesoscale model, J. Atmos. Sci., 71, 4333-4348 (2014)


133. K.M. Grise and L.M. Polvani: The response midlatitude jets to increased CO2 : Distinguishing the roles of sea surface temperature and direct radiative forcing, Geophys. Res. Lett., 41, 6863-6871 (2014)


134. L. Sun, C. Deser, L.M. Polvani and R. Tomas: Influence of projected Arctic sea ice loss on polar stratospheric ozone and circulation in spring, Environ. Res. Lett., 9, 084016 (2014)


135. K.L. Smith, R.R. Neely, D.R. Marsh and L.M. Polvani: The Specified Chemistry Whole Atmosphere Community Climate Model (SC-WACCM), J. Adv. Model. Earth. Syst., 6, 883-901 (2014)


136. K.M. Grise and L.M. Polvani: Southern Hemisphere cloud-dynamics biases in CMIP5 models and their implications for climate projections, J. Climate, 27, 6074-6092 (2014)


137. K.L. Smith and L.M. Polvani: The surface impacts of Arctic stratospheric ozone anomalies, Environ. Res. Lett., 9, 074015 (2014)


138. H.E. Rieder, L.M. Polvani and S. Solomon: Distinguishing the impacts of ozone-depleting substances and well-mixed greenhouse gases on Arctic stratospheric ozone and temperature trends, Geophys. Res. Lett., 41, 2652-2660 (2014)


139. A.H. Butler, L.M. Polvani and C. Deser: Separating the stratospheric and tropospheric pathways of El Niño-Southern Oscillation teleconnections, Environ. Res. Lett., 9, 024014 (2014)


140. K.M. Grise and L.M. Polvani: Is climate sensitivity related to dynamical sensitivity? A Southern Hemisphere perspective, Geophys. Res. Lett., 41, 534-540 (2014)


141. E.A. Barnes, N.W. Barnes and L.M. Polvani: Delayed Southern Hemisphere climate change induced by stratospheric ozone recovery, as projected by the CMIP5 models, J. Climate, 27, 852-867 (2014)


142. C. Orbe, M. Holzer, L.M. Polvani, D.W. Waugh, F. Li, L.D. Oman and P.A. Newman: Seasonal Ventilation of the Stratosphere: Robust Diagnostics from One-Way Flux Distributions, J. Geophys. Res., 9, 293-306 (2014)


143. K.M. Grise, S.-W. Son, G.P.J. Correa and L.M. Polvani: The response of mid-latitude storms in the Southern Hemisphere to stratospheric ozone depletion in the 20th Century, Atmos. Sci. Lett., 15, 29-36 (2014)


144. P.L.M. Gonzalez, L.M. Polvani, R. Seager and G.J.P Correa: Stratospheric ozone depletion: a key driver of recent precipitation trends in South Eastern South America, Clim. Dyn., 42, 1775-1792 (2014)



2013



145. Y. Wu, L.M. Polvani and R. Seager: The importance of the Montreal Protocol in protecting the earth's hydroclimate, J. Climate, 26, 4049-4068 (2013)

→ Columbia University press release


146. E.A. Barnes and L.M. Polvani: Response of the midlatitude jets, and of their variability, to increased greenhouse gases in the CMIP5 models, J. Climate, 26, 7117-7135 (2013)


147. K.L. Smith, M. Previdi and L.M. Polvani: The Antarctic atmospheric energy budget. Part II: The Effect of Ozone Depletion and its Projected Recovery, J. Climate, 26, 9729-9744 (2013)


148. M. Previdi, K.L. Smith and L.M. Polvani: The Antarctic atmospheric energy budget. Part I: Climatology and intraseasonal-to-interannual variability, J. Climate, 26, 6406-6418 (2013)


149. S.M. Kang, C. Deser and L.M. Polvani: Uncertainty in climate change projections of the Hadley circulation: the role of internal variability, J. Climate, 26, 7541-7554 (2013)


150. N.F Tandon, E.P. Gerber, A.H. Sobel and L.M. Polvani: Understanding Hadley cell expansion vs. contraction: Insights from simplified models and implications for recent observations, J. Climate, 26, 4304-4321 (2013)


151. D.R. Marsh, M.J. Mills, D.E. Kinnison, J.-F. Lamarque, N. Calvo and L.M. Polvani: Climate change from 1850 to 2005 simulated in CESM1(WACCM), J. Climate, 26, 7372-7391 (2013)


152. S.W Son, A. Purich, H.H. Hendon, B.M. Kim and L.M. Polvani: Improved seasonal forecast using ozone hole variability? Geophys. Res. Lett., 40, 6231-6235 (2013)


153. H.E. Rieder and L.M. Polvani: Are recent Arctic ozone losses caused by increasing greenhouse gases? Geophys. Res. Lett., 40, 4437-4441 (2013)


154. S.M. Kang, L.M. Polvani, J.C. Fyfe, S.-W. Son, M. Sigmond and G.J.P. Correa: Modeling evidence that ozone depletion has impacted extreme precipitation in the austral summer, Geophys. Res. Lett., 40, 4054-4059 (2013)

→ Nature Geoscience Highlights


155. K.M. Grise, L.M. Polvani, G. Tselioudis, Y. Wu and M.D. Zelinka: The ozone hole indirect effect: Cloud-radiative anomalies accompanying the poleward shift of the eddy-driven jet in the Southern Hemisphere, Geophys. Res. Lett., 40, 3688-3692 (2013)

→ AGU press release
→ Nature blog


156. L.M. Polvani and K.L. Smith: Can natural variability explain observed Antarctic sea ice trends? New modeling evidence from CMIP5, Geophys. Res. Lett., 40, 3195-3199 (2013)


157. E.A. Barnes, L.M. Polvani and A.H. Sobel: Model projections of atmospheric steering of Sandy-like superstorms, Proc. Nat. Acad. Sci., 110, 15211-15215 (2013)

→ National Geographic Daily News


158. M. Holzer and L.M. Polvani: Lifetime dependent flux into the lower stratosphere for idealized trace gases of surface origin, J. Geophys. Res., 118, 9367-9375 (2013)


159. A.J. Charlton-Perez, M. P. Baldwin, T. Birner, R. X. Black, A. H. Butler, N. Calvo, N. A. Davis, E. P. Gerber, N. Gillett, S. Hardiman, J. Kim, K. Krueger, Y.-Y. Lee, E. Manzini, B. A. McDaniel, L. M. Polvani, T. Reichler, T. A. Shaw, M. Sigmond, S.-W. Son, M. Toohey, L. J. Wilcox, S. Yoden, B. Christiansen, F. Lott, D. Shindell, S. Yukimoto and S. Watanabe: On the lack of stratospheric dynamical variability in low-top versions of the CMIP5 models, J. Geophys. Res., 118, 1-12 (2013)


160. C. Orbe, M. Holzer, L.M. Polvani and D.W. Waugh: Air-mass origin as a diagnostic of climate change in tropospheric transport, J. Geophys. Res., 118, 1459-1470 (2013)


161. J.F. Booth, S. Wang and L.M. Polvani: Midlatitude storms in a moister world: Lessons from idealized baroclinic life cycle experiments, Clim. Dyn., 41, 787-802 (2013)


162. H.E. Rieder, A.M. Fiore, L.M. Polvani, J.-F. Lamarque and Y. Fang: Changes in the frequency and return level of high ozone pollution events over the Eastern United States following emission controls, Environ. Res. Lett., 8, 014012 (2013)



2012



163. K.M. Smith, L.M. Polvani and D.R. Marsh: Mitigation of 21st century Antarctic sea ice loss by stratospheric ozone recovery, Geophys. Res. Lett., 39, L20701 (2012)


164. C.M. Bitz and L.M. Polvani: Antarctic climate response to stratospheric ozone depletion in a fine resolution ocean climate model, Geophys. Res. Lett., 39, L20705 (2012)


165. C.I. Garfinkel, A.H. Butler, D.W. Waugh, M.M. Hurwitz and L.M. Polvani: Why might stratospheric sudden warmings occur with similar frequency in El Niño and La Niña winters? J. Geophys. Res., 117, D19106 (2012)


166. L.M. Polvani and S. Solomon: The signature of ozone depletion on tropical temperature trends, as revealed by their seasonal cycle in model integrations with single forcings, J. Geophys. Res., 117, D17102 (2012)


167. S. Wang, E.P Gerber and L.M. Polvani: Abrupt circulation responses to tropical upper tropospheric warming in a relatively simple stratosphere-resolving AGCM, J. Climate, 25, 4097-4115 (2012)


168. M. Previdi and L.M. Polvani: Comment on "Tropospheric temperature response to stratospheric ozone recovery in the 21st century" by Hu et al. (2011), Atmos. Chem. Phys., 12, 4893-4896 (2012)


169. T. Ndarana, D.W. Waugh, L.M. Polvani, G.J.P. Correa and E.P. Gerber: Antarctic ozone depletion and trends in tropopause Rossby wave breaking, Atmos. Sci. Lett., 13, 164-168 (2012)


170. C. Orbe, M. Holzer and L.M. Polvani: Flux distributions as robust diagnostics of stratosphere-troposphere exchange, J. Geophys. Res., 117, D01302 (2012)



2011



171. A.P. Showman and L.M. Polvani: Equatorial superrotation on tidally locked exoplanets, Astrophys. J., 738:71 (2011)


172. A.H. Butler and L.M. Polvani: El Niño, La Niña, and stratospheric sudden warmings: A re-evaluation in light of the observational record, Geophys. Res. Lett., 38, L13807 (2011)


173. S.-W. Son, N.F. Tandon and L.M. Polvani: The fine-scale structure of the global tropopause derived from COSMIC GPS radio occultation measurements, J. Geophys. Res., 116, D20113 (2011)


174. S.M. Kang, L.M. Polvani, J.C. Fyfe and M. Sigmond: Impact of polar ozone depletion on subtropical precipitation, Science, 332, 951-954 (2011)

→ supplementary material
→ commentary (by S. Feldstein)


175. N.F. Tandon, L.M. Polvani and S.M. Davis: The response of the tropospheric circulation to water vapor-like forcings in the stratosphere, J. Climate, 24, 5713-5720 (2011)


176. L.M. Polvani, D.W. Waugh, G.J.P. Correa and S.-W. Son: Stratospheric ozone depletion: the main driver of 20th Century atmospheric circulation changes in the Southern Hemisphere, J. Climate, 24, 795-812 (2011)


177. L.M. Polvani, M. Previdi and C. Deser: Large cancellation, due to ozone recovery, of future Southern Hemisphere atmospheric circulation trends, Geophys. Res. Lett., 38, L04707 (2011)

→ commentary (by J. Perlwitz)


178. S.M. Kang and L.M. Polvani: The interannual relationship between the eddy-driven jet and the edge of the Hadley cell, J. Climate, 24, 563-568 (2011)


179. S. Wang and L.M. Polvani: Double tropopause formation in idealized baroclinic life cycles: The key role of an initial tropopause inversion layer, J. Geophys. Res., 16, D05108 (2011)



2010



180. A.P. Showman and L.M. Polvani: The Matsuno-Gill model and equatorial superrotation, Geophys. Res. Lett., 37, L18811 (2010)


181. S.-W. Son, E.P. Gerber, J. Perlwitz, L.M. Polvani, N. Gillett, K.-H. Seo and CCMVal Co-authors: Impact of stratospheric ozone on Southern Hemisphere circulation change: A multimodel assessment, J. Geophys. Res., 115, D00M07 (2010)


182. D.W. Waugh and L.M. Polvani: Stratospheric polar vortices , in The Stratosphere: Dynamics, Chemistry, and Transport, Geophys. Monogr. Ser., 190, , edited by L. M. Polvani, A. H. Sobel, and D. W. Waugh, pp. 43--57, AGU, Washington, D. C. (2010)



2009



183. E.P. Gerber, C. Orbe and L.M. Polvani: Stratospheric influence on the tropospheric circulation revealed by idealized ensemble forecasts, Geophys. Res. Lett., 36, L24801 (2009)


184. S.W. Son, N.F. Tandon, L.M. Polvani and D.W. Waugh: The ozone hole and Southern Hemisphere climate change, Geophys. Res. Lett., 36, L15705 (2009)


185. O. Martius, L.M. Polvani and H.C. Davies: Blocking precursors to stratospheric sudden warming events, Geophys. Res. Lett., 36, L14806 (2009)


186. E.P. Gerber and L.M. Polvani: Stratosphere-troposphere coupling in a relatively simple AGCM: The importance of stratospheric variability, J. Climate, 22, 1920-1933 (2009)


187. N.J. Matthewman, J.G. Esler, A.J. Charlton-Perez and L.M. Polvani: A new look at stratospheric sudden warmings. Part III. Polar vortex evolution and vertical structure, J. Climate, 22, 1566-1585 (2009)


188. S.W. Son, M. Ting and L.M. Polvani: The effect of topography on storm track intensity in a simple general circulation model, J. Atmos. Sci., 66, 393-411 (2009)


189. S.W. Son, L.M. Polvani, D.W. Waugh and CCMVal co-authors: The impact of stratospheric ozone recovery on tropopause height trends, J. Climate, 22, 429-445 (2009)



2008



190. R.K. Scott and L.M. Polvani: Equatorial superrotation in shallow atmospheres, Geophys. Res. Lett., 35, L24202 (2008)


191. E.P. Gerber, L.M. Polvani and D. Ancukiewicz: Annular mode time scales in the Intergovernmental Panel on Climate Change Fourth Assessment Report models, Geophys. Res. Lett., 35, L22707 (2008)


192. A.J. Charlton-Perez, L.M. Polvani, J. Austin and F. Li: The frequency and dynamics of stratospheric sudden warmings in the 21st century, J. Geophys. Res., 113, D1611 (2008)


193. S.W. Son, L.M. Polvani, D.W. Waugh and CCMVal co-authors: The impact of stratospheric ozone recovery on the Southern Hemisphere westerly jet, Science, 320, 1486-1489 (2008)   [ supp. mat. ]


194. R.K. Scott, L.M. Polvani and D.W. Waugh: Internal variability of the winter stratosphere. Part II: Time-dependent forcing, J. Atmos. Sci., 65, 2375-2388 (2008)


195. E.P. Gerber, S. Voronin and L.M. Polvani: Testing the annular mode autocorrelation timescale in simple atmospheric general circulation models, Mon. Weather Res., 136, 1523-1536 (2008)


196. K.D. Krouse, A.H. Sobel and L.M. Polvani: On the wavelength of Rossby waves radiated by tropical cyclones, J. Atmos. Sci., 65, 644-654 (2008)



2007



197. L.M. Polvani and J.G. Esler: Transport and mixing of chemical airmasses in idealized baroclinic life cycles, J. Geophys. Res., 112, D23102 (2007)


198. R.K. Scott and L.M. Polvani: Forced-dissipative shallow-water turbulence on the sphere and the atmospheric circulation of the giant planets, J. Atmos. Sci., 64, 3158-3176 (2007)


199. S.W. Son and L.M. Polvani: The dynamical formation of an extra-tropical tropopause inversion layer in a relatively simple general circulation model, Geophys. Res. Lett., 34, L17806 (2007)


200. A.J. Charlton and L.M. Polvani: A new look at stratospheric sudden warmings. Part I. Climatology and modeling benchmarks, J. Climate, 20, 449-469 (2007)

→ please note this CORRIGENDUM


201. A.J. Charlton, L.M. Polvani, J. Perlwitz, F. Sassi, E. Manzini, S. Pawson, J.E. Nielsen, K. Shibata and D. Rind: A new look at stratospheric sudden warmings. Part II. Evaluation of numerical model simulations, J. Climate, 20, 470-488 (2007)


202. M.A.H. Wittman, A.J. Charlton and L.M. Polvani: The effect of lower stratospheric shear on baroclinic instability, J. Atmos. Sci., 64, 479-496 (2007)

→ please note these CORRIGENDA



2006



203. R.K. Scott and L.M. Polvani: Internal variability of the winter stratosphere. Part I: Time-independent forcing, J. Atmos. Sci., 63, 2758-2776 (2006)


204. P.J. Kushner and L.M. Polvani: Stratosphere-troposphere coupling in a relatively simple AGCM: Impact of the seasonal cycle, J. Climate, 19, 5721-5727 (2006)


205. S.P. Burns, A.H. Sobel and L.M. Polvani: Asymptotic solutions of the axisymmetric moist Hadley circulation in a model with two vertical modes, Theor. Comp. Fluid Dyn., 10.1007/s00162-006-0024-z (2006)


206. J.G. Esler, L.M. Polvani and R.K. Scott: The Antarctic stratospheric sudden warming of 2002: A Self-Tuned Resonance? Geophys. Res. Lett., 33, L12804 (2006)



2005



207. T. Reichler, P.J. Kushner and L.M. Polvani: The coupled stratosphere-troposphere response to impulsive forcing from the troposphere, J. Atmos. Sci., 62, 3337-3352 (2005)


208. M.A.H. Wittman, A.J. Charlton and L.M. Polvani: On the meridional structure of annular modes, J. Climate, 18, 2119-2122 (2005)


209. P.J. Kushner and L.M. Polvani: A very large, spontaneous stratospheric sudden warming in a simple AGCM: A prototype for the Southern Hemisphere warming of 2002? J. Atmos. Sci., 62, 890-897 (2005)



2004



210. L.M. Polvani, R.K. Scott and S.J. Thomas: Numerically converged solutions of the global primitive equations for testing the dynamical core of atmospheric GCMs, Mon. Weather Res., 132, 2539-2552 (2004)


211. L.M. Polvani and D.W. Waugh: Upward wave activity flux as precursor to extreme stratospheric events and subsequent anomalous surface weather regimes, J. Climate, 17, 3548-3554 (2004)


212. J. Galewsky, R.K. Scott and L.M. Polvani : An initial-value problem for testing numerical models of the global shallow water equations, Tellus, A 56 (5), 429-440 (2004)

→ please note this CORRIGENDUM


213. M.A.H. Wittman, L.M. Polvani, R.K. Scott and A.J. Charlton: Stratospheric influence on baroclinic lifecycles and its connection to the Arctic Oscillation, Geophys. Res. Lett., 31, L16113 (2004)


214. J.G. Esler and L.M. Polvani: Kelvin-Helmholtz instability of potential vorticity layers: A route to mixing, J. Atmos. Sci., 61, 1392-1405 (2004)


215. R.K. Scott and L.M. Polvani: Stratospheric control of upward wave flux near the tropopause, Geophys. Res. Lett., 31, L02115 (2004)


216. R.K. Scott, D.G. Dritschel, L.M. Polvani and D.W. Waugh: Enhancement of Rossby wave breaking by steep potential vorticity gradients in the winter stratosphere, J. Atmos. Sci., 61, 904-918 (2004)


217. P.J. Kushner and L.M. Polvani: Stratosphere-troposphere coupling in a relatively simple AGCM: The role of eddies, J. Climate, 17, 629-639 (2004)



2002



218. L.M. Polvani and P.J. Kushner: Tropospheric response to stratospheric perturbations in a relatively simple general circulation model, Geophys. Res. Lett., 29, no. 7 (2002)

→ please note this technical CORRIGENDUM
→ commentary (by Mark Baldwin)


219. L.M. Polvani and A.H. Sobel: The Hadley circulation and the weak temperature gradient approximation, J. Atmos. Sci., 59, 1744-1752 (2002)


220. L. Rivier, R. Loft and L.M. Polvani: An efficient spectral dynamical core for distributed memory computers, Mon. Weather Res., 130, 1384-1396 (2002)



2001



221. A. H. Sobel, J. Nilsson and L.M. Polvani: The weak temperature gradient approximation and balanced tropical moisture waves, J. Atmos. Sci., 58, 3650-3665 (2001)


222. M.H. Visbeck, J.W. Hurrell, L.M. Polvani and H.M. Cullen: The North Atlantic oscillation: past, present, and future, Proc. Nat. Acad. Sci., 98, 12876-12877 (2001)



2000



223. D.W. Waugh and L.M. Polvani: Climatology of intrusions into the tropical upper troposphere, Geophys. Res. Lett., 27, 3857-3860 (2000)


224. L.M. Polvani and R. Saravanan: The three-dimensional structure of breaking Rossby waves in the polar wintertime stratosphere, J. Atmos. Sci., 57, 3663-3685 (2000)


225. A. Kuo and L.M. Polvani: Geostrophic adjustment, cyclone/anticyclone asymmetry, and potential vorticity rearrangement, Phys. Fluids, 12, 1087-1100 (2000)


226. J.G. Esler, L.M. Polvani and R.A. Plumb: The effect of a Hadley circulation on the propagation and reflection of planetary waves in a simple one-layer model, J. Atmos Sci., 57, 1536-1556 (2000)



1999



227. J.G. Esler, L.M. Polvani and R.A. Plumb: On the mix-down times of dynamically active potential vorticity filaments, Geophys. Res. Lett., 26, 2953-2956 (1999)


228. A. Kuo and L.M. Polvani: Wave-vortex interactions in rotating shallow water. Part I. One space dimension, J. Fluid Mech., 394, 1-27 (1999)


229. D.G. Dritschel, L.M. Polvani and A.R. Mohebalhojeh: The contour-advective semi-Lagrangian algorithm for the shallow-water equations, Mon. Weather Res., 127, 1551-1565 (1999)


230. L.M. Polvani, J.G. Esler and R.A. Plumb: Time variability and Simmons-Wallace-Branstator instability in a simple nonlinear model, J. Atmos Sci., 56, 1445-1460 (1999)



1998



231. M. DiBattista and L.M. Polvani: Barotropic vortex pairs on a rotating sphere, J. Fluid Mech., 358, 107-133 (1998)



1997



232. A. Kuo and L.M. Polvani: Time-dependent fully nonlinear geostrophic adjustment, J. Phys. Ocean., 27, 1614-1634 (1997)



1996



233. J. Cho and L.M. Polvani: The morphogenesis of bands and zonal winds in the atmospheres of the giant planets, Science, 273, no.5273, 335-337 (1996)

→ commentary (by P. Gierasch)


234. J. Cho and L.M. Polvani: The formation of jets and vortices from freely-evolving shallow water turbulence on the surface of a sphere, Phys. Fluids, 8, 1531-1552 (1996)


235. L.M. Polvani, D.Waugh and R.A. Plumb: Reply, J. Atmos. Sci., 53, 3772-3775 (1996)


236. J. Cho and L.M. Polvani: The robustness of self-organized zonal jets in unforced, turbulent vorticity fields, in Vortex Flows and Related Numerical Methods II, ESAIM Proceedings, 1, 447-462 (1996)



1995



237. L.M. Polvani, D.Waugh and R.A. Plumb: On the subtropical edge of the stratospheric surf zone, J. Atmos. Sci., 52, 1288-1309 (1995)



1994



238. L.M. Polvani, J.C. McWilliams, M. Spall and R. Ford: The coherent structures of shallow water turbulence: deformation radius effects, cyclone/anticyclone asymmetry and gravity wave generation, Chaos, 4, 177-186 (1994)


239. D. Waugh, L.M. Polvani and R.A. Plumb: Nonlinear, barotropic response to localized topographic forcing: Rossby-wave breaking and the formation of a tropical surf-zone, J. Atmos. Sci., 51, 1401-1416 (1994)



1993



240. L.M. Polvani and D.G. Dritschel: Wave and vortex dynamics on the surface of the sphere, J. Fluid Mech. 255, 35-64 (1993)



1992



241. D.G. Dritschel and L.M. Polvani: The roll-up of vorticity strips on the surface of a sphere, J. Fluid Mech., 234, 47-69 (1992)


242. L.M. Polvani and R.A. Plumb: Rossby wave breaking, microbreaking, filamentation and secondary vortex formation: the dynamics of a perturbed vortex, J. Atmos. Sci., 4, 462-476 (1992)



1991



243. L.M. Polvani and J. Touma: A note on recent experiments with Rossby waves on eastward jets, in Nonlinear Phenomena in Atmospheric and Ocean Science, G. Carnevale and R. Pierrehumbert, Eds. (1991)


244. L.M. Polvani: Two-Layer Geostrophic Vortex Dynamics. Part II. Alignment and Two-Layer V-States, J. Fluid Mech., 225, 241-270 (1991)



1990



245. L.M. Polvani, J. Wisdom, E. deJong and A. Ingersoll: Simple dynamical models of Neptune's Great Dark Spot, Science, 249, 1393-1398 (1990)


246. L.M. Polvani and J. Wisdom: On Chaotic Flow around the Kida Vortex, in Topological Aspects of Fluid Mechanics, C.U.P., H.K.Moffat, Ed., (1990)


247. L.M Polvani and X.J. Carton: The Tripole: a New Coherent Vortex Structure of Inviscid Two-Dimensional Flows, Geophys. Astrophys. Fluid Dyn., 51, 87-102 (1990)


248. L.M. Polvani and J.Wisdom: Chaotic Lagrangian trajectories around an elliptical vortex patch embedded in a constant and uniform background shear flow, The Physics of Fluids A, 2, 123-126 (1990)



1989



249. L.M. Polvani, N.J. Zabusky and G.R. Flierl: Two-Layer Geostrophic Vortex Dynamics. Part I. Upper-Layer V-States and Merger, J. Fluid Mech., 205, 215-242 (1989)


250. L.M. Polvani, G.R. Flierl and N.J. Zabusky: Filamentation of Unstable Vortex Structures via Separatrix Crossing: a Quantitative Estimate of Onset Time, The Physics of Fluids A, 1, 181-184 (1989)


251. X.J. Carton, G.R. Flierl and L.M. Polvani: The generation of tripoles from unstable axisymmetric vortex structures, Europhysics Letters, 9, 339-344 (1989)



1988



252. L.M. Polvani and J. Pedlosky: The Effect of Dissipation on Spatially Growing Nonlinear Baroclinic Waves, J. Atmos. Sci., 45, 1977-1989 (1988)



1987



253. J. Pedlosky and L.M. Polvani: Wave-Wave Interaction of Unstable Baroclinic Waves, J. Atmos. Sci., 44, 631-647 (1987)



1986



254. L.M. Polvani and G.R.Flierl: Generalized Kirchhoff Vortices, The Physics of Fluids, 29, 2376-2379 (1986)



1982



255. Y. Afek, B. Margolis and L.M. Polvani: The production of heavy particles by protons on protons, Phys. Rev. D, 25, 1833-1837 (1982)