Articles

Concordiasi (McMurdo, Antarctica, 2010)

• Rabier, F., et al., The Concordiasi project in Antarctica, Bull. Am. Meteorol. Soc., 91, 69-86, 2010. PDF
• Ward, S. M., T. Deshler, and A. Hertzog, Quasi-Lagrangian measurements of nitric acid trihydrate formation over Antarctica, J. Geophys. Res., 119, 245-258, 2014. PDF
• Vincent, R. A., and A. Hertzog, The response of super pressure balloons to gravity wave motions, Atmos. Meas. Tech., 7, 1043-1055, 2014. PDF
• de la Camara, A., F. Lott, and A. Hertzog, Intermittency in a stochastic parameterization of nonorographic gravity waves, J. Geophys. Res., 119, 245-258, 2014. PDF
• Schofield, R., L. M. Avallone, L. E. Kalnajs, A. Hertzog, I. Wohltmann, and M. Rex, First quasi-Lagrangian in situ measurements of Antarctic Polar springtime ozone: observed ozone loss rates from the Concordiasi long-duration balloon campaign, Atmos. Chem. Phys., 15, 2463-2472, 2015. PDF
• Jewtoukoff, V., A. Hertzog, R. Plougonven, A. de la Camara, and F. Lott, Comparison of Gravity Waves in the Southern Hemisphere Derived from Balloon Observations and the ECMWF Analyses, J. Atmos. Sci., 72, 3449-3468, 2015. PDF
• de la Camara, A., F. Lott, V. Jewtoukoff, R. Plougonven, and A. Hertzog, On the gravity wave forcing during the southern stratospheric final warming in LMDZ, J. Atmos. Sci., 73, 3213-3226, 2016. PDF
• Zhang, W., J. Haase, A. Hertzog, Y. D. Lou and R. A. Vincent, Improvement of stratospheric balloon GPS positioning and the impact on gravity wave parameter estimation for the Concordiasi campaign in Antarctica, J. Geophys. Res. Atmos., 121, 9977-9997, DOI: 10.1002/2015JD024596, 2016. PDF
• Plougonven, R., V. Jewtoukoff, A. de la Camara, F. Lott, and A. Hertzog, On the relation between gravity waves and wind speed in the lower stratosphere over the southern ocean, J. Atmos. Sci., 74, 1075-1093, , 2017. PDF
• Hoffmann, L., A. Hertzog, T. Roessler, O. Stein, and W. Wu, Intercomparison of meteorological analyses and trajectories in the Antarctic lower stratosphere with Concordiasi superpressure balloon observations, Atmos. Chem. Phys., 17, 8045-8061, 2017. PDF

Pre-Concordiasi (Pre-Concordiasi, Tropics, 2010)

• Jewtoukoff, V., R. Plougonven, and A. Hertzog, Gravity waves generated by deep tropical convection: estimates from balloon observations and mesoscale simulations, J. Geophys. Res., 118, 9690-9707, 2013. PDF
• Podglajen, A., A. Hertzog, R. Plougonven, and N. Žagar, Assessment of the accuracy of (re)analyses in the equatorial lower stratosphere, J. Geophys. Res., 119, 11,166-11,188, 2014. PDF
• Dinh, T., A. Podglajen, A. Hertzog, B. Legras, and R. Plougonven, Effect of gravity wave temperature fluctuations on homogeneous ice nucleation in the tropical tropopause layer, Atmos. Chem. Phys.16, 35-46, 2016. PDF
• Podglajen, A., A. Hertzog, R. Plougonven, and B. Legras, Lagrangian temperature and vertical velocity fluctuations due to gravity waves in the lower stratosphere, Geophys. Res. Lett., 43, 3543-3553, 2016. PDF and supporting material
• Jensen, E. J., R. Ueyama, L. Pfister, T. V. Bui, M. J. Alexander, A. Podglajen, A. Hertzog, S. Woods, R. P. Lawson, J. E. Kim and M. E. Schoeberl, High-frequency gravity waves and homogeneous ice nucleation in tropical tropopause layer cirrus, Geophys. Res. Lett., 43, 6629-6635, 2016. PDF

Vorcore (McMurdo, Antarctica, 2005)

• Hertzog, A., et al., Stratéole/Vorcore --- Long-duration, superpressure balloons to study the Antarctic lower stratosphere during the 2005 winter, J. Atmos. Ocean. Technol., 24, 2048-2061, 2007. PDF
• Vincent, R. A., A. Hertzog, G. Boccara, and F. Vial, Quasi-Lagrangian superpressure balloon measurements of gravity-wave momentum fluxes in the polar stratosphere of both hemispheres, Geophys. Res. Lett., 34, L19804, 2007. PDF
• McDonald, A., and A. Hertzog, Comparison of Stratospheric Measurements made by CHAMP Radio Occultation and Strateole/Vorcore in-situ data, Geophys. Res. Lett., 35, L11805, 2008. PDF
• Plougonven, R., A. Hertzog, and H. Teitelbaum, Observations and simulations of a large-amplitude mountain wave breaking over the Antarctic Peninsula, J. Geophys. Res., 113, D16113, 2008. PDF
• Boccara, G., A. Hertzog, R. A. Vincent, and F. Vial, Estimation of gravity-wave momentum fluxes and phase speeds from quasi-Lagrangian stratospheric balloon flights. 1: Theory and simulations, J. Atmos. Sci., 65, 3042-3055, 2008. PDF
• Hertzog, A., G. Boccara, R. A. Vincent, F. Vial, and Ph. Cocquerez, Estimation of gravity-wave momentum fluxes and phase speeds from quasi-Lagrangian stratospheric balloon flights. 2: Results from the Vorcore campaign in Antarctica, J. Atmos. Sci., 65, 3056-3070, 2008. PDF
• Boccara, G., A. Hertzog, C. Basdevant, and F. Vial, Accuracy of NCEP/NCAR reanalyses and ECMWF analyses in the lower stratosphere over Antarctica in 2005, J. Geophys. Res., 113, D20115, 2008. PDF
• Plougonven, R., A. Arsac, A. Hertzog, L. Guez, and F. Vial, Sensitivity study for mesoscale simulations of gravity waves above Antarctica during Vorcore, Q. J. R. Meteorol. Soc., 136, 1371-1377, 2010. PDF
• Hertzog, A., M. J. Alexander, and R. Plougonven, On the intermittency of gravity wave momentum flux in the stratosphere, J. Atmos. Sci, 69, 3433-3348, 2012. PDF
• Plougonven, R., A. Hertzog, and L. Guez, Gravity waves over Antarctica and the Southern Ocean: consistent momentum fluxes in mesoscale simulations and stratospheric balloon observations , Q. J. R. Meteorol. Soc., 139, 101-118, 2013. PDF
• Plougonven, R., A. Hertzog, and M. J. Alexander, Case studies of nonorographic gravity waves over the Southern Ocean emphasize the role of moisture , J. Geophys. Res., 120, 1278-1299, 2015. PDF

Vorcore (pre-campaigns, Northern high latitudes and equator, 1998-2002)

• Vial, F., A. Hertzog, C. R. Mechoso, C. Basdevant, P. Cocquerez, V. Dubourg and F. Nouel, A study of the dynamics of the equatorial lower stratosphere by use of ultra-long duration balloons; 1. Planetary scales, J. Geophys. Res., 106, 22725-22743, 2001. PDF
• Hertzog, A., and F. Vial, A study of the dynamics of the equatorial lower stratosphere by use of ultra-long duration balloons; 2. Gravity waves, J. Geophys. Res., 106, 22745-22761, 2001. PDF
• Hertzog, A., F. Vial, C. R. Mechoso, C. Basdevant and P. Cocquerez, Quasi-Lagrangian measurements in the lower stratosphere reveal an energy peak associated with near-inertial waves, Geophys. Res. Lett., 29(8), 1229, 10.1029/2001GL14083, 2002. PDF
• Hertzog, A., C. Basdevant, F. Vial and C. R. Mechoso, The accuracy of stratospheric analyses in the northern hemisphere inferred from long-duration balloon flights, Q. J. R. Meteorol. Soc., 130, 607--626, 2004. PDF

Hibiscus (Southern tropics, 2002-2004)

• Knudsen, B. M., T. Christensen, A. Hertzog, A. Deme, F. Vial and J.-P. Pommereau, Accuracy of analyzed temperatures, winds and trajectories in the Southern Hemisphere tropical and midlatitude stratosphere as compared to long-duration balloon flights, Atm. Chem. Phys., 6, 5391-5397, 2006. PDF
• Pommereau, J.-P., et al., An overview of the HIBISCUS campaign, Atmos. Chem. Phys., 11, 2309-2339, 2011. PDF

SOLVE/THESEO (Northern high latitudes, 2000)

• Pommereau, J.-P., A. Garnier, B. M. Knudsen, G. Letrenne, M. Durand, P. Cseresnjes, M. Nunez Pinharanda, L. Denis, F. Vial, A. Hertzog and F. Cairo, Accuracy of stratospheric meteorological analyses in the winter Arctic vortex from infrared Montgolfier long-duration balloon flights. 1: Measurements, J. Geophys. Res., 107(D20), 8260, 10.1029/2001JD001379, 2002. PDF
• Hertzog, A., A. Dörnbrack, S. D. Eckermann, B. M. Knudsen, F. Vial and J.-P. Pommereau, In-situ observations of gravity waves and comparisons with numerical simulations during the SOLVE/THESEO 2000 campaign, J. Geophys. Res., 107(D20), 8292, 10.1029/2001JD001025, 2002. PDF

Various campaigns (1988-2001)

• Christensen, T., B. M. Knudsen, J.-P. Pommereau, G. Letrenne, A. Hertzog, F. Vial, J. Ovarlez, and M. Piot, Evaluation of ECMWF ERA-40 temperature and wind in the lower tropical stratosphere since 1988 from past long-duration balloon measurements, Atm. Chem. Phys., 7, 3399-3409, 2007. PDF

Éole (Southern Hemisphere, 1971-1972)

• Hertzog, A., C. Basdevant and F. Vial, An assessment of ECMWF and NCEP/NCAR reanalyses in the southern hemisphere at the end of the pre-satellite era: results from the EOLE experiment (1971-1972), Mon. Wea. Rev., 134, 3367--3383, 2006. PDF

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