R. A. Anthes, The COSMIC/FORMOSAT-3 mission: Early results, Bull. Am. Meteorol. Soc, vol.89, pp.313-333, 2008.

G. Beyerle, T. Schmidt, G. Michalak, S. Heise, J. Wickert et al., GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique, Geophys. Res. Lett, vol.32, p.13806, 2005.

U. Foelsche, M. Borsche, A. K. Steiner, A. Gobiet, B. Pirscher et al., Observing upper troposphere-lower stratosphere climate with radio occultation data from the CHAMP satellite, Clim. Dyn, vol.31, pp.49-65, 2008.

U. Foelsche, B. Pirscher, M. Borsche, A. K. Steiner, G. Kirchengast et al., Climatologies based on radio occultation data from CHAMP and Formosat-3/COSMIC, New Horizons in Occultation Research: Studies in Atmosphere and Climate, pp.181-194, 2009.

U. Foelsche, B. Scherllin-pirscher, F. Ladstädter, A. K. Steiner, and G. Kirchengast, Refractivity and temperature climate records from multiple radio occultation satellites consistent within 0.05%, Atmos. Meas. Tech, vol.4, 2007.

M. Free, The seasonal structure of temperature trends in the tropical lower stratosphere, J. Clim, vol.24, pp.859-866, 2011.

Q. Fu, S. Solomon, and P. Lin, On the seasonal dependence of tropical lower-stratospheric temperature trends, Atmos. Chem. Phys, vol.10, pp.2643-2653, 2010.

B. M. Funatsu, C. Claud, P. Keckhut, A. Hauchecorne, and T. Leblanc, Regional and seasonal stratospheric temperature trends in the last decade (2002-2014) from AMSU observations, J. Geophys. Res. Atmos, vol.121, pp.8172-8185, 2016.
URL : https://hal.archives-ouvertes.fr/insu-01345608

N. R. Harris, Past changes in the vertical distribution of ozone -Part 3: Analysis and interpretation of trends, Atmos. Chem. Phys, vol.15, pp.9965-9982, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01134342

S. Ho, Estimating the Uncertainty of Using GPS RO Data for Climate Monitoring: Inter-Comparison of CHAMP Refractivity Climate Records, 2002.

J. R. Holton, P. H. Haynes, M. E. Mcintyre, A. R. Douglass, R. B. Rood et al., Stratosphere-troposphere exchange, Rev. Geophys, vol.33, pp.403-439, 1995.

P. Keckhut, B. M. Funatsu, C. Claud, and A. Hauchecorne, Tidal effects on stratospheric temperature series derived from successive advanced microwave sounding units, Q. J. R. Meteorol. Soc, vol.141, pp.477-483, 2015.
URL : https://hal.archives-ouvertes.fr/hal-00989750

E. R. Kursinski, G. A. Hajj, K. R. Hardy, J. T. Schofield, and R. Linfield, Observing the Earth's atmosphere with radio occultation measurements using the Global Positioning System, J. Geophys. Res, vol.102, pp.429-452, 1997.

F. Ladstädter, A. K. Steiner, U. Foelsche, L. Haimberger, C. Tavolato et al., An assessment of differences in lower stratospheric temperature records from (a)MSU, radiosondes, and GPS radio occultation, Atmos. Meas. Tech, vol.4, 1965.

S. S. Leroy, J. G. Anderson, and J. A. Dykema, Climate benchmarking using GNSS occultation, Atmosphere and Climate: Studies by Occultation Methods, pp.287-301, 2006.

J. Luntama, G. Kirchengast, M. Borsche, U. Foelsche, A. Steiner et al., Prospects of the EPS GRAS mission for operational atmospheric applications, Bull. Am. Meteorol. Soc, vol.89, issue.12, pp.1863-1875, 2008.

C. Mclandress, T. S. Shepherd, A. I. Jonsson, T. Von-clarmann, and B. Funke, A method for merging nadir-sounding climate records, with an application to the global-mean stratospheric temperature data sets from SSU and AMSU, Atmos. Chem. Phys, vol.15, pp.9271-9284, 2015.

A. Osso, Y. Sola, K. Rosenlof, B. Hassler, J. Bech et al., How robust are trends in the Brewer-Dobson circulation derived from observed stratospheric temperatures?, J. Clim, vol.28, pp.3024-3040, 2015.

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. Clim, vol.30, pp.2523-2534, 2017.

V. Ramaswamy, Stratospheric temperature trends: Observations and model simulations, Rev. Geophys, vol.39, pp.71-122, 2001.

W. J. Randel, An update of observed stratospheric temperature trends, J. Geophys. Res, vol.114, p.2107, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00355600

W. J. Randel, A. K. Smith, F. Wu, C. Zhou, and H. Qian, Stratospheric temperature trends over 1979-2015 derived from combined SSU, MLS, and SABER satellite observations, J. Clim, vol.29, pp.4843-4859, 2016.

P. J. Rousseeuw, A. M. Leroy-;-hoboken, N. J. Scherllin-pirscher, B. , G. Kirchengast et al., Quantifying uncertainty in climatological fields from GPS radio occultation: An empirical-analytical error model, Atmos. Meas. Tech, vol.589, 2005.

D. J. Seidel, N. P. Gillett, J. R. Lanzante, K. P. Shine, and P. W. Thorne, Stratospheric temperature trends: Our evolving understanding, Wiley Interdiscip. Rev. Clim. Change, vol.2, pp.592-616, 2011.

D. J. Seidel, J. Li, C. Mears, I. Moradi, J. Nash et al., Stratospheric temperature changes during the satellite era, J. Geophys. Res. Atmos, vol.121, pp.664-681, 2016.

K. P. Shine, The middle atmosphere in the absence of dynamical heat fluxes, Q. J. R. Meteorol. Soc, vol.113, pp.603-633, 1987.

A. K. Steiner, G. Kirchengast, and H. P. Ladreiter, Inversion, error analysis, and validation of GPS/MET occultation data, Ann. Geophys, vol.17, pp.122-138, 1999.
URL : https://hal.archives-ouvertes.fr/hal-00316510

A. K. Steiner, G. Kirchengast, M. Borsche, U. Foelsche, and T. Schoengassner, A multi-year comparison of lower stratospheric temperatures from CHAMP radio occultation data with MSU/AMSU records, J. Geophys. Res, vol.112, p.22110, 2007.

A. K. Steiner, G. Kirchengast, B. C. Lackner, B. Pirscher, M. Borsche et al., Atmospheric temperature change detection with GPS radio occultation, Geophys. Res. Lett, vol.36, p.18702, 1995.

A. K. Steiner, B. C. Lackner, F. Ladstädter, B. Scherllin-pirscher, U. Foelsche et al., GPS radio occultation for climate monitoring and change detection, Radio Sci, vol.46, pp.0-24, 2011.

R. S. Stolarski, A. R. Douglass, P. A. Newman, S. Pawson, and M. R. Schoeberl, Relative contribution of greenhouse gases and ozone-depleting substances to temperature trends in the stratosphere: Achemistry-climate model study, J. Clim, vol.23, pp.28-42, 2010.

D. W. Thompson and S. Solomon, Recent stratospheric climate trends as evidenced in radiosonde data: Global structure and tropospheric linkages, J. Clim, vol.18, pp.4785-4795, 2005.

D. W. Thompson, D. J. Seidel, W. J. Randel, C. Zou, A. H. Butler et al., The mystery of recent stratospheric temperature trends, Nature, vol.491, pp.692-697, 2012.

P. W. Thorne, J. R. Lanzante, T. C. Peterson, and D. J. Seidel, Shine KP. Tropospheric temperature trends: History of an ongoing controversy, pp.66-88, 2010.

W. Wang and C. Zou, AMSU-A-only atmospheric temperature data records from the lower troposphere to the top of the stratosphere, J. Atmos. Oceanic Technol, vol.31, issue.4, pp.808-825, 2014.

J. Wickert, T. Schmidt, G. Beyerle, R. Konig, C. Reigber et al., The radio occultation experiment aboard CHAMP: Operational data analysis and validation of vertical atmospheric profiles, J. Meteorol. Soc. Jpn, vol.82, pp.381-395, 2004.

P. J. Young, K. H. Rosenlof, S. Solomon, S. C. Sherwood, Q. Fu et al., Changes in stratospheric temperatures and their implications for changes in the Brewer-Dobson circulation, J. Clim, vol.25, pp.759-1772, 1979.

E. Yulaeva, J. R. Holton, and J. M. Wallace, On the cause of the annual cycle in tropical lower-stratospheric temperatures, J. Atmos. Sci, vol.51, pp.169-174, 1994.

C. Zou and W. H. Wang, Intersatellite calibration of AMSU-A observations for weather and climate applications, J. Geophys. Res, vol.116, p.23113, 2011.

C. Zou, W. Wang, and N. Program, NOAA Fundamental Climate Data Record (FCDR) of AMSU-A Level 1c Brightness Temperature, Version 1.0. [data subset: All data from, NOAA National Climatic Data Center, 2002.

C. Zou, H. Qian, W. Wang, L. Wang, and C. Long, Recalibration and merging of SSU observations for stratospheric temperature trend studies, J. Geophys. Res. Atmos, vol.119, pp.180-193, 2014.

C. Zou and H. Qian, Stratospheric temperature climate data record from merged SSU and AMSU-A observations, J. Atmos. Oceanic Technol, vol.33, 1967.