This information is applicable to the ALGOM: GOMOS Level 2 Algorithm Evolution Studies:

• Improvement of the algorithm for O3 and aerosol retrievals in the upper troposphere – lower stratosphere (UTLS):
  • Validation of GOMOS-ENVISAT satellite data in the UTLS region
  • Aerosol-insensitive ozone retrievals in the UTLS
  • Potential improvements of GOMOS retrievals in the UTLS using one-step approach

• Improvement of the algorithm for H2O and O2 retrievals:
  • Improvements for GOMOS H2O and O2 profiles retrieval

• Design a new algorithm for minor species using averaged transmissions:
  • Development of a level 1c product of averaged spectra for minor species retrieval

• Improve the user-friendliness of GOMOS Level 2 data by creating quality screening algorithms and forming user-friendly data sets:
  • GOMOS User Friendly Products Quality Readme File

• J. A. E. van Gijsel, D. P. J. Swart, J. L. Baray, H. Bencherif, H. Claude, T. Fehr, S. Godin-Beekmann, G. H. Hansen, P. Keckhut, T. Leblanc, I. S. McDermid, Y. J. Meijer, H. Nakane, E. J. Quel, K. Stebel, W. Steinbrecht, K. B. Strawbridge, B. I. Tatarov, and E. A. Wolfram. GOMOS ozone profile validation using ground-based and balloon sonde measurements. ATMOSPHERIC CHEMISTRY AND PHYSICS, 10(21):10473–10488, 2010.

• Janne Hakkarainen, Marko Laine, and Johanna Tamminen: GOMOS one-step retrieval algorithm, Remote Sensing of Clouds and the Atmosphere XVIII, Proceedings of SPIE Volume 8890, 2013, doi:10.1117/12.2027109

• Kyrölä, E., M. Laine, V. Sofieva, J. Tamminen, S.-M. Päivärinta, S. Tukiainen, J. Zawodny, and L. Thomason. Combined SAGE II - GOMOS ozone profile data set for 1984–2011 and trend analysis of the vertical distribution of ozone, Atmospheric Chemistry and Physics, 13(21):10645–10658, 2013.

• Tamminen, J. E. Kyrölä, V. F. Sofieva, M. Laine, J.-L. Bertaux, A. Hauchecorne, F. Dalaudier, D. Fussen, F. Vanhellemont, O. Fanton- D'Andon, G. Barrot, A. Mangin, M. Guirlet, L. Blanot, T. Fehr, L. Saavedra de Miguel, and R. Fraisse. GOMOS data characterisation and error estimation. Atmospheric Chemistry & Physics, 10:9505–9519, October 2010.

• Tegtmeier, S., M. I. Hegglin, J. Anderson, A. Bourassa, S. Brohede, D.Degenstein, L. Froidevaux, R. Fuller, B. Funke, J. Gille, A. Jones, Y. Kasai, E. Kyrölä, G. Lingenfelser, J. Lumpe, B. Nardi, J. Neu, D. Pendlebury, E. Remsberg, A. Rozanov, L. Smith, M. Toohey1, J. Urban, T. von Clarmann, K. A. Walker, and R. Wang, A comparison of ozone climatologies from international limb satellite sounders, Journal of Geophysical Research (Atmo- spheres), 118:12229, November 2013.

• Fussen, D., Vanhellemont, F., Bingen, C., Kyrola, A., Tamminen, J., Sofieva,V., Hassinen, S., Seppala, A., Verronen, P., Bertaux, J.-L., Hauchecorne, A., Dalaudier, F., Renard, J.-B., Fraisse, R., Fanton d'Andon, O.,Barrot, G., Mangin, A., Theodore, B., Guirlet, M., Koopman, R., Snoeij, P., Saavedra, L., Global measurements of the mesospheric sodium layer by the star occultation instrument GOMOS, Geophys. Res. Lett., 32,doi:10.1029/2004GL021618, 2005.

• Fussen, D., Vanhellemont, F., Tetard, C., Mateshvili, N., Dekemper, E., Loodts, N., Bingen, C., Kyrola, E., Tamminen, J., Sofieva, V., Hauchecorne, A., Dalaudier, F., Bertaux, J.-L., Barrot, G., Blanot, L., Fanton d'Andon, O., Fehr, T., Saavedra, L., Yuan, T., and She, C.- Y., A global climatology of the mesospheric sodium layer from GOMOS data during the 2002–2008 period, Atmos. Chem. Phys., 10, 9225-9236, doi:10.5194/acp-10-9225-2010, 2010.

• Fussen, D., Vanhellemont, F., Dodion, J., Bingen, C., Mateshvili, N., Daerden, F., Fonteyn, D., Errera, Q., Chabrillat, S., Kyrola, E., Tamminen, J., Sofieva, V., Hauchecorne, A., Dalaudier, F., Bertaux, J.-L., Renard, J.-B., Fraisse, R., Fanton d'Andon, O., Barrot, G., Guirlet, M., Mangin, A., Fehr, T., Snoej, P., Saavedra, L., A global OClO stratospheric layer discovered in GOMOS stellar occultation measurements, Geophys. Res. Lett., 33, doi:10.1029/2006GL026406, 2006.

• Riu, J. and Bro, R., Jack–knife technique for outlier detection and estimation of standard errors in PARAFAC models, Chemometr. Intell. Lab., 65, 35–49, 2002.

• Tetard, C., Fussen, D., Bingen, C., Capouillez, N., Dekemper, E., Loodts, N., Mateshvili, N., Vanhellemont, F., Kyrola, E., Tamminen, J., Sofieva, V., Hauchecorne, A., Dalaudier, F., Bertaux, J.-L., Fanton d'Andon, O., Barrot, G., Guirlet, M., Fehr, T., and Saavedra, L., Simultaneous measurements of OClO, NO2 and O3 in the Arctic polar vortex by the GOMOS instrument, Atmos. Chem. Phys., 9, 7857-7866, doi:10.5194/acp-9-7857-2009, 2009.

• Hauchecorne, A., Bertaux, J.-L., Dalaudier, F., Cot, C., Lebrun, J.-C.,Bekki, S., Marchand, M., Kyrölä, E., Tamminen, J., Sofieva, V., Fussen,D., Vanhellemont, F., Fanton d'Andon, O., Barrot, G., Mangin, A.,Théodore, B., Guirlet, M., Snoeij, P., Koopman, R., Saavedra de Miguel,L., Fraisse, R., Renard, J.-B., First simultaneous global measurements of nighttime stratospheric NO2 and NO3 observed by Global Ozone Monitoring by Occultation of Stars (GOMOS)/Envisat in 2003 J. Geophys. Res., Vol. 110, No. D18, D18301, doi: 10.1029/2004JD005711, 2005.

• Kyrölä, E., J. Tamminen, V. Sofieva, J. L. Bertaux, A. Hauchecorne, F. Dalaudier, D. Fussen, F. Vanhellemont, O. Fanton D'Andon, G. Barrot, M. Guirlet, T. Fehr, and L. Saavedra de Miguel, GOMOS O3, NO2, and NO3 observations in 2002-2008. Atmospheric Chemistry & Physics, 10:7723–7738, August 2010.

• Vanhellemont, F., D. Fussen, N. Mateshvili, C. T ́etard, C. Bin- gen, E. Dekemper, N. Loodts, E. Kyrölä, V. Sofieva, J. Tamminen, A. Hauchecorne, J.-L. Bertaux, F. Dalaudier, L. Blanot, O. Fanton D'Andon, G. Barrot, M. Guirlet, T. Fehr, and L. Saavedra. Optical extinction by upper tropospheric/stratospheric aerosols and clouds: GOMOS observations for the period 2002-2008. Atmospheric Chemistry & Physics, 10:7997–8009, 2010.

• Tamminen, J. E. Kyrölä, V. F. Sofieva, M. Laine, J.-L. Bertaux, A. Hauchecorne, F. Dalaudier, D. Fussen, F. Vanhellemont, O. Fanton- D'Andon, G. Barrot, A. Mangin, M. Guirlet, L. Blanot, T. Fehr, L. Saavedra de Miguel, and R. Fraisse. GOMOS data characterisation and error estimation. Atmospheric Chemistry & Physics, 10:9505–9519, October 2010.

• Hakkarainen, J., J. Tamminen, J. R. Moore, and E. Kyrölä, Direct comparisons of GOMOS and SAGE III NO3 vertical profiles. Atmospheric Measurement Techniques, 5:1841–1846, July 2012.

• Sofieva, V. F., N. Rahpoe, J. Tamminen, E. Kyrölä, N. Kalakoski, M. Weber, A. Laeng, T. von Clarmann, G. Stiller, S. Lossow, D. Degenstein, A. Bourassa, C. Adams, C. Roth, N. Lloyd, P. Bernath, R. J. Hargreaves, J. Urban, D. Murtagh, A. Hauchecorne, M. Van Roozendael, N. Kalb, and C. Zehner. Harmonized dataset of ozone profiles from satellite limb and occultation measurements. Earth System Science Data, 5:349–363, 2013.