  | Friedrich, M., Beutner, E., Reuvers, H., Smeekes, S., Urbain, J.-P., Bader, W., Franco, B., Lejeune, B., & Mahieu, E. (2020). A statistical analysis of time trends in atmospheric ethane. Climatic Change. doi:10.1007/s10584-020-02806-2  Peer Reviewed verified by ORBi |
 | Mahieu, E., Servais, C., Bader, W., Flock, O., Prignon, M., & Roland, G. (2019). High resolution solar infrared Fourier transform spectrometry: application to the study and long-term monitoring of the Earth's atmosphere. Bern, Switzerland: HFSJG. |
 | Zhou, M., Langerock, B., Vigouroux, C., Sha, M. K., Ramonet, M., Delmotte, M., Mahieu, E., Bader, W., Hermans, C., Kumps, N., Metzger, J.-M., Duflot, V., Wang, Z., Palm, M., & De Mazière, M. (01 October 2018). Atmospheric CO and CH4 time series and seasonal variations on Reunion Island from ground-based in situ and FTIR (NDACC and TCCON) measurements. Atmospheric Chemistry and Physics, 2018 (18), 13881-13901. doi:10.5194/acp-18-13881-2018 Peer Reviewed verified by ORBi |
 | Bader, W. (2018). 65 ans de surveillance de l'atmosphère. |
 | Mahieu, E., Franco, B., Pozzer, A., Taraborrelli, D., Bader, W., Prignon, M., Servais, C., De Mazière, M., Vigouroux, C., Mengistu Tsidu, G., Sufa, G., Mellqvist, J., Blumenstock, T., Hase, F., Schneider, M., Sussmann, R., Nagahama, T., Sudo, K., Hannigan, J. W., ... Smeekes, S. (11 April 2018). Observation and simulation of ethane (C2H6) at 23 FTIR sites [Paper presentation]. EGU General Assembly 2018, Vienna, Austria. |
Mahieu, E., Franco, B., Pozzer, A., Taraborrelli, D., Bader, W., Prignon, M., Servais, C., De Mazière, M., Vigouroux, C., Mengistu Tsidu, G., Sufa, G., Mellqvist, J., Blumenstock, T., Hase, F., Schneider, M., Sussmann, R., Nagahama, T., Sudo, K., Hannigan, J. W., ... Smeekes, S. (13 December 2017). Observation and simulation of ethane (C2H6) at 23 FTIR sites [Poster presentation]. 2017 American Geophysical Union Fall Meeting. |
 | Olsen, K. S., Strong, K., Walker, K., Boone, C. D., Raspollini, P., Bader, W., Conway, S., Grutter, M., Hannigan, J. W., Hase, F., Jones, N., de Mazière, M., Schneider, M., Smale, D., Sussmann, R., & Saitoh, N. (October 2017). Comparison of the GOSAT TANSO-FTS TIR CH4 volume mixing ratio vertical profiles with those measured by ACE-FTS, ESA MIPAS, IMK-IAA MIPAS, and 16 NDACC stations. Atmospheric Measurement Techniques, 10, 3697-3718. doi:10.5194/amt-10-3697-2017 Peer Reviewed verified by ORBi |
 | Mahieu, E., Bader, W., Bovy, B., Demoulin, P., Flock, O., Franco, B., Lejeune, B., Prignon, M., Roland, G., & Servais, C. (October 2017). Surveillance de l'atmosphère terrestre depuis la station du Jungfraujoch : une épopée liégeoise entamée voici plus de 65 ans ! Bulletin de la Société Géographique de Liège, 68, 119-130. Peer Reviewed verified by ORBi |
 | Bader, W., Strong, K., & Walker, K. (July 2017). The question of the methane increase through the retrieval of its isotopologues from FTIR ground-based observations [Poster presentation]. Connaught Summer Institute in Arctic Science, Alliston, Canada. |
 | Bader, W., Strong, K., Walker, K., & Buzan, E. (June 2017). The question of the methane increase though the retrieval of its isotopologues from FTIR ground-based observations [Paper presentation]. IRWG-TCCON 2017 Meeting, Paris, France. |
 | Bader, W., Strong, K., Walker, K., & Buzan, E. (08 May 2017). First retrievals of methane isotopologues from FTIR ground-based observations in the High Arctic [Paper presentation]. PAHA/CANDAC Workshop and CREATE Research Symposium, Toronto, Canada. |
 | Bader, W., Strong, K., Walker, K., & Buzan, E. (26 April 2017). First retrievals of methane isotopologue, CH3D, from FTIR ground-based observations [Poster presentation]. European Geosciences Union - General Assembly, Vienna, Austria. |
 | Bader, W., Bovy, B., Conway, S., Strong, K., Smale, D., Turner, A. J., Blumenstock, T., Boone, C., Coulon, A., Garcia, O., Griffith, D. W. T., Hase, F., Haussmann, P., Jones, N., Krummel, P., Murata, Morino, I., Nakajima, H., O'Doherty, S., ... Mahieu, E. (2017). The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005. Atmospheric Chemistry and Physics. doi:10.5194/acp-17-2255-2017 Peer Reviewed verified by ORBi |
 | Bader, W. (November 2016). 40 years of observations of atmospheric methane from a remote European site [Paper presentation]. Brewer-Wilson Seminar, Toronto, Canada. |
 | Bader, W. (24 October 2016). The recent increase of methane from 10 years of NDACC ground-based FTIR observations [Paper presentation]. ACE Science Team Meeting, Waterloo, Ontario, Canada. |
 | Bader, W., Strong, K., & Walker, K. (July 2016). Heavy methane to explain the unexplained recent methane growth ? [Poster presentation]. 2016 Connaught Summer Institute in Arctic Science: Atmosphere, Cryosphere, and Climate, Alliston, Ontario, Canada. |
 | Franco, B., Marais, E. A., Bovy, B., Bader, W., Lejeune, B., Roland, G., Servais, C., & Mahieu, E. (31 March 2016). Diurnal cycle and multi-decadal trend of formaldehyde in the remote atmosphere near 46° N. Atmospheric Chemistry and Physics, 16, 4171-4189. doi:10.5194/acp-16-4171-2016 Peer Reviewed verified by ORBi |
  | Friedrich, M., Reuvers, H., Smeekes, S., Urbain, J.-P., Bader, W., Franco, B., Lejeune, B., & Mahieu, E. (12 December 2015). Nonparametric estimation and bootstrap inference on recent trends in atmospheric ethane [Paper presentation]. 9th International Conference on Computational and Financial Econometrics (CFE 2015), London, United Kingdom. |
 | Bader, W. (2015). Long-term study of methane and two of its derivatives from solar observations recorded at the Jungfraujoch station [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/190353 |
 | Franco, B., Bader, W., Lejeune, B., & Bovy, B. (2015). Gaz à effet de serre indirects et qualité de l'air aux latitudes moyennes de l'hémisphère nord : tendances à long terme et variabilité déduites de télémesures effectuées au Jungfraujoch (Alpes suisses, 3580 m). In M. Erpicum, Actes du XXVIIIe colloque annuel de l’Association Internationale de Climatologie : Modélisations et variabilités. Liège, Belgium: ULg - Université de Liège. Peer reviewed |
Franco, B., Bader, W., Mahieu, E., Bovy, B., Fischer, E. V., Tzompa-Sosa, Z. A., Strong, K., Conway, S., Hannigan, J. W., Nussbaumer, E., Sudo, K., Bernath, P. F., Boone, C. D., & Walker, K. A. (11 June 2015). Recent ethane increase above North America: comparison between FTIR measurements and model simulations [Paper presentation]. 2015 Joint NDACC-IRWG/TCCON Meeting, Toronto, ON, Canada. |
 | Mahieu, E., Bader, W., Franco, B., Bovy, B., Lejeune, B., Servais, C., Roland, G., & Zander, R. (09 June 2015). Overview of the recent results derived from the Jungfraujoch observational database [Poster presentation]. TCCON & NDACC-IRWG annual meeting, Toronto, Canada. |
 | Bader, W., Bovy, B., Franco, B., Lejeune, B., Mahieu, E., Conway, S., Strong, K., Murata, I., Smale, D., Turner, A., Bernath, P., & Buzan, E. (June 2015). Recent changes of CH4 since 2005 from FTIR observations and GEOS-CHEM simulation [Paper presentation]. IRWG-TCCON Meeting, Toronto, Canada. |
 | Bader, W., Conway, S., Strong, K., Murata, I., Smale, D., Turner, A., Bernath, P., Buzan, E., Bovy, B., Franco, B., Lejeune, B., & Mahieu, E. (21 May 2015). Investigation of the consistency of the recent CH4 increase derived from NDACC-FTIR, ACE-FTS and GEOS-Chem [Paper presentation]. ACE Science Team Meeting, Waterloo, Canada. |
 | Mahieu, E., Bader, W., & Franco, B. (20 May 2015). Recent results derived from regular ground-based FTIR observations at the Jungfraujoch and other NDACC stations [Paper presentation]. ACE Science Team Meeting, Waterloo, Canada. |
 | Bader, W. (11 May 2015). Etude de l'évolution à long terme du méthane et de certains de ses dérivés au départ d'observations obtenues à la station scientifique du Jungfraujoch [Paper presentation]. Journée des Doctorants AGO. |
 | Mahieu, E., Bovy, B., Bader, W., Franco, B., Lejeune, B., Fischer, E. V., Marais, E. A., Turner, A. J., Hannigan, J. W., Nussbaumer, E., Strong, K., & Conway, S. (04 May 2015). Use of GEOS-Chem for the interpretation of long-term FTIR measurements at the Jungfraujoch and other NDACC sites [Poster presentation]. 7th International GEOS-Chem Meeting, Harvard University (Cambridge), United States - Massachusetts. |
 | Franco, B., Hendrick, F., Van Roozendael, M., Müller, J.-F., Stavrakou, T., Marais, E., Bovy, B., Bader, W., Fayt, C., Hermans, C., Lejeune, B., Pinardi, G., Servais, C., & Mahieu, E. (15 April 2015). Retrievals of formaldehyde from ground-based FTIR and MAX-DOAS observations at the Jungfraujoch station and comparisons with GEOS-Chem and IMAGES model simulations. Atmospheric Measurement Techniques, 8, 1733-1756. doi:10.5194/amt-8-1733-2015 Peer Reviewed verified by ORBi |
Franco, B., Bader, W., Bovy, B., Mahieu, E., Fischer, E. V., Strong, K., Conway, S., Hannigan, J. W., Nussbaumer, E., Bernath, P. F., Boone, C. D., & Walker, K. A. (13 April 2015). Recent increase of ethane detected in the remote atmosphere of the Northern Hemisphere [Paper presentation]. EGU General Assembly 2015, Vienna, Austria. |
 | Mahieu, E., Bader, W., Bovy, B., Franco, B., Lejeune, B., Servais, C., Notholt, J., Palm, M., & Toon, G. (13 April 2015). Halogenated source gases measured by FTIR at the Jungfraujoch station: updated trends and new target species [Paper presentation]. EGU General Assembly 2015, Vienna, Austria. |
 | Franco, B., Bader, W., Toon, G. C., Bray, C., Perrin, A., Fischer, E. V., Sudo, K., Boone, C. D., Bovy, B., Lejeune, B., Servais, C., & Mahieu, E. (05 April 2015). Retrieval of ethane from ground-based FTIR solar spectra using improved spectroscopy: recent burden increase above Jungfraujoch. Journal of Quantitative Spectroscopy and Radiative Transfer, 160 (C), 36-49. doi:10.1016/j.jqsrt.2015.03.017 Peer Reviewed verified by ORBi |
 | Bader, W. (22 January 2015). Etude de l'évolution à long terme du méthane et de certains de ses dérivés au départ d'observations obtenues à la station scientifique du Jungfraujoch [Paper presentation]. Séminaire de thèse. |
 | Bader, W., Stavrakou, T., Muller, J.-F., Reimann, S., Boone, C. D., Harrison, J. J., Flock, O., Bovy, B., Franco, B., Lejeune, B., Servais, C., & Mahieu, E. (21 November 2014). Long-term evolution and seasonal modulation of methanol above Jungfraujoch (46.5°N, 8.0°E): Optimisation of the retrieval strategy, comparison with model and independant observations. Atmospheric Measurement Techniques, 7, 3861–3872. doi:10.5194/amt-7-3861-2014 Peer Reviewed verified by ORBi |
 | Franco, B., Hendrick, F., Van Roozendael, M., Müller, J.-F., Stavrakou, T., Marais, E., Bovy, B., Bader, W., Fayt, C., Hermans, C., Lejeune, B., Pinardi, G., Servais, C., & Mahieu, E. (07 November 2014). Retrievals of formaldehyde from ground-based FTIR and MAX-DOAS observations at the Jungfraujoch station and comparisons with GEOS-Chem and IMAGES model simulations [Paper presentation]. NORS/NDACC/GAW workshop, Brussels, Belgium. |
 | Bader, W., Bovy, B., Wecht, K., Hase, F., & Mahieu, E. (May 2014). Seeking for causes of recent methane increase: comparison between GEOS-Chem tagged simulations and FTIR column measurements above Jungfraujoch [Poster presentation]. NDACC-IRWG/TCCON Workshop, Bad Sulza, Germany. |
 | Bader, W., Stavrakou, J., Muller, J.-F., Reimann, S., Boone, C. D., Harrison, J. J., Flock, O., Bovy, B., Franco, B., Lejeune, B., Servais, C., & Mahieu, E. (May 2014). Long-term evolution and seasonal modulation of methanol above Jungfraujoch (46.5°N, 8.0°E): Optimisation of the retrieval strategy, comparison with model and independent observations [Poster presentation]. NDACC-IRWG/TCCON Workshop, Bad Sulza, United States - Texas. |
 | Mahieu, E., Zander, R., Toon, G. C., Vollmer, M. K., Reimann, S., Mühle, J., Bader, W., Bovy, B., Lejeune, B., Servais, C., Demoulin, P., Roland, G., Bernath, P. F., Boone, C. D., Walker, K. A., & Duchatelet, P. (31 January 2014). Spectrometric monitoring of atmospheric carbon tetrafluoride (CF4) above the Jungfraujoch station since 1989: evidence of continued increase but at a slowing rate. Atmospheric Measurement Techniques, 7, 333-344. doi:10.5194/amt-7-333-2014 Peer Reviewed verified by ORBi |
 | De Mazière, M., De Backer, H., Mahieu, E., Vander Auwera, J., Bader, W., De Bock, V., Desmet, F., Foldes, T., Gielen, C., Hendrick, F., Hermans, C., Langerock, B., Lejeune, B., Mangold, A., Tudorie, M., Van Malderen, R., Van Roozendael, M., & Vigouroux, C. (2014). Pas d'image fiable de notre atmosphère sans mesures depuis le sol ! Science Connection, 44 (Août-septembre), p. 3-7. |
 | Bader, W. (16 May 2013). Optimisation de la stratégie d'inversion, des résidus et du contenu en information [Paper presentation]. Journée des doctorants AGO. |
 | Mahieu, E., Bovy, B., Bader, W., Demoulin, P., Franco, B., Lejeune, B., Servais, C., & Vigouroux, C. (07 May 2013). Overview of the geophysical data derived from long-term FTIR monitoring activities at the Jungfraujoch NDACC site (46.5ºN) and the PYGCHEM project [Poster presentation]. 6th International GEOS-Chem Meeting, Cambridge, United States - Massachusetts. |
Bader, W., Mahieu, E., Lejeune, B., Demoulin, P., Servais, C., & Harrison, J. J. (09 April 2013). Evolution of methanol (CH3OH) above the Jungfraujoch station (46.5°N) : Variability, seasonal modulation and long-term trend [Poster presentation]. EGU - General Assembly. |
 | Henne, S., Steinbacher, M., Mahieu, E., Bader, W., Blumenstock, T., Cuevas-Agulló, E., Brunner, D., & Buchmann, B. (April 2013). Comparison of ground-based remote sensing and in-situ observations of CO, CH4 and O3, accounting for representativeness uncertainty [Paper presentation]. EGU General Assembly 2013, Vienne, Austria. |
 | Mahieu, E., O'Doherty, S., Reimann, S., Vollmer, M., Bader, W., Bovy, B., Lejeune, B., Demoulin, P., Roland, G., Servais, C., & Zander, R. (2013). First retrievals of HCFC-142b from ground-based high resolution FTIR solar observations: application to high altitude Jungfraujoch spectra. Geophysical Research Abstracts, 15, 2013-1185-1. |
 | Bader, W., Mahieu, E., Bovy, B., Lejeune, B., Demoulin, P., & Servais, C. (10 December 2012). First retrievals of methanol (CH3OH) above Jungfraujoch (46.5°N) : Optimization of retrieval strategy and information content [Poster presentation]. Journée des doctorants UNITER. |
 | Demoulin, P., Mahieu, E., Servais, C., Lejeune, B., Bader, W., Roland, G., Zander, R., Walker, K., Bernath, P., Van Roozendael, M., & Hendrick, F. (27 August 2012). Long-term trends of NO above northern mid-latitudes as inferred from Jungfraujoch, HALOE and ACE-FTS solar observations [Poster presentation]. Quadrennial Ozone Symposium, Toronto, Canada. |
 | Bader, W., Perrin, A., Jacquemart, D., Harrison, J. J., Toon, G. C., Sudo, K., Søvde, O. A., Demoulin, P., Servais, C., & Mahieu, E. (August 2012). Retrievals of ethane from ground-based high-resolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station [Poster presentation]. 11th ASA Conference (united with 12th HITRAN Conference), Reims, France. |
 | Bader, W., Perrin, A., Jacquemart, D., Sudo, K., Yashiro, H., Søvde, O. A., Demoulin, P., Servais, C., & Mahieu, E. (June 2012). Retrievals of ethane from ground-based high-resolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station [Poster presentation]. IRWG/TCCON 2012 Meeting, Wengen, Switzerland. |
 | Bader, W., Perrin, A., Jacquemart, D., Sudo, K., Yashiro, H., Søvde, O. A., Demoulin, P., Servais, C., & Mahieu, E. (01 June 2012). Retrievals of ethane from groundbased highresolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station [Paper presentation]. 4th Symposium on METEOrology and CLIMatology for PhD students - MeteoClim2012, Liège, Belgium. |
 | Mahieu, E., Bader, W., Bovy, B., Lejeune, B., Vigouroux, C., Demoulin, P., Servais, C., Roland, G., & Zander, R. (June 2012). Retrieval of methanol (CH3OH) above the high-altitude Jungfraujoch station (46.5ºN): preliminary total column time series, long-term trend and seasonal modulation [Poster presentation]. InfraRed Working Group Meeting of the Network for the Detection of Atmospheric Composition Change (NDACC), Wengen, Switzerland. |
Mahieu, E., Bader, W., Lejeune, B., Vigouroux, C., Demoulin, P., Servais, C., Roland, G., & Zander, R. (2012). Seeking for the optimum retrieval strategy of methanol (CH3OH) from ground-based high-resolution FTIR solar observations recorded at the high-altitude Jungfraujoch station (46.5ºN). Geophysical Research Abstracts, 14, 2012-9111. |
 | Bader, W., Perrin, A., Jacquemart, D., Sudo, K., Yashiro, H., Gauss, M., Demoulin, P., Servais, C., & Mahieu, E. (2012). Retrievals of ethane from ground-based high-resolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station. Geophysical Research Abstracts, 14 (EGU2012-9126). |
Demoulin, P., Roland, G., Bader, W., Lejeune, B., Duchatelet, P., Mahieu, E., Servais, C., & Zander, R. (10 November 2011). Analysis of historical grating spectra: Jungfraujoch atmospheric database extended back to 1977 [Paper presentation]. 2011 NDACC Symposium - 20 Years of Global Atmospheric Research, Saint-Paul, Réunion. |
 | Mahieu, E., Duchatelet, P., Zander, R., Lejeune, B., Bader, W., Demoulin, P., Servais, C., Schneider, M., Barthlott, S., & Rinsland, C. P. (10 November 2011). Long-term trends of a dozen direct greenhouse gases derived from infrared solar absorption spectra recorded at the Jungfraujoch station [Poster presentation]. Network for the Detection of Atmospheric Composition Change - Symposium celebrating 20 years of atmospheric research fostered by NDACC/NDSC observations, Saint Paul, Réunion. |
Mahieu, E., Duchatelet, P., Zander, R., Lejeune, B., Bader, W., Demoulin, P., Roland, G., Servais, C., Rinsland, C. P., Kurylo, M. J., & Braathen, G. O. (25 October 2011). Changes in atmospheric composition discerned from long-term NDACC measurements: trends in direct greenhouse gases derived from infrared solar absorption spectra recorded at the Jungfraujoch station [Poster presentation]. World Climate Research Programme Open Science Conference (WCRP-OSC), Denver, CO, United States. |
 | Bader, W. (2011). Extension of the long-‐term total column time series of atmospheric methane above the Jungfraujoch station: analysis of grating infrared spectra between 1977 and 1989 [Master’s dissertation, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/99452 |
 | Bader, W., Lejeune, B., Demoulin, P., Duchatelet, P., Roland, G., Sudo, K., Yashiro, H., & Mahieu, E. (2011). Extension of the long-term total column time series of atmospheric methane above the Jungfraujoch station: analysis of grating infrared spectra between 1976 and 1989. Geophysical Research Abstracts, 13. |