Profil

Lejeune Bernard

Main Referenced Co-authors
Mahieu, Emmanuel  (40)
Bader, Whitney  (28)
Servais, Christian  (28)
Bovy, Benoît  (19)
Demoulin, Philippe  (19)
Main Referenced Keywords
remote sensing (10); atmospheric composition (9); Jungfraujoch (9); Jungfraujoch station (9); FTIR (8);
Main Referenced Unit & Research Centers
GIRPAS (4)
Sphères - SPHERES (3)
Groupe InfraRouge de Physique Atmosphérique et Solaire (GIRPAS) (1)
Groupe Infrarouge de Physique Atmosphérique et Solaire, ULiège (1)
Main Referenced Disciplines
Earth sciences & physical geography (45)
Space science, astronomy & astrophysics (3)
Quantitative methods in economics & management (1)

Publications (total 45)

The most downloaded
349 downloads
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 https://hdl.handle.net/2268/174025

The most cited

62 citations (OpenCitations)

Schneider, M., Barthlott, S., Hase, F., González, Y., Yoshimura, K., García, O. E., Sepúlveda, E., Gomez-Pelaez, A., Gisi, M., Kohlhepp, R., Dohe, S., Blumenstock, T., Wiegele, A., Christner, E., Strong, K., Weaver, D., Palm, M., Deutscher, N. M., Warneke, T., ... Robinson, J. (05 December 2012). Ground-based remote sensing of tropospheric water vapour isotopologues within the project MUSICA. Atmospheric Measurement Techniques, 5 (2012), 3007-3027. doi:10.5194/amt-5-3007-2012 https://hdl.handle.net/2268/135828

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

Stinecipher, J. R., Cameron-Smith, P. J., Blake, N. J., Kuai, L., Lejeune, B., Mahieu, E., Simpson, I. J., & Campbell, J. E. (December 2019). Biomass Burning Unlikely to Account for Missing Source of Carbonyl Sulfide. Geophysical Research Letters, 46 (24), 14912-14920. doi:10.1029/2019GL085567
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

Lejeune, B., Mahieu, E., Vollmer, M. K., Reimann, S., Bernath, P. F., Boone, C. D., Walker, K. A., & Servais, C. (2017). Optimized approach to retrieve information on atmospheric carbonyl sulfide (OCS) above the Jungfraujoch station and change in its abundance since 1995. Journal of Quantitative Spectroscopy and Radiative Transfer, 186, 81-95. doi:10.1016/j.jqsrt.2016.06.001
Peer Reviewed verified by ORBi

Schibig, M. F., Mahieu, E., Henne, S., Lejeune, B., & Leuenberger, M. C. (08 August 2016). Intercomparison of in-situ NDIR and column FTIR measurements of CO2 at Jungfraujoch. Atmospheric Chemistry and Physics, 16 (15), 9935-9949. doi:10.5194/acp-16-9935-2016
Peer Reviewed verified by ORBi

Wang, Marshall, J., Palm, M., Deutscher, N., Roedenbeck, C., Warneke, T., Notholt, J., Baker, I., Berry, J., Suntharalingam, P., Jones, N., Mahieu, E., Lejeune, B., Hannigan, J., Conway, S., Strong, K., Campbell, E., Wolf, A., & Kremser, S. (19 April 2016). Using NDACC column measurements of carbonyl sulfide to estimate its sources and sinks [Paper presentation]. EGU General Assembly 2016, Vienna, Austria.

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

Mahieu, E., Lejeune, B., Bovy, B., Servais, C., Toon, G. C., Bernath, P. F., Boone, C. D., Walker, K. A., Reimann, S., Vollmer, M. K., & O’Doherty, S. (2016). Retrieval of HCFC-142b (CH3CClF2) from ground-based high-resolution infrared solar spectra: Atmospheric increase since 1989 and comparison with surface and satellite measurements. Journal of Quantitative Spectroscopy and Radiative Transfer. doi:10.1016/j.jqsrt.2016.03.017
Peer Reviewed verified by ORBi

Wang, Y., Deutscher, N. M., Palm, M., Warneke, T., Notholt, J., Baker, I., Berry, J., Suntharalingam, P., Jones, N., Mahieu, E., Lejeune, B., Hannigan, J., Conway, S., Mendonca, J., Strong, K., Campbell, J. E., Wolf, A., & Kremser, S. (25 February 2016). Towards understanding the variability in biospheric CO2 fluxes: using FTIR spectrometry and a chemical transport model to investigate the sources and sinks of carbonyl sulfide and its link to CO2. Atmospheric Chemistry and Physics, 16, 2123-2138. doi:10.5194/acp-16-2123-2016
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.

Kremser, S., Jones, N. B., Palm, M., Lejeune, B., Wang, Y., Smale, D., & Deutscher, N. M. (06 November 2015). Positive trends in Southern Hemisphere carbonyl sulfide. Geophysical Research Letters, 42, 9473-9480. doi:10.1002/2015GL065879
Peer Reviewed verified by ORBi

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

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., 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

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

Barthlott, S., Schneider, M., Hase, F., Wiegele, A., Christner, E., Gonzalez, Y., Blumenstock, T., Dohe, S., Garcia, O. E., Sepulveda, E., Strong, K., Mendonca, J., Weaver, D., Palm, M., Deutscher, N. M., Warneke, T., Notholt, J., Lejeune, B., Mahieu, E., ... Raffalski, U. (25 March 2015). Using XCO2 retrievals for assessing the long-term consistency of NDACC/FTIR data sets. Atmospheric Measurement Techniques, 8, 1555-1573. doi:10.5194/amt-8-1555-2015
Peer Reviewed verified by ORBi

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.

Lejeune, B. (08 May 2014). Trend evolution of Carbonyl Sulfide above Jungfraujoch [Paper presentation]. Journée des Doctorants AGO.

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.

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.

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.

Schneider, M., Barthlott, S., Hase, F., González, Y., Yoshimura, K., García, O. E., Sepúlveda, E., Gomez-Pelaez, A., Gisi, M., Kohlhepp, R., Dohe, S., Blumenstock, T., Wiegele, A., Christner, E., Strong, K., Weaver, D., Palm, M., Deutscher, N. M., Warneke, T., ... Robinson, J. (05 December 2012). Ground-based remote sensing of tropospheric water vapour isotopologues within the project MUSICA. Atmospheric Measurement Techniques, 5 (2012), 3007-3027. doi:10.5194/amt-5-3007-2012
Peer Reviewed verified by ORBi

Hendrick, F., Mahieu, E., Bodeker, G. E., Boersma, K. F., Chipperfield, M. P., De Mazière, M., De Smedt, I., Demoulin, P., Fayt, C., Hermans, C., Kreher, K., Lejeune, B., Pinardi, G., Servais, C., Stübi, R., van der A, R., Vernier, J.-P., & Van Roozendael, M. (28 September 2012). Analysis of stratospheric NO2 trends above Jungfraujoch using ground-based UV-visible, FTIR, and satellite nadir observations. Atmospheric Chemistry and Physics, 12, 8851-8864. doi:10.5194/acp-12-8851-2012
Peer Reviewed verified by ORBi

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.

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.

Lejeune, B. (23 May 2012). Trend evolution of carbonyl sulfide above Jungfraujoch deduced from ground-based FTIR and ACE-FTS satellite observations [Paper presentation]. ACE Science Team Meeting, Waterloo, Ontario, Canada.

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.

Lejeune, B., Mahieu, E., Schneider, M., Hase, F., Servais, C., & Demoulin, P. (2012). Long-term series of tropospheric water vapour amounts and HDO/H2O ratio profiles above Jungfraujoch. Geophysical Research Abstracts, 14.

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.

Duchatelet, P., Zander, R., Mahieu, E., Mühle, J., Demoulin, P., Lejeune, B., Roland, G., Servais, C., & Flock, O. (2011). First retrievals of carbon tetrafluoride (CF4) from ground-based FTIR measurements: production and analysis of the two-decadal time series above the Jungfraujoch [Paper presentation]. European Geosciences Union General Assembly 2011, Vienne, Austria.

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.

Mahieu, E., Harrison, J., Bernath, P. F., Toon, G. C., Rinsland, C. P., Demoulin, P., Duchatelet, P., Lejeune, B., Servais, C., & De Mazière, M. (2011). First retrievals of methyl chloride from ground-based high-resolution FTIR solar observations [Paper presentation]. European Geosciences Union General Assembly 2011, Vienne, Austria.

Lejeune, B., Mahieu, E., Duchatelet, P., Servais, C., Demoulin, P., & Suntharalingam, P. (2011). Trend evolution and seasonal variation of tropospheric and stratospheric carbonyl sulfide (OCS) above Jungfraujoch [Paper presentation]. European Geosciences Union General Assembly 2011, Vienne, Austria.

Lejeune, B., Mahieu, E., Servais, C., Duchatelet, P., & Demoulin, P. (2010). Optimized approach to retrieve information on the tropospheric and stratospheric carbonyl sulfide (OCS) vertical distributions above Jungfraujoch from high-resolution FTIR solar spectra. Geophysical Research Abstracts, 12 (EGU2010-3513).

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