References of "Roland, G"
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See detailSurveillance de l'atmosphère terrestre depuis la station du Jungfraujoch : une épopée liégeoise entamée voici plus de 65 ans !
Mahieu, Emmanuel ULiege; Bader, Whitney ULiege; Bovy, Benoît ULiege et al

in Bulletin de la Société Géographique de Liège (2017), 68

It’s in the early 1950s that researchers from the University of Liège started to investigate the Earth’s atmosphere from the Jungfraujoch scientific station, in the Swiss Alps, at a time when concerns ... [more ▼]

It’s in the early 1950s that researchers from the University of Liège started to investigate the Earth’s atmosphere from the Jungfraujoch scientific station, in the Swiss Alps, at a time when concerns related to atmospheric composition changes were nonexistent. Since then, an infrared observational data base unique worldwide has been carefully collected. The exploitation of these observations has allowed constituting multi-decadal time series crucial for the characterization of the changes that affected our atmosphere and for the identification of their causes. In this paper, we first remind about the successive steps which led to establishing the observational program of the Liège team at the Jungfraujoch and we evoke important findings which justified its continuation. Then we present some recent results relevant to the Montreal and Kyoto Protocols, or related to the monitoring of air quality. [less ▲]

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See detailSpectrometric monitoring of atmospheric carbon tetrafluoride (CF4) above the Jungfraujoch station since 1989: evidence of continued increase but at a slowing rate
Mahieu, Emmanuel ULiege; Zander, Rodolphe ULiege; Toon, G. C. et al

in Atmospheric Measurement Techniques (2014), 7

The long-term evolution of the vertical column abundance of carbon tetrafluoride (CF4) above the high-altitude Jungfraujoch station (Swiss Alps, 46.5° N, 8.0° E, 3580 m a.s.l.) has been derived from the ... [more ▼]

The long-term evolution of the vertical column abundance of carbon tetrafluoride (CF4) above the high-altitude Jungfraujoch station (Swiss Alps, 46.5° N, 8.0° E, 3580 m a.s.l.) has been derived from the spectrometric analysis of Fourier transform infrared solar spectra recorded at that site between 1989 and 2012. The investigation is based on a multi-microwindow approach, two encompassing pairs of absorption lines belonging to the R-branch of the strong ν3 band of CF4 centered at 1283 cm−1, and two additional ones to optimally account for weak but overlapping HNO3 interferences. The analysis reveals a steady accumulation of the very long-lived CF4 above the Jungfraujoch at mean rates of (1.38 ± 0.11) × 1013 molec cm−2 yr−1 from 1989 to 1997, and (0.98 ± 0.02) × 1013 molec cm−2 yr−1 from 1998 to 2012, which correspond to linear growth rates of 1.71 ± 0.14 and 1.04 ± 0.02% yr−1 respectively referenced to 1989 and 1998. Related global CF4 anthropogenic emissions required to sustain these mean increases correspond to 15.8 ± 1.3 and 11.1 ± 0.2 Gg yr−1 over the above specified time intervals. Findings reported here are compared and discussed with respect to relevant northern mid-latitude results obtained remotely from space and balloons as well as in situ at the ground, including new gas chromatography mass spectrometry measurements performed at the Jungfraujoch since 2010. [less ▲]

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See detailThe lymphatic ring assay: a new in vitro model of lymphangiogenesis
Bruyère, F; Melen-Lamalle, L; Blacher, Silvia ULiege et al

in Acta Clinica Belgica (2008), 63

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See detailThe lymphatic ring assay: a 3D culture system for discovering novel genes and mechanisms that regulate lymphangiogenesis
Bruyère, F; Melen-Lamalle, L; Blacher, Silvia ULiege et al

Poster (2007)

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See detailEvolution of a dozen non-CO2 greenhouse gases above Central Europe since the mid-1980s.
Zander, Rodolphe ULiege; Mahieu, Emmanuel ULiege; Demoulin, Philippe ULiege et al

in Proceedings of the 4th International Symposium on Non-CO2 Greenhouse Gases (2006)

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See detailFifteen years-trend characteristics of key stratospheric constituents monitored by FTIR above the Jungfraujoch.
Mahieu, Emmanuel ULiege; Zander, Rodolphe ULiege; Demoulin, Philippe ULiege et al

in Harris, N. R. P.; Guirlet, M.; Amanatidis, G. T. (Eds.) Air Pollution Report 73 EUR 19340 (2000)

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See detailThe current budget of NOy above the Jungfraujoch as derived from IR solar observations
Demoulin, Philippe ULiege; Mahieu, Emmanuel ULiege; Zander, Rodolphe ULiege et al

in Harris, N. R. P.; Kilbane-Dawe, I.; Amanatidis, G. T. (Eds.) Polar stratospheric ozone 1997 (1998)

This paper reports on an investigations of a series of compounds of the NOy family, based on high resolution infrared solar observations made at the ISSJ (International Scientific Station of the ... [more ▼]

This paper reports on an investigations of a series of compounds of the NOy family, based on high resolution infrared solar observations made at the ISSJ (International Scientific Station of the Jungfraujoch), Switzerland (46.55ºN, 7.99ºE, 3580 m a.s.l.). These observations are part of a long-term monitoring effort undertaken by the Liège group since the mid-1970s, and integrated more recently as a contribution to the Network for the Detection of Stratospheric Change (NDSC). Currently, vertical column abundances of over 20 molecules are retrieved from solar spectra recorded under clear sky conditions as regularly as possible, using two high resolution Fourier transform infrared (2 to 15 microns) spectrometers. [less ▲]

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See detailAn overview of NDSC-related activities at the Jungfraujoch through high-resolution infrared solar observations
Zander, Rodolphe ULiege; Demoulin, Philippe ULiege; Mahieu, Emmanuel ULiege et al

in Bojkov, R.; Visconti, G. (Eds.) Proceedings of "The XXVIII Quadrennial Ozone Symposium" (1998)

Since the mid-1970s, infrared remote sensing at the Jungfraujoch, Switzerland, has been performed in response to the need to measure the concentrations and assess the seasonal and long-term changes of an ... [more ▼]

Since the mid-1970s, infrared remote sensing at the Jungfraujoch, Switzerland, has been performed in response to the need to measure the concentrations and assess the seasonal and long-term changes of an increasing number of atmospheric constituents. Currently, the vertical column abundances of over 20 telluric gases are being monitored, based on the analysis of solar spectra recorded regularly between 2 and 14 microns, using two high-resolution Fourier transform spectrometers. In this paper, emphasis is placed on those activities more specifically performed within the framework of the NDSC (Network for the Detection of Stratospheric Change) whose objectives are briefly described in the introduction. [less ▲]

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See detailTotal vertical column abundances of atmospheric gases derived from IR remote solar observations made at the Jungfraujoch Station.
Zander, Rodolphe ULiege; Demoulin, Philippe ULiege; Mahieu, Emmanuel ULiege et al

in Hov, O. (Ed.) Transport and Chemical Transformation of Pollutants in the Troposphere. (1997)

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See detailVertical Column Abundances of COF2 measured above the Jungfraujoch Station from ground-based infrared solar observations.
Mélen, F.; Mahieu, Emmanuel ULiege; Zander, Rodolphe ULiege et al

in Proceedings of Atmospheric Spectroscopy Applications (1996)

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See detailStratospheric changes monitored above the Jungfraujoch - The budgets of inorganic chlorine and fluorine since 1985.
Zander, Rodolphe ULiege; Mahieu, Emmanuel ULiege; Demoulin, Philippe ULiege et al

in Proceedings of the 3d International Symposium on Polar Stratospheric Ozone Research (1995)

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See detailThe solar Spectrum between 16 and 35 µm.
Farmer, C. P.; Delbouille, L.; Roland, G. et al

in Sauval, A. J.; Blomme, R.; Grevesse, Nicolas (Eds.) Astronomical Society of the Pacific Conference Series (1995)

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See detailA new analysis of the OH radical spectrum from solar Infrared observations.
Mélen, F.; Grevesse, Nicolas ULiege; Delbouille, L. et al

in ASP Conference Series (1995)

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See detailA new analysis of the OH radical spectrum from solar infrared observations.
Mélen, F.; Sauval, A. J.; Grevesse, Nicolas ULiege et al

in Journal of Molecular Spectroscopy (1995), 174

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See detailThe solar spectrum between 16 and 40 microns. Atlas solaire et atmosphérique.
Farmer, C. B.; Delbouille, L.; Roland, G. et al

Report (1994)

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See detailSpectroscopic Measurements of Atmospheric Changes (SMAC), Belgian Impulse Programme GLOBAL CHANGE
Delbouille, L.; Roland, G.; Zander, Rodolphe ULiege et al

in Proceedings of the Symposium of Belgian Impulse Programme "Global Change" (1993)

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See detailTwo-dimensional model calculation of fluorine-containing reservoir species in the stratosphere
Kaye, Jack A.; Douglass, Anne R.; Jackman, Charles H. et al

in Journal of Geophysical Research. Atmospheres (1991), 96(D7), 12865--12881

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See detailIntercomparison of measurements of stratospheric hydrogen fluoride
Mankin, Williamg; Coffey, M. T.; Chance, K. V. et al

in Journal of Atmospheric Chemistry (1990), 10(2), 219-236

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