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    Academic Journals

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• Incorporation of aerosol into the COSPv2 satellite lidar simulator for climate model evaluation.

  Authors:Marine Bonazzola, Hélène Chepfer, Po-Lun Ma, Johannes Quaas, David M. Winker, Artem Feofilov, et al.From:Geoscientific Model Development (Vol. 16, Issue 4) Peer-Reviewed

  Feb. 27, 2023368 words Brief article Atmospheric aerosol has substantial impacts on climate, air quality and biogeochemical cycles, and its concentrations are highly variable in space and time. A key variability to evaluate within models that simulate...

• The surface longwave cloud radiative effect derived from space lidar observations.

  Authors:Assia Arouf, Hélène Chepfer, Thibault Vaillant de Guélis, Marjolaine Chiriaco, Matthew D. Shupe, Rodrigo Guzman, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 12) Peer-Reviewed

  July 1, 2022304 words Brief article Clouds warm the surface in the longwave (LW), and this warming effect can be quantified through the surface LW cloud radiative effect (CRE). The global surface LW CRE has been estimated over more than 2 decades using...

• Computation of a single-scattering matrix for nonspherical particles randomly or horizontally oriented in space

  Authors:Vincent Noel, Guy Ledanois, Helene Chepfer, and Pierre H. FlamantFrom:Applied Optics (Vol. 40, Issue 24) Peer-Reviewed

  Aug. 20, 2001206 words Article

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• Better calibration of cloud parameterizations and subgrid effects increases the fidelity of the E3SM Atmosphere Model version 1.

  Authors:Po-Lun Ma, Bryce E. Harrop, Vincent E. Larson, Richard B. Neale, Andrew Gettelman, Hugh Morrison, et al.From:Geoscientific Model Development (Vol. 15, Issue 7) Peer-Reviewed

  Apr. 7, 2022374 words Brief article Realistic simulation of the Earth's mean-state climate remains a major challenge, and yet it is crucial for predicting the climate system in transition. Deficiencies in models' process representations, propagation of...

• Relating snowfall observations to Greenland ice sheet mass changes: an atmospheric circulation perspective.

  Authors:Michael R. Gallagher, Matthew D. Shupe, Hélène Chepfer, and Tristan L'EcuyerFrom:The Cryosphere (Vol. 16, Issue 2) Peer-Reviewed

  Feb. 4, 2022449 words Article Snowfall is the major source of mass for the Greenland ice sheet (GrIS) but the spatial and temporal variability of snowfall and the connections between snowfall and mass balance have so far been inadequately quantified....

• Classification of ice crystal shapes in midlatitude ice clouds from three years of lidar observations over the SIRTA observatory

  Authors:Vincent Noel, Helene Chepfer, Martial Haeffelin, and Yohann MorilleFrom:Journal of the Atmospheric Sciences (Vol. 63, Issue 11) Peer-Reviewed

  Nov. 2006271 words Author abstract 60L

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• Classification of particle effective shape ratios in cirrus clouds based on the lidar depolarization ratio

  Authors:Vincent Noel, Helene Chepfer, Guy Ledanois, Arnaud Delaval, and Pierre H. FlamantFrom:Applied Optics (Vol. 41, Issue 21) Peer-Reviewed

  July 20, 2002175 words Abstract

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• Observations for Model Intercomparison Project (Obs4MIPs): status for CMIP6.

  Authors:Duane Waliser, Peter J. Gleckler, Robert Ferraro, Karl E. Taylor, Sasha Ames, James Biard, et al.From:Geoscientific Model Development (Vol. 13, Issue 7) Peer-Reviewed

  July 7, 2020565 words Article The Observations for Model Intercomparison Project (Obs4MIPs) was initiated in 2010 to facilitate the use of observations in climate model evaluation and research, with a particular target being the Coupled Model...

• Study of ice crystal orientation in cirrus clouds based on satellite polarized radiance measurements

  Authors:Vincent Noel and Helene ChepferFrom:Journal of the Atmospheric Sciences (Vol. 61, Issue 16) Peer-Reviewed

  Aug. 15, 2004157 words Author abstract

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• Microphysical and optical properties of cirrus and contrails: cloud field study on 13 October 1989

  Authors:Jean-Francois Gayet, Guy Febvre, Gerard Brogniez, Helene Chepfer, Wolfgang Renger, and Peter WendlingFrom:Journal of the Atmospheric Sciences (Vol. 53, Issue 1) Peer-Reviewed

  Jan. 1, 1996224 words Article

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• Statistical downscaling of water vapour satellite measurements from profiles of tropical ice clouds.

  Authors:Giulia Carella, Mathieu Vrac, Hélène Brogniez, Pascal Yiou, and Hélène ChepferFrom:Earth System Science Data (Vol. 12, Issue 1) Peer-Reviewed

  Jan. 3, 2020327 words Brief article Multi-scale interactions between the main players of the atmospheric water cycle are poorly understood, even in the present-day climate, and represent one of the main sources of uncertainty among future climate...

• The Cumulus And Stratocumulus CloudSat-CALIPSO Dataset (CASCCAD).

  Authors:Grégory Cesana, Anthony D. Del Genio, and Hélène ChepferFrom:Earth System Science Data (Vol. 11, Issue 4) Peer-Reviewed

  Nov. 25, 2019406 words Article Low clouds continue to contribute greatly to the uncertainty in cloud feedback estimates. Depending on whether a region is dominated by cumulus (Cu) or stratocumulus (Sc) clouds, the interannual low-cloud feedback is...

• The diurnal cycle of cloud profiles over land and ocean between 51[degrees]S and 51[degrees]N, seen by the CATS spaceborne lidar from the International Space Station

  Authors:Vincent Noel, Helene Chepfer, Marjolaine Chiriaco, and John YorksFrom:Atmospheric Chemistry and Physics (Vol. 18, Issue 13) Peer-Reviewed

  July 6, 2018374 words Author abstract, Bri...

  We document, for the first time, how detailed vertical profiles of cloud fraction (CF) change diurnally between 51.sup.∘  S and 51.sup.∘  N, by taking advantage of 15...

• Cirrus Cloud Properties Derived from POLDER-1/ADEOS Polarized Radiances: First Validation Using a Ground-Based Lidar Network

  Authors:Helene Chepfer, Philippe Goloub, James Spinhirne, Pierre H. Flamant, Mario Lavorato, Laurent Sauvage, et al.From:Journal of Applied Meteorology (Vol. 39, Issue 2) Peer-Reviewed

  Feb. 2000175 words Article

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• Comparison of scattering ratio profiles retrieved from ALADIN/Aeolus and CALIOP/CALIPSO observations and preliminary estimates of cloud fraction profiles.

  Authors:Artem G. Feofilov, Hélène Chepfer, Vincent Noël, Rodrigo Guzman, Cyprien Gindre, Po-Lun Ma, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 4) Peer-Reviewed

  Mar. 2, 2022546 words Article The space-borne active sounders have been contributing invaluable vertically resolved information of atmospheric optical properties since the launch of Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation...

• ReOBS: a new approach to synthesize long-term multi-variable dataset and application to the SIRTA supersite

  Authors:Marjolaine Chiriaco, Jean-Charles Dupont, Sophie Bastin, Jordi Badosa, Julio Lopez, Martial Haeffelin, et al.From:Earth System Science Data (Vol. 10, Issue 2) Peer-Reviewed

  May 23, 2018367 words Author abstract, Bri... A scientific approach is presented to aggregate and harmonize a set of 60 geophysical variables at hourly timescale over a decade, and to allow multiannual and multi-variable studies combining atmospheric dynamics and...

• Scales of spatial and temporal variation of solar irradiance on Reunion tropical island

  Authors:Jordi Badosa, Martial Haeffelin, and HeLeNe ChepferFrom:Solar Energy (Vol. 88) Peer-Reviewed

  Feb. 2013127 words Article

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