Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

93 résultats
Image document

Isentropic modeling of a cirrus cloud event observed in the midlatitude upper troposphere and lower stratosphere

Nadège Montoux , Philippe Keckhut , Alain Hauchecorne , Julien Jumelet , Hélène Brogniez , et al.
Journal of Geophysical Research: Atmospheres, 2010, 115 (D2), pp.D02202. ⟨10.1029/2009JD011981⟩
Article dans une revue hal-00448611v1

Analysis of the influence of a climate change on the free tropospheric water vapor distribution over mid-latitudes areas in GCMs.

Hélène Brogniez , Raymond T. Pierrehumbert
AGU Fall Meeting, San Francisco, 5–9 December 2005, 2005, San Francisco, United States
Communication dans un congrès hal-00159974v1
Image document

Using microwave observations to assess large-scale control of free tropospheric water vapor in the mid-latitudes.

Hélène Brogniez , Raymond T. Pierrehumbert
Geophysical Research Letters, 2006, 33 (14), pp.L14801. ⟨10.1029/2006GL026240⟩
Article dans une revue hal-00159808v1
Image document

Quantifying the contribution of the Megha-Tropiques mission to the estimation of daily accumulated rainfall in the Tropics

Rémy Roca , Nicolas Taburet , Estelle Lorant , Philippe Chambon , Matias Alcoba , et al.
Quarterly Journal of the Royal Meteorological Society, 2018, Supplement: Advances in Remote Sensing of Rainfall and Snowfall, 144 (S1), pp.49-63. ⟨10.1002/qj.3327⟩
Article dans une revue insu-01835687v1

Measuring dynamical properties of atmospheric convection using C2OMODO: a tandem of microwave radiometers

Thomas Lefebvre , Helene Brogniez , Laura Hermozo , Frédéric Chevalier
EGU General Assembly 2024, Apr 2024, Vienna, Austria. pp.EGU24-8065, 2024, ⟨10.5194/egusphere-egu24-8065⟩
Poster de conférence insu-04507073v1

Megha-Tropiques mission status

Nicolas Viltard , R. Roca , Hélène Brogniez , Marielle Gosset
6th Workshop of the International Precipitation Working Group (IPWG6), Oct 2012, São José dos Campos, Brazil
Communication dans un congrès hal-00796286v1

Observed Influence on the Tropical Atmospheric Water Cycle

Erik Höjgård‐olsen , Hélène Brogniez , Hélène Chepfer
21st EGU General Assembly, Apr 2019, Vienna, Austria. pp.id.10125
Communication dans un congrès insu-04425442v1

Interannual and intraseasonal variabilities of the Free Tropospheric Humidity using METEOSAT Water Vapor channel over the Tropics.

Hélène Brogniez , R. Roca , L. Picon
The Eumetsat Satellite Meteorological Conference, 31/05-04/06/2004, 2004
Communication dans un congrès hal-00159941v1

A 14-years METEOSAT Water Vapor database for the evaluation of general circulation models over tropical areas.

R. Roca , Hélène Brogniez , L. Picon
AGU Fall Meeting, San Francisco,5–9 December 2005, 2005, San Francisco, United States
Communication dans un congrès hal-00159969v1

METEOSAT observations of the Free Tropospheric Humidity: large-scale dynamical interpretation and GCMs performances.

R. Roca , Hélène Brogniez , L. Picon
3rd Indo-French workshop on Megha-Tropiques under ISRO-CNES Programme on Atmosphere, Climate and Oceanography, Ahmedabad October 17-20, 2005, 2005, Ahmedabad, India
Communication dans un congrès hal-00159981v1

Using Megha‐Tropiques satellite data to constrain humidity in regional convective simulations: A northern Australian test case

Abhnil A. Prasad , Steven C. Sherwood , Hélène Brogniez
Quarterly Journal of the Royal Meteorological Society, 2020, 146 (731), pp.2768-2788. ⟨10.1002/qj.3816⟩
Article dans une revue insu-02561954v1
Image document

A layer-averaged relative humidity profile retrieval for microwave observations: design and results for the Megha-Tropiques payload

Ramses Sivira , Hélène Brogniez , Cécile Mallet , Yacine Oussar
Atmospheric Measurement Techniques, 2015, 8, pp.1055-1071. ⟨10.5194/amt-8-1055-2015⟩
Article dans une revue hal-01060604v1

Qsat: A Mission Proposal for Profiling Water Vapour from Space

Martin Wirth , Bjorn Stevens , Albert Ansmann , Sandrine Bony , Hélène Brogniez , et al.
20th EGU General Assembly, EGU2018, Apr 2018, Vienna, Austria. pp.8267
Communication dans un congrès insu-04425488v1
Image document

The GEWEX Water Vapor Assessment: Overview and Introduction to Results and Recommendations

Marc Schröder , Maarit Lockhoff , Lei Shi , Thomas August , Ralf Bennartz , et al.
Remote Sensing, 2019, 11 (3), pp.251. ⟨10.3390/rs11030251⟩
Article dans une revue insu-02062615v1
Image document

Time-Delayed Tandem Microwave Observations of Tropical Deep Convection: Overview of the C2OMODO Mission

Hélène Brogniez , Rémy Roca , Franck Auguste , Jean-Pierre Chaboureau , Ziad Haddad , et al.
Frontiers in Remote Sensing, 2022, 3, pp.854735. ⟨10.3389/frsen.2022.854735⟩
Article dans une revue hal-03717924v1
Image document

A study of the free tropospheric humidity interannual variability using Meteosat data and an advection-condensation transport model

Hélène Brogniez , Rémy Roca , Laurence Picon
Journal of Climate, 2009, 22 (24), pp.6773-6787. ⟨10.1175/2009JCLI2963.1⟩
Article dans une revue hal-00408503v1
Image document

A clear-sky radiance archive from Meteosat "water vapor" observations.

Hélène Brogniez , Rémy Roca , Laurence Picon
Journal of Geophysical Research: Atmospheres, 2006, 111 (21), pp.D21109. ⟨10.1029/2006JD007238⟩
Article dans une revue hal-00159811v1

Recent climate variability in West Africa from long series of METEOSAT data

Laurence Picon , R. Roca , Hélène Brogniez , M. Schroder
4th AMMA International Conference, Jun 2012, Toulouse, France
Communication dans un congrès hal-00796174v1

The mesoscale organization of shallow convection:

Bjorn Stevens , Bony Sandrine , Hélène Brogniez , Laureline Hentgen , Cathy Hohenegger , et al.
20th EGU General Assembly, EGU2018, Apr 2018, Vienna, Austria. pp.10832
Communication dans un congrès insu-04425200v1

Evaluation de l'humidité de la troposphère libre tropicale dans les MCGs avec METEOSAT: Méthodologie et application à AMIP-2.

Hélène Brogniez , Rémy Roca , L. Picon
Ateliers de Modélisation de l'Atmosphère "Contrôle et vérification des modèles", 2004, Toulouse, France
Communication dans un congrès hal-00159935v1

Retrieval of Relative Humidity Profiles and its Associated Error from Megha-Tropiques Measurements

Ramses Sivira , Hélène Brogniez , Cécile Mallet
Proceedings of the International Radiation Symposium (IRC/IAMAS), Aug 2012, Berlin, Germany. pp.216-220, ⟨10.1063/1.4804745⟩
Communication dans un congrès hal-00724091v1

Upper Tropospheric humidity from Megha-Tropiques : A humidity-convection study

Nicolas Viltard , Hélène Brogniez , Audrey Martini
2013 EUMETSAT Meteorological Satellite Conference 19th American Meteorological Society (AMS) Satellite Meteorology, Oceanography, and Climatology Conference: Understanding the past, observing the present and protecting the future, Vienna 2013, Sep 2013, Vienna, Austria
Communication dans un congrès hal-01006230v1

Future Satellite Observations of the Dynamics and Microphysics of Convection from the NASA Atmosphere Observing System (AOS)

Scott A. Braun , Matthew Mclinden , Pavlos Kollias , Hélène Brogniez , Takuji Kubota , et al.
AGU Fall Meeting 2023, Dec 2023, san Francisco, United States
Communication dans un congrès insu-04351682v1
Image document

Satellite Observed Sensitivity of Tropical Clouds and Moisture to Sea Surface Temperature on Various Time and Space Scales: Part 2. Focus on Marine Low Level Clouds

Erik Hojgard-Olsen , Hélène Chepfer , Hélène Brogniez
Journal of Geophysical Research: Atmospheres, 2022, 127 (6), pp.e2021JD035402. ⟨10.1029/2021JD035402⟩
Article dans une revue insu-03586903v1
Image document

The Diurnal Cycles of Cloud Profiles and Water Vapor over Land and Ocean seen by the CATS Spaceborne Lidar and Megha-Tropiques Sensors

Vincent Noël , Hélène Chepfer , Marjolaine Chiriaco , Hélène Brogniez , John Yorks , et al.
ATMOS 2018, Nov 2018, Salzburg, Austria
Communication dans un congrès insu-01979657v1
Image document

Tropical water vapor and large-scale circulation from CMIP6 GCMs and ESA CCI+ "Water Vapor" climate data records

Jia He , Hélène Brogniez , Laurence Picon
ATMOS 2021, Nov 2021, Virtual Meeting, France
Communication dans un congrès insu-03473407v1
Image document

The Influence of Convective Aggregation on the Stable Isotopic Composition of Water Vapor

Joseph Galewsky , Matthias Schneider , Christopher Diekmann , Addisu Semie , Sandrine Bony , et al.
AGU Advances, 2023, 4 (5), pp.e2023AV000877. ⟨10.1029/2023av000877⟩
Article dans une revue insu-04209487v1
Image document

The C2Omodo Concept: A Tandem of New Generation High Resolution All-Sky Atmospheric Sounders in the Frame of the AOS Mission

Jérôme Puech , L. Hermozo , Hélène Brogniez , Rémy Roca , Thomas Fiolleau , et al.
IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, Jul 2023, Pasadena (CA), United States. pp.4576-4579, ⟨10.1109/IGARSS52108.2023.10283295⟩
Communication dans un congrès insu-04256803v1

Coupling of clouds and tropospheric relative humidity in the intertropics: insight from multi-satellites observations

Hélène Brogniez , Pierre-Emmanuel Kirstetter
AGU Fall Meeting, Dec 2018, Washington, United States
Poster de conférence hal-01959979v1

CMIP6 models evaluation using multi-resolution analysis and satellite observations : study of the atmospheric water vapor

Cedric Gacial Ngoungué Langué , Hélène Brogniez , Philippe Naveau
EGU General Assembly 2024, Apr 2024, Vienna, Austria. pp.EGU24-10136, ⟨10.5194/egusphere-egu24-10136⟩
Communication dans un congrès insu-04510315v1