2026 Pascal Rannou: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	43	7140	6863	311	308	238	6703

Pascal Rannou publications per year

1993 2025

284 publications in total across all disciplines

Pascal Rannou publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Pascal Rannou sits on this spectrum.

41 publications 690+

This scientist: 238 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Pascal Rannou D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Pascal Rannou sits on this spectrum.

30 D-Index 126+

This scientist: 43 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Pascal Rannou is affiliated with the University of Reims Champagne-Ardenne in France. Their research is concentrated within the broad field of Physics and Astronomy, with a specific focus on Astronomy and Astrophysics. Additional subfields of study encompass Atmospheric Science, Global and Planetary Change, Environmental Chemistry, and Ecology.

Their scholarly contributions emphasize topics such as Astro and Planetary Science, Planetary Science and Exploration, Atmospheric Ozone and Climate, Stellar, planetary, and galactic studies, Methane Hydrates and Related Phenomena, Astrophysics and Star Formation Studies, and Atmospheric aerosols and clouds.

Pascal Rannou has published extensively in a number of scientific journals, with frequent publication venues including:

The Planetary Science Journal
Icarus
Astronomy and Astrophysics
Journal of Quantitative Spectroscopy and Radiative Transfer
Space Science Reviews

Among their recent papers are:

"Optical constants of Pluto aerosol analogues from UV to near-IR" (2021), published in Icarus
"Moonraker: Enceladus Multiple Flyby Mission" (2022), published in The Planetary Science Journal
"Number of independent measurements required to obtain reliable mean scattering properties of irregular particles having a small size parameter, using microwave analogy measurements" (2021), published in Journal of Quantitative Spectroscopy and Radiative Transfer
"Distribution and intensity of water ice signature in South Xanadu and Tui Regio" (2021), published in Icarus
"Analysis of four solar occultations by Titan's atmosphere with the infrared channel of the VIMS instrument: Haze, CH₄, CH₃D, and CO vertical profiles" (2022), published in Astronomy and Astrophysics

Frequent collaborators in Pascal Rannou's research include:

S. Rodríguez
Daniel Toledo
Maélie Coutelier
S. Lebonnois
Sandrine Vinatier

Best Publications

Origin and role of water ice clouds in the Martian water cycle as inferred from a general circulation model

Franck Montmessin;Francois Forget;Pascal Rannou;Michel Cabane

432
Citations
The Latitudinal Distribution of Clouds on Titan

Pascal Rannou;Pascal Rannou;Franck Montmessin;Franck Montmessin;F. Hourdin;F. Hourdin;Sébastien Lebonnois;Sébastien Lebonnois

261
Citations
SPICAV on Venus Express: Three spectrometers to study the global structure and composition of the Venus atmosphere

Jean-Loup Bertaux;D. Nevejans;O. Korablev;Eric Villard

259
Citations
Seasonal Variations of Titan's Atmospheric Composition

Sebastien Lebonnois;Sebastien Lebonnois;Dominique Toublanc;Frederic Hourdin;Pascal Rannou

242
Citations
Evidence for a Polar Ethane Cloud on Titan

C.A. Griffith;P. Penteado;Pascal Rannou;R. Brown

209
Citations
SPICAM on Mars Express: Observing modes and overview of UV spectrometer data and scientific results

Jean-Loup Bertaux;Jean-Loup Bertaux;Oleg Korablev;Séverine Perrier;Séverine Perrier;Eric Quémerais;Eric Quémerais

204
Citations
Evidence for the exposure of water ice on Titan's surface.

Caitlin A. Griffith;Tobias Owen;Thomas R. Geballe;John Rayner

203
Citations
Physical properties of the organic aerosols and clouds on Titan

C.P McKay;A Coustenis;R.E Samuelson;M.T Lemmon

189
Citations
Subvisible CO2 ice clouds detected in the mesosphere of Mars

Franck Montmessin;Jean-Loup Bertaux;Eric Quémerais;Oleg Korablev

181
Citations
A coupled dynamics-microphysics model of Titan's atmosphere

P. Rannou;F. Hourdin;C.P. McKay;D. Luz

181
Citations
A wind origin for Titan's haze structure

P. Rannou;F. Hourdin;C. P. McKay

171
Citations
Titan global climate model: A new 3-dimensional version of the IPSL Titan GCM

Sébastien Lebonnois;Jérémie Burgalat;Pascal Rannou;Pascal Rannou;Benjamin Charnay

166
Citations
Titan's Geometric Albedo: Role of the Fractal Structure of the Aerosols

P. Rannou;M. Cabane;E. Chassefiere;R. Botet

151
Citations
New insights into Martian dust distribution and water-ice cloud microphysics

Franck Montmessin;Pascal Rannou;Michel Cabane

149
Citations
Fractal aggregates in Titan's atmosphere

M. Cabane;P. Rannou;E. Chassefière;G. Israel

147
Citations
Stellar Occultations at UV Wavelengths by the SPICAM Instrument: Retrieval and Analysis of Martian Haze Profiles

Franck Montmessin;Eric Quémerais;Jean-Loup Bertaux;Oleg Korablev

137
Citations
Applications of a new set of methane line parameters to the modeling of Titan’s spectrum in the 1.58 μm window

Catherine de Bergh;Régis Courtin;Bruno Bézard;Athéna Coustenis

132
Citations
Titan's surface and atmosphere from Cassini/VIMS data with updated methane opacity

M. Hirtzig;B. Bézard;E. Lellouch;A. Coustenis

121
Citations
A new interpretation of scattered light measurements at Titan's limb

Pascal Rannou;Michel Cabane;Robert Botet;Eric Chassefière

119
Citations
Titan's stratospheric composition driven by condensation and dynamics

Frédéric Hourdin;Sébastien Lebonnois;David Luz;Pascal Rannou

117
Citations
TandEM: Titan and Enceladus mission

Athena Coustenis;Sushil K. Atreya;T. Balint;R.H. Brown

112
Citations

Frequent Co-Authors

Sébastien Lebonnois Sorbonne University

Sebastien Rodriguez Institut de Physique du Globe de Paris

Jason W. Barnes University of Idaho

Franck Montmessin University of Paris-Saclay

S. Le Mouélic University of Nantes

Frédéric Hourdin Université Paris Cité

Jean-Pierre Pommereau Centre national de la recherche scientifique, CNRS

Christopher P. McKay Ames Research Center

Ralph D. Lorenz Johns Hopkins University Applied Physics Laboratory

P. Drossart Université Paris Cité

External Links

Personal website of Pascal Rannou

If you think any of the details on this page are incorrect, let us know.

Related Online Degrees & Career Pathways

For students interested in Environmental Sciences, exploring related online degrees can offer diverse career opportunities. Many learners seek the easiest bachelor degree to get as a starting point, balancing workload with gaining valuable environmental knowledge.

Programs like an online geoscience online degree provide focused education on Earth's physical structure, essential for careers in natural resource management and environmental consulting.

Additionally, the rise of technological tools makes best GIS programs increasingly relevant. GIS expertise helps environmental scientists analyze and visualize spatial data to address ecological challenges effectively.

For those aspiring to leadership roles in public policy and environmental management, pursuing a one-year MPA one year degree can accelerate career advancement and enhance skills in administration and governance.