Conference Program and Abstracts

You are warmly invited to join the first international conference to discuss the scientific investigations of the EnVision mission at CNES headquarters in central Paris, France from 12-14 February 2020. (1) The conference will welcome all presentations related to the EnVision mission’s payload and its science investigations. (2) Full remote participation will be enabled (Zoom app); connecting information to appear here at the time of the conference. (3) Invited talks 20 min, contributed talks 15 min, legacy talks 25 min; all including questions. (4) A welcome reception will take place on Tue 11 February 2020 19:00-21:30 in Paris Observatory, 77 av. Denfert-Rochereau, Paris 14.


DAY 1 – Wednesday 12 February 2020

  • 08:00-08:45 Registration
  • 08:45 Welcoming/opening words (CNES, ESA, NASA 5 min x 3)

CNES Headquarters, Paris – Salle de l’Espace


Session 1: EnVision Mission Overview – Wed. 9:00-15:00

Link to Session 1 On-line Abstracts

1.1 – Wed 12 Feb – 09:00-10:45 – Conveners: Titov, Ocampo

  • 09:00 1.01 Ghail – EnVision: understanding why our closest neighbour is so different
  • 09:15 1.02 Hensley – VenSAR: A New Generation S-Band Radar for Venus Exploration
  • 09:35 1.03 Kiefer – High Resolution Topography as a Constraint on Venus Tectonic Processes
  • 09:50 1.04 Le Gall – Microwave Radiometry at Venus with EnVision
  • 10:05 1.05 Bruzzone – SRS: A nadir sub-surface radar sounder
  • 10:25 1.06 Dumoulin – EnVision Radio Science Experiment

10:45-11:15 – Break 1.1

1.2 – Wed 12 Feb – 11:15-12:30 – Conveners: Titov, Ocampo

  • 11:15 1.07 Helbert – The VenSpec suite on the ESA EnVision mission to Venus
  • 11:35 1.08 Marcq – Science Objectives of VenSpec-U (VeSUV) on board EnVision
  • 11:50 1.09 Vandaele – VenSpec-H, an Infrared High Resolution Spectrometer to Observe the Atmosphere of Venus
  • 12:05 1.10 Voirin – Mission & phase A status

12:30 – Lunch 

1.3 – Web 12 Feb – 14:00-15:30 – Conveners: Ghail, Wilson 

  • 14:00 1.11 Romstedt/Wielders – EnVision Payload Complement Overview
  • 14:20 1.12 Rugina – Science operations reference scenario (SORS) / I-EnVision mission, system & telemetry
  • 14:40 1.13 Lefort – Science operations reference scenario (SORS) / II-EnVision science instrument operations
  • 15:00 1.14 Grieger – EnVision Science Operations Analysis with EnVisionary

15:15-15:30 Discussion 1: Phase A/ SORS

15:30-15:45 – Break 1.2


Session 2: Venus: Surface – Wed 15:45-Thu 10:15

Link to Session 2 On-line Abstracts

2.1 – Wed 12 Feb – 15:45-18:00 – Conveners: Komatsu, Ghail

  • 15:45 0.L01 Kiefer (Invited) – Magellan legacy
  • 16:10 2.01 Ivanov (Invited, remote presentation) – Possible Nature of Tessera Terrain on Venus
  • 16:30 2.02 Romeo – Controversial Tectonic Structures On Tessera Terrain, Venus
  • 16:45 2.03 Brossier – Compositional Properties on Venus Highlands: From Magellan Radar to EnVision VenSpec Suite
  • 17:00 2.04 Herrick (Invited, remote presentation) – Unusual Mid-Sized Volcanoes on Venus and the Need for EnVision’s Higher Resolution Imaging and Topography
  • 17:20 2.05 Gregg – The Importance of Plains

17:35-18:00 – Discussion 2.1: Regions of Interest – Surface (I) 

End day 1


DAY 2 – Thursday 13 February 2020

CNES Headquarters, Paris – Salle de l’Espace

Session 2: Venus: Surface (cont’d)

2.2 – Thu 13 Feb – 08:30-10:00 – Conveners: Komatsu, Ghail

  • 08:30 2.10 Carter (invited) – Using Radar Polarimetry to Understand Surface Deposits on Venus
  • 08:50 2.11 Chakraborty (remote presentation) – Characterization of Venusian Geological Features: Opportunities Using EnVision Polarimetric SAR Data
  • 09:05 2.12 Komatsu – Channels On Venus: What We Know Before Revisiting With EnVision
  • 09:20 2.13 Carpy – Sand Transport Regime on Venus: Analytical Approach

09:35-10:00 – Discussion 2.2: Regions of Interest – Surface (II)

2.3P – Thu 13 Feb – 10:00-10:30 Surface Poster Session 

  • 2.06P Hoad – Is Lada Terra the site of a Overturn Upwelling Zone?
  • 2.07P Shalygin – Global Map of the Relative Surface Emissivity at 1 Micron for the Venus Northern Hemisphere and Equatorial Region
  • 2.08P Shalygina 1 – Are the Steep-Sided Domes Produced of Non-Basaltic Lava?
  • 2.09P Berger – Surface-Atmosphere Interaction: How It May Influence Remote Sensing Of Venus Surface

10:00-10:30 Break 2.1


Session 3: Venus: Activity Detection – Thu 10:30-12:30

Link to Session 3 On-line Abstracts

3 – Thu 13 Feb – 10:30-12:30 – Conveners: Helbert, Hensley

  • 10:30 3.01 Lorenz (invited) – Detecting Volcanic Surface Change on Venus: A Critical Assessment of Different Techniques
  • 10:50 3.02 Ghail – How Active is Venus today?
  • 11:05 3.03 Wilson – On the Probability of Detecting Plumes of Volcanogenic Gases in the Troposphere
  • 11:20 3.04 Robert – Scientific Requirements Of VenSpec-H, An Infrared Spectrometer To Study Venus’ Activity
  • 11:35 3.05 Davaille (invited) – Plume-Induced Subduction and Accretion in the Expanding Artemis Coronae

11:55-12:30 – Discussion 3:  Regions of Interest – Activity Detection

12:30 – Lunch 


Session 4: Venus: Interior Structure and Evolution – Thu 14:00-18:00

Link to Session 4 On-line Abstracts

4.1 – Thu 13 Feb – 14:00-15:45 – Conveners: Dumoulin, Gillmann

  • 14:00 4.01 Rosenblatt – Assessment of the EnVision Gravity Experiment
  • 14:20 4.02 James (invited) – Even Modest Improvements In Venus’s Gravity Field Will Improve Our Understanding Of The Crust And Mantle
  • 14:40 4.03 Rambaux – Rotational Motion of Venus and its Observational Strategy through EnVision Mission
  • 14:55 4.04 Kervazo – Effect of a basal magma ocean on the tidal deformation of Venus
  • 15:10 4.05 O’Rourke (invited, remote presentation) – A Thick Basal Magma Ocean May Exist Today

15:30-15:45 – Discussion 4.1: Venus Internal Structure & Rotation

4.2P – Thu 13 Feb – 15:45-16:15 – Internal Structure and Evolution Poster Session 

4.06P Salvador – Early evolution of Venus: from magma ocean to temperate surface conditions?

15:45-16:15 Break 2.2

4.3 – Thu 13 Feb – 16:15-18:00 – Conveners: Dumoulin, Kiefer

  • 16:15 4.07 Gillmann (invited) – Modelling the Evolution of Venus: Insights and Questions
  • 16:35 4.08 Plesa (invited) – Thermal Evolution of Venus’ Interior
  • 16:55 4.09 Breuer – Interior Structure and Present-Day Thermal State of Venus
  • 17:10 4.10 Weller (invited, remote presentation) – Evolution in the Style of Mantle Convection on Venus: The Role of Coupling Between the Mantle, Lithosphere, and Atmosphere

17:30-18:00 – Discussion 4.2: Venus Evolution 

End Day 2 


DAY 3 – Friday 14 February 2020

CNES Headquarters, Paris – Salle de l’Espace


Session 5: Venus: Atmosphere – Fri 08:45-12:45

Link to Session 5 On-line Abstracts

5.1 – Fri 14 Feb – 08:45-10:35 – Conveners: Lebonnois, Satoh

  • 08:45 0.L02 Nakamura (invited) – Akatsuki: Four Earth Years In Venus Orbit
  • 09:10 0.L03 Wilson (Invited) – The Scientific Legacy of Venus Express
  • 09:35 5.01 Mahieux – Mesospheric Water Vapour at the Venus Terminator from SOIR/VEx
  • 09:50 5.02 Encrenaz – H2O and SO2 Thermal Mapping on Venus: Evidence for a Long-Term Anti-Correlation (presenter: Widemann) 
  • 10:05 5.03 Machado – Venus’ Meridional and Zonal winds from: Akatsuki/UVI, Venus Express/VIRTIS, TNG/HARPS-N and CFHT/ESPaDOnS

10:20-10:35 Discussion 5: An Active Atmosphere 

5.2P – Fri 14 Feb – 10:35-11:00 – Atmosphere Poster Session

  • 5.04P Satoh – Venus Night-Side Photometry and Aerosol Properties as Inferred from Restored Akatsuki/IR2 Data
  • 5.05P Shalygina 2 – Glory As An Effective Tool For Retrieving The Properties Of The Venus Upper Clouds
  • 5.06P Slowik – Usefulness of the Bioaccumulatory Hypothesis in the Evaluation of the Venus Electrochemical Habitat

10:35-11:00 Break 3.1

5.3 – Fri 14 Feb – 11:00-12:45 – Conveners: Wilson, Satoh

  • 11:00 5.07 Lebonnois – Exploring the Variability of the Venusian Atmosphere Above the Clouds With the IPSL Venus GCM
  • 11:15 5.08 Millour – The Venus Climate Database Project
  • 11:30 5.09 Lefèvre – Turbulent Vertical Mixing of H2O and SO2 in Venus Cloud Layer
  • 11:45 5.10 Garate-Lopez – The Venus’ Polar Vortices Observed by EnVision
  • 12:00 5.11 Peralta – A Discontinuity at the Lower Clouds of Venus to be considered by EnVision
  • 12:15 5.12 Jessup – EnVision Enabled Studies of Venus’ Climate and Sulfur Chemistry 
  • 12:30 5.13 Tellmann – Radio Sounding of the Venusian Atmosphere and Ionosphere with the Radio Occultation Experiment on EnVision

12:45 – Lunch 


Session 6: Venus Exploration 2025-2040 – Fri 14:00-14:50

Link to session 6 On-line Abstracts

6 – Fri 14 Feb – 14:00-14:50 – Conveners: Widemann, Rocard

  • 14:00 6.01 Helbert – Why We Need An International Venus Program
  • 14:15 6.02 Smrekar (invited, remote presentation) – VERITAS, EnVision and a Venus Program

14:35-14:50 Discussion 6: EnVision and International Venus Exploration 

14:50-15:15 Break 3.2 

Session 7: EnVision Assessment Study Report (Yellow Book) – Fri 15:15-17:15

7 – Fri 14 Feb – 15:15-17:15 – Conveners: Wilson, Mason

15:15-15:45 Round table 1- Goals prioritisation for the EnVision phase A

15:45-17:00 Round table 2 – Yellow Book discussion 

17:00 Address by Dr. Lori Glaze, NASA Planetary Science Division

End Day 3