Antoine Séjourné

Antoine Séjourné

Un chercheur partage les paysages, la vie et la Science en Sibérie




Schmidt Frédéric, Way Michael, Costard François , Bouley Sylvain, Séjourné Antoine, and Aleinov Igor (2022). Stable Martian ocean 3 Gy ago. Proceedings of the National Academy of Sciences

Costard, F, Gautier, E, Konstantinov, P, et al. Thermal regime variability of islands in the Lena River near Yakutsk, eastern Siberia. Permafrost and Periglac Process. 2022; 33( 1): 18- 31. doi:10.1002/ppp.2136


Hughes-Allen L., Bouchard F., Laurion I., Séjourné A., Marlin C., Hatté C., Costard F., Fedorov A., Desyatkin A. (2021). Seasonal patterns in greenhouse gas emissions from thermokarst lakes in Central Yakutia (Eastern Siberia). Limnology & Oceanography.

Costard, F., Dupeyrat, Séjourné, A., Bouchard, F., Fedorov, A., Saint-Bézar, B. (2021). Retrogressive thaw slumps on ice-rich permafrost under degradation: Results from a large-scale laboratory simulation. Geophysical Research Letters


S. Bouley, J. T. Keane, D. Baratoux, B. Langlais, I. Matsuyama, F., Costard, R. Hewins, V.Payre, V. Sautter, A. Séjourné, O. Vanderhaeghe, B. Zanda. A thick crustal block revealed by reconstructions of early Mars highlands. Nature Geoscience 13, 105–109 (2020).

Bouchard F, Agnan Y, Bröder L, et al. The SPLASH Action Group – Towards standardized sampling strategies in permafrost science. Adv Polar Sci, 2020, 31 (3): 153-155,

Bouquety A., Séjourné A., Costard F., Bouley S., Leyguarda E. (2020). Glacial landscape and paleoglaciation in Terra Sabaea: Evidence for a 3.6 Ga polythermal plateau ice cap. Geomorphology, 334:91-111

Di Pietro I., Séjourné A., Costard F., Ciążela M., Rodriguez J.A.P. (2020). Evidence of mud volcanism due to the rapid compaction of martian tsunami deposits in southeastern Acidalia Planitia, Mars. Icarus, 354


Bouquety A., Séjourné A., Costard F., Mercier D., Bouley S. (2019). Morphometric evidence of 3.6 Ga glacial valleys and glacial cirques in Martian Highlands : South of Terra Sabaea. Geomorphology, 334:91-111

Costard F., Séjourné A., Lagain A., Ormö J., Rodriguez J.A.P., Clifford S., Bouley S., Kelfoun K., Lavigne F. (2019). The Lomonosov crater impact event: a possible megatsunami source on Mars. JGR Planets, 124(7)

Pasquon K., Gargani J., Massé M., Vincendon M., Conway S.J., Séjourné A., Jomelli V., Balme M.R., Lopez S., Guimpier A. (2019). Present-day development of gully channel sinuosity by carbon dioxide gas supported flows on Mars. Icarus, 329:296-313

Séjourné, A., Costard, F., Swirad, Z. M., Łosiak, A., Bouley, S., Smith, I., et al (2019).Grid‐mapping the northern plains of Mars: using morphotype and distribution of ice‐related landforms to understand multiple ice‐rich deposits in Utopia Planitia, Journal of Geophysical Research: Planets, doi:10.1029/2018JE005665

Ramsdale, J. D., Balme, M. R., Gallagher, C., Conway, S. J., Smith, I. B., Hauber, E., et al (2019). Gridmapping the northern plains of Mars: Geomorphological, Radar and Water‐Equivalent Hydrogen results from Arcadia Planitia, Journal of Geophysical Research: Planets, doi:10.1029/2018JE005663

Orgel, C., Hauber, E., van Gasselt, S., Reiss, D., Johnsson, A., Ramsdale, J. D., et al (2019). Gridmapping the Northern Plains of Mars: A New Overview of Recent Water‐ and Ice‐Related Landforms in Acidalia Planitia. Journal of Geophysical Research: Planets, doi:10.1029/2018JE005664


Ramsdale, J. D., Balme, M. R., Gallagher, C., Conway, S. J., Smith, I. B., Hauber, E., et al
(2018). Grid-based mapping: A method for rapidly determining the spatial distributions of
small features over very large areas. Journal of Geophysical Research: Planets,


Costard, F. ; Séjourné, A. ; K. Kelfoun, S. Clifford, F. Lavigne, Il Di Pietro, S. Bouley, (2017). Modeling tsunami propagation and the emplacement of thumbprint terrain in an early Mars ocean, JGR Planets, DOI : 10.1002/2016JE005230

A.-T. Auger, O. Groussin, L. Jorda, M.R. El-Maarry, S. Bouley, A. Séjourné, R. Gaskell, C. Capanna, B. Davidsson, S. Marchi, S. Hofner, P.L. Lamy, H. Sierks, C. Barbieri, R. Rodrigo, D. Koschny, H. Rickman, H.U. Keller, J. Agarwal, M.F. A’Hearn, M.A. Barucci, J.-L. Bertaux, I. Bertini, G. Cremonese, V. Da Deppo, S. Debei, M. De Cecco, S. Fornasier, M. Fulle, P.J. Gutierrez, C. Guttler, S. Hviid, W.-H Ip, J. Knollenberg, J.-R. Kramm, E. Kuhrt, M. Kuppers, L.M. Lara, M. Lazzarin, J.J. Lopez Moreno, F. Marzari, M. Massironi, H. Michalik, G. Naletto, N. Oklay, A. Pommerol, L. Sabau, N. Thomas, C. Tubiana, J.-B. Vincent, K.-P. Wenzel (2017). Meter-scale thermal contraction crack polygons on the nucleus of comet 67P/Churyumov-Gerasimenko. Icarus.

Poulet, F, Quantin-Nataf, C, Ballans, H, Dassas, K, Audouard, J, Carter, J, Gondet, B, Lozac’h, L, Malapert, J-C, Marmo, C, Riu, L, Séjourné, A (2017). PSUP : a Planetary SUrface Portal. Planetary and Space Science. doi: 10.1016/j.pss.2017.01.016


Bouley, S., Baratoux, D., Matsuyama, I., Forget, F., Séjourné, A., Turbet, M., Costard, F., (2016). Late Tharsis Formation and implications for Early Mars. Nature, 531, 7592.

Costard, F. ; Séjourné, A. ; Kargel, J. ; Godin, E. (2016). Modeling and observational occurrences of near-surface drainage in Utopia Planitia, Mars. Geomorphology.


Séjourné, A., Costard, F., Gargani, J., Fedorov, A., Skorve, J. (2015). Evolution of the banks of thermokarst lakes in Central Yakutia (Central Siberia) due to retrogressive thaw slump activity controlled by insolation. Geomorphology 241 (34-40).


Massé M., M. ; Beck, P. ; Schmitt, B. ; Pommerol, A. ; McEwen, A. ; Chevrier, V. ; Brissaud, O., Séjourné, A. (2014). Spectroscopy and detectability of liquid brines on Mars. Planetary and Space Science 92, 136-149.

Bartsch, Annett ; Allard, Michel ; Biskaborn, Boris Kolumban ; Burba, George ; Christiansen, Hanne H ; Duguay, Claude R ; Grosse, Guido ; Günther, Frank ; Heim, Birgit ; Högström, Elin ; Kääb, Andreas ; Keuper, Frida ; Lanckman, Jean-Pierre ; Lantuit, Hugues ; Lauknes, Tom Rune ; Leibman, Marina O ; Liu, Lin ; Morgenstern, Anne ; Necsoiu, Marius ; Overduin, Pier Paul ; Pope, Allen ; Sachs, Torsten ; Séjourné, Antoine ; Streletskiy, Dmitry A ; Strozzi, Tazio ; Ullmann, Tobias ; Ullrich, Matthias S ; Vieira, Goncalo ; Widhalm, Barbara (2014). Permafrost longterm monitoring sites (Arctic and Antarctic). PANGAEA,


Soare, R. J., Conway, S., Pearce, G., Costard, F., Séjourné, A. (2013). Sub-kilometre (intra-crater) mounds in Utopia Planitia, Mars : evidence of an ice-dust mantle ? Icarus 225, Issue 2 (982-991).


Séjourné, A., Costard, F., Gargani, J., Soare, R. J., Marmo, C. (2012). Evidence of an eolian ice-rich and stratified permafrost in Utopia Planitia, Mars. Planetary and Space Science 60 (248-254).

Soare, R. J., Costard, F., Pearce, G., Séjourné, A. (2012). A re-interpretation of the recent stratigraphical history of Utopia Planitia : implications for late-Amazonian periglacial and ice-rich terrain. Planetary and Space Science 60 (131-139).


Séjourné, A., Costard, F., Gargani, J., Soare, R. J., Fedorov, A., Marmo, C. (2011). Scalloped depressions and small-sized polygons in western Utopia Planitia, Mars : A new formation hypothesis. Planetary and Space Science 59 (412-422).

Soare, R. J., Séjourné, A., Pearce, G., Costard, F., Osinski, G.R. (2011). The Tuktoyaktuk Coastlands of northern Canada : a possible “wet” periglacial analogue of Utopia Planitia, Mars. Geological Society of America, special analogues issue, 483 (203-218).