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Aye, K.-M.; Portyankina, Gann; Thomas, Nicolas (2010). Semi-Automatic Measures of Activity in the Inca City Region of Mars Using Morphological Image Analysis. In: 41st Lunar and Planetary Science Conference Abstracts, March 1-5, 2010 in The Woodlands, Texas. Lunar and Planetary Institute Contribution Series: Vol. 1533 (p. 2707). Houston: Lunar and Planetary Institute
Portyankina, Ganna; Thomas, Nicolas; Hansen, C.; Aye, K.-M. (2010). Cracks in Seasonal Semi-Translucent Ice Layer in Martian Polar Areas. In: 41st Lunar and Planetary Science Conference Abstracts, March 1-5, 2010 in The Woodlands, Texas. Lunar and Planetary Institute Contribution Series: Vol. 1533 (p. 2671). Houston: Lunar and Planetary Institute
Hansen, C.-J.; Portyankina, Ganna; Thomas, Nicolas; Byrne, S.; McEwen, A. (2010). HiRISE Images of Spring on Mars. In: 41st Lunar and Planetary Science Conference Abstracts, March 1-5, 2010 in The Woodlands, Texas. Lunar and Planetary Institute Contribution Series: Vol. 1533 (p. 2029). Houston: Lunar and Planetary Institute
Portyankina, Ganna; Vincendon, M.; Thomas, Nicolas; Aye, K.-M. (2010). Recovery of Surface Reflectance from Atmospheric Aerosol Contribution: Application to HiRISE Images. In: 41st Lunar and Planetary Science Conference Abstracts, March 1-5, 2010 in The Woodlands, Texas. Lunar and Planetary Institute Contribution Series: Vol. 1533 (p. 1582). Houston: Lunar and Planetary Institute
Thomas, N.; Portyankina, G.; Hansen, C.J.; Gfeller, G. (2009). Jet-like activity in the Inca City region of Mars: Rate of initiation of activity. In: European Planetary Science Congress 2009, 14-18 September, Potsdam, Germany (p. 478). European Planetary Science Congress (EPSC)
Kossacki, K.J.; Portyankina, G. (2009). Evolution of exposed ice in fresh low-latitude craters on Mars. In: European Planetary Science Congress 2009, 14-18 September, Potsdam, Germany 211 (pp. 195-206). European Planetary Science Congress (EPSC) 10.1016/j.icarus.2010.10.005
Portyankina, Ganna; Pommerol, Antoine; Aye, Klaus-Michael; Hansen, Candice J.; Thomas, Nicolas (2013). Observations of the northern seasonal polar cap on Mars II: HiRISE photometric analysis of evolution of northern polar dunes in spring. Icarus, 225(2), pp. 898-910. Elsevier 10.1016/j.icarus.2012.10.017
Pommerol, Antoine; Appéré, T.; Portyankina, Ganna; Aye, Klaus-Michael; Thomas, Nicolas; Hansen, C.J. (2013). Observations of the northern seasonal polar cap on Mars III: CRISM/HiRISE observations of spring sublimation. Icarus, 225(2), pp. 911-922. Elsevier 10.1016/j.icarus.2012.08.039
Portyankina, Ganna; Pommerol, Antoine; Aye, Klaus-Michael; Hansen, Candice T. J.; Thomas, Nicolas (2012). Polygonal cracks in the seasonal semi-translucent CO2 ice layer in Martian polar areas. Journal of geophysical research, 117(E2), n/a-n/a. American Geophysical Union 10.1029/2011JE003917
Pommerol, A.; Portyankina, G.; Thomas, N.; Aye, K.M.; Hansen, C.J.; Vincendon, M.; Langevin, Y. (2011). Evolution of south seasonal cap during Martian spring: Insights from high-resolution observations by HiRISE and VRISM on Mars Reconnaissance Orbiter. Journal of geophysical research, 116(E8) Washington, D.C.: American Geophysical Union 10.1029/2010JE003790
Pommerol, A.; Thomas, N.; Affolter, M.; Portyankina, G.; Jost, B.; Seiferlin, K.; Aye, K.M. (2011). Photometry and bulk physical properties of Solar System surfaces icy analogs: The Planetary Ice Laboratory at University of Bern. Planetary and space science, 59(13), pp. 1601-1612. New York, N.Y.: Elsevier 10.1016/j.pss.2011.07.009
Thomas, N.; Portyankina, G.; Hansen, C.J.; Pommerol, A. (2011). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: IV. Fluid dynamics models of CO2 jets. Icarus, 212(1), pp. 66-85. Amsterdam: Elsevier 10.1016/j.icarus.2010.12.016
Thomas, N.; Portyankina, G.; Hansen, C.J.; Pommerol, A. (2011). Sub-surface CO2 gas flow in Mars' polar regions: Gas transport under constant production rate conditions. Geophysical Research Letters, 38(L08203), p. 5. Washington, D.C.: American Geophysical Union 10.1029/2011GL046797
Hansen, C.J.; Bourke, M.; Bridges, N.T.; Byrne, S.; Colon, C.; Diniega, S.; Dundas, C.; Herkenhoff, K.; McEwen, A.; Mellon, M.; Portyankina, G.; Thomas, N. (2011). Seasonal Erosion and Restoration of Mars' Northern Polar Dunes. Science, 331(6017), pp. 575-578. Washington, D.C.: American Association for the Advancement of Science 10.1126/science.1197636
Kossacki, K.J.; Portyankina, G.; Thomas, N. (2011). The evolution of exposed ice in a fresh mid-latitude crater on Mars. Icarus, 211(1), pp. 195-206. Amsterdam: Elsevier
Thomas, N.; Hansen, C.J.; Portyankinaa, G.; Russell, P.S. (2010). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: II. Surficial deposits and their origins. Icarus, 205(1), pp. 296-310. Amsterdam: Elsevier 10.1016/j.icarus.2009.05.030
Hansen, C.J.; Thomas, N.; Portyankina, G.; McEwen, A.; Becker, T.; Byrne, S.; Herkenhoff, K.; Kieffer, H.; Mellon, M. (2010). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: I. Erosion of the surface. Icarus, 205(1), pp. 283-295. Amsterdam: Elsevier 10.1016/j.icarus.2009.07.021
Hartogh, P.; Blecka, M.I.; Jarchow, C.; Sagawa, H.; Lellouch, E.; de Val-Borro, M.; Rengel, M.; Medvedev, A.S.; Swinyard, B.M.; Moreno, R.; Cavalie, T.; Lis, D.C.; Banaszkiewicz, M.; Bockelee-Morvan, D.; Crovisier, J.; Encrenaz, T.; Kuppers, M.; Lara, L.M.; Szutowicz, S.; Vandenbussche, B.; ... (2010). First results on Martian carbon monoxide from Herschel/HIFI observations. Astronomy and astrophysics, 521(L48), L48. Les Ulis: EDP Sciences 10.1051/0004-6361/201015159
Hartogh, P.; Jarchow, C.; Lellouch, E.; de Val-Borro, M.; Rengel, M.; Moreno, R.; Medvedev, A.S.; Sagawa, H.; Swinyard, B.M.; Cavalie, T.; Lis, D.C.; Blecka, M.I.; Banaszkiewicz, M.; Bockelee-Morvan, D.; Crovisier, J.; Encrenaz, T.; Kuppers, M.; Lara, L.M.; Szutowicz, S.; Vandenbussche, B.; ... (2010). Herschel/HIFI observations of Mars: First detection of O-2 at submillimetre wavelengths and upper limits on HCl and H2O2. Astronomy and astrophysics, 521(L49), L49. Les Ulis: EDP Sciences 10.1051/0004-6361/201015160
Lellouch, E.; Hartogh, P.; Feuchtgruber, H.; Vandenbussche, B.; de Graauw, T.; Moreno, R.; Jarchow, C.; Cavalie, T.; Orton, G.; Banaszkiewicz, M.; Blecka, M.I.; Bockelee-Morvan, D.; Crovisier, J.; Encrenaz, T.; Fulton, T.; Kuppers, M.; Lara, L.M.; Lis, D.C.; Medvedev, A.S.; Rengel, M.; ... (2010). First results of Herschel-PACS observations of Neptune. Astronomy and astrophysics, 518(L152), L152. Les Ulis: EDP Sciences 10.1051/0004-6361/201014600
Portyankina, Ganna; Thomas, Nicolas; Hartogh, Paul; Sagawa, Hiroyuki (2010). Retrieval simulations of the vertical profiles of water vapour and other chemical species in the Martian atmosphere using PACS. In: Bhardwaj, Anil (ed.) Planetary Science (PS). Advances in Geosciences: Vol. 19 (pp. 271-284). Singapore: World Scientific Publishing 10.1142/9789812838162_0021
Portyankina, Ganna; Markiewicz, W.J.; Thomas, N.; Hansen, C.J.; Milazzo, M. (2010). HiRISE observations of gas sublimation-driven activity in Mars' southern polar regions: III. Models of processes involving translucent ice. Icarus, 205(1), pp. 311-320. Amsterdam: Elsevier 10.1016/j.icarus.2009.08.029
Swinyard, B.M.; Hartogh, P.; Sidher, S.; Fulton, T.; Lellouch, E.; Jarchow, C.; Griffin, M.J.; Moreno, R.; Sagawa, H.; Portyankina, Ganna; Blecka, M.; Banaszkiewicz, M.; Bockelee-Morvan, D.; Crovisier, J.; Encrenaz, T.; Kueppers, M.; Lara, L.; Lis, D.; Medvedev, A.; Rengel, M.; ... (2010). The Herschel-SPIRE submillimetre spectrum of Mars. Astronomy and astrophysics, 518(L151), L151. Les Ulis: EDP Sciences 10.1051/0004-6361/201014717
Hartogh, P.; Lellouch, E.; Crovisier, J.; Banaszkiewicz, M.; Bensch, F.; Bergin, E.A.; Billebaud, F.; Biver, N.; Blake, G.A.; Blecka, M.I.; Blommaert, J.; Bockelée-Morvan, D.; Cavalié, T.; Cernicharo, J.; Courtin, R.; Davis, G.; Decin, L.; Encrenaz, P.; Encrenaz, T.; González, A.; ... (2009). Water and related chemistry in the solar system. A guaranteed time key programme for Herschel. Planetary and space science, 57(13), pp. 1596-1606. New York, N.Y.: Elsevier 10.1016/j.pss.2009.07.009
Moissl, R.; Khatuntsev, I.; Limaye, S.S.; Titov, D. V.; Markiewicz, W. J.; Ignatiev, N. I.; Roatsch, T.; Matz, K.-D.; Jaumann, R.; Almeida, M.; Portyankina, G.; Behnke, T.; Hviid, S. F. (2009). Venus cloud top winds from tracking UV features in Venus Monitoring Camera images. Journal of geophysical research, 114(E13), E00B31. Washington, D.C.: American Geophysical Union 10.1029/2008JE003117
