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Alexandra Pontefract
Alexandra Pontefract
Senior Staff Scientist, Johns Hopkins Applied Physics Laboratory
Verified email at jhuapl.edu - Homepage
Title
Cited by
Cited by
Year
Impact-generated hydrothermal systems on Earth and Mars
GR Osinski, LL Tornabene, NR Banerjee, CS Cockell, R Flemming, ...
Icarus 224 (2), 347-363, 2013
2782013
The role of meteorite impacts in the origin of life
GR Osinski, CS Cockell, A Pontefract, HM Sapers
Astrobiology 20 (9), 1121-1149, 2020
932020
Microbial diversity in a hypersaline sulfate lake: a terrestrial analog of ancient Mars
A Pontefract, TF Zhu, VK Walker, H Hepburn, C Lui, MT Zuber, G Ruvkun, ...
Frontiers in microbiology 8, 1819, 2017
762017
The CanMars Mars sample return analogue mission
GR Osinski, M Battler, CM Caudill, R Francis, T Haltigin, VJ Hipkin, ...
Planetary and Space Science 166, 110-130, 2019
352019
Towards in situ sequencing for life detection
CE Carr, A Mojarro, J Hachey, K Saboda, J Tani, SA Bhattaru, A Smith, ...
2017 IEEE Aerospace Conference, 1-18, 2017
312017
Microbial diversity and activity in Southern California salterns and bitterns: analogues for remnant ocean worlds
B Klempay, N Arandia‐Gorostidi, AE Dekas, DH Bartlett, CE Carr, ...
Environmental microbiology 23 (7), 3825-3839, 2021
162021
Current state of athalassohaline deep‐sea hypersaline anoxic basin research—recommendations for future work and relevance to astrobiology
LA Fisher, A Pontefract, S M Som, CE Carr, B Klempay, B E Schmidt, ...
Environmental Microbiology 23 (7), 3360-3369, 2021
162021
Sequencing nothing: Exploring failure modes of nanopore sensing and implications for life detection
A Pontefract, J Hachey, MT Zuber, G Ruvkun, CE Carr
Life sciences in space research 18, 80-86, 2018
152018
Impact-generated endolithic habitat within crystalline rocks of the Haughton impact structure, Devon Island, Canada
A Pontefract, GR Osinski, CS Cockell, CA Moore, JE Moores, G Southam
Astrobiology 14 (6), 522-533, 2014
152014
Geomorphology of Gullies at Thomas Lee Inlet, Devon Island, Canadian High Arctic
E Godin, GR Osinski, TN Harrison, A Pontefract, M Zanetti
Permafrost and Periglacial Processes 30 (1), 19-34, 2019
112019
The effects of meteorite impacts on the availability of bioessential elements for endolithic organisms
A Pontefract, GR Osinski, P Lindgren, J Parnell, CS Cockell, G Southam
Meteoritics & Planetary Science 47 (10), 1681-1691, 2012
112012
CanMars mission Science Team operational results: Implications for operations and the sample selection process for Mars Sample Return (MSR)
CM Caudill, AJ Pontefract, GR Osinski, LL Tornabene, EA Pilles, M Battler, ...
Planetary and Space Science 172, 43-56, 2019
92019
Microbial diversity of impact-generated habitats
A Pontefract, GR Osinski, CS Cockell, G Southam, PJA McCausland, ...
Astrobiology 16 (10), 775-786, 2016
82016
The bioburden and ionic composition of hypersaline lake ices: novel habitats on earth and their astrobiological implications
JJ Buffo, EK Brown, A Pontefract, BE Schmidt, B Klempay, J Lawrence, ...
Astrobiology 22 (8), 962-980, 2022
72022
Field and laboratory validation of remote rover operations Science Team findings: The CanMars Mars Sample Return analogue mission
CM Caudill, GR Osinski, E Pilles, HM Sapers, AJ Pontefract, R Francis, ...
Planetary and Space Science 176, 104682, 2019
72019
CanMars mission science results and review of optimization for sample selection for Mars Sample Return (MSR) based on science operations and procedures
CM Caudill, A Pontefact, GR Osinski, LL Tornabene, T Xie, A Mittelholz, ...
Planet. Space Sci.(in this issue), 2018
72018
A series of robotic and human analogue missions in support of lunar sample return
CL Marion, GR Osinski, S Abou-Aly, I Antonenko, T Barfoot, N Barry, ...
43rd Annual Lunar and Planetary Science Conference, 2333, 2012
52012
Trapped in the ice: an analysis of brines in British Columbia's hypersaline lakes
EK Brown, JJ Buffo, M Grantham, A Pontefract, J Glass, E Ingall, P Doran, ...
51st Annual Lunar and Planetary Science Conference, 2218, 2020
42020
Microbial life in impact craters
CS Cockell, G Osinski, H Sapers, A Pontefract, J Parnell
Current Issues in Molecular Biology 38 (1), 75-102, 2020
32020
The Role of Ionic Composition and Concentration on Biosignature Preservation: Lessons from the" Spotted" Lakes of British Colombia
A Pontefract, CE Carr, MR Osburn
The Astrobiology Science Conference (AbSciCon) 2019, 503-6, 2019
32019
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