Explore the words cloud of the OXYGEN project. It provides you a very rough idea of what is the project "OXYGEN" about.
The following table provides information about the project.
THE UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWS
|Coordinator Country||United Kingdom [UK]|
|Total cost||1˙767˙455 €|
|EC max contribution||1˙767˙455 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2016-06-01 to 2021-05-31|
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|1||THE UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDREWS||UK (ST ANDREWS)||coordinator||1˙767˙455.00|
Atmospheric oxygen is fundamental to life as we know it, but its concentration has changed dramatically over Earth’s 4.5 billion year history. An amazing qualitative story has emerged, in which Earth’s atmosphere was devoid of free oxygen for the first 2 billion years of planetary history, with two significant increases in concentration at ~2.4 and ~0.55 billion years ago. Both oxygenation events were accompanied by extreme climatic effects – the “snowball earth” episodes – and paved the way for massive reorganization of biogeochemical cycles such as the Cambrian radiation of macroscopic life. Despite these profound influences on the Earth system, we currently lack fundamental quantitative constraints on Earth’s atmospheric evolution. I am poised to add substantial quantitative rigor to Earth’s atmospheric history, by constraining the concentrations of important gases (e.g., O2, O3, CO2, CH4, organic haze) in ancient atmospheres to unprecedented accuracy. I will accomplish this via an innovative interdisciplinary program focused on the unusual mass-independent isotope fractionations observed in sedimentary rocks containing sulfur and oxygen. These signals are direct remnants of ancient atmospheric chemistry, and contain far more information than can currently be interpreted. This project combines novel experimental and methodological approaches with state-of-the-art numerical modelling to significantly advance our ability to decipher the isotope records. A unique “early Earth” UV lamp coupled to a custom-built photocell will enable direct production of isotope signals under Earth-like conditions, with time-dependent sampling. Groundbreaking analytical methodologies will vastly increase the global geochemical database. The experimental results and data will provide ground-truth for next-generation atmospheric models that will constrain atmospheric composition and its feedbacks with the Earth-biosphere-climate system during key points in our planetary history.
|year||authors and title||journal||last update|
Andrew J. Rushby, Martin Johnson, Benjamin J.W. Mills, Andrew J. Watson, Mark W. Claire
Long-Term Planetary Habitability and the Carbonate-Silicate Cycle
published pages: 469-480, ISSN: 1531-1074, DOI: 10.1089/ast.2017.1693
Steven F. Sholes, Megan L. Smith, Mark W. Claire, Kevin J. Zahnle, David C. Catling
Anoxic atmospheres on Mars driven by volcanism: Implications for past environments and life
published pages: 46-62, ISSN: 0019-1035, DOI: 10.1016/j.icarus.2017.02.022
C. Mettam, A.L. Zerkle, M.W. Claire, G. Izon, C.J. Junium, R.J. Twitchett
High-frequency fluctuations in redox conditions during the latest Permian mass extinction
published pages: 210-223, ISSN: 0031-0182, DOI: 10.1016/j.palaeo.2017.06.014
|Palaeogeography, Palaeoclimatology, Palaeoecology 485||2019-09-02|
Elizabeth A. Oberlin, Mark W. Claire, and Samuel P. Kounaves
Evaluation of the Tindouf Basin Region in Southern Morocco as an Analogue Site for Soil Geochemistry on Noachian Mars
published pages: 1-11, ISSN: 1531-1074, DOI: 10.1089/ast.2016.1557
|Astrobiology Vol. 18, No. 10||2019-09-02|
J. K. Harris, C. R. Cousins, M. W. Claire
Spectral identification and quantification of salts in the Atacama Desert
published pages: 100050I, ISSN: , DOI: 10.1117/12.2241520
|Earth Resources and Environmental Remote Sensing/GIS Applications VII Vol. 10005||2019-09-02|
Aubrey L. Zerkle, Simon W. Poulton, Robert J. Newton, Colin Mettam, Mark W. Claire, Andrey Bekker, Christopher K. Junium
Onset of the aerobic nitrogen cycle during the Great Oxidation Event
published pages: 465-467, ISSN: 0028-0836, DOI: 10.1038/nature20826
Elizabeth A. Jaramillo, Samuel H. Royle, Mark W. Claire, Samuel P. Kounaves, Mark A. Sephton
Indigenous Organicâ€Oxidized Fluid Interactions in the Tissint Mars Meteorite
published pages: 3090-3098, ISSN: 1944-8007, DOI: 10.1029/2018gl081335
|Geophysical Research Letters banner Volume 46, Issue 6||2019-09-02|
Gareth Izon, Aubrey L. Zerkle, Kenneth H. Williford, James Farquhar, Simon W. Poulton, Mark W. Claire
Biological regulation of atmospheric chemistry en route to planetary oxygenation
published pages: E2571-E2579, ISSN: 0027-8424, DOI: 10.1073/pnas.1618798114
|Proceedings of the National Academy of Sciences 114/13||2019-02-28|
Giada Arney, Shawn D. Domagal-Goldman, Victoria S. Meadows, Eric T. Wolf, Edward Schwieterman, Benjamin Charnay, Mark Claire, Eric HÃ©brard, Melissa G. Trainer
The Pale Orange Dot: The Spectrum and Habitability of Hazy Archean Earth
published pages: 873-899, ISSN: 1531-1074, DOI: 10.1089/ast.2015.1422
C. L. BlÃ¤ttler, M. W. Claire, A. R. Prave, K. KirsimÃ¤e, J. A. Higgins, P. V. Medvedev, A. E. Romashkin, D. V. Rychanchik, A. L. Zerkle, K. Paiste, T. Kreitsmann, I. L. Millar, J. A. Hayles, H. Bao, A. V. Turchyn, M. R. Warke, A. Lepland
Two-billion-year-old evaporites capture Earthâ€™s great oxidation
published pages: 320-323, ISSN: 0036-8075, DOI: 10.1126/science.aar2687
Fernando GÃ¡zquez, Mark W. Claire
Triple oxygen isotope analysis of nitrate using isotope exchange cavity ringdown laser spectroscopy
published pages: 1949-1961, ISSN: 0951-4198, DOI: 10.1002/rcm.8268
|Rapid Communications in Mass Spectrometry 32/22||2019-02-28|
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