Ocean deoxygenation in a warming world von Keeling, Ralph E, Körtzinger, Arne, Gruber, Nicolas

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Extensive land cover change across Arctic–Boreal Northwestern North America from disturbance and climate forcing von Wang, Jonathan A., Sulla‐Menashe, Damien, Woodcock, Curtis E., Sonnentag, Oliver, Keeling, Ralph F., Friedl, Mark A.

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Atmospheric evidence for a global secular increase in carbon isotopic discrimination of land photosynthesis von Keeling, Ralph F., Graven, Heather D., Welp, Lisa R., Resplandy, Laure, Bi, Jian, Piper, Stephen C., Sun, Ying, Bollenbacher, Alane, Meijer, Harro A. J.

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Increasing atmospheric helium due to fossil fuel exploitation von Birner, Benjamin, Severinghaus, Jeffrey, Paplawsky, Bill, Keeling, Ralph F.

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Data-based estimates of interannual sea–air CO2 flux variations 1957–2020 and their relation to environmental drivers von Rödenbeck, Christian, DeVries, Tim, Hauck, Judith, Corinne Le Quéré, Keeling, Ralph F

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Revision of global carbon fluxes based on a reassessment of oceanic and riverine carbon transport von Resplandy, L., Keeling, R. F., Rödenbeck, C., Stephens, B. B., Khatiwala, S., Rodgers, K. B., Long, M. C., Bopp, L., Tans, P. P.

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Quantification of ocean heat uptake from changes in atmospheric O2 and CO2 composition von Resplandy, L., Keeling, R. F., Eddebbar, Y., Brooks, M. K., Wang, R., Bopp, L., Long, M. C., Dunne, J. P., Koeve, W., Oschlies, A.

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Carbon dioxide and methane measurements from the Los Angeles Megacity Carbon Project - Part 1: calibration, urban enhancements, and uncertainty estimates von Verhulst, Kristal R, Karion, Anna, Kim, Jooil, Salameh, Peter K, Keeling, Ralph F, Newman, Sally, Miller, John, Sloop, Christopher, Pongetti, Thomas, Rao, Preeti, Wong, Clare, Hopkins, Francesca M, Yadav, Vineet, Weiss, Ray F, Duren, Riley M, Miller, Charles E

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Recent Climate Observations Compared to Projections von Rahmstorf, Stefan, Cazenave, Anny, Church, John A, Hansen, James E, Keeling, Ralph F, Parker, David E, Somerville, Richard C.J

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Interannual sea-air CO2 flux variability from an observation-driven ocean mixed-layer scheme von Rödenbeck, C, Bakker, D C. E, Metzl, N, Olsen, A, Sabine, C, Cassar, N, Reum, F, Keeling, R F, Heimann, M

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Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6 von Graven, Heather, Allison, Colin E, Etheridge, David M, Hammer, Samuel, Keeling, Ralph F, Levin, Ingeborg, Meijer, Harro A J, Rubino, Mauro, Tans, Pieter P, Trudinger, Cathy M, Vaughn, Bruce H, White, James W C

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Short-term variability of atmospheric helium revealed through a cryo-enrichment method von Birner, Benjamin, Morgan, Eric, Keeling, Ralph F

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Changes to Carbon Isotopes in Atmospheric CO2 Over the Industrial Era and Into the Future von Graven, Heather, Keeling, Ralph F., Rogelj, Joeri

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Enhanced Seasonal Exchange of CO₂ by Northern Ecosystems Since 1960 von Graven, H. D., Keeling, R. F., Piper, S. C., Patra, P. K., Stephens, B. B., Wofsy, S. C., Welp, L. R., Sweeney, C., Tans, P. P., Kelley, J. J., Daube, B. C., Kort, E. A., Santoni, G. W., Bent, J. D.

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Interannual variability in the oxygen isotopes of atmospheric CO2 driven by El Niño von Welp, Lisa R., Keeling, Ralph F., Meijer, Harro A. J., Bollenbacher, Alane F., Piper, Stephen C., Yoshimura, Kei, Francey, Roger J., Allison, Colin E., Wahlen, Martin

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Intercomparison of O2 / N2 ratio scales among AIST, NIES, TU, and SIO based on a round-robin exercise using gravimetric standard mixtures von Aoki, Nobuyuki, Ishidoya, Shigeyuki, Tohjima, Yasunori, Morimoto, Shinji, Keeling, Ralph F, Cox, Adam, Takebayashi, Shuichiro, Murayama, Shohei

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The suitability of atmospheric oxygen measurements to constrain western European fossil-fuel CO2 emissions and their trends von Rödenbeck, Christian, Adcock, Karina E, Eritt, Markus, Gachkivskyi, Maksym, Gerbig, Christoph, Hammer, Samuel, Jordan, Armin, Keeling, Ralph F, Levin, Ingeborg, Maier, Fabian, Manning, Andrew C, Moossen, Heiko, Saqr Munassar, Pickers, Penelope A, Rothe, Michael, Tohjima, Yasunori, Zaehle, Sönke

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Global surface-ocean pCO2 and sea-air CO2 flux variability from an observation-driven ocean mixed-layer scheme von Rödenbeck, C, Keeling, R F, Bakker, D C. E, Metzl, N, Olsen, A, Sabine, C, Heimann, M

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Quantification of ocean heat uptake from changes in atmospheric O2 and CO2 composition von Resplandy, L., Keeling, R. F., Eddebbar, Y., Brooks, M., Wang, R., Bopp, L., Long, M. C., Dunne, J. P., Koeve, W., Oschlies, A.

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Airborne measurements of oxygen concentration from the surface to the lower stratosphere and pole to pole von Stephens, Britton B, Morgan, Eric J, Bent, Jonathan D, Keeling, Ralph F, Watt, Andrew S, Shertz, Stephen R, Daube, Bruce C

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