Publications

132 publications

2021

Long, M. C., Stephens, B. B., McKain, K., Sweeney, C., Keeling, R. F., Kort, E. A., ... Wofsy, S. C. (2021). Strong Southern Ocean carbon uptake evident in airborne observations. Science, 374(6572), 1275-+. doi: 10.1126/science.abi4355
Lovenduski, N. S., Chatterjee, A., Swart, N. C., Fyfe, J. C., Keeling, R. F., & Schimel, D. (2021). On the Detection of COVID-Driven Changes in Atmospheric Carbon Dioxide. Geophysical Research Letters, 48(22), 8. doi: 10.1029/2021gl095396
Aoki, N., Ishidoya, S., Tohjima, Y., Morimoto, S., Keeling, R. F., Cox, A., ... Murayama, S. (2021). Intercomparison of O2/N2 ratio scales among AIST, NIES,<?xmltex \hack{\break}?> TU, and SIO based on a round-robin exercise using<?xmltex \hack{\break}?> gravimetric standard mixtures. Atmospheric Measurement Techniques, 14(9), 6181-6193. doi: 10.5194/amt-14-6181-2021
Morgan, E. J., Manizza, M., Keeling, R. F., Resplandy, L., Mikaloff-Fletcher, S. E., Nevison, C. D., ... Rodgers, K. B. (2021). An Atmospheric Constraint on the Seasonal Air-Sea Exchange of Oxygen and Heat in the Extratropics. Journal of Geophysical Research-Oceans, 126(8), 20. doi: 10.1029/2021jc017510
Yadav, V., Ghosh, S., Mueller, K., Karion, A., Roest, G., Gourdji, S. M., ... Whetstone, J. (2021). The impact of COVID-19 on CO2 emissions in the Los Angeles and Washington DC/Baltimore metropolitan areas. Geophysical Research Letters, 48(11). doi: 10.1029/2021gl092744
Wang, K., Wang, X. H., Piao, S. L., Chevallier, F., Mao, J. F., Shi, X. Y., ... Chen, A. P. (2021). Unusual characteristics of the carbon cycle during the 2015-2016 El Nino. Global Change Biology. doi: 10.1111/gcb.15669
Stephens, B. B., Morgan, E. J., Bent, J. D., Keeling, R. F., Watt, A. S., Shertz, S. R., & Daube, B. C. (2021). Airborne measurements of oxygen concentration from the surface to the lower stratosphere and pole to pole. Atmospheric Measurement Techniques, 14(3), 2543-2574. doi: 10.5194/amt-14-2543-2021
Keeling, R. F., Powell, F. L., Shaffer, G., Robbins, P. A., & Simonson, T. S. (2021). Impacts of changes in atmospheric O-2 on human physiology. Is there a basis for concern?. Frontiers in Physiology, 12(571137). doi: 10.3389/fphys.2021.571137
Birner, B., Paplawsky, W., Severinghaus, J., & Keeling, R. F. (2021). A method for resolving changes in atmospheric He / N-2 as an indicator of fossil fuel extraction and stratospheric circulation. Atmospheric Measurement Techniques, 14(3), 2515-2527. doi: 10.5194/amt-14-2515-2021
Jin, Y. M., Keeling, R. F., Morgan, E. J., Ray, E., Parazoo, N. C., & Stephens, B. B. (2021). A mass-weighted isentropic coordinate for mapping chemical tracers and computing atmospheric inventories. Atmospheric Chemistry and Physics, 21(1), 217-238. doi: 10.5194/acp-21-217-2021

2020

Graven, H., Keeling, R. F., & Rogelj, J. (2020). Changes to carbon isotopes in atmospheric CO2 over the industrial era and into the future. Global Biogeochemical Cycles, 34(11). doi: 10.1029/2019gb006170
Walker, A. P., De Kauwe, M. G., Bastos, A., Belmecheri, S., Georgiou, K., Keeling, R. F., ... Zuidema, P. A. (2020). Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO2. New Phytologist. doi: 10.1111/nph.16866
Rodenbeck, C., Zaehle, S., Keeling, R., & Heimann, M. (2020). The European carbon cycle response to heat and drought as seen from atmospheric CO(2)data for 1999-2018. Philosophical Transactions of the Royal Society B-Biological Sciences, 375(1810). doi: 10.1098/rstb.2019.0506
Birner, B., Chipperfield, M. P., Morgan, E. J., Stephens, B. B., Linz, M., Feng, W. H., ... Keeling, R. F. (2020). Gravitational separation of Ar/N-2 and age of air in the lowermost stratosphere in airborne observations and a chemical transport model. Atmospheric Chemistry and Physics, 20(21), 12391-12408. doi: 10.5194/acp-20-12391-2020
Wang, K., Wang, Y. L., Wang, X. H., He, Y., Li, X. Y., Keeling, R. F., ... Piao, S. L. (2020). Causes of slowing-down seasonal CO(2)amplitude at Mauna Loa. Global Change Biology, 26(8), 4462-4477. doi: 10.1111/gcb.15162
Nevison, C. D., Munro, D. R., Lovenduski, N. S., Keeling, R. F., Manizza, M., Morgan, E. J., & Rodenbeck, C. (2020). Southern Annular Mode influence on wintertime ventilation of the Southern Ocean detected in atmospheric O-2 and CO2 measurements. Geophysical Research Letters, 47(4). doi: 10.1029/2019gl085667

2019

Resplandy, L., Keeling, R. F., Eddebbar, Y., Brooks, M., Wang, R., Bopp, L., ... Oschlies, A. (2019). Quantification of ocean heat uptake from changes in atmospheric O-2 and CO2 composition. Scientific Reports, 9(20244). doi: 10.1038/s41598-019-56490-z
Asher, E., Hornbrook, R. S., Stephens, B. B., Kinnison, D., Morgan, E. J., Keeling, R. F., ... Apel, E. C. (2019). Novel approaches to improve estimates of short-lived halocarbon emissions during summer from the Southern Ocean using airborne observations. Atmospheric Chemistry and Physics, 19(22), 14071-14090. doi: 10.5194/acp-19-14071-2019
Morgan, E. J., Stephens, B. B., Long, M. C., Keeling, R. F., Bent, J. D., McKain, K., ... Kort, E. A. (2019). Summertime atmospheric boundary layer gradients of O-2 and CO2 over the Southern Ocean. Journal of Geophysical Research-Atmospheres. doi: 10.1029/2019jd031479
Wang, J. A., Sulla-Menashe, D., Woodcock, C. E., Sonnentag, O., Keeling, R. F., & Friedl, M. A. (2019). Extensive land cover change across Arctic-Boreal Northwestern North America from disturbance and climate forcing. Global Change Biology. doi: 10.1111/gcb.14804
Cui, Y. Y., Vijayan, A., Falk, M., Hsu, Y. K., Yin, D. Z., Chen, X. M., ... Croes, B. (2019). A multiplatform inversion estimation of statewide and regional methane emissions in California during 2014-2016. Environmental Science & Technology, 53(16), 9636-9645. doi: 10.1021/acs.est.9b01769
Eddebbar, Y. A., Rodgers, K. B., Long, M. C., Subramanian, A. C., Xie, S. P., & Keeling, R. F. (2019). El Nino-like physical and biogeochemical ocean response to tropical eruptions. Journal of Climate, 32(9), 2627-2649. doi: 10.1175/jcli-d-18-0458.1
Yadav, V., Duren, R., Mueller, K., Verhulst, K. R., Nehrkorn, T., Kim, J., ... Miller, C. (2019). Spatio-temporally resolved methane fluxes from the Los Angeles megacity. Journal of Geophysical Research-Atmospheres, 124(9), 5131-5148. doi: 10.1029/2018jd030062

2018

Le Quere, C., Andrew, R. M., Friedlingstein, P., Sitch, S., Hauck, J., Pongratz, J., ... Zheng, B. (2018). Global Carbon Budget 2018. Earth System Science Data, 10(4), 2141-2194. doi: 10.5194/essd-10-2141-2018
Rodenbeck, C., Zaehle, S., Keeling, R., & Heimann, M. (2018). History of El Nino impacts on the global carbon cycle 1957-2017: a quantification from atmospheric CO2 data. Philosophical Transactions of the Royal Society B-Biological Sciences, 373(1760). doi: 10.1098/rstb.2017.0303
Betts, R. A., Jones, C. D., Knight, J. R., Keeling, R. F., Kennedy, J. J., Wiltshire, A. J., ... Aragao, L. (2018). A successful prediction of the record CO2 rise associated with the 2015/2016 El Nino. Philosophical Transactions of the Royal Society B-Biological Sciences, 373(1760). doi: 10.1098/rstb.2017.0301
Resplandy, L., Keeling, R. F., Eddebbar, Y., Brooks, M. K., Wang, R., Bopp, L., ... Oschlies, A. (2018). Quantification of ocean heat uptake from changes in atmospheric O-2 and CO2 composition. Nature, 563(7729), 105-+. doi: 10.1038/s41586-018-0651-8
Nevison, C., Munro, D., Lovenduski, N., Cassar, N., Keeling, R., Krummel, P., & Tjiputra, J. (2018). Net community production in the Southern Ocean: Insights from comparing atmospheric potential oxygen to satellite ocean color algorithms and ocean models. Geophysical Research Letters, 45(19), 10549-10559. doi: 10.1029/2018gl079575
Wagner, T. J. W., Dell, R. W., Eisenman, I., Keeling, R. F., Padman, L., & Severinghaus, J. P. (2018). Wave inhibition by sea ice enables trans-Atlantic ice rafting of debris during Heinrich events. Earth and Planetary Science Letters, 495, 157-163. doi: 10.1016/j.epsl.2018.05.006
Resplandy, L., Keeling, R. F., Rodenbeck, C., Stephens, B. B., Khatiwala, S., Rodgers, K. B., ... Tans, P. P. (2018). Revision of global carbon fluxes based on a reassessment of oceanic and riverine carbon transport. Nature Geoscience, 11(7), 504-+. doi: 10.1038/s41561-018-0151-3
Graven, H., Fischer, M. L., Lueker, T., Jeong, S., Guilderson, T. P., Keeling, R. F., ... Walker, S. J. (2018). Assessing fossil fuel CO2 emissions in California using atmospheric observations and models. Environmental Research Letters, 13(6). doi: 10.1088/1748-9326/aabd43
Rodenbeck, C., Zaehle, S., Keeling, R., & Heimann, M. (2018). How does the terrestrial carbon exchange respond to inter-annual climatic variations? A quantification based on atmospheric CO2 data. Biogeosciences, 15(8), 2481-2498. doi: 10.5194/bg-15-2481-2018
Le Quere, C., Andrew, R. M., Friedlingstein, P., Sitch, S., Pongratz, J., Manning, A. C., ... Zhu, D. (2018). Global Carbon Budget 2017. Earth System Science Data, 10(1), 405-448. doi: 10.5194/essd-10-405-2018
Stephens, B. B., Long, M. C., Keeling, R. F., Kort, E. A., Sweeney, C., Apel, E. C., ... Watt, A. S. (2018). The O-2/N-2 Ratio and CO2 Airborne Southern Ocean Study. Bulletin of the American Meteorological Society, 99(2), 381-402. doi: 10.1175/bams-d-16-0206.1

2017

Graven, H., Allison, C. E., Etheridge, D. M., Hammer, S., Keeling, R. F., Levin, I., ... White, J. W. C. (2017). Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6. Geoscientific Model Development, 10(12), 4405-4417. doi: 10.5194/gmd-10-4405-2017
Keeling, R. F., Graven, H. D., Welp, L. R., Resplandy, L., Bi, J., Piper, S. C., ... Meijer, H. A. J. (2017). Atmospheric evidence for a global secular increase in carbon isotopic discrimination of land photosynthesis. Proceedings of the National Academy of Sciences of the United States of America, 114(39), 10361-10366. doi: 10.1073/pnas.1619240114
Verhulst, K. R., Karion, A., Kim, J., Salameh, P. K., Keeling, R. F., Newman, S., ... Miller, C. E. (2017). Carbon dioxide and methane measurements from the Los Angeles Megacity Carbon Project - Part 1: calibration, urban enhancements, and uncertainty estimates. Atmospheric Chemistry and Physics, 17(13), 8313-8341. doi: 10.5194/acp-17-8313-2017
Eddebbar, Y. A., Long, M. C., Resplandy, L., Rödenbeck, C., Rodgers, K. B., Manizza, M., & Keeling, R. F. (2017). Impacts of ENSO on air-sea oxygen exchange: Observations and mechanisms. Global Biogeochemical Cycles. doi: 10.1002/2017GB005630
Fischer, M. L., Parazoo, N., Brophy, K., Cui, X. G., Jeong, S., Liu, J. J., ... Graven, H. (2017). Simulating estimation of California fossil fuel and biosphere carbon dioxide exchanges combining in situ tower and satellite column observations. Journal of Geophysical Research-Atmospheres, 122(6), 3653-3671. doi: 10.1002/2016jd025617

2016

Jeong, S. G., Newman, S., Zhang, J. S., Andrews, A. E., Bianco, L., Bagley, J., ... Fischer, M. L. (2016). Estimating methane emissions in California's urban and rural regions using multitower observations. Journal of Geophysical Research-Atmospheres, 121(21), 13031-13049. doi: 10.1002/2016jd025404
Le Quere, C., Andrew, R. M., Canadell, J. G., Sitch, S., Korsbakken, J. I., Peters, G. P., ... Zaehle, S. (2016). Global Carbon Budget 2016. Earth System Science Data, 8(2), 605-649. doi: 10.5194/essd-8-605-2016
Resplandy, L., Keeling, R. F., Stephens, B. B., Bent, J. D., Jacobson, A., Rodenbeck, C., & Khatiwala, S. (2016). Constraints on oceanic meridional heat transport from combined measurements of oxygen and carbon. Climate Dynamics, 47(9-10), 3335-3357. doi: 10.1007/s00382-016-3029-3
Welp, L. R., Patra, P. K., Rodenbeck, C., Nemani, R., Bi, J., Piper, S. C., & Keeling, R. F. (2016). Increasing summer net CO2 uptake in high northern ecosystems inferred from atmospheric inversions and comparisons to remote-sensing NDVI. Atmospheric Chemistry and Physics, 16(14), 9047-9066. doi: 10.5194/acp-16-9047-2016
Newman, S., Xu, X. M., Gurney, K. R., Hsu, Y. K., Li, K. F., Jiang, X., ... Yung, Y. L. (2016). Toward consistency between trends in bottom-up CO2 emissions and top-down atmospheric measurements in the Los Angeles megacity. Atmospheric Chemistry and Physics, 16(6), 3843-3863.
Nevison, C. D., Manizza, M., Keeling, R. F., Stephens, B. B., Bent, J. D., Dunne, J., ... Yukimoto, S. (2016). Evaluating CMIP5 ocean biogeochemistry and Southern Ocean carbon uptake using atmospheric potential oxygen: Present-day performance and future projection. Geophysical Research Letters, 43(5), 2077-2085. doi: 10.1002/2015gl067584
Petrenko, V. V., Severinghaus, J. P., Schaefer, H., Smith, A. M., Kuhl, T., Baggenstos, D., ... Weiss, R. F. (2016). Measurements of 14C in ancient ice from Taylor Glacier, Antarctica constrain in situ cosmogenic 14CH4 and 14CO production rates. Geochimica et Cosmochimica Acta, 177, 62-77. doi: 10.1016/j.gca.2016.01.004
Forkel, M., Carvalhais, N., Rodenbeck, C., Keeling, R., Heimann, M., Thonicke, K., ... Reichstein, M. (2016). Enhanced seasonal CO2 exchange caused by amplified plant productivity in northern ecosystems. Science, 351(6274), 696-699. doi: 10.1126/science.aac4971

2015

Rafelski, L. E., Paplawsky, B., & Keeling, R. F. (2015). Continuous measurements of dissolved O-2 and oxygen isotopes in the Southern California coastal ocean. Marine Chemistry, 174, 94-102. doi: 10.1016/j.marchem.2015.05.011
Lucas, D. D., Yver Kwok, C., Cameron-Smith, P., Graven, H., Bergmann, D., Guilderson, T. P., ... Keeling, R. (2015). Designing optimal greenhouse gas observing networks that consider performance and cost. Geosci. Instrum. Method. Data Syst., 4(1), 121-137. doi: 10.5194/gi-4-121-2015
Le Quere, C., Moriarty, R., Andrew, R. M., Peters, G. P., Ciais, P., Friedlingstein, P., ... Zeng, N. (2015). Global carbon budget 2014. Earth System Science Data, 7(1), 47-85. doi: 10.5194/essd-7-47-2015
Le Quere, C., Moriarty, R., Andrew, R. M., Canadell, J. G., Sitch, S., Korsbakken, J. I., ... Zeng, N. (2015). Global Carbon Budget 2015. Earth System Science Data, 7(2), 349-396. doi: 10.5194/essd-7-349-2015

2014

Rodenbeck, C., Bakker, D. C. E., Metzl, N., Olsen, A., Sabine, C., Cassar, N., ... Heimann, M. (2014). Interannual sea-air CO2 flux variability from an observation-driven ocean mixed-layer scheme. Biogeosciences, 11(17), 4599-4613. doi: 10.5194/bg-11-4599-2014
Rodgers, K. B., Aumont, O., Fletcher, S. E. M., Plancherel, Y., Bopp, L., Montegut, C. D., ... Wanninkhof, R. (2014). Strong sensitivity of Southern Ocean carbon uptake and nutrient cycling to wind stirring. Biogeosciences, 11(15), 4077-4098. doi: 10.5194/bg-11-4077-2014
Le Quere, C., Peters, G. P., Andres, R. J., Andrew, R. M., Boden, T. A., Ciais, P., ... Zaehle, S. (2014). Global carbon budget 2013. Earth System Science Data, 6(1), 235-263. doi: 10.5194/essd-6-235-2014
Nottrott, A., Kleissl, J., & Keeling, R. (2014). Modeling passive scalar dispersion in the atmospheric boundary layer with WRF large-eddy simulation. Atmospheric Environment, 82, 172-182. doi: 10.1016/j.atmosenv.2013.10.026

2013

Graven, H. D., Keeling, R. F., Piper, S. C., Patra, P. K., Stephens, B. B., Wofsy, S. C., ... Bent, J. D. (2013). Enhanced seasonal exchange of CO2 by northern ecosystems since 1960. Science, 341(6150), 1085-1089. doi: 10.1126/science.1239207
Welp, L. R., Keeling, R. F., Weiss, R. F., Paplawsky, W., & Heckman, S. (2013). Design and performance of a Nafion dryer for continuous operation at CO2 and CH4 air monitoring sites. Atmos. Meas. Tech., 6(5), 1217-1226. doi: 10.5194/amt-6-1217-2013
Miller, J., Lehman, S., Wolak, C., Turnbull, J., Dunn, G., Graven, H., ... Kondo, M. (2013). Initial results of an intercomparison of ams-based atmospheric (co2)-c-14 measurements. Radiocarbon, 55(2-3), 1475-1483. doi: 10.2458/azu_js_rc.55.16382
Rodenbeck, C., Keeling, R. F., Bakker, D. C. E., Metz, N., Olsen, A., Sabine, C., & Heimann, M. (2013). Global surface-ocean p(CO2) and sea-air CO2 flux variability from an observation-driven ocean mixed-layer scheme. Ocean Science, 9(2), 193-216. doi: 10.5194/os-9-193-2013
Rafelski, L. E., Paplawsky, B., & Keeling, R. F. (2013). An Equilibrator System to Measure Dissolved Oxygen and Its Isotopes. Journal of Atmospheric and Oceanic Technology, 30(2), 361-377. doi: 10.1175/jtech-d-12-00074.1
Yver, C. E., Graven, H. D., Lucas, D. D., Cameron-Smith, P. J., Keeling, R. F., & Weiss, R. F. (2013). Evaluating transport in the WRF model along the California coast. Atmospheric Chemistry and Physics, 13(4), 1837-1852. doi: 10.5194/acp-13-1837-2013

2012

Nevison, C. D., Keeling, R. F., Kahru, M., Manizza, M., Mitchell, B. G., & Cassar, N. (2012). Estimating net community production in the Southern Ocean based on atmospheric potential oxygen and satellite ocean color data. Global Biogeochemical Cycles, 26(Gb1020). doi: 10.1029/2011gb004040
Graven, H. D., Guilderson, T. P., & Keeling, R. F. (2012). Observations of radiocarbon in CO2 at La Jolla, California, USA 1992-2007: Analysis of the long-term trend. Journal of Geophysical Research-Atmospheres, 117(D02302). doi: 10.1029/2011jd016533
Graven, H. D., Guilderson, T. P., & Keeling, R. F. (2012). Observations of radiocarbon in CO2 at seven global sampling sites in the Scripps flask network: Analysis of spatial gradients and seasonal cycles. Journal of Geophysical Research-Atmospheres, 117(D02303). doi: 10.1029/2011jd016535
Graven, H. D., Xu, X., Guilderson, T. P., Keeling, R. F., Trumbore, S. E., & Tyler, S. (2012). Comparison of independent delta(co2)-c-14 records at Point Barrow, Alaska. Radiocarbon, 55(2-3), 1541-1545. doi: 10.2458/azu_js_rc.55.16220
Tanhua, T., & Keeling, R. F. (2012). Changes in column inventories of carbon and oxygen in the Atlantic Ocean. Biogeosciences, 9(11), 4819-4833. doi: 10.5194/bg-9-4819-2012
Manizza, M., Keeling, R. F., & Nevison, C. D. (2012). On the processes controlling the seasonal cycles of the air-sea fluxes of O2 and N2O: A modelling study. Tellus Series B-Chemical and Physical Meteorology, 64(18429). doi: 10.3402/tellusb.v64i0.18429

2011

Welp, L. R., Keeling, R. F., Meijer, H. A. J., Bollenbacher, A. F., Piper, S. C., Yoshimura, K., ... Wahlen, M. (2011). Interannual variability in the oxygen isotopes of atmospheric CO2 driven by El Nino. Nature, 477(7366), 579-582. doi: 10.1038/nature10421
Keeling, R. F., & Visbeck, M. (2011). On the linkage between Antarctic surface water stratification and global deep-water temperature. Journal of Climate, 24(14), 3545-3557. doi: 10.1175/2011jcli3642.1
Keeling, R. F., Manning, A. C., & Dubey, M. K. (2011). The atmospheric signature of carbon capture and storage. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 369(1943), 2113-2132. doi: 10.1098/rsta.2011.0016
Manning, A. C., Nisbet, E. G., Keeling, R. F., & Liss, P. S. (2011). Greenhouse gases in the Earth system: setting the agenda to 2030. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences, 369(1943), 1885-1890. doi: 10.1098/rsta.2011.0076
Keeling, C. D., Piper, S. C., Whorf, T. P., & Keeling, R. F. (2011). Evolution of natural and anthropogenic fluxes of atmospheric CO2 from 1957 to 2003. Tellus Series B-Chemical and Physical Meteorology, 63(1), 1-22. doi: 10.1111/j.1600-0889.2010.00507.x

2010

Manning, M. R., Edmonds, J., Emori, S., Grubler, A., Hibbard, K., Joos, F., ... van Vuuren, D. P. (2010). Misrepresentation of the IPCC CO2 emission scenarios. Nature Geoscience, 3(6), 376-377. doi: 10.1038/ngeo880
Keeling, R. F., Kortzinger, A., & Gruber, N. (2010). Ocean deoxygenation in a warming world. Annual Review of Marine Science (pp. 199-229). Palo Alto: Annual Reviews. doi: 10.1146/annurev.marine.010908.163855

2009

Keeling, R. F. (2009). Triage in the greenhouse. Nature Geoscience, 2(12), 820-822. doi: 10.1038/ngeo701
Rafelski, L. E., Piper, S. C., & Keeling, R. F. (2009). Climate effects on atmospheric carbon dioxide over the last century. Tellus Series B-Chemical and Physical Meteorology, 61(5), 718-731. doi: 10.1111/j.1600-0889.2009.00439.x
Graven, H. D., Stephens, B. B., Guilderson, T. P., Campos, T. L., Schimel, D. S., Campbell, J. E., & Keeling, R. F. (2009). Vertical profiles of biospheric and fossil fuel-derived CO2 and fossil fuel CO2: CO ratios from airborne measurements of Δ14C, CO2 and CO above Colorado, USA. Tellus Series B-Chemical and Physical Meteorology, 61(3), 536-546. doi: 10.1111/j.1600-0889.2009.00421.x
Sundquist, E. T., & Keeling, R. F. (2009). The Mauna Loa carbon dioxide record: lessons for long-term earth observations. Carbon sequestration and its role in the global carbon cycle (pp. 27-35). Washington, DC: American Geophysical Union.
Reid, P. C., Fischer, A. C., Lewis-Brown, E., Meredith, M. P., Sparrow, M., Andersson, A. J., ... Washington, R. (2009). Impacts of the Oceans on Climate Change. Advances in Marine Biology (pp. 1-150). San Diego: Elsevier Academic Press Inc. doi: 10.1016/s0065-2881(09)56001-4

2008

Hamme, R. C., & Keeling, R. F. (2008). Ocean ventilation as a driver of interannual variability in atmospheric potential oxygen. Tellus Series B-Chemical and Physical Meteorology, 60(5), 706-717. doi: 10.1111/j.1600-0889.2008.00376.x
Rodenbeck, C., Le Quere, C., Heimann, M., & Keeling, R. F. (2008). Interannual variability in oceanic biogeochemical processes inferred by inversion of atmospheric O2/N2 and CO2 data. Tellus Series B-Chemical and Physical Meteorology, 60(5), 685-705. doi: 10.1111/j.1600-0889.2008.00375.x
Keeling, R. F. (2008). Atmospheric science - Recording Earth's vital signs. Science, 319(5871), 1771-1772. doi: 10.1126/science.1156761

2007

Rahmstorf, S., Cazenave, A., Church, J. A., Hansen, J. E., Keeling, R. F., Parker, D. E., & Somerville, R. C. J. (2007). Recent climate observations compared to projections. Science, 316(5825), 709-709. doi: 10.1126/science.1136843
Keeling, R. F., Manning, A. C., Paplawsky, W. J., & Cox, A. C. (2007). On the long-term stability of reference gases for atmospheric O2/N2 and CO2 measurements. Tellus Series B-Chemical and Physical Meteorology, 59(1), 3-14. doi: 10.1111/j.1600-0889.2006.00228.x
Graven, H. D., Guilderson, T. P., & Keeling, R. F. (2007). Methods for high-precision 14C AMS measurement of atmospheric CO2 at LLNL. Radiocarbon, 49(2), 349-356.

2006

Keeling, R. F., Blaine, T., Paplawsky, B., Katz, L., Atwood, C., & Brockwell, T. (2006). Measurement of changes in atmospheric Ar/N2 ratio using a rapid-switching, single-capillary mass spectrometer system (vol 56B, pg 322, 2006). Tellus Series B-Chemical and Physical Meteorology, 58(3), 255-255. doi: 10.1111/j.1600-0889.2006.00190.x
Manning, A. C., & Keeling, R. F. (2006). Global oceanic and land biotic carbon sinks from the Scripps atmospheric oxygen flask sampling network. Tellus Series B-Chemical and Physical Meteorology, 58(2), 95-116. doi: 10.1111/j.1600-0889.2006.00175.x
Blaine, T. W., Keeling, R. F., & Paplawsky, W. J. (2006). An improved inlet for precisely measuring the atmospheric Ar/N2 ratio. Atmospheric Chemistry and Physics, 6, 1181-1184.
Battle, M., Fletcher, S. E. M., Bender, M. L., Keeling, R. F., Manning, A. C., Gruber, N., ... Paplawsky, B. (2006). Atmospheric potential oxygen: New observations and their implications for some atmospheric and oceanic models. Global Biogeochemical Cycles, 20(1). doi: 10.1029/2005gb002534
Adachi, Y., Kawamura, K., Armi, L., & Keeling, R. F. (2006). Diffusive separation of the lower atmosphere. Science (Washington), 311(5766), 1429-1429. doi: 10.1126/science.1121312

2005

Keeling, R. F., & Visbeck, M. (2005). Northern ice discharges and Antarctic warming: could ocean eddies provide the link?. Quaternary Science Reviews, 24(16-17), 1809-1820. doi: 10.1016/j.quascirev.2005.04.005
Nevison, C. D., Keeling, R. F., Weiss, R. F., Popp, B. N., Jin, X., Fraser, P. J., ... Hess, P. G. (2005). Southern Ocean ventilation inferred from seasonal cycles of atmospheric N2O and O2/N2 at Cape Grim, Tasmania. Tellus Series B-Chemical and Physical Meteorology, 57(3), 218-229. doi: 10.1111/j.1600-0889.2005.00143.x
Keeling, R. F. (2005). Comment on "The ocean sink for anthropogenic CO2". Science, 308(5729). doi: 10.1126/science.1109620

2004

Keeling, R. F., Blaine, T., Paplawsky, B., Katz, L., Atwood, C., & Brockwell, T. (2004). Measurement of changes in atmospheric Ar/N2 ratio using a rapid-switching, single-capillary mass spectrometer system. Tellus Series B-Chemical and Physical Meteorology, 56(4), 322-338. doi: 10.1111/j.1600-0889.2004.00117.x

2003

Stephens, B. B., Keeling, R. F., & Paplawsky, W. J. (2003). Shipboard measurements of atmospheric oxygen using a vacuum-ultraviolet absorption technique. Tellus Series B-Chemical and Physical Meteorology, 55(4), 857-878. doi: 10.1046/j.1435-6935.2003.00075.x
Battle, M., Bender, M., Hendricks, M. B., Ho, D. T., Mika, R., McKinley, G., ... Keeling, R. F. (2003). Measurements and models of the atmospheric Ar/N2 ratio. Geophysical Research Letters, 30(15). doi: 10.1029/2003gl017411
Le Quere, C., Aumont, O., Bopp, L., Bousquet, P., Ciais, P., Francey, R., ... Rayner, P. J. (2003). Two decades of ocean CO2 sink and variability. Tellus Series B-Chemical and Physical Meteorology, 55(2), 649-656. doi: 10.1034/j.1600-0889.2003.00043.x
Lueker, T. J., Walker, S. J., Vollmer, M. K., Keeling, R. F., Nevison, C. D., Weiss, R. F., & Garcia, H. E. (2003). Coastal upwelling air-sea fluxes revealed in atmospheric observations of O2/N2, CO2 and N2O. Geophysical Research Letters, 30(6). doi: 10.1029/2002gl016615
Manning, A. C., Keeling, R. F., Katz, L. E., Paplawsky, W. J., & McEvoy, E. M. (2003). Interpreting the seasonal cycles of atmospheric oxygen and carbon dioxide concentrations at American Samoa Observatory. Geophysical Research Letters, 30(6). doi: 10.1029/2001gl014312

2002

Perks, H. M., Charles, C. D., & Keeling, R. F. (2002). Precessionally forced productivity variations across the equatorial Pacific. Paleoceanography, 17(3). doi: 10.1029/2000pa000603
Keeling, R. F. (2002). On the freshwater forcing of the thermohaline circulation in the limit of low diapycnal mixing. Journal of Geophysical Research-Oceans, 107(C7). doi: 10.1029/2000jc000685
Keeling, R. F., & Garcia, H. E. (2002). The change in oceanic O2 inventory associated with recent global warming. Proceedings of the National Academy of Sciences of the United States of America, 99(12), 7848-7853. doi: 10.1073/pnas.122154899

2001

Garcia, H. E., & Keeling, R. F. (2001). On the global oxygen anomaly and air-sea flux. Journal of Geophysical Research-Oceans, 106(C12), 31155-31166. doi: 10.1029/1999jc000200
Keeling, R. F., & Visbeck, M. (2001). Palaeoceanography - Antarctic stratification and glacial CO2. Nature, 412(6847), 605-606. doi: 10.1038/35088129
Keeling, R. F., & Stephens, B. B. (2001). Antarctic sea ice and the control of Pleistocene climate instability (vol 16, pg 112, 2001). Paleoceanography, 16(3), 330-334. doi: 10.1029/2001pa000648
Lueker, T. J., Keeling, R. F., & Dubey, M. K. (2001). The oxygen to carbon dioxide ratios observed in emissions from a wildfire in Northern California. Geophysical Research Letters, 28(12), 2413-2416. doi: 10.1029/2000gl011860
Keeling, R. F., & Stephens, B. B. (2001). Antarctic sea ice and the control of Pleistocene climate instability. Paleoceanography, 16(1), 112-131, 330-334. doi: 10.1029/2000pa000529

2000

Najjar, R. G., & Keeling, R. F. (2000). Mean annual cycle of the air-sea oxygen flux: A global view. Global Biogeochemical Cycles, 14(2), 573-584. doi: 10.1029/1999gb900086
Stephens, B. B., & Keeling, R. F. (2000). The influence of Antarctic sea ice on glacial-interglacial CO2 variations. Nature, 404(6774), 171-174. doi: 10.1038/35004556
Keeling, R. F., & Severinghaus, J. P. (2000). Atmospheric oxygen measurements and the carbon cycle. The carbon cycle (Global Change Insititute, Proceedings on the Carbon Cycle) (pp. 134-140). New York: Cambridge University Press.
Stephens, B. B., Wofsy, S. C., Keeling, R. F., & Tans, P. P. (2000). The CO2 budget and rectification airborne study. Inverse methods in global biogeochemical cycles (pp. 311-324). Washington, DC: American Geophysical Union.

1999

Manning, A. C., Keeling, R. F., & Severinghaus, J. P. (1999). Precise atmospheric oxygen measurements with a paramagnetic oxygen analyzer. Global Biogeochemical Cycles, 13(4), 1107-1115. doi: 10.1029/1999gb900054
Langenfelds, R. L., Francey, R. J., Steele, L. P., Battle, M., Keeling, R. F., & Budd, W. F. (1999). Partitioning of the global fossil CO2 sink using a 19-year trend in atmospheric O2. Geophysical Research Letters, 26(13), 1897-1900. doi: 10.1029/1999gl900446

1998

Stephens, B. B., Keeling, R. F., Heimann, M., Six, K. D., Murnane, R., & Caldeira, K. (1998). Testing global ocean carbon cycle models using measurements of atmospheric O2 and CO2 concentration. Global Biogeochemical Cycles, 12(2), 213-230. doi: 10.1029/97gb03500
Staudigel, H., Albarede, F., Blichert-Toft, J., Edmond, J., McDonough, B., Jacobsen, S. B., ... White, W. (1998). Geochemical Earth Reference Model (GERM): description of the initiative. Chemical Geology, 145(3-4), 153-159. doi: 10.1016/S0009-2541(97)00141-1
Keeling, R. F., Stephens, B. B., Najjar, R. G., Doney, S. C., Archer, D., & Heimann, M. (1998). Seasonal variations in the atmospheric O2/N2 ratio in relation to the kinetics of air-sea gas exchange. Global Biogeochemical Cycles, 12(1), 141-163. doi: 10.1029/97gb02339
Perks, H. M., & Keeling, R. F. (1998). A 400 kyr record of combustion oxygen demand in the western equatorial Pacific: Evidence for a precessionally forced climate response. Paleoceanography, 13(1), 63-69. doi: 10.1029/97pa02892
Keeling, R. F., Manning, A. C., McEvoy, E. M., & Shertz, S. R. (1998). Methods for measuring changes in atmospheric O2 concentration and their application in southern hemisphere air. Journal of Geophysical Research-Atmospheres, 103(D3), 3381-3397. doi: 10.1029/97jd02537
Bender, M. L., Battle, M., & Keeling, R. F. (1998). The O2 balance of the atmosphere: A tool for studying the fate of fossil-fuel CO2. Annual Review of Energy and the Environment, 23, 207-223. doi: 10.1146/annurev.energy.23.1.207

1997

Severinghaus, J. P., Keeling, R. F., Miller, B. R., Weiss, R. F., Deck, B., & Broecker, W. S. (1997). Feasibility of using sand dunes as archives of old air. Journal of Geophysical Research-Atmospheres, 102(D14), 16783-16792. doi: 10.1029/97jd00525
Najjar, R. G., & Keeling, R. F. (1997). Analysis of the mean annual cycle of the dissolved oxygen anomaly in the World Ocean. Journal of Marine Research, 55(1), 117-151. doi: 10.1357/0022240973224481

1996

Keeling, R. F., Piper, S. C., & Heimann, M. (1996). Global and hemispheric CO2 sinks deduced from changes in atmospheric O2 concentration. Nature, 381(6579), 218-221. doi: 10.1038/381218a0
Severinghaus, J. P., Bender, M. L., Keeling, R. F., & Broecker, W. S. (1996). Fractionation of soil gases by diffusion of water vapor, gravitational settling, and thermal diffusion. Geochimica Et Cosmochimica Acta, 60(6), 1005-1018. doi: 10.1016/0016-7037(96)00011-7

1995

Keeling, R. F., & Peng, T. H. (1995). Transport of heat, CO2 and O2 by the Atlantic's thermohaline circulation. Philosophical Transactions of the Royal Society of London Series B-Biological Sciences, 348(1324), 133-142. doi: 10.1098/rstb.1995.0055
Keeling, R. F. (1995). The atmospheric oxygen cycle: the oxygen isotopes of atmospheric CO2 and O2 and the O2/N2 ratio. Reviews of Geophysics, 33, 1253-1262. doi: 10.1029/95rg00438

1993

Tans, P. P., Berry, J. A., & Keeling, R. F. (1993). Oceanic 13C/12C observations: A new window on ocean CO2 uptake. Global Biogeochemical Cycles, 7(2), 353-368. doi: 10.1029/93gb00053
Keeling, R. F. (1993). On the role of large bubbles in air-sea gas exchange and supersaturation in the ocean. Journal of Marine Research, 51(2), 237-271. doi: 10.1357/0022240933223800
Keeling, R. F., Najjar, R. P., Bender, M. L., & Tans, P. P. (1993). What atmospheric oxygen measurements can tell us about the global carbon cycle. Global Biogeochemical Cycles, 7(1), 37-67. doi: 10.1029/92gb02733
Volk, T., & Keeling, R. (1993). Summary of workshop on interannual variations in the carbon cycle. The Global carbon cycle (pp. 579-581). Berlin; New York: Springer-Verlag.

1992

Keeling, R. F., & Shertz, S. R. (1992). Seasonal and interannual variations in atmospheric oxygen and implications for the global carbon cycle. Nature, 358(6389), 723-727. doi: 10.1038/358723a0

1991

Keeling, R. F. (1991). Mechanisms for stabilization and destabilization of a simple biosphere: catastrophe on Daisyworld. Scientists on Gaia (pp. 118-120). Cambridge, Mass.: MIT Press.

1988

Keeling, R. F. (1988). Measuring correlations between atmospheric oxygen and carbon dioxide mole fractions: A preliminary study in urban air. Journal of Atmospheric Chemistry, 7(2), 153-176. doi: 10.1007/bf00048044