Project Funding: 2004 - 2012

Funded by NASA

Abstract:
Daylight measurements of CO₂, CH₄, and CO column mean mixing ratios calibrated against in situ profiles of CO₂.

Publications:

Keppel-Aleks, G., Randerson, J. T., Lindsay, K., Stephens, B. B., Keith Moore, J., Doney, S. C., Thornton, P. E., Mahowald, N. M., Hoffman, F. M., Sweeney, C., Tans, P. P., Wennberg, P. O., Wofsy, S. C. 2013. Atmospheric Carbon Dioxide Variability in the Community Earth System Model: Evaluation and Transient Dynamics during the Twentieth and Twenty-First Centuries. Journal of Climate. 26(13), 4447-4475. DOI: 10.1175/JCLI-D-12-00589.1

Kuai, L., Worden, J., Kulawik, S., Bowman, K., Lee, M., Biraud, S. C., Abshire, J. B., Wofsy, S. C., Natraj, V., Frankenberg, C., Wunch, D., Connor, B., Miller, C., Roehl, C., Shia, R., Yung, Y. 2013. Profiling tropospheric CO<sub>2</sub> using Aura TES and TCCON instruments. Atmospheric Measurement Techniques. 6(1), 63-79. DOI: 10.5194/amt-6-63-2013

Messerschmidt, J., Parazoo, N., Wunch, D., Deutscher, N. M., Roehl, C., Warneke, T., Wennberg, P. O. 2013. Evaluation of seasonal atmosphere-biosphere exchange estimations with TCCON measurements. Atmospheric Chemistry and Physics. 13(10), 5103-5115. DOI: 10.5194/acp-13-5103-2013

Newman, S., Jeong, S., Fischer, M. L., Xu, X., Haman, C. L., Lefer, B., Alvarez, S., Rappenglueck, B., Kort, E. A., Andrews, A. E., Peischl, J., Gurney, K. R., Miller, C. E., Yung, Y. L. 2013. Diurnal tracking of anthropogenic CO<sub>2</sub> emissions in the Los Angeles basin megacity during spring 2010. Atmospheric Chemistry and Physics. 13(8), 4359-4372. DOI: 10.5194/acp-13-4359-2013

Keppel-Aleks, G., Wennberg, P. O., Washenfelder, R. A., Wunch, D., Schneider, T., Toon, G. C., Andres, R. J., Blavier, J., Connor, B., Davis, K. J., Desai, A. R., Messerschmidt, J., Notholt, J., Roehl, C. M., Sherlock, V., Stephens, B. B., Vay, S. A., Wofsy, S. C. 2012. The imprint of surface fluxes and transport on variations in total column carbon dioxide. Biogeosciences. 9(3), 875-891. DOI: 10.5194/bg-9-875-2012

Kuai, L., Wunch, D., Shia, R., Connor, B., Miller, C., Yung, Y. 2012. Vertically constrained CO2 retrievals from TCCON measurements. Journal of Quantitative Spectroscopy and Radiative Transfer. 113(14), 1753-1761. DOI: 10.1016/j.jqsrt.2012.04.024

Miller, C. E., Wunch, D. 2012. Fourier transform spectrometer remote sensing of O2 A-band electric quadrupole transitions. Journal of Quantitative Spectroscopy and Radiative Transfer. 113(11), 1043-1050. DOI: 10.1016/j.jqsrt.2012.01.002

Wennberg, P. O., Mui, W., Wunch, D., Kort, E. A., Blake, D. R., Atlas, E. L., Santoni, G. W., Wofsy, S. C., Diskin, G. S., Jeong, S., Fischer, M. L. 2012. On the Sources of Methane to the Los Angeles Atmosphere. Environmental Science & Technology. 46(17), 9282-9289. DOI: 10.1021/es301138y

Chevallier, F., Deutscher, N. M., Conway, T. J., Ciais, P., Ciattaglia, L., Dohe, S., Frohlich, M., Gomez-Pelaez, A. J., Griffith, D., Hase, F., Haszpra, L., Krummel, P., Kyro, E., Labuschagne, C., Langenfelds, R., Machida, T., Maignan, F., Matsueda, H., Morino, I., Notholt, J., Ramonet, M., Sawa, Y., Schmidt, M., Sherlock, V., Steele, P., Strong, K., Sussmann, R., Wennberg, P., Wofsy, S., Worthy, D., Wunch, D., Zimnoch, M. 2011. Global CO2fluxes inferred from surface air-sample measurements and from TCCON retrievals of the CO2total column. Geophysical Research Letters. 38(24). DOI: 10.1029/2011GL049899

Keppel-Aleks, G., Wennberg, P. O., Schneider, T. 2011. Sources of variations in total column carbon dioxide. Atmospheric Chemistry and Physics. 11(8), 3581-3593. DOI: 10.5194/acp-11-3581-2011

Wunch, D., Toon, G. C., Blavier, J. L., Washenfelder, R. A., Notholt, J., Connor, B. J., Griffith, D. W. T., Sherlock, V., Wennberg, P. O. 2011. The Total Carbon Column Observing Network. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 369(1943), 2087-2112. DOI: 10.1098/rsta.2010.0240

Wunch, D., Wennberg, P. O., Toon, G. C., Connor, B. J., Fisher, B., Osterman, G. B., Frankenberg, C., Mandrake, L., O'Dell, C., Ahonen, P., Biraud, S. C., Castano, R., Cressie, N., Crisp, D., Deutscher, N. M., Eldering, A., Fisher, M. L., Griffith, D. W. T., Gunson, M., Heikkinen, P., Keppel-Aleks, G., Kyro, E., Lindenmaier, R., Macatangay, R., Mendonca, J., Messerschmidt, J., Miller, C. E., Morino, I., Notholt, J., Oyafuso, F. A., Rettinger, M., Robinson, J., Roehl, C. M., Salawitch, R. J., Sherlock, V., Strong, K., Sussmann, R., Tanaka, T., Thompson, D. R., Uchino, O., Warneke, T., Wofsy, S. C. 2011. A method for evaluating bias in global measurements of CO<sub>2</sub> total columns from space. Atmospheric Chemistry and Physics. 11(23), 12317-12337. DOI: 10.5194/acp-11-12317-2011

Wunch, D., Toon, G. C., Wennberg, P. O., Wofsy, S. C., Stephens, B. B., Fischer, M. L., Uchino, O., Abshire, J. B., Bernath, P., Biraud, S. C., Blavier, J. L., Boone, C., Bowman, K. P., Browell, E. V., Campos, T., Connor, B. J., Daube, B. C., Deutscher, N. M., Diao, M., Elkins, J. W., Gerbig, C., Gottlieb, E., Griffith, D. W. T., Hurst, D. F., Jimenez, R., Keppel-Aleks, G., Kort, E. A., Macatangay, R., Machida, T., Matsueda, H., Moore, F., Morino, I., Park, S., Robinson, J., Roehl, C. M., Sawa, Y., Sherlock, V., Sweeney, C., Tanaka, T., Zondlo, M. A. 2010. Calibration of the Total Carbon Column Observing Network using aircraft profile data. Atmospheric Measurement Techniques. 3(5), 1351-1362. DOI: 10.5194/amt-3-1351-2010

Toon, G. C., J.-F. L. Blavier, R. A. Washenfelder, D. Wunch, G. Keppel-Aleks, P. O. Wennberg, B. J. Connor, V. Sherlock, D. W. T. Griffith, N. M. Deutscher, and J. Notholt (2009), Total Column Carbon Observing Network (TCCON), in Fourier Transform Spectroscopy, pp. 4-7, Optical Society of America.

Wunch, D., Wennberg, P. O., Toon, G. C., Keppel-Aleks, G., Yavin, Y. G. 2009. Emissions of greenhouse gases from a North American megacity. Geophysical Research Letters. 36(15). DOI: 10.1029/2009GL039825

Keppel-Aleks, G., Toon, G. C., Wennberg, P. O., Deutscher, N. M. 2007. Reducing the impact of source brightness fluctuations on spectra obtained by Fourier-transform spectrometry. Applied Optics. 46(21), 4774. DOI: 10.1364/AO.46.004774

Yang, Z., Washenfelder, R. A., Keppel-Aleks, G., Krakauer, N. Y., Randerson, J. T., Tans, P. P., Sweeney, C., Wennberg, P. O. 2007. New constraints on Northern Hemisphere growing season net flux. Geophysical Research Letters. 34(12). DOI: 10.1029/2007GL029742

Washenfelder, R. A., Toon, G. C., Blavier, J., Yang, Z., Allen, N. T., Wennberg, P. O., Vay, S. A., Matross, D. M., Daube, B. C. 2006. Carbon dioxide column abundances at the Wisconsin Tall Tower site. Journal of Geophysical Research. 111(D22). DOI: 10.1029/2006JD007154

2015 NASA Carbon Cycle & Ecosystems Joint Science Workshop Poster(s)

• Using Atmospheric Column Measurements to Estimate the Impact of Climate Variables on CO2 Uptake by the Biosphere   --   (Debra Wunch, Paul Wennberg, William Simpson, Geoffrey C. Toon, Nick Parazoo, Arlyn Elizabeth Andrews, Dylan Jones, Coleen Marie Roehl, Kimberly Strong, Ray Nassar)   [abstract]

More details may be found in the following project profile(s):

• North American Carbon Program (NACP) Project Profile