Search Results - "Andrews, A E"

High accuracy measurements of dry mole fractions of carbon dioxide and methane in humid air by Rella, C. W, Chen, H, Andrews, A. E, Filges, A, Gerbig, C, Hatakka, J, Karion, A, Miles, N. L, Richardson, S. J, Steinbacher, M, Sweeney, C, Wastine, B, Zellweger, C

“…Traditional techniques for measuring the mole fractions of greenhouse gases in the well-mixed atmosphere have required dry sample gas streams (dew point < −25…”
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Constraining the CO2 budget of the corn belt: exploring uncertainties from the assumptions in a mesoscale inverse system by Lauvaux, T, Schuh, A E, Uliasz, M, Richardson, S, Miles, N, Andrews, A E, Sweeney, C, Diaz, L I, Martins, D, Shepson, P B, Davis, K J

“…We performed an atmospheric inversion of the CO2 fluxes over Iowa and the surrounding states, from June to December 2007, at 20 km resolution and weekly…”
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Diurnal tracking of anthropogenic CO2 emissions in the Los Angeles basin megacity during spring 2010 by 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

“…Attributing observed CO2 variations to human or natural cause is critical to deducing and tracking emissions from observations. We have used in situ CO2 , CO,…”
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CO2, CO, and CH4 measurements from tall towers in the NOAA Earth System Research Laboratory's Global Greenhouse Gas Reference Network: instrumentation, uncertainty analysis, and recommendations for future high-accuracy greenhouse gas monitoring efforts by Andrews, A E, Kofler, J D, Trudeau, M E, Williams, J C, Neff, D H, Masarie, K A, Chao, D Y, Kitzis, D R, Novelli, P C, Zhao, C L, Dlugokencky, E J, Lang, P M, Crotwell, M J, Fischer, M L, Parker, M J, Lee, J T, Baumann, D D, Desai, A R, Stanier, C O, De Wekker, S F. J, Wolfe, D E, Munger, J W, Tans, P P

“…A reliable and precise in situ CO2 and CO analysis system has been developed and deployed at eight sites in the NOAA Earth System Research Laboratory's (ESRL)…”
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A near-field tool for simulating the upstream influence of atmospheric observations: The Stochastic Time-Inverted Lagrangian Transport (STILT) model by Lin, J. C., Gerbig, C., Wofsy, S. C., Andrews, A. E., Daube, B. C., Davis, K. J., Grainger, C. A.

“…We introduce a tool to determine surface fluxes from atmospheric concentration data in the midst of distributed sources or sinks over land, the Stochastic…”
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Airborne and ground-based observations of a weekend effect in ozone, precursors, and oxidation products in the California South Coast Air Basin by Pollack, I. B., Ryerson, T. B., Trainer, M., Parrish, D. D., Andrews, A. E., Atlas, E. L., Blake, D. R., Brown, S. S., Commane, R., Daube, B. C., de Gouw, J. A., Dubé, W. P., Flynn, J., Frost, G. J., Gilman, J. B., Grossberg, N., Holloway, J. S., Kofler, J., Kort, E. A., Kuster, W. C., Lang, P. M., Lefer, B., Lueb, R. A., Neuman, J. A., Nowak, J. B., Novelli, P. C., Peischl, J., Perring, A. E., Roberts, J. M., Santoni, G., Schwarz, J. P., Spackman, J. R., Wagner, N. L., Warneke, C., Washenfelder, R. A., Wofsy, S. C., Xiang, B.

“…Airborne and ground‐based measurements during the CalNex (California Research at the Nexus of Air Quality and Climate Change) field study in May/June 2010 show…”
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Regional sources of nitrous oxide over the United States: Seasonal variation and spatial distribution by Miller, S. M., Kort, E. A., Hirsch, A. I., Dlugokencky, E. J., Andrews, A. E., Xu, X., Tian, H., Nehrkorn, T., Eluszkiewicz, J., Michalak, A. M., Wofsy, S. C.

“…This paper presents top‐down constraints on the magnitude, spatial distribution, and seasonality of nitrous oxide (N2O) emissions over the central United…”
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Biases in atmospheric CO2 estimates from correlated meteorology modeling errors by Miller, S M, Hayek, M N, Andrews, A E, Fung, I, Liu, J

“…Estimates of CO2 fluxes that are based on atmospheric measurements rely upon a meteorology model to simulate atmospheric transport. These models provide a…”
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Validation of XCO2 derived from SWIR spectra of GOSAT TANSO-FTS with aircraft measurement data by Inoue, M, Morino, I, Uchino, O, Miyamoto, Y, Yoshida, Y, Yokota, T, Machida, T, Sawa, Y, Matsueda, H, Sweeney, C, Tans, P P, Andrews, A E, Biraud, S C, Tanaka, T, Kawakami, S, Patra, P K

“…Column-averaged dry air mole fractions of carbon dioxide (XCO2 ) retrieved from Greenhouse gases Observing SATellite (GOSAT) Short-Wavelength InfraRed (SWIR)…”
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Evaluation of MOPITT retrievals of lower-tropospheric carbon monoxide over the United States by Deeter, M. N., Worden, H. M., Edwards, D. P., Gille, J. C., Andrews, A. E.

“…The new Version 5 MOPITT (Measurements of Pollution in the Troposphere) product for carbon monoxide (CO) is the first satellite product to exploit simultaneous…”
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A regional high-resolution carbon flux inversion of North America for 2004 by Schuh, A. E., Denning, A. S., Corbin, K. D., Baker, I. T., Uliasz, M., Parazoo, N., Andrews, A. E., Worthy, D. E. J.

“…Resolving the discrepancies between NEE estimates based upon (1) ground studies and (2) atmospheric inversion results, demands increasingly sophisticated…”
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North American CO2 exchange: inter-comparison of modeled estimates with results from a fine-scale atmospheric inversion by Gourdji, S M, Mueller, K L, Yadav, V, Huntzinger, D N, Andrews, A E, Trudeau, M, Petron, G, Nehrkorn, T, Eluszkiewicz, J, Hender son, J, Wen, D, Lin, J, Fischer, M, Sweeney, C, Michalak, A M

“…Atmospheric inversion models have the potential to quantify CO2 fluxes at regional, sub-continental scales by taking advantage of near-surface CO2 mixing ratio…”
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The 2010 California Research at the Nexus of Air Quality and Climate Change (CalNex) field study by Ryerson, T. B., Andrews, A. E., Angevine, W. M., Bates, T. S., Brock, C. A., Cairns, B., Cohen, R. C., Cooper, O. R., de Gouw, J. A., Fehsenfeld, F. C., Ferrare, R. A., Fischer, M. L., Flagan, R. C., Goldstein, A. H., Hair, J. W., Hardesty, R. M., Hostetler, C. A., Jimenez, J. L., Langford, A. O., McCauley, E., McKeen, S. A., Molina, L. T., Nenes, A., Oltmans, S. J., Parrish, D. D., Pederson, J. R., Pierce, R. B., Prather, K., Quinn, P. K., Seinfeld, J. H., Senff, C. J., Sorooshian, A., Stutz, J., Surratt, J. D., Trainer, M., Volkamer, R., Williams, E. J., Wofsy, S. C.

“…The California Research at the Nexus of Air Quality and Climate Change (CalNex) field study was conducted throughout California in May, June, and July of 2010…”
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Quantifying sources of methane using light alkanes in the Los Angeles basin, California by Peischl, J., Ryerson, T. B., Brioude, J., Aikin, K. C., Andrews, A. E., Atlas, E., Blake, D., Daube, B. C., de Gouw, J. A., Dlugokencky, E., Frost, G. J., Gentner, D. R., Gilman, J. B., Goldstein, A. H., Harley, R. A., Holloway, J. S., Kofler, J., Kuster, W. C., Lang, P. M., Novelli, P. C., Santoni, G. W., Trainer, M., Wofsy, S. C., Parrish, D. D.

“…Methane (CH4), carbon dioxide (CO2), carbon monoxide (CO), and C2–C5 alkanes were measured throughout the Los Angeles (L.A.) basin in May and June 2010. We use…”
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Regional-scale geostatistical inverse modeling of North American CO2 fluxes: a synthetic data study by Gourdji, S M, Hirsch, A I, Mueller, K L, Yadav, V, Andrews, A E, Michalak, A M

“…A series of synthetic data experiments is performed to investigate the ability of a regional atmospheric inversion to estimate grid-scale CO2 fluxes during the…”
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Airborne observations of methane emissions from rice cultivation in the Sacramento Valley of California by Peischl, J., Ryerson, T. B., Holloway, J. S., Trainer, M., Andrews, A. E., Atlas, E. L., Blake, D. R., Daube, B. C., Dlugokencky, E. J., Fischer, M. L., Goldstein, A. H., Guha, A., Karl, T., Kofler, J., Kosciuch, E., Misztal, P. K., Perring, A. E., Pollack, I. B., Santoni, G. W., Schwarz, J. P., Spackman, J. R., Wofsy, S. C., Parrish, D. D.

“…Airborne measurements of methane (CH4) and carbon dioxide (CO2) were taken over the rice growing region of California's Sacramento Valley in the late spring of…”
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Atmospheric column-averaged mole fractions of carbon dioxide at 53 aircraft measurement sites by Miyamoto, Y, Inoue, M, Morino, I, Uchino, O, Yokota, T, Machida, T, Sawa, Y, Matsueda, H, Sweeney, C, Tans, P. P, Andrews, A. E, Patra, P. K

“…Atmospheric column-averaged mole fractions of carbon dioxide (XCO2) at 53 locations around the world were derived from aircraft measurements covering the…”
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Toward constraining regional-scale fluxes of CO2 with atmospheric observations over a continent: 2. Analysis of COBRA data using a receptor-oriented framework by Gerbig, C., Lin, J. C., Wofsy, S. C., Daube, B. C., Andrews, A. E., Stephens, B. B., Bakwin, P. S., Grainger, C. A.

“…We present an analysis framework and illustrate its potential to constrain terrestrial carbon fluxes at the regional scale using observations of CO2 and CO…”
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Corrigendum to "Atmospheric column-averaged mole fractions of carbon dioxide at 53 aircraft measurement sites" published in Atmos. Chem. Phys. 13, 5265–5275, 2013 by Miyamoto, Y, Inoue, M, Morino, I, Uchino, O, Yokota, T, Machida, T, Sawa, Y, Matsueda, H, Sweeney, C, Tans, P. P, Andrews, A. E, Biraud, S. C, Patra, P. K

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Toward constraining regional-scale fluxes of CO2 with atmospheric observations over a continent: 1. Observed spatial variability from airborne platforms by Gerbig, C., Lin, J. C., Wofsy, S. C., Daube, B. C., Andrews, A. E., Stephens, B. B., Bakwin, P. S., Grainger, C. A.

“…We analyze the spatial variability of CO2 measurements from aircraft platforms, including extensive observations acquired over North America during the CO2…”
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