Toon, Geoffrey

Combined from CaltechAUTHORS

• Zeng, Zhao-Cheng and Natraj, Vijay, et el. (2018) Constraining Aerosol Vertical Profile in the Boundary Layer Using Hyperspectral Measurements of Oxygen Absorption; Geophysical Research Letters; Vol. 45; No. 19; 10772-10780; 10.1029/2018gl079286
• Borsdorff, Tobias and aan de Brugh, Joost, et el. (2018) Mapping carbon monoxide pollution from space down to city scales with daily global coverage; Atmospheric Measurement Techniques; Vol. 11; No. 10; 5507-5518; 10.5194/amt-11-5507-2018
• Hedelius, Jacob K. and Parker, Harrison, et el. (2017) Intercomparability of X_(CO_2) and X_(CH_4) from the United States TCCON sites; Atmospheric Measurement Techniques; Vol. 10; No. 4; 1481-1493; 10.5194/amt-10-1481-2017
• Wunch, Debra and Toon, Geoffrey C., et el. (2016) Quantifying the loss of processed natural gas within California's South Coast Air Basin using long-term measurements of ethane and methane; Atmospheric Chemistry and Physics; Vol. 16; No. 22; 14091-14105; 10.5194/acp-16-14091-2016
• Toon, Geoffrey C. and Blavier, Jean-Francois, et el. (2016) HITRAN spectroscopy evaluation using solar occultation FTIR spectra; Journal of Quantitative Spectroscopy and Radiative Transfer; Vol. 182; 324-336; 10.1016/j.jqsrt.2016.05.021
• Hedelius, Jacob K. and Viatte, Camille, et el. (2016) Assessment of errors and biases in retrievals of X_(CO2), X_(CH4), X_(CO), and X_(N2O) from a 0.5 cm^(-1) resolution solar-viewing spectrometer; Atmospheric Measurement Techniques; Vol. 9; No. 8; 3527-3546; 10.5194/amt-9-3527-2016
• Connor, Brian J. and Sherlock, Vanessa, et el. (2016) GFIT2: an experimental algorithm for vertical profile retrieval from near-IR spectra; Atmospheric Measurement Techniques; Vol. 9; No. 8; 3513-3525; 10.5194/amt-9-3513-2016
• Kiel, M. and Wunch, D., et el. (2016) Improved retrieval of gas abundances from near-infrared solar FTIR spectra measured at the Karlsruhe TCCON station; Atmospheric Measurement Techniques; Vol. 9; No. 2; 669-682; 10.5194/amt-9-669-2016
• Saad, K. M. and Wunch, D., et el. (2014) Derivation of tropospheric methane from TCCON CH₄ and HF total column observations; Atmospheric Measurement Techniques; Vol. 7; No. 9; 2907-2918; 10.5194/amt-7-2907-2014
• Hase, F. and Drouin, B. J., et el. (2013) Calibration of sealed HCl cells used for TCCON instrumental line shape monitoring; Atmospheric Measurement Techniques; Vol. 6; No. 12; 3527-3537; 10.5194/amt-6-3527-2013
• Wunch, D. and Wennberg, P. O., et el. (2013) The covariation of Northern Hemisphere summertime CO₂ with surface temperature in boreal regions; Atmospheric Chemistry and Physics; Vol. 13; No. 18; 9447-9459; 10.5194/acp-13-9447-2013
• Belikov, D. A. and Maksyutov, S., et el. (2013) Simulations of column-averaged CO_2 and CH_4 using the NIES TM with a hybrid sigma-isentropic (σ-θ) vertical coordinate; Atmospheric Chemistry and Physics; Vol. 13; No. 4; 1713-1732; 10.5194/acp-13-1713-2013
• Galli, A. and Butz, A., et el. (2012) CH_4, CO, and H_2O spectroscopy for the Sentinel-5 Precursor mission: an assessment with the Total Carbon Column Observing Network measurements; Atmospheric Measurement Techniques; Vol. 5; No. 6; 1387-1398; 10.5194/amt-5-1387-2012
• Keppel-Aleks, G. and Wennberg, P. O., et el. (2012) The imprint of surface fluxes and transport on variations in total column carbon dioxide; Biogeosciences; Vol. 9; No. 3; 875-891; 10.5194/bg-9-875-2012
• O'Dell, C. W. and Connor, B., et el. (2012) The ACOS CO_2 retrieval algorithm – Part 1: Description and validation against synthetic observations; Atmospheric Measurement Techniques; Vol. 5; No. 1; 99-121; 10.5194/amt-5-99-2012
• Mu, M. and Randerson, J. T., et el. (2011) Daily and 3‐hourly variability in global fire emissions and consequences for atmospheric model predictions of carbon monoxide; Journal of Geophysical Research D; Vol. 116; Art. No. D24303; 10.1029/2011JD016245
• Wunch, D. and Wennberg, P. O., et el. (2011) A method for evaluating bias in global measurements of CO_2 total columns from space; Atmospheric Chemistry and Physics; Vol. 11; No. 23; 12317-12337; 10.5194/acp-11-12317-2011
• Messerschmidt, J. and Geibel, M. C., et el. (2011) Calibration of TCCON column-averaged CO₂: the first aircraft campaign over European TCCON sites; Atmospheric Chemistry and Physics; Vol. 11; No. 21; 10765-10777; 10.5194/acp-11-10765-2011
• Frankenberg, Christian and Fisher, Joshua B., et el. (2011) New global observations of the terrestrial carbon cycle from GOSAT: Patterns of plant fluorescence with gross primary productivity; Geophysical Research Letters; Vol. 38; No. 17; Art. No. L17706; 10.1029/2011GL048738
• Morino, I. and Uchino, O., et el. (2011) Preliminary validation of column-averaged volume mixing ratios of carbon dioxide and methane retrieved from GOSAT short-wavelength infrared spectra; Atmospheric Measurement Techniques; Vol. 4; No. 6; 1061-1076; 10.5194/amt-4-1061-2011
• Wunch, Debra and Toon, Geoffrey C., et el. (2011) The Total Carbon Column Observing Network; Philosophical Transactions A: Mathematical, Physical and Engineering Sciences; Vol. 369; No. 1943; 2087-2112; 10.1098/rsta.2010.0240
• Paulot, F. and Wunch, D., et el. (2011) Importance of secondary sources in the atmospheric budgets of formic and acetic acids; Atmospheric Chemistry and Physics; Vol. 11; No. 5; 1989-2013; 10.5194/acp-11-1989-2011
• Frankenberg, C. and Butz, A., et el. (2011) Disentangling chlorophyll fluorescence from atmospheric scattering effects in O_2 A‐band spectra of reflected sun‐light; Geophysical Research Letters; Vol. 38; No. 3; Art. No. L03801; 10.1029/2010GL045896
• Wunch, D. and Toon, G. C., et el. (2010) Calibration of the Total Carbon Column Observing Network using aircraft profile data; Atmospheric Measurement Techniques; Vol. 3; No. 5; 1351-1362; 10.5194/amt-3-1351-2010
• Deutscher, N. M. and Griffith, D. W. T., et el. (2010) Total column CO_2 measurements at Darwin, Australia – site description and calibration against in situ aircraft profiles; Atmospheric Measurement Techniques; Vol. 3; No. 4; 947-958; 10.5194/amt-3-947-2010
• Tran, H. and Hartmann, J.-M., et el. (2010) The 2ν_3 band of CH_4 revisited with line mixing: Consequences for spectroscopy and atmospheric retrievals at 1.67 μm; Journal of Quantitative Spectroscopy and Radiative Transfer; Vol. 111; No. 10; 1344-1356; 10.1016/j.jqsrt.2010.02.015
• Notholt, J. and Toon, G. C., et el. (2010) Trend in ice moistening the stratosphere – constraints from isotope data of water and methane; Atmospheric Chemistry and Physics; Vol. 10; No. 1; 201-207; 10.5194/acp-10-201-2010
• Wunch, D. and Wennberg, P. O., et el. (2009) Emissions of greenhouse gases from a North American megacity; Geophysical Research Letters; Vol. 36; No. 15; L15810; 10.1029/2009GL039825
• Keppel-Aleka, Gretchen and Toon, Geoffrey C., et el. (2007) Reducing the impact of source brightness fluctuations on spectra obtained by Fourier-transform spectrometry; Applied Optics; Vol. 46; No. 21; 4774-4779; 10.1364/AO.46.004774
• Miller, C. E. and Crisp, D., et el. (2007) Precision requirements for space-based X_(CO_2) data; Journal of Geophysical Research D; Vol. 112; No. D10; Art. No. D10314; 10.1029/2006JD007659
• Bösch, H. and Toon, G. C., et el. (2006) Space-based near-infrared CO_2 measurements: Testing the Orbiting Carbon Observatory retrieval algorithm and validation concept using SCIAMACHY observations over Park Falls, Wisconsin; Journal of Geophysical Research D; Vol. 111; No. D23; Art. No. D23302; 10.1029/2006JD007080
• Washenfelder, R. A. and Toon, G. C., et el. (2006) Carbon dioxide column abundances at the Wisconsin Tall Tower site; Journal of Geophysical Research D; Vol. 111; No. D22; Art. No. D22305; 10.1029/2006JD007154
• Kleinböhl, Armin and Toon, Geoffrey C., et el. (2006) On the stratospheric chemistry of hydrogen cyanide; Geophysical Research Letters; Vol. 33; No. 11; Art. No. L11806; 10.1029/2006GL026015
• Kleinböhl, Armin and Toon, Geoffrey C., et el. (2005) Infrared measurements of atmospheric CH_3CN; Geophysical Research Letters; Vol. 32; No. 23; Art. No. L23807; 10.1029/2005GL024283
• Yang, Z. and Wennberg, P. O., et el. (2005) Ground-based photon path measurements from solar absorption spectra of the O_2 A-band; Journal of Quantitative Spectroscopy and Radiative Transfer; Vol. 90; No. 3-4; 309-321; 10.1016/j.jqsrt.2004.03.020
• Washenfelder, R. A. and Wennberg, P. O., et el. (2003) Tropospheric methane retrieved from ground-based near-IR solar absorption spectra; Geophysical Research Letters; Vol. 30; No. 23; Art. No. 2226; 10.1029/2003GL017969
• Notholt, J. and Kuang, Z., et el. (2003) Enhanced Upper Tropical Tropospheric COS: Impact on the Stratospheric Aerosol Layer; Science; Vol. 300; No. 5617; 307-310; 10.1126/science.1080320
• Kuang, Zhiming and Toon, Geoffrey C., et el. (2003) Measured HDO/H_2O ratios across the tropical tropopause; Geophysical Research Letters; Vol. 30; No. 7; Art. No. 1372; 10.1029/2003GL017023
• Irion, Fredrick W. and Gunson, Michael R., et el. (2002) Atmospheric Trace Molecule Spectroscopy (ATMOS) experiment version 3 data retrievals; Applied Optics; Vol. 41; No. 33; 6968-6979
• Northway, M. J. and Gao, R. S., et el. (2002) An analysis of large HNO_3-containing particles sampled in the Arctic stratosphere during the winter of 1999/2000; Journal of Geophysical Research. Atmospheres; Vol. 107; No. D20; Art. No. 8298; 10.1029/2001JD001079
• Salawitch, Ross J. and Wennberg, Paul O., et el. (2002) Near IR photolysis of HO_2NO_2: Implications for HO_x; Geophysical Research Letters; Vol. 29; No. 16; Art. No. 1762; 10.1029/2002GL015006
• Kuang, Zhiming and Margolis, Jack, et el. (2002) Spaceborne measurements of atmospheric CO_2 by high-resolution NIR spectrometry of reflected sunlight: An introductory study; Geophysical Research Letters; Vol. 29; No. 15; Art. No. 1716; 10.1029/2001GL014298
• Leung, Fok-Yan T. and Colussi, Agustín J., et el. (2002) Isotopic fractionation of carbonyl sulfide in the atmosphere: Implications for the source of background stratospheric sulfate aerosol; Geophysical Research Letters; Vol. 29; No. 10; Art. No. 1474; 10.1029/2001GL013955
• Christensen, L. E. and Okumura, M., et el. (2002) Kinetics of HO_2 + HO_2 → H_2O_2 + O_2: Implications for Stratospheric H_2O_2; Geophysical Research Letters; Vol. 29; No. 9; Art. No. 1299; 10.1029/2001GL014525
• Yang, Zhonghua and Toon, Geoffrey C., et el. (2002) Atmospheric CO_2 retrieved from ground-based near IR solar spectra; Geophysical Research Letters; Vol. 29; No. 9; Art. No. 53; 10.1029/2001GL014537
• Herman, R. L. and Scott, D. C., et el. (1998) Tropical entrainment time scales inferred from stratospheric N_2O and CH_4 observations; Geophysical Research Letters; Vol. 25; No. 15; 2781-2784; 10.1029/98GL02109
• Gunson, M. R. and Abbas, M. M., et el. (1996) The Atmospheric Trace Molecule Spectroscopy (ATMOS) experiment: Deployment on the ATLAS Space Shuttle missions; Geophysical Research Letters; Vol. 23; No. 17; 2333-2336; 10.1029/96GL01569
• Jaeglé, Lyatt and Yung, Yuk L., et el. (1996) Balloon observations of organic and inorganic chlorine in the stratosphere: The role of HClO_4 production on sulfate aerosol; Geophysical Research Letters; Vol. 23; No. 14; 1749-1752; 10.1029/96GL01543