A portable nitrogen dioxide instrument using cavity-enhanced absorption spectroscopy by S. A. Bailey, R. A. Hannun, A. K. Swanson, A. K. Swanson, T. F. Hanisco

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Injection Seeded Laser for Formaldehyde Differential Fluorescence Lidar by Schwemmer G., Yakshin M., Prasad C., Hanisco T., Mylapore A. R., Hwang I.H., Lee S.

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A new airborne laser-induced fluorescence instrument for in situ detection of formaldehyde throughout the troposphere and lower stratosphere by M. Cazorla, G. M. Wolfe, S. A. Bailey, A. K. Swanson, H. L. Arkinson, T. F. Hanisco

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CAFE: a new, improved nonresonant laser-induced fluorescence instrument for airborne in situ measurement of formaldehyde by J. M. St. Clair, J. M. St. Clair, A. K. Swanson, A. K. Swanson, S. A. Bailey, T. F. Hanisco

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Investigation of a potential HCHO measurement artifact from ISOPOOH by J. M. St. Clair, J. C. Rivera-Rios, J. D. Crounse, E. Praske, M. J. Kim, G. M. Wolfe, F. N. Keutsch, P. O. Wennberg, T. F. Hanisco

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A cavity-enhanced ultraviolet absorption instrument for high-precision, fast-time-response ozone measurements by R. A. Hannun, R. A. Hannun, A. K. Swanson, A. K. Swanson, S. A. Bailey, T. F. Hanisco, T. P. Bui, I. Bourgeois, I. Bourgeois, J. Peischl, J. Peischl, T. B. Ryerson

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A laser-induced fluorescence instrument for aircraft measurements of sulfur dioxide in the upper troposphere and lower stratosphere by A. W. Rollins, T. D. Thornberry, S. J. Ciciora, R. J. McLaughlin, L. A. Watts, T. F. Hanisco, E. Baumann, F. R. Giorgetta, T. V. Bui, D. W. Fahey, R.-S. Gao

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A new laser-based and ultra-portable gas sensor for indoor and outdoor formaldehyde (HCHO) monitoring by J. D. Shutter, N. T. Allen, T. F. Hanisco, G. M. Wolfe, G. M. Wolfe, J. M. St. Clair, J. M. St. Clair, F. N. Keutsch, F. N. Keutsch, F. N. Keutsch

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A new non-resonant laser-induced fluorescence instrument for the airborne in situ measurement of formaldehyde by J. M. St. Clair, J. M. St. Clair, A. K. Swanson, A. K. Swanson, S. A. Bailey, G. M. Wolfe, G. M. Wolfe, J. E. Marrero, L. T. Iraci, J. G. Hagopian, J. G. Hagopian, T. F. Hanisco

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Tropospheric and Surface Nitrogen Dioxide Changes in the Greater Toronto Area during the First Two Years of the COVID-19 Pandemic by Xiaoyi Zhao, Vitali Fioletov, Ramina Alwarda, Yushan Su, Debora Griffin, Dan Weaver, Kimberly Strong, Alexander Cede, Thomas Hanisco, Martin Tiefengraber, Chris McLinden, Henk Eskes, Jonathan Davies, Akira Ogyu, Reno Sit, Ihab Abboud, Sum Chi Lee

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First-time comparison between NO₂ vertical columns from Geostationary Environmental Monitoring Spectrometer (GEMS) and Pandora measurements by S. Kim, D. Kim, H. Hong, L.-S. Chang, H. Lee, D.-R. Kim, D. Kim, J.-A. Yu, D. Lee, U. Jeong, C.-K. Song, S.-W. Kim, S. S. Park, J. Kim, T. F. Hanisco, J. Park, W. Choi, K. Lee

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Reassessing the ratio of glyoxal to formaldehyde as an indicator of hydrocarbon precursor speciation by J. Kaiser, G. M. Wolfe, K. E. Min, S. S. Brown, C. C. Miller, D. J. Jacob, J. A. deGouw, M. Graus, T. F. Hanisco, J. Holloway, J. Peischl, I. B. Pollack, T. B. Ryerson, C. Warneke, R. A. Washenfelder, F. N. Keutsch

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Formation of large (≃100 μm) ice crystals near the tropical tropopause by M. J. Alexander, O. B. Toon, J. A. Smith, J. M. St. Clair, D. S. Sayres, T. F. Hanisco, E. J. Moyer, J. B. Smith, E. M. Weinstock, D. Baumgardner, Q. Mo, B. Baker, P. Lawson, T. V. Bui, L. Pfister, E. J. Jensen

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Source and variability of formaldehyde (HCHO) at northern high latitudes: an integrated satellite, aircraft, and model study by T. Zhao, J. Mao, W. R. Simpson, I. De Smedt, L. Zhu, T. F. Hanisco, G. M. Wolfe, J. M. St. Clair, J. M. St. Clair, G. González Abad, C. R. Nowlan, B. Barletta, S. Meinardi, D. R. Blake, E. C. Apel, R. S. Hornbrook

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Extreme Altitudes of Stratospheric Hydration by Midlatitude Convection Observed During the DCOTSS Field Campaign by Cameron R. Homeyer, Jessica B. Smith, Kristopher M. Bedka, Kenneth P. Bowman, David M. Wilmouth, Rei Ueyama, Jonathan M. Dean‐Day, Jason M. St. Clair, Reem Hannun, Jennifer Hare, Apoorva Pandey, David S. Sayres, Thomas F. Hanisco, Andrea E. Gordon, Emily N. Tinney

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Spatial heterogeneity in CO2, CH4, and energy fluxes: insights from airborne eddy covariance measurements over the Mid-Atlantic region by Reem A Hannun, Glenn M Wolfe, S Randy Kawa, Thomas F Hanisco, Paul A Newman, Joseph G Alfieri, John Barrick, Kenneth L Clark, Joshua P DiGangi, Glenn S Diskin, John King, William P Kustas, Bhaskar Mitra, Asko Noormets, John B Nowak, K Lee Thornhill, Rodrigo Vargas

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The NASA Carbon Airborne Flux Experiment (CARAFE): instrumentation and methodology by G. M. Wolfe, G. M. Wolfe, S. R. Kawa, T. F. Hanisco, R. A. Hannun, R. A. Hannun, P. A. Newman, A. Swanson, A. Swanson, S. Bailey, J. Barrick, K. L. Thornhill, G. Diskin, J. DiGangi, J. B. Nowak, C. Sorenson, G. Bland, J. K. Yungel, C. A. Swenson

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Airborne observations of upper troposphere and lower stratosphere composition change in active convection producing above-anvil cirrus plumes by A. E. Gordon, C. R. Homeyer, J. B. Smith, R. Ueyama, J. M. Dean-Day, E. L. Atlas, K. Smith, J. V. Pittman, D. S. Sayres, D. M. Wilmouth, A. Pandey, J. M. St. Clair, J. M. St. Clair, T. F. Hanisco, J. Hare, R. A. Hannun, S. Wofsy, B. C. Daube, S. Donnelly

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An extensive database of airborne trace gas and meteorological observations from the Alpha Jet Atmospheric eXperiment (AJAX) by E. L. Yates, E. L. Yates, L. T. Iraci, S. S. Kulawik, S. S. Kulawik, J.-M. Ryoo, J.-M. Ryoo, J. E. Marrero, J. E. Marrero, C. L. Parworth, C. L. Parworth, J. M. St. Clair, J. M. St. Clair, T. F. Hanisco, T. P. V. Bui, C. S. Chang, C. S. Chang, J. M. Dean-Day, J. M. Dean-Day

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Validation of satellite formaldehyde (HCHO) retrievals using observations from 12 aircraft campaigns by L. Zhu, L. Zhu, G. González Abad, C. R. Nowlan, C. Chan Miller, K. Chance, E. C. Apel, J. P. DiGangi, A. Fried, T. F. Hanisco, R. S. Hornbrook, L. Hu, J. Kaiser, J. Kaiser, F. N. Keutsch, F. N. Keutsch, F. N. Keutsch, W. Permar, J. M. St. Clair, J. M. St. Clair, G. M. Wolfe, G. M. Wolfe

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