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    Academic Journals

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• A comparison of carbon monoxide retrievals between the MOPITT satellite and Canadian high-Arctic ground-based NDACC and TCCON FTIR measurements.

  Authors:Ali Jalali, Kaley A. Walker, Kimberly Strong, Rebecca R. Buchholz, Merritt N. Deeter, Debra Wunch, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 22) Peer-Reviewed

  Nov. 24, 2022567 words Article Measurements of Pollution In The Troposphere (MOPITT) is an instrument on NASA's Terra satellite that has measured tropospheric carbon monoxide (CO) from early 2000 to the present day. Validation of data from satellite...

• Sixteen years of MOPITT satellite data strongly constrain Amazon CO fire emissions.

  Authors:Stijn Naus, Lucas G. Domingues, Maarten Krol, Ingrid T. Luijkx, Luciana V. Gatti, John B. Miller, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 22) Peer-Reviewed

  Nov. 21, 2022314 words Brief article Despite the consensus on the overall downward trend in Amazon forest loss in the previous decade, estimates of yearly carbon emissions from deforestation still vary widely. Estimated carbon emissions are currently often...

• TROPESS/CrIS carbon monoxide profile validation with NOAA GML and ATom in situ aircraft observations.

  Authors:Helen M. Worden, Gene L. Francis, Susan S. Kulawik, Kevin W. Bowman, Karen Cady-Pereira, Dejian Fu, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 18) Peer-Reviewed

  Sept. 22, 2022344 words Brief article The new single-pixel TROPESS (TRopospheric Ozone and its Precursors from Earth System Sounding) profile retrievals of carbon monoxide (CO) from the Cross-track Infrared Sounder (CrIS) are evaluated using vertical...

• Validation of MOPITT carbon monoxide using ground-based Fourier transform infrared spectrometer data from NDACC

  Authors:Rebecca R. Buchholz, Merritt N. Deeter, Helen M. Worden, John Gille, David P. Edwards, James W. Hannigan, et al.From:Atmospheric Measurement Techniques (Vol. 10, Issue 5) Peer-Reviewed

  June 1, 2017345 words Author abstract, Bri... The Measurements of Pollution in the Troposphere (MOPITT) satellite instrument provides the longest continuous dataset of carbon monoxide (CO) from space. We perform the first validation of MOPITT version 6 retrievals...

• Forward Model and Jacobians for Tropospheric Emission Spectrometer retrievals

  Authors:Shepard A. Clough, Mark W. Shephard, John Worden, Patrick D. Brown, Helen M. Worden, Mingzhao Luo, et al.From:IEEE Transactions on Geoscience and Remote Sensing (Vol. 44, Issue 5) Peer-Reviewed

  May 2006212 words Author abstract 60L

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• High Resolution Tropospheric Carbon Monoxide Profiles Retrieved from CrIS and TROPOMI

  Authors:Dejian Fu, Kevin W. Bowman, Helen M. Worden, Vijay Natraj, John R. Worden, Shanshan Yu, et al.From:Atmospheric Measurement Techniques (Vol. 2016) Peer-Reviewed

  Jan. 21, 2016368 words Brief article The Measurements of Pollution in the Troposphere (MOPITT) instrument is the only satellite-borne sensor in operation that uses both thermal (TIR) and near infrared (NIR) channels to estimate CO profiles. With more than...

• Interpreting space-based trends in carbon monoxide with multiple models

  Authors:Sarah A. Strode, Helen M. Worden, Megan Damon, Anne R. Douglass, Bryan N. Duncan, Louisa K. Emmons, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 11) Peer-Reviewed

  June 10, 2016257 words Brief article We use a series of chemical transport model and chemistry climate model simulations to investigate the observed negative trends in MOPITT CO over several regions of the world, and to examine the consistency of...

• Assessing sub-grid variability within satellite pixels over urban regions using airborne mapping spectrometer measurements.

  Authors:Wenfu Tang, David P. Edwards, Louisa K. Emmons, Helen M. Worden, Laura M. Judd, Lok N. Lamsal, et al.From:Atmospheric Measurement Techniques (Vol. 14, Issue 6) Peer-Reviewed

  June 23, 2021477 words Article Sub-grid variability (SGV) in atmospheric trace gases within satellite pixels is a key issue in satellite design and interpretation and validation of retrieval products. However, characterizing this variability is...

• Evaluation of MOPITT Version 7 joint TIR-NIR X.sub.CO retrievals with TCCON

  Authors:Jacob K. Hedelius, Tai-Long He, Dylan B. A. Jones, Bianca C. Baier, Rebecca R. Buchholz, Martine De Maziere, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 10) Peer-Reviewed

  Oct. 21, 201934 words Brief article, Techn... Byline: To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• New constraints on biogenic emissions using satellite-based estimates of carbon monoxide fluxes.

  Authors:Helen M. Worden, A. Anthony Bloom, John R. Worden, Zhe Jiang, Eloise A. Marais, Trissevgeni Stavrakou, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 21) Peer-Reviewed

  Nov. 8, 2019313 words Brief article

  Biogenic non-methane volatile organic compounds (NMVOCs) emitted from vegetation are a primary source for the chemical production of carbon monoxide (CO) in the atmosphere, and these biogenic emissions account for...

• Validation and error estimation of AIRS MUSES CO profiles with HIPPO, ATom, and NOAA GML aircraft observations.

  Authors:Jennifer D. Hegarty, Karen E. Cady-Pereira, Vivienne H. Payne, Susan S. Kulawik, John R. Worden, Valentin Kantchev, et al.From:Atmospheric Measurement Techniques (Vol. 15, Issue 1) Peer-Reviewed

  Jan. 17, 2022458 words Article Single-footprint retrievals of carbon monoxide from the Atmospheric Infrared Sounder (AIRS) are evaluated using aircraft in situ observations. The aircraft data are from the HIAPER Pole-to-Pole Observations (HIPPO,...

• Instrument line-shape modeling and correction for off-axis detectors in Fourier-transform spectrometry

  Authors:Kevin W. Bowman, Helen M. Worden, and Reinhard BeerFrom:Applied Optics (Vol. 39, Issue 21) Peer-Reviewed

  July 20, 2000129 words Article

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• The CHRONOS mission: capability for sub-hourly synoptic observations of carbon monoxide and methane to quantify emissions and transport of air pollution

  Authors:David P. Edwards, Helen M. Worden, Doreen Neil, Gene Francis, Tim Valle, and Avelino F. Arellano Jr.From:Atmospheric Measurement Techniques (Vol. 11, Issue 2) Peer-Reviewed

  Feb. 23, 201850 words Author abstract, Bri... Byline: David P. Edwards, Helen M. Worden, Doreen Neil, Gene Francis, Tim Valle, Avelino F. Arellano Jr. To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Assessing Measurements of Pollution in the Troposphere (MOPITT) carbon monoxide retrievals over urban versus non-urban regions

  Authors:Wenfu Tang, Helen M. Worden, Merritt N. Deeter, David P. Edwards, Louisa K. Emmons, Sara Martinez-Alonso, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 3) Peer-Reviewed

  Mar. 23, 2020527 words Brief article The Measurements of Pollution in the Troposphere (MOPITT) retrievals over urban regions have not been validated systematically, even though MOPITT observations are widely used to study CO over urban regions. Here we...

• High-resolution tropospheric carbon monoxide profiles retrieved from CrIS and TROPOMI

  Authors:Dejian Fu, Kevin W. Bowman, Helen M. Worden, Vijay Natraj, John R. Worden, Shanshan Yu, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 6) Peer-Reviewed

  June 10, 2016350 words Brief article The Measurements of Pollution in the Troposphere (MOPITT) instrument is the only satellite-borne sensor in operation that uses both thermal (TIR) and near-infrared (NIR) channels to estimate CO profiles. With more than...

• A joint data record of tropospheric ozone from Aura-TES and MetOp-IASI

  Authors:Hilke Oetjen, Vivienne H. Payne, Jessica L. Neu, Susan S. Kulawik, David P. Edwards, Annmarie Eldering, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 15) Peer-Reviewed

  Aug. 12, 2016218 words Brief article The Tropospheric Emission Spectrometer (TES) on Aura and Infrared Atmospheric Sounding Interferometer (IASI) on MetOp-A together provide a time series of 10 years of free-tropospheric ozone with an overlap of...

• Radiance-based retrieval bias mitigation for the MOPITT instrument: the version 8 product

  Authors:Merritt N. Deeter, David P. Edwards, Gene L. Francis, John C. Gille, Debbie Mao, Sara Martinez-Alonso, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 8) Peer-Reviewed

  Aug. 28, 2019337 words Brief article

  The MOPITT (Measurements of Pollution in the Troposphere) satellite instrument has been making nearly continuous observations of atmospheric carbon monoxide (CO) since 2000. Satellite observations of CO are routinely...

• Global atmospheric carbon monoxide budget 2000-2017 inferred from multi-species atmospheric inversions

  Authors:Bo Zheng, Frederic Chevallier, Yi Yin, Philippe Ciais, Audrey Fortems-Cheiney, Merritt N. Deeter, et al.From:Earth System Science Data (Vol. 11, Issue 3) Peer-Reviewed

  Sept. 18, 2019436 words Author abstract, Bri...

  Atmospheric carbon monoxide (CO) concentrations have been decreasing since 2000, as observed by both satellite- and ground-based instruments, but global bottom-up emission inventories estimate increasing...

• Quantification of CO emissions from the city of Madrid using MOPITT satellite retrievals and WRF simulations

  Authors:Iris N. Dekker, Sander Houweling, Ilse Aben, Maarten Krol, Merritt N. Deeter, and Helen M. WordenFrom:Atmospheric Chemistry and Physics (Vol. 17, Issue 23) Peer-Reviewed

  Dec. 11, 2017337 words Brief article 970LThe growth of mega-cities leads to air quality problems directly affecting the citizens. Satellite measurements are becoming of higher quality and quantity, which leads to more accurate satellite retrievals of enhanced...

• Correcting model biases of CO in East Asia: impact on oxidant distributions during KORUS-AQ.

  Authors:Benjamin Gaubert, Louisa K. Emmons, Kevin Raeder, Simone Tilmes, Kazuyuki Miyazaki, Avelino F. Arellano Jr., et al.From:Atmospheric Chemistry and Physics (Vol. 20, Issue 23) Peer-Reviewed

  Dec. 1, 2020481 words Article Global coupled chemistry-climate models underestimate carbon monoxide (CO) in the Northern Hemisphere, exhibiting a pervasive negative bias against measurements peaking in late winter and early spring. While this bias...