Search Results - "Laughner, J. L"

On the effectiveness of nitrogen oxide reductions as a control over ammonium nitrate aerosol by Pusede, S. E, Duffey, K. C, Shusterman, A. A, Saleh, A, Laughner, J. L, Wooldridge, P. J, Zhang, Q, Parworth, C. L, Kim, H, Capps, S. L, Valin, L. C, Cappa, C. D, Fried, A, Walega, J, Nowak, J. B, Weinheimer, A. J, Hoff, R. M, Berkoff, T. A, Beyersdorf, A. J, Olson, J, Crawford, J. H, Cohen, R. C

“…Nitrogen oxides (NOx) have fallen steadily across the US over the last 15 years. At the same time, NOx concentrations decrease on weekends relative to…”
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Lightning NOx Emissions: Reconciling Measured and Modeled Estimates With Updated NOx Chemistry by Nault, B. A., Laughner, J. L., Wooldridge, P. J., Crounse, J. D., Dibb, J., Diskin, G., Peischl, J., Podolske, J. R., Pollack, I. B., Ryerson, T. B., Scheuer, E., Wennberg, P. O., Cohen, R. C.

“…Lightning is one of the most important sources of upper tropospheric NOx; however, there is a large spread in estimates of the global emission rates…”
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Observed NO/NO2 Ratios in the Upper Troposphere Imply Errors in NO‐NO2‐O3 Cycling Kinetics or an Unaccounted NOx Reservoir by Silvern, R. F., Jacob, D. J., Travis, K. R., Sherwen, T., Evans, M. J., Cohen, R. C., Laughner, J. L., Hall, S. R., Ullmann, K., Crounse, J. D., Wennberg, P. O., Peischl, J., Pollack, I. B.

“…Observations from the SEAC4RS aircraft campaign over the southeast United States in August–September 2013 show NO/NO2 concentration ratios in the upper…”
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Why Do Models Overestimate Surface Ozone in the Southeast United States? by Travis, Katherine R., Jacob, Daniel J., Fisher, Jenny A., Kim, Patrick S., Marais, Eloise A., Zhu, Lei, Yu, Karen, Miller, Christopher C., Yantosca, Robert M., Sulprizio, Melissa P., Thompson, Anne M., Wennberg, Paul O., Crounse, John D., Clair, Jason M. St, Cohen, Ronald C., Laughner, Joshua L., Dibb, Jack E., Hall, Samuel R., Ullmann, Kirk, Wolfe, Glenn M., Pollack, Illana B., Peischl, Jeff, Neuman, Jonathan A., Zhou, and Xianliang

“…Ozone pollution in the Southeast US involves complex chemistry driven by emissions of anthropogenic nitrogen oxide radicals (NO(x) triple bond NO + NO2) and…”
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Lightning NO2 simulation over the contiguous US and its effects on satellite NO2 retrievals by Zhu, Qindan, Laughner, Joshua L, Cohen, Ronald C

“…Lightning is an important NOx source representing ∼10 % of the global source of odd N and a much larger percentage in the upper troposphere. The poor…”
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Using satellite observations of tropospheric NO2 columns to infer long-term trends in US NOx emissions: the importance of accounting for the free tropospheric NO2 background by Silvern, Rachel F, Jacob, Daniel J, Mickley, Loretta J, Sulprizio, Melissa P, Travis, Katherine R, Marais, Eloise A, Cohen, Ronald C, Laughner, Joshua L, Choi, Sungyeon, Joiner, Joanna, Lamsal, Lok N

“…The National Emission Inventory (NEI) of the US Environmental Protection Agency (EPA) reports a steady decrease in US NOx emissions over the 2005–2017 period…”
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Effects of daily meteorology on the interpretation of space-based remote sensing of NO2 by Laughner, Joshua L, Zare, Azimeh, Cohen, Ronald C

“…Retrievals of tropospheric NO2 columns from UV-visible observations of reflected sunlight require a priori vertical profiles to account for the variation in…”
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Estimating enhancement ratios of nitrogen dioxide, carbon monoxide and carbon dioxide using satellite observations by MacDonald, Cameron G, Mastrogiacomo, Jon-Paul, Laughner, Joshua L, Hedelius, Jacob K, Nassar, Ray, Wunch, Debra

“…Using co-located space-based measurements of carbon dioxide (CO2) from the Orbiting Carbon Observatory-2 and Orbiting Carbon Observatory-3 (OCO-2/3) and carbon…”
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Evaluation of version 3.0B of the BEHR OMI NO2 product by Laughner, Joshua L, Zhu, Qindan, Cohen, Ronald C

“…Version 3.0B of the Berkeley High Resolution (BEHR) Ozone Monitoring Instrument (OMI) NO2 product is designed to accurately retrieve daily variation in the…”
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Quantification of the effect of modeled lightning NO2 on UV–visible air mass factors by Laughner, Joshua L, Cohen, Ronald C

“…Space-borne measurements of tropospheric nitrogen dioxide (NO2) columns are up to 10x more sensitive to upper tropospheric (UT) NO2 than near-surface NO2 over…”
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A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm by Laughner, Joshua L, Roche, Sébastien, Kiel, Matthäus, Toon, Geoffrey C, Wunch, Debra, Baier, Bianca C, Biraud, Sébastien, Chen, Huilin, Kivi, Rigel, Laemmel, Thomas, McKain, Kathryn, Quéhé, Pierre-Yves, Rousogenous, Constantina, Stephens, Britton B, Walker, Kaley, Wennberg, Paul O

“…Optimal estimation retrievals of trace gas total columns require prior vertical profiles of the gases retrieved to drive the forward model and ensure the…”
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A simplified non-linear chemistry transport model for analyzing NO2 column observations: STILT–NOx by Wu, Dien, Laughner, Joshua L, Liu, Junjie, Palmer, Paul I, Lin, John C, Wennberg, Paul O

“…Satellites monitoring air pollutants (e.g., nitrogen oxides; NOx = NO + NO2) or greenhouse gases (GHGs) are widely utilized to understand the spatiotemporal…”
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Retrieval of atmospheric CO2 vertical profiles from ground-based near-infrared spectra by Roche, Sébastien, Strong, Kimberly, Wunch, Debra, Mendonca, Joseph, Sweeney, Colm, Baier, Bianca, Biraud, Sébastien C, Laughner, Joshua L, Toon, Geoffrey C, Connor, Brian J

“…We evaluate vertical profile retrievals of CO2 from 0.02 cm-1 resolution ground-based near-infrared solar absorption spectra with the GFIT2 algorithm, using…”
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Inferring the vertical distribution of CO and CO2 from TCCON total column values using the TARDISS algorithm by Parker, Harrison A, Laughner, Joshua L, Toon, Geoffrey C, Wunch, Debra, Roehl, Coleen M, Iraci, Laura T, Podolske, James R, McKain, Kathryn, Baier, Bianca C, Wennberg, Paul O

“…We describe an approach for determining limited information about the vertical distribution of carbon monoxide (CO) and carbon dioxide (CO2) from total column…”
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Methane retrieval from MethaneAIR using the CO2 proxy approach: a demonstration for the upcoming MethaneSAT mission by Christopher Chan Miller, Roche, Sébastien, Wilzewski, Jonas S, Liu, Xiong, Chance, Kelly, Souri, Amir H, Conway, Eamon, Luo, Bingkun, Samra, Jenna, Hawthorne, Jacob, Sun, Kang, Staebell, Carly, Chulakadabba, Apisada, Sargent, Maryann, Benmergui, Joshua S, Franklin, Jonathan E, Daube, Bruce C, Yang, Li, Laughner, Joshua L, Baier, Bianca C, Gautam, Ritesh, Omara, Mark, Wofsy, Steven C

“…Reducing methane (CH4) emissions from the oil and gas (O&G) sector is crucial for mitigating climate change in the near term. MethaneSAT is an upcoming…”
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Update on the GOSAT TANSO–FTS SWIR Level 2 retrieval algorithm by Someya, Yu, Yoshida, Yukio, Ohyama, Hirofumi, Nomura, Shohei, Kamei, Akihide, Morino, Isamu, Mukai, Hitoshi, Matsunaga, Tsuneo, Laughner, Joshua L, Velazco, Voltaire A, Herkommer, Benedikt, Té, Yao, Sha, Mahesh Kumar, Kivi, Rigel, Zhou, Minqiang, Oh, Young Suk, Deutscher, Nicholas M, Griffith, David W. T

“…The National Institute for Environmental Studies has provided the column-averaged dry-air mole fraction of carbon dioxide and methane (XCO2 and XCH4) products…”
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Observed NO/NO 2 Ratios in the Upper Troposphere Imply Errors in NO‐NO 2 ‐O 3 Cycling Kinetics or an Unaccounted NO x Reservoir by Silvern, R. F., Jacob, D. J., Travis, K. R., Sherwen, T., Evans, M. J., Cohen, R. C., Laughner, J. L., Hall, S. R., Ullmann, K., Crounse, J. D., Wennberg, P. O., Peischl, J., Pollack, I. B.

“…Abstract Observations from the SEAC 4 RS aircraft campaign over the southeast United States in August–September 2013 show NO/NO 2 concentration ratios in the…”
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The Berkeley High Resolution Tropospheric NO2 product by Laughner, Joshua L, Zhu, Qindan, Cohen, Ronald C

“…We describe upgrades to the Berkeley High Resolution (BEHR) NO2 satellite retrieval product. BEHR v3.0B builds on the NASA version 3 standard Ozone Monitoring…”
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The Total Carbon Column Observing Network's GGG2020 data version by Laughner, Joshua L, Toon, Geoffrey C, Mendonca, Joseph, Petri, Christof, Roche, Sébastien, Wunch, Debra, Blavier, Jean-Francois, Griffith, David W. T, Heikkinen, Pauli, Keeling, Ralph F, Kiel, Matthäus, Kivi, Rigel, Roehl, Coleen M, Stephens, Britton B, Baier, Bianca C, Chen, Huilin, Choi, Yonghoon, Deutscher, Nicholas M, DiGangi, Joshua P, Gross, Jochen, Herkommer, Benedikt, Jeseck, Pascal, Laemmel, Thomas, Lan, Xin, McGee, Erin, McKain, Kathryn, Miller, John, Morino, Isamu, Notholt, Justus, Ohyama, Hirofumi, Pollard, David F, Rettinger, Markus, Riris, Haris, Rousogenous, Constantina, Sha, Mahesh Kumar, Shiomi, Kei, Strong, Kimberly, Sussmann, Ralf, Té, Yao, Velazco, Voltaire A, Wofsy, Steven C, Zhou, Minqiang, Wennberg, Paul O

“…The Total Carbon Column Observing Network (TCCON) measures column-average mole fractions of several greenhouse gases (GHGs), beginning in 2004, from over 30…”
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Lightning NO x Emissions: Reconciling Measured and Modeled Estimates With Updated NO x Chemistry by Nault, B. A., Laughner, J. L., Wooldridge, P. J., Crounse, J. D., Dibb, J., Diskin, G., Peischl, J., Podolske, J. R., Pollack, I. B., Ryerson, T. B., Scheuer, E., Wennberg, P. O., Cohen, R. C.

“…Abstract Lightning is one of the most important sources of upper tropospheric NO x ; however, there is a large spread in estimates of the global emission rates…”
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