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Records 1 to 25 of 66 records from author James Szykman

2024
Whitehill, A., L. Valin, D. Williams, AND J. Szykman. Formaldehyde Measurements in Support of Synergistic TEMPO Air Quality Science (STAQS), Summer 2023. U.S. Environmental Protection Agency, Washington, DC, 2024.
2022
Tzortziou, M., C. Kwong, D. Goldberg, L. Schiferl, R. Commane, N. Abuhassan, J. Szykman, AND L. Valin. Declines and peaks in NO2 pollution during the multiple waves of the COVID-19 pandemic in the New York metropolitan area. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 22(4):2399-2417, (2022). https://doi.org/10.5194/acp-22-2399-2022
Zhang, H., J. Wang, L. Castro Garcia, M. Zhou, C. Ge, T. Plessel, J. Szykman, R. Levy, B. Murphy, AND T. Spero. Improving Surface PM2.5 Forecasts in the United States Using an Ensemble of Chemical Transport Model Outputs: 2. Bias Correction With Satellite Data for Rural Areas. JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. American Geophysical Union, Washington, DC, 127(1):e2021JD035563, (2022). https://doi.org/10.1029/2021JD035563
Szykman, Jim, L. Valin, E. Baumann, AND D. Williams. Tropospheric Emissions: Monitoring of Pollution (TEMPO) mission and Level 2 Data Product Validation Plans. 2022 MARAMA Air Monitoring Committee Training Workshop, Swarthmore, PA, December 06 - 08, 2022.
2021
Gil, J., J. Kim, M. Lee, G. Lee, J. An, D. Lee, J. Jung, S. Cho, A. Whitehill, J. Szykman, J. Lee, AND J. Hong. Characteristics of HONO and its impact on O3 formation in the Seoul Metropolitan Area during the Korea-US Air Quality Study. Atmospheric Environment: X. Elsevier B.V., Amsterdam, Netherlands, 247:NA, (2021). https://doi.org/10.1016/j.atmosenv.2020.118182
Long, R. AND J. Szykman. Comprehensive evaluations of diurnal NO2 measurements during DISCOVER-AQ 2011: effects of resolution-dependent representation of NOx emissions. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, Germany, 21(14):11133-11160, (2021). https://doi.org/10.5194/acp-21-11133-2021
Szykman, J., W. Yelverton, R. Mathur, G. Pouliot, AND K. Foley. EPA Satellite Measurement needs relevant to the NASA A-CCP Mission. Aerosols and Clouds, Convection and Precipitation (ACCP) Instruments Virtual Air Quality Workshop, Virtual, Virtual, March 16 - 18, 2021.
Spinei, E., M. Tiefengraber, M. Müller, M. Gebetsberger, A. Cede, Luke Valin, J. Szykman, A. Whitehill, A. Kotsakis, F. Santos, N. Abbuhasan, X. Zhao, V. Fioletov, S. Lee, AND R. Swap. Effect of Polyoxymethylene (POM-H Delrin) offgassing within Pandora head sensor on direct sun and multi-axis formaldehyde column measurements in 2016–2019. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, NA(NA):NA, (2021). https://doi.org/10.5194/amt-14-647-2021
Zhang, H., J. Wang, L. Castro García, C. Ge, T. Plessel, J. Szykman, R. Levy, B. Murphy, AND T. Spero. Improving surface PM2.5 forecasts in the U.S. using an ensemble of chemical transport model outputs, multi satellite-based AOD products, and surface observations for AMS 101st Annual Meeting. American Meteorological Society 101st Annual Meeting, Virutal, Virtual, January 10 - 12, 2021.
Mathur, R., C. Hogrefe, J. Szykman, G. Hagler, A. Hakami, AND S. Zhao. Need and Potential Benefits of Improving Aloft Air Pollution Characterization: A Modeling Perspective. Chapter 22, Air Pollution Modeling and its Application XXVII. Springer, Heidelberg, Germany, , 139–144, (2021). https://doi.org/10.1007/978-3-662-63760-9_21
Szykman, J. TEMPO – Data Needs for Evaluation/Validation. 2021 MARAMA Air Quality Monitoring Training Workshop, NA, Virtual - On-Line, December 07 - 09, 2021.
2020
Szykman, J., D. Williams, V. Caicedo, R. Delgado, T. Knepp, K. Cavender, AND B. Lefer. An automated common algorithm for planetary boundary layer retrievals using aerosol lidars in support of the U.S. EPA Photochemical Monitoring Assessment Program. Journal of Atmospheric and Oceanic Technology. American Meteorological Society, Boston, MA, , 1-51, (2020). https://doi.org/10.1175/JTECH-D-20-0050.1
Judd, L., J. Al-Saadi, J. Szykman, L. Valin, A. Nehrir, S. Janz, M. Kowalewski, R. Swap, D. Williams, H. Eskes, J. Veefkind, A. Cede, M. Mueller, M. Gebetsberger, AND R. Pierce. Evaluating Sentinel-5P TROPOMI tropospheric NO2 column densities with airborne and Pandora spectrometers near New York City and Long Island Sound. Atmospheric Measurement Techniques. Copernicus Publications, Katlenburg-Lindau, Germany, 13(11):6113-6140, (2020). https://doi.org/10.5194/amt-13-6113-2020
Kim, H., J. Gil, J. Jung, A. Whitehill, J. Szykman, G. Lee, D. Kim, S. Cho, J. Ahn, J. Hong, AND M. Park. Factors controlling surface ozone in the Seoul Metropolitan Area During the Korus AQ campaign. Elementa: Science of the Anthropocene. University of California Press (UC Press), Oakland, CA, 8:46, (2020). https://doi.org/10.1525/elementa.444
Zhang, H., J. Wang, L. Castro García, C. Ge, T. Plessel, J. Szykman, R. Levy, B. Murphy, AND T. Spero. Improving surface PM2.5 forecasts in the U.S. using an ensemble of chemical transport model outputs, multi satellite-based AOD products, and surface observations. Fall AGU 2020, Virtual, Virtual, December 07 - 11, 2020.
2019
Szykman, J. An Integrated Observing System for Air Quality and Recent U.S. Field Campaigns. MARAMA ( Mid-Atlantic Regional Air Management Association) Training Workshop, Swarthmore, PA, November 19 - 21, 2019.
Whitehill, A., L. Valin, D. Williams, J. Szykman, R. Long, S. Kaushik, P. Furdyna, AND D. Felton. Evaluation of continuous formaldehyde measurements in air. NYSERDA Air Quality & Health Effects Workshop, Albany, NY, April 09 - 10, 2019.
Whitehill, A., D. Williams, L. Valin, J. Szykman, AND R. Long. Formaldehyde and Formic Acid Measurements at Westport, CT. LISTOS Science Team Meeting, Albany, NY, April 11, 2019.
Mathur, R., C. Hogrefe, J. Szykman, G. Hagler, A. Hakami, AND S. Zhao. Need and potential benefits of improving aloft air pollution characterization: A modeling perspective. ITM 2019 - 37th International Technical Meeting on Air Pollution Modelling and its Application, Hamburg, GERMANY, September 23 - 27, 2019.
Mathur, R., C. Hogrefe, A. Hakami, S. Zhao, J. Szykman, AND G. Hagler. Need, Potential Value and Feasibility of a Ground-based Continuous Aloft Air Pollution Monitoring Network: A Modeling Perspective. 2019 AGU Fall Meeting, San Francisco, CA, December 09 - 13, 2019.
2018
Mathur, R., C. Hogrefe, A. Hakami, S. Zhao, Jim Szykman, AND G. Hagler. A Call for an Aloft Air Quality Monitoring Network: Need, Feasibility, and Potential Value. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 52(19):10903–10908, (2018). https://doi.org/10.1021/acs.est.8b02496
Szykman, Jim AND T. Keating. Key Earth System Science Challenges Related to Climate Change and Air Pollution. National Academies Press, Washington, DC, 2018. https://doi.org/10.17226/24938
Williams, R., Vasu Kilaru, T. Conner, A. Clements, M. Colon, M. Breen, J. Bash, R. Duvall, Jim Szykman, M. Landis, P. Solomon, S. Kaushik, D. Holland, R. Callan, G. Hagler, Sue Kimbrough, B. Gullett, A. Holder, A. Kaufman, S. Reece, AND S. Feinberg. New Paradigm for Air Pollution Monitoring: Emerging Sensor Technologies 2014-2018 Progress Report. To be Presented at ACE Webinar, Research Triangle Park, NC, April 30, 2018.
Duvall, R., R. Long, M. Beaver, AND Jim Szykman. Student and Teacher-led Data Collection using Air Sensors during the DISCOVER-AQ Study. Air Sensors International Conference (ASIC), Oakland,CA, September 12 - 14, 2018.