Lok Nath Lamsal

No photo available

Lok Nath Lamsal

  • SCIENTIST
  • 301.614.5160
  • NASA/GSFC
  • Mail Code: 614
  • Greenbelt , MD 20771
  • Employer: UNIVERSITIES SPACE RESEARCH ASSOCIATION
  • Brief Bio

    Dr. Lok N.  Lamsal is a GESTAR-affiliated Research Scientist at NASA Goddard Space Flight Center. His current research areas include development/improvement of retrieval algorithm for atmospheric trace gases from orbital and suborbital UV-visible sensors, validation of algorithm/products, and interpretation of satellite observations using in-situ data and model simulations. Prior to joining NASA, he was a postdoctoral fellow at Dalhousie University, Halifax, Canada. He received a Ph.D. in Atmospheric Science from the Institute of Remote Sensing, University of Bremen, Germany.

    Positions/Employment

    2018 - Present

    Sr. Research Scientist

    Goddard Earth Sciences Technology & Research, Universities Space Research Association, NASA Goddard Space Flight Center, Greenbelt, MD 20771
    2011 - 2018

    Scientist II/Scientist III

    Goddard Earth Sciences Technology & Research, Universities Space Research Association, NASA Goddard Flight Center, Greenbelt, MD 20771
    2006 - 2011

    Postdoctoral Fellow

    Dalhousie University, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4R2
    2002 - 2006

    Research Assistant

    University of Bremen, University of Bremen, Otto-Hahn-Allee 1, D-28359, Bremen, Deutschland
    1999 - 2001

    Lecturer (Physics)

    Tribhuvan University, Tribhuvan University, Kathmandu, Nepal

    Awards

    • William T. Pecora Award - OMI International Team (2018)
    • NASA DISCOVER-AQ Group Achievement Award (2017)
    • USRA President's Individual Excellence Award (2016)
    • NASA Robert H. Goddard Exceptional Achievement Science Award (2015)
    • NASA GSFC Laboratory for Atmospheres Outstanding Performance in Science Award (2015)
    • GESTAR Excellence Award (2014) 

     

    Publications

    Refereed

    Silvern, R. F., D. J. Jacob, L. J. Mickley, et al. M. P. Sulprizio, K. R. Travis, E. A. Marais, R. C. Cohen, J. L. Laughner, S. Choi, J. Joiner, and L. N. Lamsal. 2019. "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." Atmospheric Chemistry and Physics, 19 (13): 8863-8878 [10.5194/acp-19-8863-2019]

    Griffin, D., X. Zhao, C. A. McLinden, et al. F. Boersma, A. Bourassa, E. Dammers, D. Degenstein, H. Eskes, L. Fehr, V. Fioletov, K. Hayden, S. K. Kharol, S.-M. Li, P. Makar, R. V. Martin, C. Mihele, R. L. Mittermeier, N. Krotkov, M. Sneep, L. N. Lamsal, M. T. Linden, J. V. Geffen, P. Veefkind, and M. Wolde. 2019. "High-Resolution Mapping of Nitrogen Dioxide With TROPOMI: First Results and Validation Over the Canadian Oil Sands." Geophysical Research Letters, 46 (2): 1049-1060 [10.1029/2018gl081095]

    Tzortziou, M., O. Parker, B. Lamb, et al. J. Herman, L. Lamsal, R. Stauffer, and N. Abuhassan. 2018. "Atmospheric Trace Gas (NO2 and O3) Variability in South Korean Coastal Waters, and Implications for Remote Sensing of Coastal Ocean Color Dynamics." Remote Sensing, 10 (10): 1587 [10.3390/rs10101587]

    Vasilkov, A., E.-S. Yang, S. Marchenko, et al. W. Qin, L. Lamsal, J. Joiner, N. Krotkov, D. Haffner, P. K. Bhartia, and R. Spurr. 2018. "A cloud algorithm based on the O2-O2 477 nm absorption band featuring an advanced spectral fitting method and the use of surface geometry-dependent Lambertian-equivalent reflectivity." Atmospheric Measurement Techniques, 11 (7): 4093-4107 [10.5194/amt-11-4093-2018]

    Majid, A., M. Val Martin, L. N. Lamsal, and B. N. Duncan. 2017. "A decade of changes in nitrogen oxides over regions of oil and natural gas activity in the United States." Elem Sci Anth, 5 (0): 76 [10.1525/elementa.259]

    Krotkov, N. A., L. N. Lamsal, E. A. Celarier, et al. W. H. Swartz, S. V. Marchenko, E. J. Bucsela, K. L. Chan, M. Wenig, and M. Zara. 2017. "The version 3 OMI NO2 standard product." Atmospheric Measurement Techniques, 10 (9): 3133-3149 [10.5194/amt-10-3133-2017]

    Lorente, A., K. Folkert Boersma, H. Yu, et al. S. Dörner, A. Hilboll, A. Richter, M. Liu, L. N. Lamsal, M. Barkley, I. De Smedt, M. Van Roozendael, Y. Wang, T. Wagner, S. Beirle, J.-T. Lin, N. Krotkov, P. Stammes, P. Wang, H. J. Eskes, and M. Krol. 2017. "Structural uncertainty in air mass factor calculation for NO<sub>2</sub> and HCHO satellite retrievals." Atmospheric Measurement Techniques, 10 (3): 759-782 [10.5194/amt-10-759-2017]

    Lamsal, L. N., S. J. Janz, N. A. Krotkov, et al. K. E. Pickering, R. J. Spurr, M. G. Kowalewski, C. P. Loughner, J. H. Crawford, W. H. Swartz, and J. R. Herman. 2017. "High-resolution NO2 observations from the Airborne Compact Atmospheric Mapper: Retrieval and validation." Journal of Geophysical Research: Atmospheres, 122 (3): 1953-1970 [10.1002/2016jd025483]

    Zhang, L., D. K. Henze, G. A. Grell, et al. O. Torres, H. Jethva, and L. N. Lamsal. 2017. "What factors control the trend of increasing AAOD over the United States in the last decade?" Journal of Geophysical Research: Atmospheres, 122 (3): 1797-1810 [10.1002/2016jd025472]

    Vasilkov, A., W. Qin, N. Krotkov, et al. L. Lamsal, R. Spurr, D. Haffner, J. Joiner, E.-S. Yang, and S. Marchenko. 2017. "Accounting for the effects of surface BRDF on satellite cloud and trace-gas retrievals: a new approach based on geometry-dependent Lambertian equivalent reflectivity applied to OMI algorithms." Atmospheric Measurement Techniques, 10 (1): 333-349 [10.5194/amt-10-333-2017]

    Ialongo, I., J. Herman, N. Krotkov, et al. L. Lamsal, K. F. Boersma, J. Hovila, and J. Tamminen. 2016. "Comparison of OMI NO2 observations and their seasonal andweekly cycles with ground-based measurements in Helsinki." Atmospheric Measurement Techniques, 9 (10): 5203-5212 [10.5194/amt-9-5203-2016]

    Zoogman, P., X. Liu, R. Suleiman, et al. W. Pennington, D. Flittner, J. Al-Saadi, B. Hilton, D. Nicks, M. Newchurch, J. Carr, S. Janz, M. Andraschko, A. Arola, B. Baker, B. Canova, C. Chan Miller, R. Cohen, J. Davis, M. Dussault, D. Edwards, J. Fishman, A. Ghulam, G. González Abad, M. Grutter, J. Herman, J. Houck, D. Jacob, J. Joiner, B. Kerridge, J. Kim, N. Krotkov, L. Lamsal, C. Li, A. Lindfors, R. Martin, C. McElroy, C. McLinden, V. Natraj, D. Neil, C. Nowlan, E. O׳Sullivan, P. Palmer, R. Pierce, M. Pippin, A. Saiz-Lopez, R. Spurr, J. Szykman, O. Torres, J. Veefkind, B. Veihelmann, H. Wang, J. Wang, and K. Chance. 2016. "Tropospheric emissions: Monitoring of pollution (TEMPO)." Journal of Quantitative Spectroscopy and Radiative Transfer, 186: 17-39 [10.1016/j.jqsrt.2016.05.008]

    Duncan, B. N., L. N. Lamsal, A. M. Thompson, et al. Y. Yoshida, Z. Lu, D. G. Streets, M. M. Hurwitz, and K. E. Pickering. 2016. " A space-based, high-resolution view of notable changes in urban NO x pollution around the world (2005-2014) ." J. Geophys. Res. Atmos., 121 (2): 976–996 [10.1002/2015jd024121]

    Krotkov, N. A., C. A. McLinden, C. Li, et al. L. N. Lamsal, E. A. Celarier, S. V. Marchenko, W. H. Swartz, E. J. Bucsela, J. Joiner, B. N. Duncan, K. F. Boersma, J. P. Veefkind, P. F. Levelt, V. E. Fioletov, R. R. Dickerson, H. He, Z. Lu, and D. G. Streets. 2015. "Aura OMI observations of regional SO2 and NO2 pollution changes from 2005 to 2014." Atmos. Chem. Phys., 16: 4605-4629 [10.5194/acp-16-4605-2016]

    Lu, Z., D. G. Streets, B. de Foy, et al. L. N. Lamsal, B. N. Duncan, and J. Xing. 2015. "Emissions of nitrogen oxides from US urban areas: estimation from Ozone Monitoring Instrument retrievals for 2005–2014 ." Atmos. Chem. Phys., 15: 10367-10383 [10.5194/acp-15-10367-2015]

    Strode, S. A., J. M. Rodriguez, J. A. Logan, et al. O. R. Cooper, J. C. Witte, L. N. Lamsal, M. R. Damon, B. H. Van Aartsen, S. D. Steenrod, and S. E. Strahan. 2015. "Trends and variability in surface ozone over the United States." Journal of Geophysical Research: Atmospheres, 120: [10.1002/2014JD022784]

    Lamsal, L. N., B. N. Duncan, Y. Yoshida, et al. N. A. Krotkov, K. E. Pickering, D. G. Streets, and Z. Lu. 2015. "U.S. NO2 trends (2005–2013): EPA Air Quality System (AQS) data versus improved observations from the Ozone Monitoring Instrument (OMI)." Atmos. Env., 110: 130-143 [10.1016/j.atmosenv.2015.03.055]

    Tang, W., D. S. Cohan, A. Pour-Biazar, et al. L. N. Lamsal, A. T. White, X. Xiao, W. Zhou, B. H. Henderson, and B. F. Lash. 2015. "Influence of satellite-derived photolysis rates and NOx emissions on Texas ozone modeling." Atmos. Chem. Phys., 15 (4): 1601-1619 [10.5194/acp-15-1601-2015]

    Lamsal, L. N., N. A. Krotkov, E. A. Celarier, et al. W. H. Swartz, K. E. Pickering, E. J. Bucsela, J. F. Gleason, R. V. Martin, S. Philip, H. Irie, A. M. Cede, J. R. Herman, A. Weinheimer, J. J. Szykman, and T. N. Knepp. 2014. "Evaluation of OMI operational standard NO2 column retrievals using in situ and surface-based NO2 observations." Atmos. Chem. Phys., 14: 11,587-11,609 [10.5194/acp-14-11587-2014]

    Flynn, C. M., K. E. Pickering, J. H. Crawford, et al. L. N. Lamsal, N. A. Krotkov, J. R. Herman, A. Weinheimer, G. Chen, X. Liu, J. Szykman, S.-C. Tsay, C. P. Loughner, J. Hains, P. Lee, R. R. Dickerson, J. W. Stehr, and L. Brent. 2014. "Relationship between column-density and surface mixing ratio: Statistical analysis of O3 and NO2 data from the July 2011 Maryland DISCOVER-AQ mission." Atmospheric Environment, 92: 429-441 [10.1016/j.atmosenv.2014.04.041]

    McLinden, C. A., V. Fioletov, K. F. Boersma, et al. S. K. Kharol, N. A. Krotkov, L. N. Lamsal, P. A. Makar, R. V. Martin, J. P. Veefkind, and K. Yang. 2014. "Improved satellite retrievals of NO2 and SO2 over the Canadian oil sands and comparisons with surface measurements." Atmospheric Chemistry and Physics, 14 (7): 3637-3656 [10.5194/acp-14-3637-2014]

    Streets, D., B. de Foy, B. N. Duncan, et al. L. N. Lamsal, C. Li, and Z. Lu. 2014. "Using Satellite Observations to Measure." Environmental Manager, 64: 16-21.

    Streets, D. G., T. Canty, G. R. Carmichael, et al. B. de Foy, R. R. Dickerson, B. N. Duncan, D. P. Edwards, J. A. Haynes, D. K. Henze, M. R. Houyoux, D. J. Jacobi, N. A. Krotkov, L. N. Lamsal, Y. Liu, Z. Lu, R. V. Martini, G. G. Pfister, R. W. Pinder, R. J. Salawitch, and K. J. Wechti. 2013. "Emissions estimation from satellite retrievals: A review of current capability." Atmospheric Environment, 77: 1011-1042 [10.1016/j.atmosenv.2013.05.051]

    Bucsela, E. J., N. A. Krotkov, L. N. Lamsal, et al. W. H. Swartz, P. K. Bhartia, K. F. Boersma, J. P. Veefkind, J. F. Gleason, and K. E. Pickering. 2013. "A new stratospheric and tropospheric NO2 retrieval algorithm for nadir-viewing satellite instruments: applications to OMI." Atmospheric Measurement Techniques, 6 (10): 2607-2626 [10.5194/amt-6-2607-2013]

    Lamsal, L. N., R. V. Martin, D. D. Parrish, and N. A. Krotkov. 2013. "Scaling Relationship for NO2 Pollution and Urban Population Size: A Satellite Perspective." Environmental Science & Technology, 47 (14): 7855-7861 [10.1021/es400744g]

    Duncan, B. N., Y. Yoshida, B. de Foy, et al. L. N. Lamsal, D. G. Streets, Z. Lu, K. E. Pickering, and N. A. Krotkov. 2013. "The observed response of Ozone Monitoring Instrument (OMI) NO2 columns to NOx emission controls on power plants in the United States: 2005–2011." Atmospheric Environment, 81: 102-111 [10.1016/j.atmosenv.2013.08.068]

    Oetjen, H., S. Baidar, N. A. Krotkov, et al. L. N. Lamsal, M. Lechner, and R. Volkamer. 2013. "Airborne MAX-DOAS measurements over California: Testing the NASA OMI tropospheric NO₂ product." J. Geophys. Res. Atmos., 118 (13): 7400–7413 [10.1002/jgrd.50550]

    Brief Bio

    Dr. Lok N.  Lamsal is a GESTAR-affiliated Research Scientist at NASA Goddard Space Flight Center. His current research areas include development/improvement of retrieval algorithm for atmospheric trace gases from orbital and suborbital UV-visible sensors, validation of algorithm/products, and interpretation of satellite observations using in-situ data and model simulations. Prior to joining NASA, he was a postdoctoral fellow at Dalhousie University, Halifax, Canada. He received a Ph.D. in Atmospheric Science from the Institute of Remote Sensing, University of Bremen, Germany.

    Publications

    Refereed

    Silvern, R. F., D. J. Jacob, L. J. Mickley, et al. M. P. Sulprizio, K. R. Travis, E. A. Marais, R. C. Cohen, J. L. Laughner, S. Choi, J. Joiner, and L. N. Lamsal. 2019. "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." Atmospheric Chemistry and Physics 19 (13): 8863-8878 [10.5194/acp-19-8863-2019]

    Griffin, D., X. Zhao, C. A. McLinden, et al. F. Boersma, A. Bourassa, E. Dammers, D. Degenstein, H. Eskes, L. Fehr, V. Fioletov, K. Hayden, S. K. Kharol, S.-M. Li, P. Makar, R. V. Martin, C. Mihele, R. L. Mittermeier, N. Krotkov, M. Sneep, L. N. Lamsal, M. T. Linden, J. V. Geffen, P. Veefkind, and M. Wolde. 2019. "High-Resolution Mapping of Nitrogen Dioxide With TROPOMI: First Results and Validation Over the Canadian Oil Sands." Geophysical Research Letters 46 (2): 1049-1060 [10.1029/2018gl081095]

    Tzortziou, M., O. Parker, B. Lamb, et al. J. Herman, L. Lamsal, R. Stauffer, and N. Abuhassan. 2018. "Atmospheric Trace Gas (NO2 and O3) Variability in South Korean Coastal Waters, and Implications for Remote Sensing of Coastal Ocean Color Dynamics." Remote Sensing 10 (10): 1587 [10.3390/rs10101587]

    Vasilkov, A., E.-S. Yang, S. Marchenko, et al. W. Qin, L. Lamsal, J. Joiner, N. Krotkov, D. Haffner, P. K. Bhartia, and R. Spurr. 2018. "A cloud algorithm based on the O2-O2 477 nm absorption band featuring an advanced spectral fitting method and the use of surface geometry-dependent Lambertian-equivalent reflectivity." Atmospheric Measurement Techniques 11 (7): 4093-4107 [10.5194/amt-11-4093-2018]

    Majid, A., M. Val Martin, L. N. Lamsal, and B. N. Duncan. 2017. "A decade of changes in nitrogen oxides over regions of oil and natural gas activity in the United States." Elem Sci Anth 5 (0): 76 [10.1525/elementa.259]

    Krotkov, N. A., L. N. Lamsal, E. A. Celarier, et al. W. H. Swartz, S. V. Marchenko, E. J. Bucsela, K. L. Chan, M. Wenig, and M. Zara. 2017. "The version 3 OMI NO2 standard product." Atmospheric Measurement Techniques 10 (9): 3133-3149 [10.5194/amt-10-3133-2017]

    Lorente, A., K. Folkert Boersma, H. Yu, et al. S. Dörner, A. Hilboll, A. Richter, M. Liu, L. N. Lamsal, M. Barkley, I. De Smedt, M. Van Roozendael, Y. Wang, T. Wagner, S. Beirle, J.-T. Lin, N. Krotkov, P. Stammes, P. Wang, H. J. Eskes, and M. Krol. 2017. "Structural uncertainty in air mass factor calculation for NO<sub>2</sub> and HCHO satellite retrievals." Atmospheric Measurement Techniques 10 (3): 759-782 [10.5194/amt-10-759-2017]

    Lamsal, L. N., S. J. Janz, N. A. Krotkov, et al. K. E. Pickering, R. J. Spurr, M. G. Kowalewski, C. P. Loughner, J. H. Crawford, W. H. Swartz, and J. R. Herman. 2017. "High-resolution NO2 observations from the Airborne Compact Atmospheric Mapper: Retrieval and validation." Journal of Geophysical Research: Atmospheres 122 (3): 1953-1970 [10.1002/2016jd025483]

    Zhang, L., D. K. Henze, G. A. Grell, et al. O. Torres, H. Jethva, and L. N. Lamsal. 2017. "What factors control the trend of increasing AAOD over the United States in the last decade?" Journal of Geophysical Research: Atmospheres 122 (3): 1797-1810 [10.1002/2016jd025472]

    Vasilkov, A., W. Qin, N. Krotkov, et al. L. Lamsal, R. Spurr, D. Haffner, J. Joiner, E.-S. Yang, and S. Marchenko. 2017. "Accounting for the effects of surface BRDF on satellite cloud and trace-gas retrievals: a new approach based on geometry-dependent Lambertian equivalent reflectivity applied to OMI algorithms." Atmospheric Measurement Techniques 10 (1): 333-349 [10.5194/amt-10-333-2017]

    Ialongo, I., J. Herman, N. Krotkov, et al. L. Lamsal, K. F. Boersma, J. Hovila, and J. Tamminen. 2016. "Comparison of OMI NO2 observations and their seasonal andweekly cycles with ground-based measurements in Helsinki." Atmospheric Measurement Techniques 9 (10): 5203-5212 [10.5194/amt-9-5203-2016]

    Zoogman, P., X. Liu, R. Suleiman, et al. W. Pennington, D. Flittner, J. Al-Saadi, B. Hilton, D. Nicks, M. Newchurch, J. Carr, S. Janz, M. Andraschko, A. Arola, B. Baker, B. Canova, C. Chan Miller, R. Cohen, J. Davis, M. Dussault, D. Edwards, J. Fishman, A. Ghulam, G. González Abad, M. Grutter, J. Herman, J. Houck, D. Jacob, J. Joiner, B. Kerridge, J. Kim, N. Krotkov, L. Lamsal, C. Li, A. Lindfors, R. Martin, C. McElroy, C. McLinden, V. Natraj, D. Neil, C. Nowlan, E. O׳Sullivan, P. Palmer, R. Pierce, M. Pippin, A. Saiz-Lopez, R. Spurr, J. Szykman, O. Torres, J. Veefkind, B. Veihelmann, H. Wang, J. Wang, and K. Chance. 2016. "Tropospheric emissions: Monitoring of pollution (TEMPO)." Journal of Quantitative Spectroscopy and Radiative Transfer 186 17-39 [10.1016/j.jqsrt.2016.05.008]

    Duncan, B. N., L. N. Lamsal, A. M. Thompson, et al. Y. Yoshida, Z. Lu, D. G. Streets, M. M. Hurwitz, and K. E. Pickering. 2016. " A space-based, high-resolution view of notable changes in urban NO x pollution around the world (2005-2014) ." J. Geophys. Res. Atmos. 121 (2): 976–996 [10.1002/2015jd024121]

    Krotkov, N. A., C. A. McLinden, C. Li, et al. L. N. Lamsal, E. A. Celarier, S. V. Marchenko, W. H. Swartz, E. J. Bucsela, J. Joiner, B. N. Duncan, K. F. Boersma, J. P. Veefkind, P. F. Levelt, V. E. Fioletov, R. R. Dickerson, H. He, Z. Lu, and D. G. Streets. 2015. "Aura OMI observations of regional SO2 and NO2 pollution changes from 2005 to 2014." Atmos. Chem. Phys. 16 4605-4629 [10.5194/acp-16-4605-2016]

    Lu, Z., D. G. Streets, B. de Foy, et al. L. N. Lamsal, B. N. Duncan, and J. Xing. 2015. "Emissions of nitrogen oxides from US urban areas: estimation from Ozone Monitoring Instrument retrievals for 2005–2014 ." Atmos. Chem. Phys. 15 10367-10383 [10.5194/acp-15-10367-2015]

    Strode, S. A., J. M. Rodriguez, J. A. Logan, et al. O. R. Cooper, J. C. Witte, L. N. Lamsal, M. R. Damon, B. H. Van Aartsen, S. D. Steenrod, and S. E. Strahan. 2015. "Trends and variability in surface ozone over the United States." Journal of Geophysical Research: Atmospheres 120 [10.1002/2014JD022784]

    Lamsal, L. N., B. N. Duncan, Y. Yoshida, et al. N. A. Krotkov, K. E. Pickering, D. G. Streets, and Z. Lu. 2015. "U.S. NO2 trends (2005–2013): EPA Air Quality System (AQS) data versus improved observations from the Ozone Monitoring Instrument (OMI)." Atmos. Env. 110 130-143 [10.1016/j.atmosenv.2015.03.055]

    Tang, W., D. S. Cohan, A. Pour-Biazar, et al. L. N. Lamsal, A. T. White, X. Xiao, W. Zhou, B. H. Henderson, and B. F. Lash. 2015. "Influence of satellite-derived photolysis rates and NOx emissions on Texas ozone modeling." Atmos. Chem. Phys. 15 (4): 1601-1619 [10.5194/acp-15-1601-2015]

    Lamsal, L. N., N. A. Krotkov, E. A. Celarier, et al. W. H. Swartz, K. E. Pickering, E. J. Bucsela, J. F. Gleason, R. V. Martin, S. Philip, H. Irie, A. M. Cede, J. R. Herman, A. Weinheimer, J. J. Szykman, and T. N. Knepp. 2014. "Evaluation of OMI operational standard NO2 column retrievals using in situ and surface-based NO2 observations." Atmos. Chem. Phys. 14 11,587-11,609 [10.5194/acp-14-11587-2014]

    Flynn, C. M., K. E. Pickering, J. H. Crawford, et al. L. N. Lamsal, N. A. Krotkov, J. R. Herman, A. Weinheimer, G. Chen, X. Liu, J. Szykman, S.-C. Tsay, C. P. Loughner, J. Hains, P. Lee, R. R. Dickerson, J. W. Stehr, and L. Brent. 2014. "Relationship between column-density and surface mixing ratio: Statistical analysis of O3 and NO2 data from the July 2011 Maryland DISCOVER-AQ mission." Atmospheric Environment 92 429-441 [10.1016/j.atmosenv.2014.04.041]

    McLinden, C. A., V. Fioletov, K. F. Boersma, et al. S. K. Kharol, N. A. Krotkov, L. N. Lamsal, P. A. Makar, R. V. Martin, J. P. Veefkind, and K. Yang. 2014. "Improved satellite retrievals of NO2 and SO2 over the Canadian oil sands and comparisons with surface measurements." Atmospheric Chemistry and Physics 14 (7): 3637-3656 [10.5194/acp-14-3637-2014]

    Streets, D., B. de Foy, B. N. Duncan, et al. L. N. Lamsal, C. Li, and Z. Lu. 2014. "Using Satellite Observations to Measure." Environmental Manager 64 16-21

    Streets, D. G., T. Canty, G. R. Carmichael, et al. B. de Foy, R. R. Dickerson, B. N. Duncan, D. P. Edwards, J. A. Haynes, D. K. Henze, M. R. Houyoux, D. J. Jacobi, N. A. Krotkov, L. N. Lamsal, Y. Liu, Z. Lu, R. V. Martini, G. G. Pfister, R. W. Pinder, R. J. Salawitch, and K. J. Wechti. 2013. "Emissions estimation from satellite retrievals: A review of current capability." Atmospheric Environment 77 1011-1042 [10.1016/j.atmosenv.2013.05.051]

    Bucsela, E. J., N. A. Krotkov, L. N. Lamsal, et al. W. H. Swartz, P. K. Bhartia, K. F. Boersma, J. P. Veefkind, J. F. Gleason, and K. E. Pickering. 2013. "A new stratospheric and tropospheric NO2 retrieval algorithm for nadir-viewing satellite instruments: applications to OMI." Atmospheric Measurement Techniques 6 (10): 2607-2626 [10.5194/amt-6-2607-2013]

    Lamsal, L. N., R. V. Martin, D. D. Parrish, and N. A. Krotkov. 2013. "Scaling Relationship for NO2 Pollution and Urban Population Size: A Satellite Perspective." Environmental Science & Technology 47 (14): 7855-7861 [10.1021/es400744g]

    Duncan, B. N., Y. Yoshida, B. de Foy, et al. L. N. Lamsal, D. G. Streets, Z. Lu, K. E. Pickering, and N. A. Krotkov. 2013. "The observed response of Ozone Monitoring Instrument (OMI) NO2 columns to NOx emission controls on power plants in the United States: 2005–2011." Atmospheric Environment 81 102-111 [10.1016/j.atmosenv.2013.08.068]

    Oetjen, H., S. Baidar, N. A. Krotkov, et al. L. N. Lamsal, M. Lechner, and R. Volkamer. 2013. "Airborne MAX-DOAS measurements over California: Testing the NASA OMI tropospheric NO₂ product." J. Geophys. Res. Atmos. 118 (13): 7400–7413 [10.1002/jgrd.50550]

                                                                                                                                                                                            
    NASA Logo, National Aeronautics and Space Administration