Laura Pan List of Publications


2022

Pan, L. L., Kinnison, D., Liang, Q., Chin, M., Santee, M. L., Flemming, J., et al. (2022). A multimodel investigation of Asian summer monsoon UTLS transport over the Western Pacific. Journal of Geophysical Research: Atmospheres, 127, e2022JD037511. https://doi.org/10.1029/2022JD037511

Nützel, M., Brinkop, S., Dameris, M., Garny, H., Jöckel, P., Pan, L. L., and Park, M.: Climatology and variability of air mass transport from the boundary layer to the Asian monsoon anticyclone, Atmos. Chem. Phys., 22, 15659–15683, https://doi.org/10.5194/acp-22-15659-2022, 2022.

Ray, E. A., Atlas, E. L., Schauffler, S., Chelpon, S., Pan, L., Bönisch, H., and Rosenlof, K. H.: Age Spectra and Other Transport Diagnostics in the North American Monsoon UTLS from SEAC4RS In Situ Trace Gas Measurements, Atmos. Chem. Phys., 22, 6539–6558, 2022. https://doi.org/10.5194/acp-22-6539-2022.

Wang, Xinyue, William Randel, Laura Pan, Yutian Wu, Pengfei Zhang, Transient behavior of the Asian summer monsoon anticyclone associated with eastward eddy shedding. Journal of Geophysical Research: Atmospheres, 127, e2021JD036090. https://doi.org/10.1029/2021JD036090

2021

Chelpon, S. M., Pan, L. L., Luo, Z. J., Atlas, E., Honomichl, S. B., Smith, W. P., Wang, S., Ullmann, K., Hall, S. R., Apel, E. C., Hornbrook, R. S., Deriving tropospheric transit time spectra using airborne trace gas measurements: uncertainty and information content. Journal of Geophysical Research: Atmospheres, 126, e2020JD034358. https://doi.org/10.1029/2020JD034358

Smith, W. P., Pan, L. L., Honomichl, S. B., Chelpon, S. M., Ueyama, R. & Pfister L., Diagnostics of Convective Transport over the Tropical Western Pacific from Trajectory Analyses. Journal of Geophysical Research: Atmospheres, 126, e2020JD034341. https://doi.org/10.1029/2020JD034341

von Hobe, M., Ploeger, F., Konopka, P., Kloss, C., Ulanowski, A., Yushkov, V., Ravegnani, F., Volk, C. M., Pan, L. L., Honomichl, S. B., Tilmes, S., Kinnison, D. E., Garcia, R. R., and Wright, J. S.: Upward transport into and within the Asian monsoon anticyclone as inferred from StratoClim trace gas observations, Atmos. Chem. Phys., 21, 1267–1285, https://doi.org/10.5194/acp-21-1267-2021, 2021.

Fujiwara, M., Sakai, T., Nagai, T., Shiraishi, K., Inai, Y., Khaykin, S., Xi, H., Shibata, T., Shiotani, M., and Pan, L. L.: Lower-stratospheric aerosol measurements in eastward-shedding vortices over Japan from the Asian summer monsoon anticyclone during the summer of 2018, Atmos. Chem. Phys., 21, 3073–3090, https://doi.org/10.5194/acp-21-3073-2021, 2021.

2020

Krämer, M., Rolf, C., Spelten, N., Afchine, A., Fahey, D., Jensen, E., Khaykin, S., Kuhn, T., Lawson, P., Lykov, A., Pan, L. L., Riese, M., Rollins, A., Stroh, F., Thornberry, T., Wolf, V., Woods, S., Spichtinger, P., Quaas, J., and Sourdeval, O.: A microphysics guide to cirrus – Part 2: Climatologies of clouds and humidity from observations, Atmos. Chem. Phys., 20, 12569–12608, https://doi.org/10.5194/acp-20-12569-2020, 2020.

Wang, S., Apel, E. C., Schwantes, R. H., Bates, K. H., Jacob, D. J., & Fischer, E. V., et al. (2020). Global atmospheric budget of acetone: Air‐sea exchange and the contribution to hydroxyl radicals. Journal of Geophysical Research: Atmospheres, 125, e2020JD032553. https://doi.org/10.1029/2020JD032553

Jensen, E. J., Pan, L. L., Honomichl, S., Diskin, G. S., Krämer, M., & Spelten, N., et al. (2020). Assessment of observational evidence for direct convective hydration of the lower stratosphere. Journal of Geophysical Research: Atmospheres, 125, e2020JD032793. https://doi.org/10.1029/2020JD032793

Honomichl, S. B., and Pan, L. L., (2020). Transport from the Asian summer monsoon anticyclone over the western Pacific. Journal of Geophysical Research: Atmospheres, 125, e2019JD032094. https://doi.org/10.1029/2019JD032094

Langille, J., Bourassa, A., Pan, L. L., Letros, D., Solheim, B., Zawada, D., and Degenstein, D.: Observational evidence of moistening the lowermost stratosphere via isentropic mixing across the subtropical jet, Atmos. Chem. Phys., 20, 5477–5486, https://doi.org/10.5194/acp-20-5477-2020, 2020.

Li, L., Lu, C., Chan, P. W., Zhang, X., Yang, H. L., Lan, Z. J., … Zhang, L. (2020). Tower observed vertical distribution of PM2.5, O3 and NOx in the Pearl River Delta. Atmospheric Environment, 220. https://doi.org/10.1016/j.atmosenv.2019.117083.

2019

Pan L. L., Honomichl, S. B., Thornberry, T., Rollins, A., Bui, T. P., Pfister, L., & Jensen, E. E. (2019). Observational evidence of horizontal transport‐driven dehydration in the TTL. Geophysical Research Letters, 46, 7848–7856. https://doi.org/10.1029/ 2019GL083647 (download PDF)

2018

Luo, Z. J., Pan, L. L., Atlas, E. L., Chelpon, S. M., Honomichl, S. B., Apel, E. C., et al. (2018). Use of airborne in situ VOC measurements to estimate transit time spectrum: An observation‐based diagnostic of convective transport. Geophysical Research Letters, 45, 13,150–13,157. https://doi-org.cuucar.idm.oclc.org/10.1029/2018GL080424.

Donets, V., Atlas, E. L., Pan, L. L., Schauffler, S. M., Honomichl, S., Hornbrook, R. S., et al (2018). Wintertime transport of reactive trace gases from East Asia into the deep tropics. Journal of Geophysical Research: Atmospheres, 123, 12,877–12,896. https://doi.org/10.1029/2017JD028231

Jensen, E. J., Woods, S., Lawson, R. P., Bui, T. P., Pfister, L., Thornberry, T. D. et al. (2018). Ash particles detected in the tropical lower stratosphere. Geophysical Research Letters, 45, 11,483–11,489. https://doi-org.cuucar.idm.oclc.org/10.1029/2018GL079605

Pan L. L., Honomichl, S. B., Bui, T. V., Thornberry, T., Rollins, A., Hintsa, E., & Jensen, E. J. (2018). Lapse rate or cold point: The tropical tropopause identified by in situ trace gas measurements. Geophysical Research Letters, 45, 10,756–10,763. https://doi.org/10.1029/2018GL079573 (download PDF)

Butler, R., Palmer, P. I., Feng, L., Andrews, S. J., Atlas, E. L., Carpenter, L. J., Donets, V., Harris, N. R. P., Montzka, S. A., Pan, L. L., Salawitch, R. J., and Schauffler, S. M.: Quantifying the vertical transport of CHBr3 and CH2Br2 over the western Pacific, Atmos. Chem. Phys., 18, 13135-13153, https://doi.org/10.5194/acp-18-13135-2018, 2018.

Feng, L., Palmer, P. I., Butler, R., Andrews, S. J., Atlas, E. L., Carpenter, L. J., Donets, V., Harris, N. R. P., Salawitch, R. J., Pan, L. L., and Schauffler, S. M.: Surface fluxes of bromoform and dibromomethane over the tropical western Pacific inferred from airborne in situ measurements, Atmos. Chem. Phys., 18, 14787-14798, https://doi.org/10.5194/acp-18-14787-2018, 2018.

Tao, M., Pan, L. L. , Konopka, P., Honomichl, S. B., Kinnison, D. E., & Apel, E. C. (2018). A Lagrangian model diagnosis of stratospheric contributions to tropical midtropospheric air. Journal of Geophysical Research: Atmospheres, 123, 9764–9785. https://doi.org/10.1029/2018JD028696 (download PDF)

Luo, J., Pan, L. L., Honomichl, S. B., Bergman, J. W., Randel, W. J., Francis, G., Clerbaux, C., George, M., Liu, X., and Tian, W.: Space–time variability in UTLS chemical distribution in the Asian summer monsoon viewed by limb and nadir satellite sensors, Atmos. Chem. Phys., 18, 12511-12530, https://doi.org/10.5194/acp-18-12511-2018, 2018. (download reduced size PDF)

Wales, P. A., Salawitch, R. J., Nicely, J. M., Anderson, D. C., Canty, T. P., Baidar, S., et al. (2018). Stratospheric injection of brominated very short-lived substances: Aircraft observations in the Western Pacific and representation in global models. Journal of Geophysical Research: Atmospheres, 123, 5690–5719. https://doi.org/10.1029/2017JD027978

Newton, R., Vaughan, G., Hintsa, E., Filus, M. T., Pan, L. L., Honomichl, S., Atlas, E., Andrews, S. J., and Carpenter, L. J.: Observations of ozone-poor air in the tropical tropopause layer, Atmos. Chem. Phys., 18, 5157-5171, https://doi.org/10.5194/acp-18-5157-2018, 2018.

2017

Koenig, T. K., Volkamer, R., Baidar, S., Dix, B., Wang, S., Anderson, D. C., Salawitch, R. J., Wales, P. A., Cuevas, C. A., Fernandez, R. P., Saiz-Lopez, A., Evans, M. J., Sherwen, T., Jacob, D. J., Schmidt, J., Kinnison, D., Lamarque, J.-F., Apel, E. C., Bresch, J. C., Campos, T., Flocke, F. M., Hall, S. R., Honomichl, S. B., Hornbrook, R., Jensen, J. B., Lueb, R., Montzka, D. D., Pan, L. L., Reeves, J. M., Schauffler, S. M., Ullmann, K., Weinheimer, A. J., Atlas, E. L., Donets, V., Navarro, M. A., Riemer, D., Blake, N. J., Chen, D., Huey, L. G., Tanner, D. J., Hanisco, T. F., and Wolfe, G. M.: BrO and inferred Bry profiles over the western Pacific: relevance of inorganic bromine sources and a Bryminimum in the aged tropical tropopause layer, Atmos. Chem. Phys., 17, 15245-15270, https://doi.org/10.5194/acp-17-15245-2017, 2017.

Anderson, D. C., Nicely, J. M., Wolfe, G. M., Hanisco, T. F., Salawitch, R. J., Canty, T. P., … Zeng, G. (2017). Formaldehyde in the tropical western Pacific: Chemical sources and sinks, convective transport, and representation in CAM-Chem and the CCMI models. Journal of Geophysical Research: Atmospheres, 122. 11,201–11,226. https://doi.org/10.1002/2016JD026121

Fan Q J, Bian J C, Pan L L. 2017. Stratospheric entry point for upper-tropospheric air within the Asian summer monsoon anticyclone. Science China Earth Sciences, 60: 1685–1693, doi: 10.1007/s11430-016-9073-5

Laura Pan, Jim Crawford, Xuemeing Wang, Jianchun Bian, Mary Barth, Ritesh Gautam, and Federico Fierli, The Third Workshop on Atmospheric Composition and the Asian Monsoon (ACAM) and the Second ACAM Training School, SPARC Newsletter, no. 49, pp 32-34, July, 2017.

Qiu-Jun Fan, Jian-Chun Bian & Laura L. Pan (2017) Atmospheric boundary layer sources for upper tropospheric air over the Asian summer monsoon region, Atmospheric and Oceanic Science Letters, 10:5, 358-363, DOI: 10.1080/16742834.2017.1344089

Yu, P., K. H. Rosenlof, S. Liu, H. Telg, T. D. Thornberry, A. W. Rollins, R. W. Portmann, Z. Bai, E. A. Ray, Y. Duan, L. L. Pan, O. B. Toon, J. Bian, and R. S. Gao (2017), Efficient transport of tropospheric aerosol into the stratosphere via the Asian summer monsoon anticyclone. Proceedings of the National Academy of Sciences, 114, 6972-6977, doi:10.1073/pnas.1701170114.

Li, D., Vogel, B., Bian, J., Müller, R., Pan, L. L., Günther, G., Bai, Z., Li, Q., Zhang, J., Fan, Q., and Vömel, H.: Impact of typhoons on the composition of the upper troposphere within the Asian summer monsoon anticyclone: the SWOP campaign in Lhasa 2013, Atmos. Chem. Phys., 17, 4657-4672, doi:10.5194/acp-17-4657-2017, 2017.

Pan, L., E. Atlas, R. Salawitch, S. Honomichl, J. Bresch, W. Randel, E. Apel, R. Hornbrook, A. Weinheimer, D. Anderson, S. Andrews, S. Baidar, S. Beaton, T. Campos, L. Carpenter, D. Chen, B. Dix, V. Donets, S. Hall, T. Hanisco, C. Homeyer, L. Huey, J. Jensen, L. Kaser, D. Kinnison, T. Koenig, J. Lamarque, C. Liu, J. Luo, Z. Luo, D. Montzka, J. Nicely, R. Pierce, D. Riemer, T. Robinson, P. Romashkin, A. Saiz-Lopez, S. Schauffler, O. Shieh, M. Stell, K. Ullmann, G. Vaughan, R. Volkamer, and G. Wolfe, 2017: The Convective Transport of Active Species in the Tropics (CONTRAST) Experiment. Bull. Amer. Meteor. Soc., 98, 106–128, doi: 10.1175/BAMS-D-14-00272.1. (download reduced size PDF)

2016

Pan, L. L., S. B. Honomichl, D. E. Kinnison, M. Abalos, W. J. Randel, J. W. Bergman, and J. Bian (2016), Transport of Chemical Tracers from the Boundary Layer to Stratosphere Associated with the Dynamics of the Asian Summer Monsoon, J. Geophys. Res. Atmos., 121, 14,159–14,174, doi:10.1002/2016JD025616. (online PDF)

Randel, W.J., L. Rivoire, L. L. Pan and S. B. Honomichl (2016), Dry layers in the tropical troposphere observed during CONTRAST and global behavior from GFS analyses, J. Geophys. Res. Atmos., 121, 14,142–14,158, doi:10.1002/2016JD025841.

Chen, D., et al. (2016), Airborne measurements of BrO and the sum of HOBr and Br2 over the Tropical West Pacific from 1 to 15 km during the CONvective TRansport of Active Species in the Tropics (CONTRAST) experiment, J. Geophys. Res. Atmos., 121, 12,560–12,578, doi:10.1002/2016JD025561.

Randel, W. J., L. L. Pan, and J. C. Bian, Chiara Cagnazzo, Rolf Müller, and Michelle Santee, (2016) Workshop on dynamics, transport and chemistry of the UTLS Asian Monsoon, SPARC Newsletter, no. 47, July, 2016. (download PDF)

Randel, W. J., L. L. Pan, and J. C. Bian, 2016: Workshop on dynamics, transport and chemistry of the UTLS Asian Monsoon, Adv. Atmos. Sci., 33 (9), 1096–1098, doi: 10.1007/s00376-016-6169-9. (download PDF)

Nicely, J. M., et al. (2016), An observationally constrained evaluation of the oxidative capacity in the tropical western Pacific troposphere , J. Geophys. Res. Atmos., 121, 7461–7488, doi:10.1002/2016JD025067.

Toon, Owen, B., Hal Maring , Jack Dibb , Richard Ferrare , Daniel Jacob , Eric Jensen , Zhengzhao Luo , Gerald Mace , Laura L. Pan , Leonhard Pfister , Karen Rosenlof , Jens Redemann , Jeffrey S. Reid , Hanwant Singh , Robert J. Yokelson , Patrick Minnis , Gao Chen , Ken Jucks , Alexander Pszenny (2016) Planning, implementation and scientific goals of the Studies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys (SEAC4RS) field mission, J. Geophys. Res. Atmos., 121, 4967–5009, doi:10.1002/2015JD024297.

Newton, R., Vaughan, G., Ricketts, H. M. A., Pan, L. L., Weinheimer, A. J., and Chemel, C.: Ozonesonde profiles from the West Pacific Warm Pool: measurements and validation, Atmos. Chem. Phys., 16, 619-634, doi:10.5194/acp-16-619-2016, 2016. (online PDF)

Laura Pan and James Crawford, Report on the 2nd Workshop on Atmospheric Composition and the Asian Monsoon (ACAM), SPARC Newsletter, no. 46, January, 2016. (download PDF) )

2015

Pan, L.L., S. B. Honomichl, W. J. Randel, E. C. Apel, E. L. Atlas, S. P. Beaton, J. F. Bresch, R. Hornbrook, D. E. Kinnison, J-F Lamarque, A. Saiz-Lopez, R. J. Salawitch, and A. J. Weinheimer, Bimodal distribution of free tropospheric ozone over the tropical western Pacific revealed by airborne observations, Geophys. Res. Lett., 42, 7844–7851, Doi: 10.1002/2015GL065562 (PDF)

Mary C. Barth, Christopher A. Cantrell, William H. Brune, Steven A. Rutledge, James H. Crawford, Heidi Huntrieser, Lawrence D. Carey, Donald MacGorman, Morris Weisman, Kenneth E. Pickering, Eric Bruning, Bruce Anderson, Eric Apel, Michael Biggerstaff, Teresa Campos, Pedro Campuzano-Jost, Ronald Cohen, John Crounse, Douglas A. Day, Glenn Diskin, Frank Flocke, Alan Fried, Charity Garland, Brian Heikes, Shawn Honomichl, Rebecca Hornbrook, L. Gregory Huey, Jose L. Jimenez, Timothy Lang, Michael Lichtenstern, Tomas Mikoviny, Benjamin Nault, Daniel O’Sullivan, Laura L. Pan, Jeff Peischl, Ilana Pollack, Dirk Richter, Daniel Riemer, Thomas Ryerson, Hans Schlager, Jason St. Clair, James Walega, Petter Weibring, Andrew Weinheimer, Paul Wennberg, Armin Wisthaler, Paul J. Wooldridge, and Conrad Ziegler, 2015: The deep convective clouds and chemistry (dc3) field campaign. Bull. Amer. Meteor. Soc., 96, 1281–1309. doi: http://dx.doi.org/10.1175/BAMS-D-13-00290.1

Diao, M., J. B. Jensen, L. L. Pan, C. R. Homeyer, S. Honomichl, J. F. Bresch, and A. Bansemer (2015), Distributions of ice supersaturation and ice crystals from airborne observations in relation to upper tropospheric dynamical boundaries, J. Geophys. Res. Atmos., 120, doi:10.1002/2015JD023139.

Zhang, Fuqing, Wei, Junhong, Zhang, Meng, Bowman, K. P., Pan, L. L., Atlas, E., and Wofsy, S. C.: Aircraft measurements of gravity waves in the upper troposphere and lower stratosphere during the START08 field experiment, Atmos. Chem. Phys., 15, 7667-7684, doi:10.5194/acp-15-7667-2015, 2015.

2014

Martinez-Alonso, Sara Merritt Deeter , Helen Worden , John Gille , Louisa Emmons, Laura L. Pan , Mijeong Park , Gloria Manney , Peter Bernath , Chris Boone , Kaley A. Walker , Felicia Kolonjari , Steven C. Wofsy , Jasna Pittman , Bruce Daube , Comparison of Upper Tropospheric Carbon Monoxide from MOPITT, ACE-FTS, and HIPPO-QCLS, J. Geophys. Res. Atmos. 119, 14,144–14,164, doi:10.1002/2014JD022397.

Pan, L. L., C. R. Homeyer, S. B. Honomichl,B. A. Ridley, M. Weisman, M. Barth, J. W. Hair, M. A. Fenn, C. F. Butler, G. S. Diskin, J. H. Crawford, T. B. Ryerson, I. B. Pollack, J. Peischl, and H. Huntrieser (2014), Thunderstorms Enhance Tropospheric Ozone by Wrapping and Shedding Stratospheric Air, Geophys. Res. Lett. , 41, 7785–7790, doi:10.1002/2014GL061921.

Schroeder, J. R., L. L. Pan, T. Ryerson, G. Diskin, J. Hair, S. Meinardi, I. Simpson, B. Barletta, N. Blake, and D. R. Blake (2014), Evidence of mixing between polluted convective outflow and stratospheric air in the upper troposphere during DC3, J. Geophys. Res. Atmos., 119, 11,477–11,491, doi:10.1002/2014JD022109.

Homeyer, Cameron R., Laura L. Pan, Samuel Dorsi , Linnea Avanov , Andrew Weinheimer , Anthony O'Brien, Josh DiGangi , Mark Zondlo , Thomas Ryerson , Glenn Diskin , Teresa Campos (2014), Convective transport of water vapor into the lower stratosphere observed during double tropopause events, J. Geophys. Res. Atmos. 119, 10,941–10,958, doi: 10.1002/2014JD021485.

Munchak, L. A. and L. L. Pan (2014), Separation of the lapse rate and the coldpoint tropopauses in the tropics and the resulting impact on cloud top – tropopause relationships, J. Geophys. Res. Atmos. 119, 7963-7978, doi:10.1002/2013JD021189. (download PDF)

Pan, L. L., L. C. Paulik, S. B. Honomichl, L. A. Munchak, J. Bian, H. B. Selkirk, and H. Vömel (2014), Identification of the tropical tropopause transition layer using the ozone-water vapor relationship, J. Geophys. Res. Atmos., 119, 3586–3599, doi:10.1002/2013JD020558. (download PDF)

Homeyer, C. R., L. L. Pan, and M. C. Barth (2014), Transport from convective overshooting of the extratropical tropopause and the role of large-scale lower stratosphere stability, J. Geophys. Res. Atmos., 119, doi:10.1002/2013JD020931. (download PDF)

Bergman, J. W., E. J. Jensen, L. Pfister, L. L. Pan, and S. Honomichl (2014), Analyzing dynamical circulations in the tropical tropopause layer through empirical predictions of cirrus cloud distributions, J. Geophys. Res. Atmos., 119, doi:10.1002/2013JD021295. (download PDF)

Pan, Laura, James Crawford, Hiroshi Tanimoto, Mark Lawrence, Arnico Panday, S. Suresh Babu, Brice Barret, Hans Schlager, Paul Konopka, and Jianchun Bian, Report on the Atmospheric Composition and the summer Asian Monsoon (ACAM) Workshop, SPARC Newsletter, no. 42, January, 2014. (download PDF) )

2013

Ungermann, J., Pan, L. L., Kalicinsky, C., Olschewski, F., Knieling, P., Blank, J., Weigel, K., Guggenmoser, T., Stroh, F., Hoffmann, L., and Riese, M.: Filamentary structure in chemical tracer distributions near the subtropical jet following a wave breaking event, Atmos. Chem. Phys., 13, 10517-10534, doi:10.5194/acp-13-10517-2013, 2013.

Bak, J., Liu, X., Wei, J. C., Pan, L. L., Chance, K., and Kim, J. H.: Improvement of OMI ozone profile retrievals in the upper troposphere and lower stratosphere by the use of a tropopause-based ozone profile climatology, Atmos. Meas. Tech., 6, 2239-2254, doi:10.5194/amt-6-2239-2013, 2013.

Bergman, J. W., F. Fierli, E. J. Jensen, S. Honomichl, and L. L. Pan (2013), Boundary layer sources for the Asian anticyclone: Regional contributions to a vertical conduit, J. Geophys. Res. Atmos. , 118, doi:10.1002/jgrd.50142.

2012

Konopka, P. and L. L. Pan (2012), On the mixing-driven formation of the Extratropical Transition Layer (ExTL), J. Geophys. Res., 117, D18301, doi:10.1029/2012JD017876.

Pan, L. L., Kunz, A., Homeyer, C. R., Munchak, L. A., Kinnison, D. E., and Tilmes, S.: Commentary on using equivalent latitude in the upper troposphere and lower stratosphere, Atmos. Chem. Phys., 12, 9187-9199, doi:10.5194/acp-12-9187-2012, 2012.

Bian, J., L. L. Pan, L. Paulik, H. Vömel, H. Chen, and D. Lu (2012), In situ water vapor and ozone measurements in Lhasa and Kunming during the Asian summer monsoon, Geophys. Res. Lett., 39, L19808, doi:10.1029/2012GL052996. (download PDF)

2011

Kunz, A., L.L. Pan, P. Konopka, D. E. Kinnison, and S. Tilmes (2011), Chemical and dynamical discontinuity at the extratropical tropopause based on START08 and WACCM analyses, J. Geophys. Res., 116, D24302, doi:10.1029/2011JD016686. (download PDF)

Homeyer, C. R., K. P. Bowman, L. L. Pan, M. A. Zondlo, and J. F. Bresch (2011), Convective injection into stratospheric intrusions, J. Geophys. Res., 116, D23304, doi:10.1029/2011JD016724. (download PDF)

Gettelman, A., P. Hoor, L. L. Pan, W. J. Randel, M. I. Hegglin, and T. Birner (2011), The Extratropical upper troposphere and lower stratosphere, Rev. Geophys., 49, RG3003, doi:10.1029/2011RG000355. (download PDF)

Kunz, A., P. Konopka, R. Müller, and L. L. Pan (2011), Dynamical tropopause based on isentropic potential vorticity gradients, J. Geophys. Res., 116, D01110, doi:10.1029/2010JD014343. (download PDF)

Vogel, B., et al. (2011), Transport pathways and signatures of mixing in the extratropical tropopause region derived from Lagrangian model simulations, J. Geophys. Res., 116, D05306, doi:10.1029/2010JD014876. (download PDF)

Homeyer, C. R., K. P. Bowman, L. L. Pan, E. L. Atlas, R.-S. Gao, and T. L. Campos (2011), Dynamical and chemical characteristics of tropospheric intrusions observed during START08, J. Geophys. Res., 116, D06111, doi:10.1029/2010JD015098. (download PDF)

Pan, L. L. and L. A. Munchak (2011), Relationship of cloud top to the tropopause and jet structure from CALIPSO data, J. Geophys. Res., 116, D12201, doi:10.1029/2010JD015462. download PDF

2010

Pan, L. L., E. L. Atlas, K. P. Bowman, The Stratosphere-Troposphere Analyses of Regional Transport 2008 (START08) Experiment, SPARC Newsletter 34 January 2010. for PDF

Pan, L. L., K. P. Bowman, E. L. Atlas, S. C. Wofsy, F. Zhang, J. F. Bresch, B. A. Ridley, J. V. Pittman, C. R. Homeyer, P. Romashkin, W. A. Cooper 2010: The Stratosphere-Troposphere Analyses of Regional Transport 2008 (START08) Experiment, Bull. Amer. Meteor. Soc. 91, 327-342 . (download PDF)

Homeyer, C. R., K. P. Bowman, and L. L. Pan (2010), Extratropical tropopause transition layer characteristics from high‐resolution sounding data, J. Geophys. Res., 115, D13108, doi:10.1029/2009JD013664. (download PDF)

Tilmes, S., L. L. Pan, P. Hoor, E. Atlas, M. A. Avery, T. Campos, L. E. Christensen, G. S. Diskin, R.-S. Gao, R. L. Herman, E. J. Hintsa, M. Loewenstein, J. Lopez, M. E. Paige, J. Pittman, J. R. Podolske, M. Proffitt, G. W. Sachse, N. Spelten, C. Webster, A. Weinheimer, E. M. Weinstock, M. A. Zondlo (2010), An aircraft based upper troposphere lower stratosphere O3, CO and H2O climatology for the Northern hemisphere, J. Geophys. Res.,115, D14303, doi:10.1029/2009JD012731. (download PDF)

Wei, J. C., L. L. Pan, E. Maddy, J. V. Pittman, Murty Divakarla, X. Xiong, F. Sun, C. D. Barnet, 2010: Ozone profile retrieval from advanced Infrared sounder: Experiments with tropopause based climatology and optimal estimation approach, J. Atmos. Ocean Tech. 27, 1123-1139, doi: 10.1175/2010JTECHA1384.1 (download PDF)

Randel, William, Laura Pan, Andrew Gettelman, Peter Hoor, Kenneth P. Bowman, and Valerie Thouret, The Extratropical UTLS: Observations, Concepts and Future Directions SPARC Newsletter 35 July 2010. for PDF

Hegglin, M. I., et al. (2010), Multimodel assessment of the upper troposphere and lower stratosphere: Extratropics, J. Geophys. Res., 115, D00M09, doi:10.1029/2010JD013884. (download PDF)

Salawitch, R. J., et al. (2010), A new interpretation of total column BrO during Arctic spring, Geophys. Res. Lett., 37, L21805, doi:10.1029/2010GL043798. (download PDF)

2009

Pan, L. L., W. J. Randel, J. C. Gille, W. D. Hall, B. Nardi, S. Massie, V. Yudin, R. Khosravi, P. Konopka, and D. Tarasick (2009), Tropospheric intrusions associated with the secondary tropopause, J. Geophys. Res., 114, D10302, doi:10.1029/2008JD011374. (download PDF)

Kunz, A., P. Konopka, R. Mueller, L. L. Pan, and C. Schiller (2009), High static stability in the mixing layer above the extratropical tropopause, J. Geophys. Res 114, D16305, doi:10.1029/2009JD011840. (download PDF)

Pittman, J. V., L. L. Pan, J. C. Wei, F. W. Irion, X. Liu, E. S. Maddy, C. D. Barnet, K. Chance, and R. S. Gao (2009), Evaluation of AIRS, IASI, and OMI ozone profile Retrievals in the extratropical tropopause region using in situ aircraft measurements, J. Geophys. Res., 114, D24109, doi:10.1029/2009JD012493. (download PDF) .

2008

Grubisic, V., J.D. Doyle, J. Kuettner, S. Mobbs, R.B. Smith, C.D. Whiteman, R. Dirks, S. Czyzyk, S.A. Cohn, S. Vosper, M. Weissmann, S. Haimov, S.F.J. De Wekker, L.L. Pan, and F.K. Chow, 2008: The Terrain-Induced Rotor Experiment. Bull. Amer. Meteor. Soc., 89, 15131533. (download PDF)

2007

Bian, J., A. Gettelman, H. Chen, and L. L. Pan (2007), Validation of satellite ozone profile retrievals using Beijing ozonesonde data, J. Geophys. Res., 112, D06305, doi:10.1029/2006JD007502.(download PDF)

Pan, L. L. , J. C. Wei, D. E. Kinnison, R. Garcia, D. J. Wuebbles, and G. P. Brasseur (2007), A set of diagnostics for evaluating chemistry-climate models in the extratropical tropopause region, J. Geophys. Res., 112, D09316, doi:10.1029/2006JD007792. (download PDF)

Randel, W. J., D. J. Seidel and L. L. Pan (2007), Observational characteristics of double tropopauses, J. Geophys. Res., 112, D07309, doi:10.1029/2006JD007904. (download PDF)

Young, L.-H., et al. (2007), Enhanced new particle formation observed in the northern midlatitude tropopause region, J. Geophys. Res., 112, D10218, doi:10.1029/2006JD008109. (download PDF)

Konopka, P., G. Guenther, R. Mueller, F. H. S. dos Santo1, C. Schiller, F. Ravegnani, A. Ulanovsky, H. Schlager, C. M. Volk, S. Viciani, L. L. Pan, D.-S. McKenna, and M. Riese (2007), Contribution of mixing to the upward transport across the TTL, Atmos. Chem. Phys., 7, 3285-3308, 2007.(download PDF)

Monahan, K. P., L. L. Pan, A. J. McDonald, G. E. Bodeker, J. Wei, S. E. George, C. D. Barnet, and E. Maddy (2007), Validation of AIRS v4 ozone profiles using ozonesondes from Lauder, NZ and Boulder, USA, J. Geophys. Res.,112, D17304, doi:10.1029/2006JD008181.(download PDF)

Pan, L. L., K. P. Bowman, M. Shapiro, W. J, Randel, R-S. Gao, T. Campos, C. Davis, S. Schauffler, B. A. Ridley, J. C. Wei, and C. Barnet (2007), Chemical behavior of the tropopause observed during the Stratosphere-Troposphere Analyses of Regional Transport (START) experiment, J. Geophys. Res., 112, D18110, doi:10.1029/2007JD008645. (download PDF)

Bowman, K. P., L. L. Pan, T. Campos, and R-S. Gao (2007), Observations of fine-scale transport structure in the upper troposphere from HIAPER, J. Geophys. Res., 112, D18111, doi:10.1029/2007JD008685.(download PDF)

Kinnison, D E., G. P. Brasseur, S. Walters, R. R. Garcia, D. A. Marsh, F. Sassi1, B. A. Boville, V. L. Harvey, C. E. Randall, L. Emmons, J. F. Lamarque, P. Hess, J. J. Orlando, X. X. Tie, W. Randel, L. L. Pan , A. Gettelman, C. Granier, T. Diehl, U. Niemeier, and A. J. Simmons (2007), Sensitivity of Chemical Tracers to Meteorological Parameters in the MOZART-3 Chemical Transport Model, J. Geophys. Res., 112, D20302, doi:10.1029/2006JD007879. (download PDF)

2006

Pan, L. L., P. Konopka, and E. V. Browell (2006), Observations and model simulations of mixing near the extratropical tropopause, J. Geophys. Res., 111, D05106, doi:10.1029/2005JD006480. (download PDF)

Wuebbles, D. J., et al. (31 total authors), 2006: Workshop on the Impacts of Aviation on Climate Change: A Report of Findings and Recommendations. Partnership for Air Transportation Noise and Emissions Reduction, Report No. PARTNER-COE-2006-004.

Wuebbles, D. J., et al. (31 total authors), 2006: Workshop on the Impacts of Aviation on Climate Change: A Report of Findings and Recommendations. Partnership for Air Transportation Noise and Emissions Reduction, Executive Summary. Report No. PARTNER-COE-2006-004-SUMMARY.

2005

Law, K., L. Pan, H. Wernli, H. Fischer, P. Haynes, R. Salawitch, B. Karcher, M. Prather, S. Doherty and A. R. Ravi, Processes governing the chemical distribution of the extra-tropical UTLS, IGAC Newsletter No 32, 2005.

2004

Pan, L. L., W. J. Randel, B. L. Gary, M. J. Mahoney, and E. J. Hintsa (2004), Definitions and sharpness of the extratropical tropopause: A trace gas perspective, J. Geophys. Res., 109, D23103, doi:10.1029/2004JD004982.(download PDF)

Randel, William and Laura Pan, Planning for UTLS science using the new HIAPER Aircraft, SPARC Newsletter, no 22, January, 2004.

2003

Kanzawa, H., T. Sugita, H. Nakajima, G.E. Bodeker, H. Oelhaf, M. Stowasser, G. Wetzel, A. Engel, U. Schmidt, I. Levin, G.C. Toon, B. Sen, J.-F. Blavier, S. Aoki, T. Nakazawa, K.W. Jucks, D.G. Johnson, W.A. Traub, C. Camy-Peyret, S. Payan, P. Jeseck, I. Murata, H. Fukunishi, M. von Koenig, H. Bremer, H. Kuellmann, J.H. Park, L.L. Pan, T. Yokota, M. Suzuki, M. Shiotani, and Y. Sasano, Validation and data characteristics of nitrous oxide and methane profiles observed by the Improved Limb Atmospheric Spectrometer (ILAS) and processed with the Version 5.20 algorithm, J. Geophys. Res., 108(D16), 8003, doi:10.1029/2002JD002458, 2003.

2002

Pan, L. L., W J. Randel, H. Nakajima, S. T. Massie, H. Kanzawa, Yasuhiro Sasano, T. Yokota, T. Sugita, S. Hayashida, and S. Oshchepkov, Satellite Observation of Dehydration in the Arctic Polar Stratosphere, Geophys. Rev. Lett.,29(8), 10.1029/2001GL014147, 2002.(PDF)

Pan, L. L., W. J. Randel, S. T. Massie, H. Kanzawa, Y. Sasano, H. Nakajima, T. Yokota, and T. Sugita, Variability of polar stratospheric water vapor observed by ILAS, J. Geophys. Res., 107(D24), 8214, doi:10.1029/2001JD001164, 2002.(download PDF)

Saitoh, N., S. Hayashida, Y. Sasano, and L. L. Pan, Characteristics of Arctic polar stratospheric clouds in the winter of 1996/1997 inferred from ILAS measurements, J. Geophys. Res., 107(D24), 8205, doi:10.1029/2001JD000595, 2002.

Kanzawa, H., C. Schiller, J. Ovarlez, C. Camy-Peyret, S. Payan, P. Jeseck, H. Oelhaf, M. Stowasser, W.A. Traub, K.W. Jucks, D.G. Johnson, G.C. Toon, B. Sen, J.-F. Blavier, J.H. Park, G.E. Bodeker, L.L. Pan, T. Sugita, H. Nakajima, T. Yokota, M. Suzuki, M. Shiotani, and Y. Sasano, Validation and data characteristics of water vapor profiles observed by the Improved Limb Atmospheric Spectrometer (ILAS) and processed with the version 5.20 algorithm, J. Geophys. Res., 107(D24), 8217, doi:10.1029/2001JD000881, 2002.

2000

Stone, E. M, L. Pan, B. J. Sandor, W. G. Read, and J. W. Waters, Spatial distributions of upper tropospheric water vapor measurements from the UARS Microwave Limb Sounder, J. Geophys. Res., 105, pp. 12149-12161, 2000.

Pan, L. L., E. J. Hintsa, E. M. Stone, E. M. Weinstock, and W. J. Randel (2000), The seasonal cycle of water vapor and saturation vapor mixing ratio in the extratropical lowermost stratosphere, J. Geophys. Res., 105(D21), 26519–26530, doi:10.1029/2000JD900401.

Kley, D. et al., SPARC Assessment of Upper Tropospheric and Stratospheric Water Vapor, WMO/TD No. 1043, SPARC Reposrt No. 2, 2000.


1992-1999 (Satellite Remote Sensing)

Wang, J., J. C. Gille, P. L. Bailey, L. Pan, D. P. Edwards, J. R. Drummond, Retrieval of Tropospheric Carbon Monoxide Profiles from High-Resolution Interferometer Observations: A New Digital Gas Correlation (DGC) Method and Applications, J. Atmos. Sci. : 56, pp. 219-232, 1999.

Wang, J., J. C. Gille, P. L. Bailey,J. R. Drummond, L. Pan, Instrument sensitivity and error analysis for the remonte sensing of tropospheric carbon monoxide by MOPITT, J. Atmos. Ocean. Tech. 16, pp. 465-477, 1999.

Pan, L., J. C. Gille, D. P. Edwards, P.L. Bailey, and C. D. Rodgers; Retrieval of tropospheric Carbon Monoxide for the MOPITT Experiment, J. Geophys. Res., 103, 32277-32290, 1998.

Pan, L., D. P. Edwards, J. C. Gille, P.L. Bailey, L.A. Rokke, J. Wang and C. D. Rodgers; Retrieval of tropospheric CO and CH4 using the MOPITT instrument, IRS'96: Current Problems in Atmospheric Radiation, Smith and Stamnes (Eds.), pp. 683-686, DEEPAK Publishing, 1997.

Massie S.T., J. E. Dye, D. Baumgardner, W. J. Randel, F. Wu, X.X. Tie, L. Pan, F. Figarol, and G. P. Brasseur, Simultaneous observations of polar stratospheric clouds and HNO3 over Scandinavia in January, 1992, Geophys. Rev. Lett., 24, pp. 595-598, 1997.

Pan, L., S. Solomon, W. Randel, J.-F. Lamarque, P. Hess, J. Gille, E.-W. Chiou, and M. P. McCormick (1997), Hemispheric asymmetries and seasonal variations of the lowermost stratospheric water vapor and ozone derived from SAGE II data, J. Geophys. Res., 102(D23),28177–28184, doi:10.1029/97JD02778.

Pan, L., J. C. Gille, C. D. Rodgers, D. P. Edwards, P.L. Bailey, L.A. Rokke and J. Wang; Analysis and characterization of the retrieval algorithm for measuring tropospheric CO using the MOPITT instrument, Optical Spectroscopic Technigues and Instrumentation for Atmopsheric and Space Research II, SPIE Proceedings Vol. 2830, pp. 159-168, 1996.

Pan, L., D. P. Edwards, J. C. Gille, M. W. Smith and J. R. Drummond, Satellite Remote Sensing of Tropospheric CO and CH4: Forward Model Studies of the MOPITT Instrument; Applied Optics, 34 pp. 6976-6988, 1995.

Pan, L., D. P. Edwards, J. C. Gille, P. L. Bailey, L.A. Rokke and C. D. Rodgers; Model studies and retrieval algorithm development for the MOPITT experiment, Passive Infrared Remote Sensing of Clouds and the Atmosphere III, SPIE Vol. 2875, pp. 154-162, 1995.

Gille, J. C., L. Pan, M. Smith, P. L. Bailey, Retrieval of carbon monoxide profiles and total methane columns from MOPITT measurements, IGARSS'94, Vol. II, pp. 684-686, 1994.

Herman, J., A. Krueger, C. Cote, Z. Ahmad, M. Forman, C. Wellemeyer, W. Byerly, L. Pan, G. Jaross, R. Hudson, V. Dosov, R.Salichov, Y. Borisov, A. Kondratiev, B. Kugaenko, and H. Samvelyn; Global ozone data from the Meteor-3/TOMS ultraviolet spectrometer, pp.877-882 Ozone in the troposphere and stratosphere, Preceedings of the Quadrennial Ozone Symposium, 1992.

Torres, O., Z. Ahmad, L. Pan, J. Herman, P. K. Bhartia, and R. McPet ers; Effect of stratospheric aerosol layers on the TOMS/SBUV ozone retrieval, pp .915-918 Ozone in the troposphere and stratosphere, Proceedings of the Quadrenni al Ozone Symposium, 1992.


Before 1992 (Atomic Physics and Quantum Optics)

Pan, L., K. T. Taylor & Charles W. Clark (1991) Convergence of rayleigh-schrödinger perturbation theory in calculations of multiphoton processes, Radiation Effects and Defects in Solids, 122-123:2,725-741, DOI: 10.1080/10420159108211502

Pan, L., K.T. Taylor and C.W. Clark, Perturbative calculation of the AC Stark effect by the complex coordinate method; Phys. Rev. A 43 6272-6283, 1991.

Pan, L., K.T. Taylor and C.W. Clark, Perturbation theory study of high harmonic generation; J. Opt. Soc. Am. B. 7 509-516, 1990.

Clark, C.W., L. Pan, and K. T. Taylor; High-order harmonic generation by hydrogenic ions; Advances in Laser Science-IV; ed. J. L. Gole, D. F. Heller, M. Lapp, W.C. Stwally (AIP, New York, 1989)

Pan, L., K.T. Taylor and C.W. Clark; High harmonic generation in hydrogenic ions; Phys. Rev. A 39 4894, 1989.

Pan, L., The Volkov-like Coulomb continuum, J. Mod. Opt. 36 877, 1989.

Pan, L., Treatments of continuum-continuum coupling in the theoretical study of ATI; Atoms in Strong Fields, NATO ASI Series B: Physics Vol. 212, pp 504-508, pp. 447-456 , Edited by C. A. Nicolaides, Charles W. Clark and Munir H. Nayfeh (Plenum, New York ) 1989.

Pan, L., K.T. Taylor and C.W. Clark; Computation of the a.c. Stark effect in the ground state of atomic hydrogen; Phys. Rev. Lett. 61 2673, 1988.

Pan, L., B. Sundaram and L Armstrong, Jr., Dressed-state perturbation theory for multiphoton ionization of atoms; J. Opt. Soc. Am. B 4 754, 1987.

Pan, L., L. Armstrong, Jr. and J. H. Eberly, Comments on the effect of the ponderomotive potential in the above-threshold ionization processes; J. Opt. Soc. Am. B 3 1319, 1986.

Pan, L., A new view of the above-threshold ionisation problem: a thermodynamic model; J. Phys. B: At. Mol. Phys. 18 L833, 1985.

Edwards, M., L. Pan and L. Armstrong, Jr.; Model study of above threshold multiphoton ionisation in strong fields, J. Phys. B: At. Mol. Phys.18 1927, 1985.

Edwards, M., L. Pan and L. Armstrong, Jr.; Model study of multiphoton ionisation in strong fields, J. Phys. B: At. Mol. Phys. 17 L515, 1984.