SA53C:
Progress in Observations, Modeling, and Understanding of the Chemistry and Dynamics of the Earth's Mesosphere II

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Session ID#: 18286

Session Description:
The mesosphere is an important transition zone through which atmospheric disturbances below connect with the thermosphere above.  Also, solar effects play a key role in coupling from above that is manifested by changes in the mesosphere region.  Consequently the mesosphere harbors key information on dynamics, chemistry, long-term atmospheric change, vertical coupling and the role of solar forcing.  Missions such as AIM, TIMED, SNPP, SBUV and AIRS have provided significant advances in space observations of temperature, gases, ice layers, particulates which serve as ice nucleation sites and lower atmosphere dynamics sources. Sophisticated multidimensional models now incorporate new dynamics mechanisms, microphysics calculations and crucial tools to understand coupling between mesopause ice layers and the local environment. We solicit papers discussing the composition, structure and variability of the MLT environment, ice nucleation sources and processes, vertical and meridional coupling, model advances and the extent and causes of long-term changes.
Primary Convener:  James M Russell III, Hampton University, Department of Atmospheric and Planetary Sciences, Hampton, VA, United States
Conveners:  Daniel Robert Marsh, National Center for Atmospheric Research, High Altitude Observatory, Boulder, CO, United States and Scott Martin Bailey, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
Chairs:  Diego Janches, NASA Goddard Space Flight Center, Greenbelt, United States and James M Russell III, Hampton University, Department of Atmospheric and Planetary Sciences, Hampton, VA, United States
OSPA Liaison:  Daniel Robert Marsh, National Center for Atmospheric Research, High Altitude Observatory, Boulder, CO, United States
Index Terms:

0305 Aerosols and particles [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0340 Middle atmosphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
3303 Balanced dynamical models [ATMOSPHERIC PROCESSES]
3332 Mesospheric dynamics [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Using MLT Composition Observations to Evaluate Transport in a Comprehensive High Top Model (Invited) (117974)
Anne K Smith, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling, Boulder, United States
Constraints on vertical transport near the polar summer mesopause from PMC observations and modelling (Invited) (118993)
Markus Rapp, German Aerospace Center (DLR) Oberpfaffenhofen, Institute of Atmospheric Physics, Oberpfaffenhofen, Germany, Henrike Wilms, German Aerospace Center (DLR), Institute of Atmospheric Physics, Wessling, Germany and Annekatrin Kirsch, Leibniz Institute of Atmospheric Physics, Kühlungsborn, Germany
Decadal Variability in PMCs and Implications for Changing Temperature and Water Vapor in the Upper Mesosphere (Invited) (136162)
Mark Eugene Hervig, GATS, Inc., Newport News, VA, United States, Uwe Berger, Leibniz Institute of Atmospheric Physics, Kühlungsborn, Germany and David E Siskind, US Naval Research Laboratory, Space Science Division, Washington, DC, United States
Mesospheric nitric oxide transport: Model-data comparisons and ionospheric implications (157954)
David E Siskind, US Naval Research Laboratory, Space Science Division, Washington, DC, United States, Fabrizio Sassi, Naval Research Lab DC, Washington, United States, Martin Friedrich, Graz University of Technology, Graz, Austria and Mark Eugene Hervig, GATS, Inc., Newport News, VA, United States
Using Meteoric Ablation to Constrain Vertical Transport in the Upper Mesosphere (175789)
John M C Plane, University of Leeds, Leeds, LS2, United Kingdom, Juan Diego Carrillo-Sánchez, University of Leeds, Leeds, United Kingdom, David Nesvorny, Southwest Research Institute, Boulder, United States, Petr Pokorný, Western University, Department of Physics and Astronomy, Ontario, Canada and Diego Janches, NASA Goddard Space Flight Center, Greenbelt, United States
The Influence of Planetary Waves on Polar Mesospheric Clouds (Invited) (194342)
Jeff Allen France, White Ridge Solutions, LLC, Hagerstown, United States, Cora E Randall, University of Colorado at Boulder, Boulder, CO, United States, V Lynn Harvey, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, David E Siskind, US Naval Research Laboratory, Space Science Division, Washington, DC, United States, Jerry D Lumpe, Computational Physics Inc. Boulder, Boulder, CO, United States, Scott Martin Bailey, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, Justin N Carstens, Virginia Polytechnic Institute and State University, Bradley Department of Electrical and Computer Engineering, Blacksburg, VA, United States and James M Russell III, Hampton University, Department of Atmospheric and Planetary Sciences, Hampton, VA, United States
Modulation of Madden–Julian Oscillation on the polar mesospheric clouds (145970)
Tao Li1, Chengyun Yang1, Xiao Liu2, Jia Yue3, James M Russell III4 and Xiankang Dou1, (1)University of Science and Technology of China, Hefei, China, (2)Henan Normal University, Xinxiang, China, (3)GSFC, NASA, Greenbelt, United States, (4)Hampton University, Department of Atmospheric and Planetary Sciences, Hampton, VA, United States
Long-term Changes Of Global Gravity Waves Derived From SABER Temperature Observations (155282)
Xiao Liu, Henan Normal University, College of Mathematics and Information Science, XinXiang, China, Jia Yue, GSFC, NASA, Greenbelt, United States, Jiyao Xu, National Space Science Center, Chinese Academy of Sciences, Beijing, China, Rolando R Garcia, National Center for Atmospheric Research, Boulder, CO, United States, James M Russell III, Hampton University, Department of Atmospheric and Planetary Sciences, Hampton, VA, United States, Martin G Mlynczak, NASA Langley Research Ctr, Hampton, United States and Dong Liang Wu, NASA Goddard Space Flight Center, Greenbelt, United States

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