SA52A:
Challenges in Understanding Energy Budget of Ionosphere-Thermosphere: Coupling with the Solar Wind and Driving from Below I

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Session ID#: 18313

Session Description:
Energy is one of the main characteristics of a physical system which can provide a high-level description of the system dynamics. Despite a number of important studies on ionosphere-thermosphere (IT) energetics, energy sources remain not well known and the total budget is not well specified. How much energy is being transferred into the IT system from the solar wind? How can we estimate energy input into IT from below? How well do models predict the energy budget during geomagnetic storms and quiet times? What are the major forms and locations for energy inputs into IT?  Can we use direct observations to derive energy proxies? How does IT energy partitioning differ for CME and CIR-HSS storms? We invite a broad discussion of these challenging problems including innovative approaches, observations and modeling.
Primary Convener:  Olga P Verkhoglyadova, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Conveners:  Cheryl Y Huang, Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States, Martin G Mlynczak, NASA Langley Research Ctr, Hampton, United States and Yanshi Huang, HIT Harbin Institute of Technology, Shenzhen, Shenzhen, China
Chairs:  Cheryl Y Huang, Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States and Olga P Verkhoglyadova, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
OSPA Liaison:  Yanshi Huang, HIT Harbin Institute of Technology, Shenzhen, Shenzhen, China
Index Terms:

0358 Thermosphere: energy deposition [ATMOSPHERIC COMPOSITION AND STRUCTURE]
2431 Ionosphere/magnetosphere interactions [IONOSPHERE]
2437 Ionospheric dynamics [IONOSPHERE]
7959 Models [SPACE WEATHER]

Abstracts Submitted to this Session:

M-I Coupling: How do we address this global dynamic problem? (Invited) (119547)
Jesper W Gjerloev, Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
Gravity Wave Momentum and Energy Fluxes: From Tropopause to Lower Thermosphere (Invited) (118417)
Hanli Liu, National Center for Atmospheric Research, Boulder, CO, United States
Defining the Space Atmosphere Interaction Region (SAIR) (126812)
Jan Josef Sojka1, Michael David2 and Robert Walter Schunk2, (1)Center for Atmospheric and Space Sciences, Utah State University, Physics, Logan, UT, United States, (2)Utah State University, Logan, UT, United States
Precipitated Electron Fluxes Formation in the Region of Diffuse Aurora: The Role of MI Coupling (126043)
George V Khazanov, NASA Goddard Space Flight Center, Greenbelt, United States, David G Sibeck, NASA/GSFC, Greenbelt, United States and Eftyhia Zesta, NASA Goddard Space Flight Center, Greenbelt, MD, United States
Contribution of Electric and Magnetic Field Variability to the Energy Input into Ionosphere-Thermosphere System (149802)
Yanshi Huang1, Cheryl Y Huang2 and Yi-Jiun Su2, (1)HIT Harbin Institute of Technology, Shenzhen, Shenzhen, China, (2)Air Force Research Laboratory Albuquerque, Albuquerque, NM, United States
Nonmigrating tidal impact on the CO2 15 μm infrared cooling of the lower thermosphere over one solar cycle (126552)
Nirmal Nischal, Clemson University, Clemson, SC, United States, Jens Oberheide, Clemson University, Clemson, United States, Martin G Mlynczak, NASA Langley Research Ctr, Hampton, United States, Linda A Hunt, SSAI, Hampton, VA, United States and Astrid I Maute, University of Colorado, Boulder, CIRES, Boulder, United States
Quantifying the sources of ionospheric day-to-day variability (145736)
Tzu-Wei Fang1, Timothy J Fuller-Rowell2, Tomoko Matsuo1 and Valery A Yudin1, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)University of Colorado at Boulder, CIRES, Boulder, United States

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