SA018
Resolving the Generation Mechanisms of Traveling Ionospheric Disturbances (TIDs)

Session ID#: 79889

Session Description:
Traveling Ionospheric Disturbances are a common occurrence in the ionosphere at all latitudes. It is believed that there are a number of processes responsible for their generation including: the Perkins instability, atmospheric gravity waves and high latitude forcing. This session will focus on understanding the origin of TIDs and methods to distinguish TIDs with differing generation mechanisms. It will provide a forum for recent TID studies and ideas for future research directions. Both modeling and data studies of TIDs are welcome in this session. In particular, we are interested in how to use multi-instrument approaches to better understand the phenomena. 
Index Terms:

2427 Ionosphere/atmosphere interactions [IONOSPHERE]
2447 Modeling and forecasting [IONOSPHERE]
2471 Plasma waves and instabilities [IONOSPHERE]
2494 Instruments and techniques [IONOSPHERE]

Primary Convener:  Kate Zawdie, US Naval Research Laboratory, Washington, DC, United States
Conveners:  Jeffrey Klenzing, NASA Goddard Space Flight Center, Greenbelt, MD, United States and Stephen Roland Kaeppler, Clemson University, Clemson, SC, United States
Primary Liaison:  Kate Zawdie, Naval Research Laboratory, Washington, DC, United States
 
Nighttime MSTIDs and coupling with sporadic-E layers (Invited) (489295)
Tatsuhiro Yokoyama, Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan
 
Real-Time identification of Travelling Ionospheric Disturbances resulted from the TechTIDE project. (Invited) (497263)
Anna Belehaki1, Estefania Blanch2, David Altadill2, Ioanna Tsagouri3, Ivan A Galkin4, J.Miguel Juan5, Claudia Borries6, Dalia Buresova7, Antoni Segara2, TechTIDE Project8 and The Horizon 2020 TechTIDE project team, (1)National Observatory of Athens, IAASARS, Athens, Greece, (2)Observatori de l'Ebre, Roquetes, Spain, (3)National Observatory of Athens, Athens, Greece, (4)Borealis Global Designs, Varna, Bulgaria, (5)Universitat Politècnica de Catalunya, Research Group of Astronomy and Geomatics, Barcelona, Spain, (6)German Aerospace Center Neustrelitz, Neustrelitz, Germany, (7)Czech Academy of Sciences, Institute of Atmospheric Physics, Prague, Czech Republic, (8)TechTIDE HORIZON 2020 Project, Penteli, Greece
 
GPS Virtual Array Beamforming of Ionospheric Total Electron Content Disturbances Associated with Solar Eclipses (502390)
Demian Gomez, Ohio State University, Columbus, OH, United States and Robert Smalley Jr, University of Memphis, Center for Earthquake Research and Information, Memphis, TN, United States
 
Multi-event analysis of oscillatory motion of medium-scale traveling ionospheric disturbances observed by a 630-nm airglow imager over Tromsø (513220)
Sneha Yadav1, Kazuo Shiokawa2, Shin-ichiro Oyama3 and Yuichi Otsuka3, (1)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (2)Nagoya Univ, Aichi, Japan, (3)Nagoya University, Nagoya, Japan
 
On the conjugacy of TIDs using a large network of GPS receivers in the American sector (515687)
Cesar Enrique Valladares, University of Texas at Dallas, Richardson, TX, United States
 
Comparison of gravity waves from multi-instrument measurements in the African and American midlatitude sectors during quiet geomagnetic conditions (517454)
Zama Thobeka Katamzi-Joseph1, Jonathan J Makela2, Matthew Grawe3, Carlos R. Martinis4 and John Bosco Habarulema1, (1)South African National Space Agency, Hermanus, South Africa, (2)University of Illinois, Urbana, IL, United States, (3)University of Illinois at Urbana Champaign, Department of Electrical and Computer Engineering, Urbana, IL, United States, (4)Boston University, Center for Space Physics, Boston, MA, United States
 
Comparison of daytime medium-scale traveling ionospheric disturbance between GPS observation and GAIA simulation (529071)
Mani Sivakandan1, Yuichi Otsuka1, Priyanka Ghosh1, Hiroyuki Shinagawa2, Yasunobu Miyoshi3, Atsuki Shinbori1, Takuya Tsugawa2 and Michi Nishioka2, (1)Nagoya University, Nagoya, Japan, (2)National Institute of Information and Communications Technology (NICT), Tokyo, Japan, (3)Kyushu University, Fukuoka, Japan
 
Ionospheric Response to the July 2, 2019 South American Solar Eclipse (545208)
Olusegun Folarin Jonah1, Anthea Coster1, Shunrong Zhang1, Larisa P Goncharenko2, Philip John Erickson1, Bill Rideout3, Eurico R De Paula4 and Rodolfo de Jesus5, (1)MIT Haystack Observatory, Westford, MA, United States, (2)MIT, Pepperell, MA, United States, (3)MIT Haystack Observatory, Westford, United States, (4)INPE National Institute for Space Research, Aeronomy Division, Sao Jose dos Campos, Brazil, (5)National Institute for Space Research (INPE), Aeronomy, São José dos Campos, Brazil
 
Geomagnetic Activity and Generation of TIDs (558676)
Anastasia Newheart, Rice University, Houston, TX, United States, Stanislav Y Sazykin, Rice University, Physics and Astronomy Department, Houston, TX, United States and Anthea Coster, MIT Haystack Observatory, Westford, MA, United States
 
Observations of TIDs from Multiple Generation Mechanisms using 630.0 nm MANGO Airglow Data (561452)
Elizabeth A Kendall, SRI International Menlo Park, Menlo Park, CA, United States and Asti Bhatt, SRI International, Menlo Park, CA, United States
 
A detailed study of the MSTIDs observed over Puerto Rico during minimum solar activity. (569185)
Pedrina T Santos, University of Central Florida, FSI/ Arecibo Observatory, Orlando, PR, United States, Fabio Vargas, University of Illinois at Urbana Champaign, Urbana, IL, United States and Christiano Garnett Marques Brum, Arecibo Observatory, Arecibo, PR, United States
 
Monitoring Sporadic E Layer Using GNSS Radio Occultation Observed from Spire's Cubesat Constellation (579989)
Giorgio Savastano1, Karl Nordstrom2, Matthew Angling2, Vu Nguyen3, Timothy Duly3, Takayuki Yuasa4 and Dallas S Masters3, (1)Spire Global, Inc., Luxembourg, Luxembourg, (2)Spire Global UK, Ltd, Glasgow, United Kingdom, (3)Spire Global, Inc., Boulder, CO, United States, (4)Spire Global Singapore, Pte. Ltd., Singapore, Singapore
 
Modeling Electrodynamics of Traveling Ionospheric Disturbances Induced by Localized Acoustic and Gravity Wave Forcing (585080)
Matthew D Zettergren, Jonathan B Snively and Pavel Inchin, Embry-Riddle Aeronautical University, Daytona Beach, FL, United States
 
A Traveling Ionospheric Disturbance Activity Index (586627)
Anthea Coster1, Shunrong Zhang1, Larisa P Goncharenko2, Olusegun Folarin Jonah1 and Evan G Thomas3, (1)MIT Haystack Observatory, Westford, MA, United States, (2)MIT, Pepperell, MA, United States, (3)Dartmouth College, Thayer School of Engineering, Hanover, NH, United States
 
Global Distribution of Medium-Scale Traveling Ionospheric Disturbances and Its Association with E Region Irregularities (590310)
Woo Kyoung Lee1,2, Hyosub Kil3, Byung-Kyu Choi1, Yang Tae-yong1 and Young-Sil Kwak1,2, (1)Korea Astronomy and Space Science Institute, Daejeon, South Korea, (2)University of Science and Technology, Daejeon, South Korea, (3)The Johns Hopkins University Applied Physics Laboratory, Laurel, MD, United States
 
Observations and Modeling of Convectively Generated Acoustic Waves in the Ionosphere (618085)
Syed Irfan Azeem, Atmospheric and Space Technology Research Associates, LLC, Boulder, CO, United States and Richard L Walterscheid, Embry-Riddle Aeronautical University, Department of Physical Sciences, Daytona Beach, FL, United States
 
Global Tracing of Large‐scale Traveling Ionospheric Disturbances from their Origination at Auroral Zones (626318)
Irina Zakharenkova, University of Warmia and Mazury in Olsztyn, Space Radio-Diagnostics Research Centre, Olsztyn, Poland; IZMIRAN RAS, Kaliningrad, Kaliningrad, Russia, Iurii Cherniak, University Corporation for Atmospheric Research, Boulder, United States and Paul Prikryl, University of New Brunswick, Physics Department, Fredericton, NB, Canada; Natural Resources Canada, Geomagnetic Laboratory, Ottawa, ON, Canada
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