Ionospheric Space Weather (eBook, ePUB)

Longitude Dependence and Lower Atmosphere Forcing
Redaktion: Fuller-Rowell, Timothy; Basu, Sunanda; Doherty, Patricia H.; Yizengaw, Endawoke

• Format: ePub

Produktbeschreibung

This monograph is the outcome of an American Geophysical Union Chapman Conference on longitude and hemispheric dependence of ionospheric space weather, including the impact of waves propagating from the lower atmosphere. The Chapman Conference was held in Africa as a means of focusing attention on an extensive geographic region where observations are critically needed to address some of the fundamental questions of the physical processes driving the ionosphere locally and globally. The compilation of papers from the conference describes the physics of this system and the mechanisms that control ionospheric space weather in a combination of tutorial-like and focused articles that will be of value to the upper atmosphere scientific community in general and to ongoing global magnetosphere-ionosphere-thermosphere (MIT) modeling efforts in particular. A number of articles from each science theme describe details of the physics behind each phenomenon that help to solve the complexity of the MIT system. Because this volume is an outcome of the research presented at this first space science Chapman Conference held in Africa, it has further provided an opportunity for African scientists to communicate their research results with the international community. In addition, the meeting and this conference volume will greatly enhance the space science education and research interest in the African continent and around the world. Ionospheric Space Weather includes articles from six science themes that were discussed at the Chapman Conference in 2012. These include: * Hemispherical dependence of magnetospheric energy injection and the thermosphere-ionosphere response * Longitude and hemispheric dependence of storm-enhanced densities (SED) * Response of the thermosphere and ionosphere to variability in solar radiation * Longitude spatial structure in total electron content and electrodynamics * Temporal response to lower-atmosphere disturbances * Ionospheric irregularities and scintillation Ionospheric Space Weather: Longitude Dependence and Lower Atmosphere Forcing will be useful to both active researchers and advanced graduate students in the field of physics, geophysics, and engineering, especially those who are keen to acquire a global understanding of ionospheric phenomena, including observational information from all longitude sectors across the globe.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 312
• Erscheinungstermin: 23. November 2016
• Englisch
• ISBN-13: 9781118929230
• Artikelnr.: 47381491

Autorenporträt

Dr. Tim Fuller-Rowell is a Senior Research Scientist and a Fellow of the Cooperative  Institute for Research in Environmental Sciences at the University of Colorado Boulder. Tim has contributed book chapters in the AGU GM series and journal articles in AGU journal JGR and Geophysical Research Letters. He has co-edited an AGU volume in the GM series. Dr. Endawoke Yizengaw is a Senior Research Scientist in the Institute for Scientific Research, at the Boston College. Endawoke has published journal articles in AGU journal JGR and Geophysical Research Letters. Ms. Patricia H. Doherty is the Director and Senior Scientist in the Institute for Scientific Research at the Boston College. Dr. Sunanda Basu is a Senior Research Physicist in the Institute for Scientific Research at the Boston College. She has been the Former Program Director of Aeronomy, NSF Division of Atmospheric & Geospace Sciences (1992-2002). She has also been the Chair, SCOSTEP Program on Climate and Weather of the Sun-Earth System (2002-2006) and former Chair of the AGU Development Board (2010-2012). Sunanda has published several journal articles in AGU journal JGR and Geophysical Research Letters.

Inhaltsangabe

Contributors vii
Preface xi
Part I Hemispherical Dependence of Magnetospheric Energy Injection and the
Thermosphere-Ionosphere Response 1
1 Interhemispheric Asymmetries in Magnetospheric Energy Input 3
Eftyhia Zesta, Athanasios Boudouridis, James M Weygand, Endawoke Yizengaw,
Mark B Moldwin, and Peter Chi
2 Simultaneity and Asymmetry in the Occurrence of Counterequatorial
Electrojet along African Longitudes 21
A Babatunde Rabiu, Olanike O Folarin, Teiji Uozumi, and Akimasa Yoshikawa
3 Stormtime Equatorial Electrojet Ground-Induced Currents: Increasing Power
Grid Space Weather Impacts at Equatorial Latitudes 33
Mark B Moldwin and Justin S Tsu
4 Differences in Midlatitude Ionospheric Response to Magnetic Disturbances
at Northern and Southern Hemispheres and Anomalous Response During the Last
Extreme Solar Minimum 41
Dalia Bureová and Jan Latovic¿ka
Part II Longitude Dependence of Storm-Enhanced Densities (SEDs) 59
5 Longitude and Hemispheric Dependencies in Storm-Enhanced Density 61
Roderick A Heelis
6 Solar Cycle 24 Observations of Storm-Enhanced Density and the Tongue of
Ionization 71
Anthea J Coster, Philip J Erickson, John C Foster, Evan G Thomas, J Michael
Ruohoniemi, and Joseph Baker
7 A Global Ionospheric Range Error Correction Model for Single-Frequency
GNSS Users 85
Norbert Jakowski and Mohammed Mainul Hoque
Part III Longitude Spatial Structure in Total Electron Content and
Electrodynamics 93
8 Determining the Longitude Dependence of Vertical E × B Drift Velocities
Associated with the Four-Cell, Nonmigrating Tidal Structure 95
David Anderson and Tzu-Wei Fang
9 Imaging the Global Vertical Density Structure from the Ground and Space
105
Endawoke Yizengaw and Brett A Carter
10 On the Longitudinal Dependence of the Equatorial Electrojet 115
Vafi Doumbia and Oswald Didier Franck Grodji
11 Tomographic Reconstruction of Ionospheric Electron Density Using
Altitude-Dependent Regularization Strength over the Eastern Africa
Longitude Sector 127
Gizaw Mengistu Tsidu, Gebreab Kidanu, and Gebregiorgis Abraha
12 Variation of the Total Electron Content with Solar Activity During the
Ascending Phase of Solar Cycle 24 Observed at Makerere University, Kampala
145
Florence M D'ujanga, Phillip Opio, and Francis Twinomugisha
13 Longitudinal Dependence of Day-to-Day Variability of Critical Frequency
of Equatorial Type Sporadic E (foEsq) 155
Emmanuel O Somoye, Andrew O Akala, Aghogho Ogwala, Eugene O Onori, Rasaq A
Adeniji-Adele, and Enerst E Iheonu
Part IV Temporal Response to Lower Atmosphere Disturbances 163
14 Impact of Migrating Tides on Electrodynamics During the January 2009
Sudden Stratospheric Warming 165
Timothy J Fuller-Rowell, Tzu-Wei Fang, Houjun Wang, Vivien Matthias, Peter
Hoffmann, Klemens Hocke, and Simone Studer
15 Simultaneous Measurements and Monthly Climatologies of Thermospheric
Winds and Temperatures in the Peruvian and Brazilian Longitudinal Sectors
175
John W Meriwether, Jonathan J Makela, and Daniel J Fisher
16 Observations of TIDs over South and Central America 187
Cesar E Valladares, Robert Sheehan, and Edgardo E Pacheco
17 Modeling the East African Ionosphere 207
Melessew Nigussie, Baylie Damtie, Endawoke Yizengaw, and Sandro M Radicella
Part V Response of the Thermosphere and Ionosphere to Variability in Solar
Radiation 225
18 Ionospheric Response to X-Ray and EUV Flux Changes During Solar Flares:
A Review 227
 Ludger Scherliess
19 Spectrally Resolved X-Ray and Extreme Ultraviolet Irradiance Variations
During Solar Flares 243
Thomas N Woods, Francis G Eparvier, and James P Mason
Part VI Ionospheric Irregularities and Scintillation 255
20 Effect of Magnetic Declination on Equatorial Spread F Bubble Development
257
Joseph D Huba
21 Global Ionospheric Electron Density Disturbances During the Initial
Phase of a Geomagnetic Storm on 5 April 2010 263
Chigomezyo M Ngwira and Anthea J Coster
Index 281