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K. G. Ratovsky and Chernihiv, M. A., Simulation of the system response of the thermosphere ionosphere on FLASH stratospheric warming in 2008 and 2009, Space Research, vol. 51, no. 1, pp. 62-72, 2013.
Z. Ren, Wan, W., Xiong, J., and Liu, L., Simulated wave number 4 structure in equatorial F -region vertical plasma drifts, Journal of Geophysical Research, vol. 115, no. A5, 2010.
J. M. Retterer, Forecasting low-latitude radio scintillation with 3-D ionospheric plume models: 1. Plume model, Journal of Geophysical Research, vol. 115, no. A3, 2010.
P. G. Richards, Meier, R. R., and Wilkinson, P. J., On the consistency of satellite measurements of thermospheric composition and solar EUV irradiance with Australian ionosonde electron density data, Journal of Geophysical Research, vol. 115, no. A10, 2010.
P. G. Richards, Nicolls, M. J., St.-Maurice, J. - P., Goodwin, L., and Ruohoniemi, J. M., Investigation of sudden electron density depletions observed in the dusk sector by the Poker Flat, Alaska incoherent scatter radar in summer, Journal of Geophysical Research: Space Physics, vol. 119, no. 12, pp. 10,608 - 10,620, 2014.
A. D. Richmond and Fang, T. - W., Electrodynamics of the equatorial evening ionosphere: 2. Conductivity influences on convection, current, and electrodynamic energy flow, Journal of Geophysical Research: Space Physics, p. n/a - n/a, 2015.
H. Rishbeth and Müller-Wodarg, I. C. F., Why is there more ionosphere in January than in July? The annual asymmetry in the F2-layer, in Annales Geophysicae, 2006.
H. Rishbeth, Meddillo, M., Huang, C. - L., Pi, X., and Meier, R., Morphology of the equatorial anomaly and equatorial plasma bubbles using image subspace analysis of Global Ultraviolet Imager data, Journal of Geophysical Research-Part A-Space Physics , vol. 110, no. A11, 2005.
F. S. Rodrigues, Hysell, D. L., and de Paula, E. R., Coherent backscatter radar imaging in Brazil: large-scale waves in the bottomside F-region at the onset of equatorial spread F, in Annales Geophysicae, 2008.
P. L. Rothwell, Jasperse, J. R., and Grossbard, N. J., Comparison of penetration electric fields created by the solar wind with Jicamarca data using SWAGE, Journal of Geophysical Research, vol. 117, no. A9, 2012.
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Y. Sahai, de Jesus, R., Fagundes, P. R., Selhorst, C. L., de Abreu, A. J., S. Ram, T., Aragon-Angel, A., Pillat, V. G., Abalde, J. R., Lima, W. L. C., and Bittencourt, J. A., Effects observed in the equatorial and low latitude ionospheric F-region in the Brazilian sector during low solar activity geomagnetic storms and comparison with the COSMIC measurements, Advances in Space Research, vol. 50, no. 10, pp. 1344 - 1351, 2012.
Y. Sahai, Becker-Guedes, F., Fagundes, P. R., Lima, W. L. C., De Abreu, A. J., Guarnieri, F. L., Candido, C. M. N., and Pillat, V. G., Unusual ionospheric effects observed during the intense 28 October 2003 solar flare in the Brazilian sector, in Annales Geophysicae, 2008.
Y. Sahai, Fagundes, P. R., de Jesus, R., de Abreu, A. J., Crowley, G., Kikuchi, T., Huang, C. - S., Pillat, V. G., Guarnieri, F. L., Abalde, J. R., and Bittencourt, J. A., Studies of ionospheric F-region response in the Latin American sector during the geomagnetic storm of 21–22 January 2005, Annales Geophysicae, vol. 29, no. 5, pp. 919 - 929, 2011.
I. Sandahl, Sergienko, T., and Brändström, U., Fine structure of optical aurora, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, pp. 2275–2292, 2008.
L. Scherliess, Thompson, D. C., and Schunk, R. W., Longitudinal variability of low-latitude total electron content: Tidal influences, Journal of Geophysical Research, vol. 113, no. A1, 2008.
G. Schmidtke, Eparvier, F. G., Solomon, S. C., Tobiska, W. K., and Woods, T. N., The TIGER (thermospheric–ionospheric geospheric research) program: Introduction, Advances in Space Research, vol. 37, no. 2, pp. 194 - 198, 2006.
S. Sharma, Galav, P., Dashora, N., and Pandey, R., Longitudinal study of the ionospheric response to the geomagnetic storm of 15 May 2005 and manifestation of TADs, Annales Geophysicae, vol. 29, no. 6, pp. 1063 - 1070, 2011.
C. Sheng, Deng, Y., Yue, X., and Huang, Y., Height-integrated Pedersen conductivity in both E and F regions from COSMIC observations, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 115-116, pp. 79 - 86, 2014.
G. G. Shepherd, Thuillier, G., Cho, Y. - M., Duboin, M. - L., Evans, W. F. J., Gault, W. A., Hersom, C., Kendall, D. J. W., Lathuillère, C., Lowe, R. P., McDade, I. C., Rochon, Y. J., Shepherd, M. G., Solheim, B. H., Wang, D. - Y., and Ward, W. E., The Wind Imaging Interferometer (WINDII) on the Upper Atmosphere Research Satellite: A 20 year perspective, Reviews of Geophysics, vol. 50, no. 2, 2012.
P. R. Shreedevi, Thampi, S. V., Chakrabarty, D., Choudhary, R. K., Pant, T. Kumar, Bhardwaj, A., and Mukherjee, S., On the latitudinal changes in ionospheric electrodynamics and composition based on observations over the 76-77°E meridian from both hemispheres during a geomagnetic storm, Journal of Geophysical Research: Space Physics, 2016.
J. Shuai, Zhang, S. D., Huang, C. M., YI, F., Huang, K. M., Gan, Q., and Gong, Y., Climatology of global gravity wave activity and dissipation revealed by SABER/TIMED temperature observations, Science China Technological Sciences, vol. 57, no. 5, pp. 998 - 1009, 2014.
D. Shultz, 'Space bubbles' may have led to deadly battle in Afghanistan, Science AAAS, 2014. [Online]. Available: http://news.sciencemag.org/earth/2014/09/space-bubbles-may-have-led-deadly-battle-afghanistan.
K. G. Simi, Manju, G., Haridas, M. K. Madhav, Nayar, S. R. Prabhak, Pant, T. Kumar, and Alex, S., Ionospheric response to a geomagnetic storm during November 8–10, 2004, Earth, Planets and Space, vol. 65, no. 4, pp. 343 - 350, 2013.
E. Slominska, Blecki, J., Lebreton, J. - P., Parrot, M., and Slominski, J., Seasonal trends of nighttime plasma density enhancements in the topside ionosphere, Journal of Geophysical Research: Space Physics, vol. 119, no. 8, pp. 6902 - 6912, 2014.
J. J. Sojka, David, M., Schunk, R. W., and Heelis, R. A., A modeling study of the longitudinal dependence of storm time midlatitude dayside total electron content enhancements, Journal of Geophysical Research, vol. 117, no. A2, 2012.
D. Solomentsev, Cherniak, Y., Titov, A., Khattatov, B., and Khattatov, V., Towards estimation of atmospheric tidal effects on the ionosphere via data assimilation, Advances in Space Research, vol. 56, no. 9, pp. 1854 - 1862, 2015.
S. C. Solomon, Qian, L., and Burns, A. G., The anomalous ionosphere between solar cycles 23 and 24, Journal of Geophysical Research: Space Physics, vol. 118, no. 10, pp. 6524 - 6535, 2013.
S. C. Solomon, Numerical models of the E-region ionosphere, Advances in Space Research, vol. 37, no. 5, pp. 1031 - 1037, 2006.
S. C. Solomon, Burns, A. G., Emery, B. A., Mlynczak, M. G., Qian, L., Wang, W., Weimer, D. R., and Wiltberger, M., Modeling studies of the impact of high-speed streams and co-rotating interaction regions on the thermosphere-ionosphere, Journal of Geophysical Research, vol. 117, 2012.
T. Sotirelis, Korth, H., Hsieh, S. - Y., Zhang, Y., Morrison, D., and Paxton, L., Empirical relationship between electron precipitation and far-ultraviolet auroral emissions from DMSP observations, Journal of Geophysical Research: Space Physics, vol. 118, no. 3, pp. 1203 - 1209, 2013.
S. Sripathi, Kakad, B., and Bhattacharyya, A., Study of equinoctial asymmetry in the Equatorial Spread F (ESF) irregularities over Indian region using multi-instrument observations in the descending phase of solar cycle 23, Journal of Geophysical Research, vol. 116, no. A11, 2011.
A. W. Stephan, Meier, R. R., and Paxton, L. J., Comparison of Global Ultraviolet Imager limb and disk observations of column O/N 2 during a geomagnetic storm, Journal of Geophysical Research, vol. 113, no. A1, 2008.
M. H. Stevens, Gustin, J., Ajello, J. M., J. Evans, S., Meier, R. R., Kochenash, A. J., Stephan, A. W., A. Stewart, I. F., Esposito, L. W., McClintock, W. E., Holsclaw, G., E. Bradley, T., Lewis, B. R., and Heays, A. N., The production of Titan's ultraviolet nitrogen airglow, Journal of Geophysical Research, vol. 116, no. A5, 2011.
M. H. Stevens, Lossow, S., Fiedler, J., Baumgarten, G., übken, F. - J., Hallgren, K., Hartogh, P., Randall, C. E., Lumpe, J., Bailey, S. M., Niciejewski, R., Meier, R. R., Plane, J. M. C., Kochenash, A. J., Murtagh, D. P., and Englert, C. R., Bright polar mesospheric clouds formed by main engine exhaust from the space shuttle's final launch, Journal of Geophysical Research: Atmospheres, vol. 117, no. D19, p. n/a - n/a, 2012.
M. H. Stevens, Meier, R. R., Chu, X., DeLand, M. T., and Plane, J. M. C., Antarctic mesospheric clouds formed from space shuttle exhaust, Geophysical Research Letters, vol. 32, no. 13, 2005.
M. H. Stevens, Lossow, S., Siskind, D. E., Meier, R. R., Randall, C. E., Russell, J. M., Urban, J., and Murtagh, D., Space shuttle exhaust plumes in the lower thermosphere: Advective transport and diffusive spreading, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 108, pp. 50 - 60, 2014.
D. J. Strickland, Evans, J. S., and Correira, J., Comment on “Long-term variation in the thermosphere: TIMED/GUVI observations” by Y. Zhang and L. J. Paxton, Journal of Geophysical Research, vol. 117, no. A7, 2012.
D. J. Strickland, Meier, R. R., Walterscheid, R. L., Christensen, A. B., Paxton, L. J., Morrison, D., Craven, J. D., and Crowley, G., Quiet-time seasonal behavior of the thermosphere seen in the far ultraviolet dayglow, Journal of Geophysical Research, vol. 109, no. A1, 2004.
D. J. Strickland, Daniell, R. E., Meier, Jr., R. R., and Lean, J. L., E-Layer Variations During an X-Class Flare Inferred from Far Ultraviolet Dayglow Observations, Proceedings, Ionospheric Effects Symposium, Alexandria VA. 2005.
D. J. Strickland, Daniell, R. E., Meier, R. R., Lean, J. L., Straus, P. R., Morrison, M. D., and Paxton, L. J., E-Layer Variations During X-Class Flares Inferred from Far Ultraviolet Dayglow Observations, AGU Fall Meeting Abstracts, p. B1222, 2005.
D. J. Strickland, Lean, J. L., Daniell, R. E., Knight, H. K., Woo, W. K., Meier, R. R., Straus, P. R., Woods, T. N., Eparvier, F. G., McMullin, D. R., Christensen, A. B., Morrison, D., and Paxton, L. J., Constraining and validating the Oct/Nov 2003 X-class EUV flare enhancements with observations of FUV dayglow and E -region electron densities, Journal of Geophysical Research, vol. 112, no. A6, 2007.
D. J. Strickland, Lean, J. L., Meier, R. R., Christensen, A. B., Paxton, L. J., Morrison, D., Craven, J. D., Walterscheid, R. L., Judge, D. L., and McMullin, D. R., Solar EUV irradiance variability derived from terrestrial far ultraviolet dayglow observations, Geophysical research letters, vol. 31, 2004.
C. L. Su, Chen, H. C., Chu, Y. H., Chung, M. Z., Kuong, R. M., Lin, T. H., Tzeng, K. J., Wang, C. Y., Wu, K. H., and Yang, K. F., Meteor radar wind over Chung-Li (24.9°N, 121°E), Taiwan, for the period 10-25 November 2012 which includes Leonid meteor shower: Comparison with empirical model and satellite measurements, Radio Science, vol. 49, no. 8, pp. 597 - 615, 2014.
W. Bo Sui, Song, K. Fei, and Zhang, P. Jie, The Design of Space Scanning Mirror Control System Based on Optimal Tracking Controller, Advanced Materials Research, vol. 546-547, pp. 790 - 794, 2012.
Y. - Y. Sun, Matsuo, T., Araujo-Pradere, E. A., and Liu, J. - Y., Ground-based GPS observation of SED-associated irregularities over CONUS, Journal of Geophysical Research: Space Physics, vol. 118, no. 5, pp. 2478 - 2489, 2013.
S. Sunda, Vyas, B. M., and Khekale, P. V., Storm time spatial variations in TEC during moderate geomagnetic storms in extremely low solar activity conditions (2007–2009) over Indian region, Advances in Space Research, vol. 52, no. 1, pp. 158 - 176, 2013.

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