Yu, T., Wang, W., Ren, Z., Cai, X., Yue, X., & He, M. (2021). The response of middle thermosphere (∼160 km) composition to the 20-21 November 2003 superstorm. Journal of Geophysical Research: Space Physics, 126, e2021JA029449. https://doi.org/10.1029/2021JA029449
Laskar, F. I., Eastes, R. W., Codrescu, M. V., Evans, J. S., Burns, A. G., Wang, W., et al. (2021). Response of GOLD Retrieved Thermospheric Temperatures to Geomagnetic Activities of Varying Magnitudes. Geophysical Research Letters, 48, e2021GL093905. https://doi.org/10.1029/2021GL093905
Cai, X., Burns, A. G., Wang, W., Qian, L., Pedatella, N., Coster, A., et al. (2021). Variations in thermosphere composition and ionosphere total electron content under ‘geomagnetically quiet’ conditions at solar-minimum. Geophysical Research Letters, 48, e2021GL093300. https://doi.org/10.1029/2021GL093300
Cai, X., Burns, A. G., Wang, W., Qian, L., Solomon, S. C., Eastes, R. W., et al. (2021). Investigation of a neutral ‘tongue’ observed by GOLD during the geomagnetic storm on May 11,2019. Journal of Geophysical Research: Space Physics, 126, e2020JA028817. https://doi.org/10.1029/2020JA028817
Cai, X., Burns, A. G., Wang, W., Qian, L., Liu, J., Solomon, S. C., et al. (2021). Observation of Postsunset OI 135.6 nm radiance Enhancement over South America by the GOLD Mission. Journal of Geophysical Research: Space Physics, 126, e2020JA028108. https://doi.org/10.1029/2020JA028108
Cai, X., Burns, A. G., Wang, W., Qian, L., Solomon, S. C., Eastes, R. W., et al. (2020). The two‐dimensional evolution of thermospheric ∑O/N2 response to weak geomagnetic activity during solar‐minimum observed by GOLD. Geophysical Research Letters, 47, e2020GL088838. https://doi.org/10.1029/2020GL088838
Cai, X., Burns, A. G., Wang, W., Coster, A., Qian, L., Liu, J., et al. (2020). Comparison of GOLD nighttime measurements with total electron content: preliminary results. Journal of Geophysical Research: Space Physics, 125, e2019JA027767. https://doi.org/10.1029/2019JA027767
Yu, T., Ren, Z., Le, H., Wan, W., Wang, W., & Cai, X., et al. (2020). Seasonal variation of O/N2 on different pressure levels from GUVI limb measurements. Journal of Geophysical Research: Space Physics, 125, e2020JA027844. https://doi.org/10.1029/2020JA027844
Eastes, R. W., McClintock, W. E., Burns, A. G., Anderson, D. N., Andersson, L., Aryal, S., et al. (2020).Initial observations by the GOLD mission. Journal of Geophysical Research: Space Physics, 125, e2020JA027823. https://doi.org/10.1029/2020JA027823
Cai, X., Yuan, T., Eccles, J. V., & Raizada, S. (2019). Investigation on the distinct nocturnal secondary sodium layer behavior above 95 km in winter and summer over Logan, UT (41.7°N, 112°W) and Arecibo Observatory, PR (18.3°N, 67°W). Journal of Geophysical Research: Space Physics, 124, 9610– 9625. https://doi.org/10.1029/2019JA026746
Cai, X., Yuan, T., Eccles, J. V., Pedatella, N. M., Xi, X., Ban, C., & Liu, A. Z. (2019). A Numerical Investigation on the Variation of Sodium Ion and Observed Thermospheric Sodium Layer at Cerro Pachón, Chile During Equinox. Journal of Geophysical Research: Space Physics, 124, 10395– 10414. https://doi.org/10.1029/2018JA025927
Mondal, S., Sarkhel, S., Agarwal, J., Chakrabarty, D., Sekar, R., Yuan, T., et al. (2019). On the long lasting “C‐type” structures in the sodium lidargram: The lifetime of Kelvin‐Helmholtz billows in the mesosphere and lower thermosphere region. Journal of Geophysical Research: Space Physics, 124, 3110– 3124. https://doi.org/10.1029/2019JA026630
Cai, X., Yuan, T., & Eccles, J. V. (2017). A numerical investigation on tidal and gravity wave contributions to the summer time Na variations in the midlatitude E region. Journal of Geophysical Research: Space Physics, 122, 10,577– 10,595. https://doi.org/10.1002/2016JA023764
Cai, X., T. Yuan, and Liu, H.-L. (2017): Large-scale gravity wave perturbations in the mesopause region above Northern Hemisphere midlatitudes during autumnal equinox: a joint study by the USU Na lidar and Whole Atmosphere Community Climate Model, Ann. Geophysics., 35, 181-188, doi:10.5194/angeo-35-181-2017.
Yuan, T., C. J. Heale, J. B. Snively, X. Cai, P.-D. Pautet, C. Fish, Y. Zhao, M. J. Taylor, W. R. Pendleton Jr, V. Wickwar, and N. J. Mitchell (2016), Evidence of dispersion and refraction of a spectrally broad gravity wave packet in the mesopause region observed by the Na lidar and Mesospheric Temperature Mapper above Logan, Utah, J. Geophys. Res. Atmos., 121, 579–594, doi:10.1002/2015JD023685.
Yuan, T., Y. Zhang, X. Cai, C.-Y. She, and L. J. Paxton (2015), Impacts of CME induced geomagnetic storms on the mid-latitude mesosphere and lower thermosphere observed by a sodium lidar and TIMED/GUVI, Geophys. Res. Lett., 42, 7295–7302, doi:10.1002/ 2015GL064860.
Cai, X., T. Yuan, Y. Zhao, P.-D. Pautet, M. J. Taylor, and W. R. Pendleton Jr (2014), A coordinated investigation of the gravity wave breaking and the associated dynamical instability by a Na lidar and an Advanced Mesosphere Temperature Mapper over Logan, UT (41.7°N, 111.8°W), J. Geophys. Res. Space Physics, 119, 6852–6864, doi:10.1002/2014JA020131.
Yuan, T., J. Wang, X. Cai, J. Sojka, D. Rice, J. Oberheide, and N. Criddle, (2014) Investigation of the seasonal and local time variations of the high-altitude sporadic Na layer (Nas) formation and the associated midlatitude descending E layer (Es) in lower E region, J. Geophys.Res. Space Physics, 119, doi:10.1002/2014JA019942.
Yuan, T., P.-D. Pautet, Y. Zhao, X. Cai, N. R. Criddle, M. J. Taylor, and W. R. Pendleton Jr. (2014), Coordinated investigation of mid-latitude upper mesospheric temperature inversion layers and the associated gravity wave forcing by Na lidar and Advanced Mesospheric Temperature Mapper in Logan, Utah, J. Geophys. Res. Atmos., 119, doi:10.1002/2013JD020586.
