Millstone Hill ISR – COSMIC comparison

Lei, J., S. Syndergaard, A. G. Burns, S. C. Solomon, W. Wang, Z. Zeng, R. G. Roble, Q. Wu, Y.-H. Kuo, J. M. Holt, S.-R. Zhang, D. L. Hysell, F. S. Rodrigues, and C. H. Lin, Comparison of COSMIC ionospheric measurements with ground-based observations and model predictions: preliminary results, J. Geophys. Res., 112, A07308, doi:10.1029/2006JA012240, 2007.

COSMIC MHO Comparison (Overflight)

COSMIC NmF2 : DAY 152-243, 2006 @ LT 12-14 COSMIC hmF2 : DAY 152-243, 2006 @ LT 12-14

Lei, J., S. Syndergaard, A. G. Burns, S. C. Solomon, W. Wang, Z. Zeng, R. G. Roble, Q. Wu, Y.-H. Kuo, J. M. Holt, S.-R. Zhang, D. L. Hysell, F. S. Rodrigues, and C. H. Lin, Comparison of COSMIC ionospheric measurements with ground-based observations and model predictions: preliminary results, J. Geophys. Res., 112, A07308, doi:10.1029/2006JA012240, 2007.

Climatology (noon)

600

800

1000

Vsw

(km

/s)

(a)

Dec 13 Dec 14 Dec 15

-20-10

01020

Bz

(nT

) (b)

500

1500

2500

AE

(nT

) (c)

0 6 12 18 0 6 12 18 0 6 12 18 240

100

200

300

Universal Time (hour)

Ap

()

-180

-120

-60

0

Dst

(nT

) (d)

The AGU Storm (2006) – Initial Phase

Lei, J., Wenbin Wang , A. G. Burns , S. C. Solomon , A. D. Richmond , M. Wiltberger , L. Goncharenko , A. Coster , B. W. Reinisch, Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, J. Geophys. Res., 113, doi:10.1029/2007JA012807, 2008.

Lei, J., W. Wang , A. G. Burns , S. C. Solomon , A. D. Richmond , M. Wiltberger , L. Goncharenko , A. Coster , B. W. Reinisch, Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, J. Geophys. Res., 113, doi:10.1029/2007JA012807, 2008.

Ground-based GPS – CMIT 2 Comparison

Lei, J., Wenbin Wang , A. G. Burns , S. C. Solomon , A. D. Richmond , M. Wiltberger , L. Goncharenko , A. Coster , B. W. Reinisch, Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, J. Geophys. Res., 113, doi:10.1029/2007JA012807, 2008.

Millstone Hill ISR-CMIT 2 comparison

Processes Driving the Changes in O+

Lei, J., Wenbin Wang , A. G. Burns , S. C. Solomon , A. D. Richmond , M. Wiltberger , L. Goncharenko , A. Coster , B. W. Reinisch, Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, J. Geophys. Res., 113, doi:10.1029/2007JA012807, 2008.

Zeng, Z., A. G. Burns , W. Wang , J. Lei , S. C. Solomon , S. Syndergaard, L. Qian , Y.-Hwa Kuo, Ionospheric annual asymmetry observed by the COSMIC radio occultation measurements and simulated by the TIEGCM, J. Geophys. Res., 113, doi:10.1029/2007JA012897, 2008

Annual Asymmetry

Annual Asymmetry: COSMIC-TIEGCM Comparison

Weddell Sea Anomaly

Jee G., A. G. Burns, W. Wang, S. C. Solomon, R. W. Schunk, L. Scherliess, D. C. Thompson, J. J. Sojka, L. Zhu, Duration of an ionospheric data assimilation initialization of a coupled thermosphere-ionosphere model, Space Weather, 5, S01004, doi:10.1029/2006SW000250, 2007.

Lei, J., S. Syndergaard, A. G. Burns, S. C. Solomon, W. Wang, Z. Zeng, R. G. Roble, Q. Wu, Y.-H. Kuo, J. M. Holt, S.-R. Zhang, D. L. Hysell, F. S. Rodrigues, and C. H. Lin, Comparison of COSMIC ionospheric measurements with ground-based observations and model predictions: preliminary results, J. Geophys. Res., 112, A07308, doi:10.1029/2006JA012240, 2007.

Wang, W., A. G. Burns, M. Wiltberger, S. C. Solomon, and T. L. Killeen, Altitude variations of the horizontal thermospheric winds during geomagnetic storms, J. Geophys. Res., 113, A02301, doi:10.1029/2007JA012374, 2008.

Lei, J., Wenbin Wang , A. G. Burns , S. C. Solomon , A. D. Richmond , M. Wiltberger , L. Goncharenko , A. Coster , B. W. Reinisch, Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, J. Geophys. Res., 113, doi:10.1029/2007JA012807, 2008.

Jee, G., A. G. Burns, W. Wang, S. C. Solomon, R. W. Schunk, L. Scherliess, D. C. Thompson , J. J. Sojka , and L. Zhu, Driving the TING model with GAIM electron densities: ionospheric effects on the thermosphere, J. Geophys. Res., 113, doi:10.1029/2007JA012580, 2008.

Zeng, Z., A. G. Burns , W. Wang , J. Lei , S. C. Solomon , S. Syndergaard, L. Qian , Y.-Hwa Kuo, Ionospheric annual asymmetry observed by the COSMIC radio occultation measurements and simulated by the TIEGCM, J. Geophys. Res., 113, doi:10.1029/2007JA012897, 2008

Burns, A. G., W. Wang, S. C. Solomon, H. Spence, T .L. Killeen, R.E. Lopez, and E. J. Landivar, Validation of CMIT middle latitude electron densities, J. Geophys. Res., I in press, 2008.

Wang W., A. D. Richmond, J. Lei, A. G. Burns, M. Wiltberger, S. C. Solomon, T. L. Killeen, E. R. Talaat, and D. L. Hysell, Ionospheric electric field variations during geomagnetic storms simulated using a Coupled Magnetosphere Ionosphere Thermosphere (CMIT) model, Geophys. Res. Lett., submitted, 2008.

Lei, J. A. G. Burns , T. Tsugawa , W. Wang , S. C. Solomon , M. Wiltberger, Observations and simulations of quasiperiodic ionospheric oscillations and large-scale traveling ionospheric disturbances during the December 2006 geomagnetic storm, J. Geophys. Res., submitted, 2008.

Luan, X., W. Wang , A. G. Burns , S. C. Solomon , J. Lei, Mid-latitude nighttime enhancement in F-region electron density from global COSMIC measurements under solar minimum winter condition, J. Geophys. Res., submitted, 2008.

Papers

Response of the low-middle latitude ionosphere to the 14-15 December 2006 geomagnetic storm: A global perspective, J. Lei, A. D. Richmond, A. G. Burns, W. Wang, L. P. Goncharenko, A. Coster, S. Syndergaard, Z. Zeng, Y. Deng, S. C. Solomon, and B. Zhao, Space Weather Week, Boulder, CO 2007.

Ionospheric electric field variations during geomagnetic storms simulated using a Coupled Magnetosphere Ionosphere Thermosphere (CMIT) model, Wang, W., A. D. Richmond, J. Lei, A. G. Burns, M. Wiltberger, S. C. Solomon, T. L. Killeen, E. R. Talaat, and D. L. Hysell, Space Weather Week, Boulder, CO 2007.

Thermospheric Neutral Winds: Horizontal and Vertical Variations. Wenbin Wang. Invited, Institute of Geology and Geophysics, Chinese academy of Sciences, Beijing, 2007.

Space Weather Framework Using Physical Models from Sun to Earth, Wenbin Wang, invited, Chinese Meteorology

Agency, Beijing, 2007.

Observations and Model Simulations of the Ionospheric Annual Asymmetry. W. Wang, Z. Zeng, J. Lei, A. Burns, and S. Solomon, Space Science Meeting, GuiYang, 2007.

Simulating Thermospheric and Ionospheric Responses to Geomagnetic Storms Using a Coupled Magnetosphere-Ionosphere Model, W. Wang, J. Lei, A. Burns, and S. Solomon, Y. Zhang and L. J. Paxton, Space Science Meeting, GuiYang, 2007.

Mid-latitude nighttime enhancement in F-region electron density using COSMIC measurements, X. Luan, W. Wang, A. Burns, S. C. Solomon, and J. Lei, COSMIC Workshop, Boulder, CO, 2007.

Low and middle latitude westward thermospheric wind jets during geomagnetic storms, W. Wang, A. G. Burns, S. C. Solomon, M. Wiltberger, and T. L. Killeen, AGU Fall Meeting, San Francisco, California, 2007.

Residence time of flux tubes in the auroral oval, Burns, A G., Lotko, W., Wang, W., Wiltberger, M., Solomon, S C., Killeen, T L., AGU Fall Meeting, San Francisco, California, 2007.

Observations and simulations of the ionospheric and thermospheric response to the December 2006 geomagnetic storm: Initial phase, Lei, J., W. Wang, A Burns, S. C. Solomon, Richmond, A D,, Wiltberger, M., Goncharenko, L P., Coster, A., Reinisch, B W., AGU Fall Meeting, San Francisco, California, 2007.

Presentations