Assimilating space-based Thermospheric Neutral Density (TND) data into the TIE-GCM coupled model during periods with low and high solar activity

Mona Kosary1, Ehsan Forootan2, Saeed Farzaneh1 and Maike Schumacher2, (1)School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran, (2)Geodesy Group, Department of Planning, Aalborg University, Aalborg, Denmark