Donghe Zhang, Professor at School of Earth and Space Science of Peking University, mainly engaged in space physics, space weather, ionosphere physics teaching, has undertaken Chinese Meridian Project, NSFC, 863, 973, projects. His interests include  TEC derivation method from GNSS data, flare’s effect on ionosphere, ionospheric scintillation and its effects, the ionospheric response to sudden stratosphere warming, etc.