| Researchers led by Prof. Jianli Chen (left), Chair Professor of Space Geodesy and Earth Sciences of the PolyU Department of Land Surveying and Geo-Informatics and a core member of the Research Institute for Land and Space, and Dr Yufeng Nie (right), Research Assistant Professor of the Department of Land Surveying and Geo-Informatics, has provided the first direct observations of global ocean mass estimates between 1993 and 2022 by utilising time-variable gravity field data derived from satellite laser ranging. Photo: Hong Kong PolyU. |
