The development of smart cities contributes to inclusive growth, resilience, and global sustainability efforts, and thus plays a crucial role in advancing the Sustainable Development Goals (SDGs).   Prof. Chengxiang Zhuge, Assistant Professor from the Department of Land Surveying and Geo-informatics (LSGI) is leading the TIP research group focusing on Technology innovation, Infrastructure planning and Policy making in Smart Cities. They consider

19 May 2025

The increasing frequency of once-in-a-decade agricultural and ecological drought has underscored the urgency of studying hydrological changes. A research team from the Department of Land Surveying and Geo-informatics of The Hong Kong Polytechnic University (PolyU) has collaborated with international experts to analyse the estimated changes in land water storage over the past 40 years by utilising space geodetic observation technology and global

15 May 2025

On 27 March 2025, the Department of Land Surveying and Geo-Informatics (LSGI) welcomed a visit from the Royal Institution of Chartered Surveyors (RICS) for an Accreditation and Reaccreditation review. This visit reflects LSGI’s ongoing efforts to maintain quality education and industry relevance. During the one-day visit, the RICS team toured LSGI’s facilities, including various laboratories and survey equipment store, to understand the resources

14 Apr 2025

Urbanization brings rapid development but also exacerbates geological and environmental risk, such as land subsidence, infrastructure instability, and landslides. These challenges threaten the safety of millions and demand advanced monitoring solutions. Prof. Guoqiang Shi and his team work on urban remote sensing, leveraging Interferometric Synthetic Aperture Radar (InSAR) to monitor and analyse urban geological vulnerabilities from underground,

10 Apr 2025

Prof. Yang Xu, Associate Head of Partnership and Associate Professor, has been awarded the prestigious Outstanding Alumni Award by the Department of Geography and Sustainability at the University of Tennessee, Knoxville. This accolade celebrates Prof. Xu's remarkable mid-career achievements and his significant contributions to the field of Geographic Information Science. University of Tennessee, Knoxville (UTK) is a public land-grant research uni

28 Mar 2025

Dr. Jiaqi Tian, a former Ph.D. graduate from the Department of Land Surveying and Geo-Informatics (LSGI) at the Hong Kong Polytechnic University (PolyU), has been appointed as a tenure-track assistant professor at the International Institute of Earth System Science (ESSI) at Nanjing University. Under the mentorship of Professor Xiaolin Zhu and through his work at the PRIDE (PolyU Remote Sensing Intelligence for Dynamic Earth) Lab, Dr. Tian ear

20 Mar 2025

The Hong Kong Polytechnic University (PolyU) has achieved impressive global rankings, highlighting its academic excellence. PolyU's Geography programme is ranked 37th in the QS World University Rankings by Subject 2025, and its overall QS ranking has risen to 57th in 2025. The Remote Sensing discipline has also advanced significantly, moving from 38th in 2023 to 15th in the ShanghaiRanking's Global Ranking of Academic Subjects 2024. These accompl

12 Mar 2025

On 22 February 2025, Ir. Prof. Wallace Lai, Associate Head of Department (Teaching) was invited to be the guest speaker for a feature talk "Seeing and Unseen Underground Utilities in 3D" at the Geospatial Lab. The talk attracted 23 participants who attended in person and 30 people participated online. We sincerely thank all participants for their enthusiastic engagement and the support from Geospatial Lab. This presentation explored the intricaci

22 Feb 2025

We are thrilled to share that Prof. Jianli CHEN, Professor of the Department of Land Surveying and Geo-informatics (LSGI) together with a team of global researchers, have integrated various modern space geodetic techniques, particularly satellite positioning data, to monitor the subsidence of vertical bedrock and successfully quantify summer water storage in the Greenland ice sheet. This groundbreaking research, published in the prestigious journ

19 Feb 2025

From 4 to 10 January 2025, a group of 24 LSGI students, led by Prof. Wallace Lai, Prof. Qing Pei, Miss Stella Tse from Department of Land Surveying and Geo-Informatics (LSGI) visited Osaka and Kyoto for a 7-day study tour supported by the university. The aim of this tour was to explore the elements of spatial data science and smart cities.    At the Osaka City Abeno Disaster Prevention Center, students engaged in practical exercises that illustra

10 Jan 2025