The correlation between Arctic wildfires and abnormal snow cover under global warming is of growing concern. A comprehensive quantitative assessment by researchers at The Hong Kong Polytechnic University (PolyU) has shown that increasingly frequent seasonal wildland fires across the Arctic in recent years have delayed snow cover formation by at least five days and could lead to a future 18-day reduction of snow cover duration, with implications f

8 Jan 2026

Groundbreaking Book Uses AI to Unlock 50 Years of Lake Victoria's Water Secrets We are pleased to announce the publication of the second edition of the transformative study, Lake Victoria from Space and AI Perspective. This pioneering work showcases how groundbreaking Artificial Intelligence (AI) applications have converted over 20 years of GRACE and GRACE-FO satellite observations into a comprehensive 50-year hydrological record for Africa's Lak

2 Jan 2026

A group of students, led by Prof. Qing PEI from the Department of Land Surveying and Geo-Informatics (LSGI) at the Hong Kong Polytechnic University (PolyU), embarked on a study tour to Beijing from 20 to 26 December, 2025. Hosted by Tsinghua University’s School of Environment, the week-long program focused on the theme of "Carbon Neutrality," providing a deep dive into the policies, market mechanisms, and technological innovations shaping China's

26 Dec 2025

Prof. Qing PEI is an Associate Professor with a joint appointment in LSGI and the Department of Chinese History and Culture at PolyU. His research group specializes in the interdisciplinary intersection of historical geography, climate-society dynamics, digital humanities, and Historical GIS. By integrating qualitative and quantitative interdisciplinary methodologies based on historical archives, the team investigates the spatiotemporal patterns

23 Dec 2025

We are proud to announce that two of LSGI's recent graduates have been recognized for their outstanding research contributions at the IEEE GRSS Hong Kong Chapter Best PhD Dissertation Awards. Dr. Shuai XU was awarded the First Prize for his dissertation titled "Employing optical and SAR imagery for enhanced mapping of vegetation and crops in challenging environments." Her research, supervised by Prof. Xiaolin ZHU, provides innovative solutions fo

18 Dec 2025

The 2025 International Graduate Student Workshop on Geo-Informatics (IGWG 2025), was successfully held on 6 December 2025, at The Hong Kong Polytechnic University (PolyU). Jointly organized by PolyU, Peking University (PKU) and Wuhan University (WHU), the workshop served as a dynamic academic platform for postgraduate students and young scholars to share cutting-edge research and foster interdisciplinary collaboration. The event drew over 80 atte

6 Dec 2025

The Department of Land Surveying and Geo-Informatics (LSGI) successfully hosted the 2nd International Conference on Geomatics Education (ICGE) at The Hong Kong Polytechnic University (PolyU) on 4 December 2025. The conference, theme “AI for Geomatics Education: Perspectives and Challenges,” brought together a diverse international community of educators, researchers, and industry professionals. Participants explored the transformative integration

4 Dec 2025

We are delighted to announce that a team of PhD students from LSGI, led by Prof. Yang XU, has won first place at the ACM SIGSPATIAL Cup 2025 (GISCUP). The team—Mr. Guangyue LI, Mr. Yuxiao LUO, Mr. Shen LIANG, and Ms. Jinghan WANG—stood out among global competitors to earn this prestigious honor at the ACM SIGSPATIAL 2025 Annual Conference in Minneapolis, USA. The ACM SIGSPATIAL Cup is a premier competition in geospatial AI. This year’s challenge,

24 Nov 2025

The 31st Congregation for the Faculty of Construction and Environment - LSGI session was held on 20 November 2025 at the Jockey Club Auditorium. Prof. Xiang-dong LI, Dean of Faculty, encouraged graduates to embody the University's motto and lead lives of purpose and fulfilment, while nurturing a sense of responsibility towards Hong Kong, the Nation, and the world. We were honored to have Mr Yue Chun CHAN, Head of Spatial Data Office of the Develo

20 Nov 2025

Ir Prof. Wallace LAI Wai-Lok, Associate Head (Teaching) of the Department of Land Surveying and Geo-Informatics (LSGI), was featured on TVB’s program “Sunday Report” on 16 November 2025, demonstrating how modern technology is unlocking the secrets of Hong Kong's WWII relics. During the programme, Prof. LAI explained the importance of preserving these historical sites through advanced digital mapping technologies. He showcased a cutting-edge immer

16 Nov 2025