A project led by Prof. Wallace Wai Lok Lai, Associate Head (Teaching) and Professor of the Department of Land Surveying and Geo-informatics, seeks to reveal and record the city’s lost history hidden underground by utilising cutting-edge geospatial technologies and to launch public education programmes to promote the conservation and better understanding of the city’s cultural heritage. The team has recently uncovered “lost and found” stories from

6 Jun 2025

Forests, which cover 31 % of Earth’s land surface, play a vital role in the global climate system, carbon sequestration, and energy cycles. Monitoring forest ecosystems is therefore essential for understanding their dynamics and guiding sustainable management practices.   Prof. Tiangang Yin, from the Department of Land Surveying and Geo-informatics (LSGI), leads the 3-D Sensing, Modeling, and Data Intelligence (3MSI) Lab (https://www.3msi.net/

5 Jun 2025

Prof. Wallace LAI Wai-Lok, Associate Head (Teaching) of the Department of Land Surveying and Geo-Informatics (LSGI) was recently featured on ViuTV’s renowned current affairs programme, "Now Report" (《經緯線》). This episode focused on revitalization of World War II air-raid shelters in Hong Kong and the challenges might be encountered.   During the programme, Prof. Lai shared how 21st-century geospatial and geophysical technologies are being applied

2 Jun 2025

The Department of Land Surveying and Geo-Informatics (LSGI) at The Hong Kong Polytechnic University held its annual retreat on 26-27 May 2025, at the Hyatt Regency Hengqin in Zhuhai, Mainland China. This event brought together teaching, academic, and selected administrative staff to discuss strategies for advancing the department's educational and research goals, as well as promoting the department. Following an opening address by Department Head

28 May 2025

The PolyU JUPAS Consultation Day 2025 was concluded successfully on 24 May 2025 (Saturday). On the day of event, many recent HKDSE candidates and their parents showed great interest in the scheme programme offered by our department.  In addition to visiting our consultation counter to inquire about JUPAS subject selection strategies, students and parents also attended our admission seminar with surveying equipment demonstration to gain a deeper u

26 May 2025

The Department of Land Surveying and Geo-Informatics (LSGI) at The Hong Kong Polytechnic University is proud to announce “The 2nd International Conference on Geomatics Education – AI for Geomatics Education: Perspectives and Challenges (ICGE 2025)” will be held during 3-5 Dec 2025.   ICGE 2025 will bring together global educators, researchers, and industry leaders to explore the transformative role of AI in advancing geospatial science education.

21 May 2025

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

On 17 May 2025, Ir. Prof. Wallace Lai, Associate Head of Department (Teaching) from LSGI and Prof. Chi Man Kwong from Hong Kong Baptist University (HKBU) were invited to be guest speakers for a feature talk " Unfolding HK Lost WWII Heritage with Geo-Spatial Science " at the Geospatial Lab. The talk attracted 42 participants who attended in person and 80 people participated online. We sincerely thank all participants for their enthusiastic engagem

20 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

The third Workshop on Atmospheric and Coastal Observations for Weather Servicing (ACOWS 2024) was hosted by Prof. George Liu at the Department of Land Surveying & Geo-Informatics (LSGI), the Hong Kong Polytechnic University (PolyU) during 2-3 April 2025. This year’s theme, “Data Assimilation for a Better Weather Forecasting”, brought together experts to explore cutting-edge advancements in weather prediction methodologies. Renowned scientists fro

14 May 2025