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20250704_IAC Chairman as JP

土地及空間研究院國際顧問委員會主席林世雄先生獲委任為太平紳士

我們很高興宣佈,林世雄先生,國際顧問委員會主席暨前運輸及物流局局長,已獲委任為太平紳士(JP),自2025年7月1日起生效。這項崇高任命肯定了林先生在公共服務方面的卓越貢獻,以及他在交通及物流領域的出色職業成就。 在其新的角色中,林先生將繼續在塑造土地及空間研究院未來發展方面發揮關鍵作用,並與國際顧問委員會成員緊密合作,推動土地與空間領域的研究與發展。他的專業知識和領導才能對土地及空間研究院社群仍然至關重要,我們期待他繼續與我們攜手合作,指導我們的研究工作邁向創新與卓越。

2025年7月4日

20250611_RILS Public Lecture

土地及空間研究院公開講座在香港理工大學成功舉行 (只有英文版本)

The RILS Public Lecture, held on 11 June 2025 at The Hong Kong Polytechnic University (PolyU), featured Prof. Yan LIU, Professor of Geographical Information Science at Department of Geography and Resource Management, The Chinese University of Hong Kong, who delivered an enlightening talk on "Advancing Computational and Spatial Social Sciences in the Era of Big Data: Opportunities and Challenges". The lecture was chaired by Prof. Qihao WENG, Associate Director of RILS, Director of RCAIG and Chair Professor of Geomatics and Artificial Intelligence. This successful event was jointly organised by the Research Institute for Land and Space (RILS), Department of Land Surveying and Geo-Informatics (LSGI), Research Centre for Artificial Intelligence in Geomatics (RCAIG), China Harbour – PolyU Joint Research Centre for Land Development, and PolyU-Yangjiang Laboratory Joint Research Centre for Offshore Wind Power of PolyU. Prof. LIU drew on her research at the University of Queensland to showcase the diverse applications of spatial data and analytical models in unveiling urban and social changes, including modelling urban growth, human social interactions, public transport policies, and population health. She also discussed contemporary issues and challenges in spatial social science research, such as data security, privacy and accessibility, and highlighted the need for new methodologies, including AI and machine learning, to handle big data sources. The lecture concluded with Prof. LIU sharing her thoughts on future opportunities in the emerging field of Computational and Spatial Social Sciences, inspiring attendees to explore the vast potential of this interdisciplinary field.

2025年6月13日

20250613_Malacca

土地及空間研究院以尖端地理空間技術揭示馬六甲文化遺產

由土地及空間研究院成員、土地測量及地理資訊學系副系主任(教學)及教授賴緯樂教授領導的「揭示和發現遺失的古代文化遺產:推廣21世紀地理空間技術」項目,獲香港創新科技署創新及科技基金「一般支援計劃」撥款約港幣322萬元。 該項為期兩年的項目與香港浸會大學以及本地業餘戰爭歷史學家合作進行,旨在利用先進地理空間技術,發掘並記錄香港隱密的歷史遺跡。團隊運用空間對位及測繪技術、航空及地面雷射掃描、地貌分析科技等技術,對埋藏於地下的戰時遺物與古蹟的進行圖像採集,讓這些失而復得的歷史遺跡重現眼前。 為推動社區參與STEAM(科學、科技、工程、藝術及數學)教育,團隊將籌辦一系列公眾活動,包括香港戰爭遺址和歷史文化古蹟實地考察、STEAM主題研討會和講座、互動工作坊,以及沉浸式展覽等。團隊亦積極與政府部門、大學、業界夥伴、科學雜誌、非牟利機構和本地村民等多方合作,推動公眾教育及推廣地理空間技術在發掘香港隱藏歷史的應用。 2025年5月,團隊更擴大考察範圍至馬來西亞馬六甲,並於當地對聖地亞哥城門和聖保羅教堂進行三維掃描及測繪。團隊結合數碼化舊地圖和掃描及測繪技術,發現了埋藏已久的殖民地時期防禦城牆遺跡。團隊更計劃將考察行動擴展至馬來西亞其他地區和印尼等。   新聞稿:https://www.polyu.edu.hk/tc/media/media-releases/2025/0604_polyu-study-uncovering-hong-kong-s-hidden-history-with-cutting-edge-geospatial-technologies/ 網上報導: HK01 - https://polyu.me/4mNd5LL 巴士的報 - https://polyu.me/4ktud7O 點新聞 - https://polyu.me/4ksFCEP 香港新聞社- https://polyu.me/4kR8y9a 香港經濟日報 - https://polyu.me/45eqdTL (subscription required) 紫荊雜誌社 - https://polyu.me/43Jt84w  

2025年6月13日

20250402-23_ACOWS_news

土地及空間研究院共同舉辦第三屆大氣與沿岸觀測天氣服務工作坊 (只有英文版本)

The third Workshop on Atmospheric and Coastal Observations for Weather Servicing (ACOWS 2024) was hosted by Prof. George LIU, Professor at the Department of Land Surveying & Geo-Informatics (LSGI) and member of Research Institute for Land and Space (RILS), at 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 from Mainland China were invited to attend this Workshop and present their work. They are Prof. Jianhua SUN from the Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing; Prof. Yaodeng CHEN from the School of Atmospheric Sciences, Nanjing University of Information Science and Technology; Dr Yerong FENG, Director, from the Guangdong–Hong Kong–Macao Greater Bay Area Weather Research Centre for Monitoring Warning and Forecasting, Shenzhen; Dr Yuanfu XIE, Chief Scientist, from the Guangdong–Hong Kong–Macao Greater Bay Area Weather Research Center for Monitoring Warning and Forecasting, Shenzhen; Prof. Donghai WANG from the School of Atmospheric Sciences, Sun Yat-sen University; and Dr Chunqing SHANG, the Huawei Technologies Company.   Presentations focused on innovative approaches to “Forecasting of Heavy Rainfall using multi-source PWV data assimilation and ensemble prediction”, a work package being led by Prof LIU. Discussions highlighted the integration of multi-source data to enhance predictive accuracy and address climate resilience challenges. The Workshop fostered interdisciplinary collaboration, bridging academic research with operational weather servicing needs.

2025年5月14日

20250513Prof JL Chen research

土地及空間研究院研究揭示陸地土壞濕度急劇下降 陸地水流向海洋令海平面上升

隨着十年一遇農業及生態乾旱發生次數日趨頻繁,突顯了全球水文變化研究的迫切性。香港理工大學(理大)土地測量及地理資訊學系研究團隊與國際專家合作,結合現代空間大地測量觀測技術和全球水文變化數據,以創新分析方法估算過去四十年陸地水儲量變化,成功揭示土壤濕度急劇下降,大量陸地水流入海洋,導致海平面上升。研究為了解陸地水儲量劇減和海平面上升的背後驅動因素提供新見解,成果已於國際期刊《科學》發表。 地極運動反映了地球系統內的質量分布,因此整合大氣圈、水圈與岩石圈的模型及觀測結果尤為重要。然而,以往技術難以測量陸地水儲量,特別是地下水和根部區域的土壤濕度。理大土地測量及地理資訊學系教授、土地及空間研究院核心成員陳劍利教授及國際團隊採用創新的方法,利用衛星測高和衛星重力,即「重力恢復及氣候實驗衛星」(GRACE)及其接續計劃「GRACE Follow-On」現代空間大地測量觀測技術,監測全球的陸地水儲量變化,並結合全球平均海平面及地極運動數據,了解全球陸地水儲量的流失模式。研究更引入嶄新的全球土壤濕度估算方法,提升大陸與全球土壤濕度模型的估算準確度,更有效地掌握氣候變化下的土壤濕度變化。 格陵蘭融冰是導致全球海平面上升的主要因素,每年令海平面上升約0.8毫米。是次研究發現,2000年至2002年間,全球陸地水儲量明顯下降,共有16,140億噸水流入海洋,是格陵蘭融冰量的兩倍,相當於使海平面上升4.5毫米;此後,陸地水儲量持續緩慢減少,且未有任何恢復跡象。 此外,相比1979至1999年間的全球陸地平均土壤濕度,2003至2021年間的土壤濕度明顯下降。地極在2003年至2011年間更向東經93°方向偏移58厘米,此發現進一步證明了土壤濕度持續下降,令陸地水儲量減少。團隊指出,全球氣候暖化、降雨模式改變及海洋溫度升高導致的降水不足和蒸散量穩定,可能是引致陸地水儲量驟減的關鍵因素。根據歐洲中期天氣預報中心的ERA5-Land土壤濕度資料,非洲、亞洲、歐洲和南美洲的陸地水儲量流失顯著;亞洲和歐洲的陸地水儲量在2000至2002年間急劇減少,受影響地區由東北亞及東歐擴展至東亞、中亞及中歐等地。 隨着中國東北和美國西部等地區農業灌溉規模擴大,以及全球綠化趨勢持續推進,在農業密集和綠化程度高的半乾旱地區,土壤濕度可能進一步降低。團隊建議將這些因素納入考量,以改善陸面模型的評估能力,更有效了解陸地水儲量的長期變化。 陳劍利教授表示:「海平面變化和地球自轉,是反映地球系統質量變化的指標,精確測量有關數據將更有效監測全球水循環中的大尺度質量變化。透過整合不同現代空間大地測量觀測數據,能全面地分析陸地水儲量變化與海平面上升的驅動因素,並為氣候及地球系統科學界探討乾旱問題提供可靠依據,有利各地制定合適的水資源和氣候變化緩解策略,應對氣候變化帶來的新挑戰。」

2025年5月13日

20250425_Maipo Workshop

土地及空間研究院共同舉辦可持續城市發展與生態保護研討會 (只有英文版本)

The Hong Kong Polytechnic University (PolyU) and China Innovative Urban-Rural Governance Research Network (CIURG) co-hosted a workshop under the theme of Sustainable Urban Development and Ecological Conservation on 2 April 2025.  The workshop took place in the Mai Po Nature Reserve, a wetland listed as a “Ramsar site” for its international importance. Located in Yuen Long, the Mai Po Nature Reserve is hailed as paradise for migratory birds, providing diverse habitats such as gei wai, mangroves, intertidal mudflats, reedbeds and many more to local wildlife species including waterbirds, aquatic fauna and insects.  The sanctuary is facing ecological challenges as the Northern Metropolis project includes filling fish ponds and removing woodland in the Reserve to construct part of the San Tin Technopole, a new hub for clustered innovation and technology development. Against this background, the workshop brought together 31 leaders and representatives across different sectors and institutions, including universities, government bodies and non-governmental organisations, to explore actionable strategies for nature conservation for sustainable development.  The activity was co-organised by several PolyU units, including the Research Institute for Land and Space (RILS), the Research Centre for Nature-based Urban Infrastructure Solutions (RNUS), the Research Institute for Sustainable Urban Development (RISUD), and the Department of Civil and Environmental Engineering (CEE), together with CIURG. It included technical sessions and guided tour around the Reserve.  The technical sessions, chaired by Prof. DING Xiaoli, Director of RILS, and Prof. WANG Yuhong, Director of RNUS, covered multiple topics related to the workshop theme.  These included: the Northern Metropolis development plan; digital tourism; the plan, development, and protection of Hengshui Lake National Nature Reserve; sustainable blue economy; wildlife and plants conservation; and nature-based solutions in urban design. Other guest speakers included: Ms LEUNG Kar Yee, Carrie, Chief Engineer of North Development Office at the Civil Engineering and Development Department, HKSAR; Mr SU Wansheng, Chief Executive Officer of Fujian Ticket Payment Information Technology Co., Ltd.; Mr LIU Guangning, Director of Hengshui Lake National Nature Reserve; Ms Martin KATE, Consultant at Financing Marine Conservation; Ms. Camilla ZANZANAINI, Founder and Chief Executive Officer of Nature Makers Lab; Mr David STANTON, Executive Director of Ecology and Biodiversity-Hong Kong, Aurecon; Prof. CHEN Hongyue, Professor of South China Agricultural University; Prof. LUO Chunling, Professor of Guangzhou Institute of Geochemistry, Chinese Academy of Sciences; Prof. DENG Xiaomei, Associate Professor at Tsinghua University; Dr. NAZEER Majid, Research Assistant Professor at PolyU; Prof. HUANG Shuping, Associate Professor at Fujian University of Technology.  Participants had fruitful discussions and were guided through various natural habitats during the tour, enjoying an immersive experience in nature and rethinking the human-nature relationship. This workshop is funded by the Public Policy Research Funding Scheme of the Chief Executive’s Policy Unit, HKSAR.  RILS would like to thank all parties including participants, the World Wildlife Fund Hong Kong (WWF HK) and sponsor, for supporting this meaningful event.  

2025年4月25日

20250326_RILS cohosts thematic seminar on hydrographic survey

土地及空間研究院共同主辦水文測量主題研討會(只有英文版本)

The Research Institute for Land and Space (RILS) of The Hong Kong Polytechnic University (PolyU), together with the Hong Kong Institute of Surveyors (HKIS) and the Royal Institution of Chartered Surveyors (RICS), under the support of the Civil Engineering and Development Department (CEDD), has previously launched “The New Era of Hydrographic Survey”, a dedicated event series aimed at providing engineering professionals across universities, government bodies and industry with comprehensive insights into the latest advancements in the hydrographic surveying technology of CEDD, particularly the new survey vessel “Port Works 5” (PW5) of the department.   The second event of the series, a Joint Continuing Professional Development (CPD) Seminar on the theme, was successfully held on 26 March 2025, and was attended by over 100 participants.   Prof. DING Xiaoli, Director of RILS, opened by seminar by extending a warm welcome to all participants and highlighting the growing importance of hydrographic surveying in marine infrastructure development and climate resilience as well as the critical role of interdisciplinary collaboration and innovation in advancing geospatial science.   The seminar featured presentations by representatives from several HKSAR government departments.  Speakers included: Sr CHEUK Yuet Wai, Tim, Assistant Hydrographer of the Marine Department; Sr CHENG Tsz-yan, Tess, Land Surveyor of the Lands Department; and Sr LEUNG Ching-hung, Cherry, Land Surveyor of CEDD.  Their sharing covered multiple areas related to PW5 and hydrographic survey services, including the design features that enable the vessel to operate in diverse marine environments and support a wide range of survey missions, the challenges faced during the construction of PW5, and the need for adaptability, innovation and continuous professional development in the field to meet evolving engineering and surveying industry demands.   A panel discussion, moderated by Dr KWAN Shun-hang, Julian, Assistant Director (Technical) of CEDD, followed, spurring conversation among participants on the challenges and opportunities in hydrographic survey.  All members had a fruitful exchange of views, acknowledging the importance of capacity-building in the field through cross-sectoral knowledge sharing and collaboration, thus contributing professional expertise to Hong Kong’s smart and sustainable city development.

2025年4月11日

20250325_Dutch CG Talk_VIP photo

土地及空間研究院副院長於「總領事講座」分享漂浮結構研究

由理大科技及創新政策研究中心主辦,應用社會科學系、環球事務處和土地及空間研究院鼎力支持的第六場「總領事講座」,於2025年3月25日在理大校園圓滿結束。   講座邀得荷蘭駐香港及澳門總領事Maurits TER KUILE先生主講,分享他在荷蘭外交事務上的經驗與見解。荷蘭在漂浮結構方面領先國際,為發展新一代水上建築和公共空間提供了良好範例。土地及空間研究院副院長趙曉林教授亦籍此機會,在活動中介紹了幾個在荷蘭的漂浮結構,有關漂浮城市的願景,土地及空間研究院在這個令人興奮的領域所開展的科研。

2025年4月2日

20250328_Workshop on nature-based rural dual circular economy

RILS協辦自然本位鄉村雙循環經濟工作坊(只有英文版本)

The Hong Kong Polytechnic University (PolyU) and China Innovative Urban-Rural Governance Research Network (CIURG) co-hosted a workshop under the theme of Nature-based Urban-Rural Dual Circular Economy on 10 March 2025.  Co-organised by several PolyU units including the Research Institute for Land and Space (RILS), the Research Centre for Nature-based Urban Infrastructure Solutions (RNUS) and the Research Institute for Sustainable Urban Development (RISUD), together with CIURG, the workshop brought together more than 50 leaders and representatives from diverse sectors, including universities, government bodies, non-government organisations and rural communities, to explore actionable strategies for promoting an urban-rural circular economy. Prof. LI Xiangdong, Dean of the Faculty of Construction and Environment, Director of RISUD, opened the workshop by emphasising the importance of a nature-based approach (NbS) in achieving sustainable and balanced urban and rural development.  The workshop included three engaging sessions that delved into topics including sustainable resource management, waste reduction, innovative land use policies, cultural heritage preservation, community empowerment, integrated urban-rural planning, and the role of technology in advancing environmental and economical practices. The sessions, each had a different sub-theme, were chaired by Prof. Ivy WONG Siu Wai, Convener of CIURG, Prof. WANG Yuhong, Director of RNUS, and Prof. DING Xiaoli, Director of RILS.  A distinguished line-up of speakers shared their insights and presentations on various topics. Featured guest speakers included: Prof. LING Kar-kan, Director of Jockey Club Design Institute for Social Innovation at PolyU; Ms XING Wenwei, Olivia, Founder of Hong Kong Urban-Rural Sustainable Development Association; Prof. TANG Man Bun, Stephen, Head of Countryside Conservation Office at the Environment and Ecology Bureau of the Hong Kong SAR Government; Ms LEUNG Kar Yee, Carrie, Chief Engineer of North Development Office at the Civil Engineering and Development Department of the Hong Kong SAR Government; Ms Kitty TAM, Programme Lead of Hong Kong 2025 from Civic Exchange; Prof. WONG Kam-sing, Former Secretary for the Environment of the Hong Kong SAR Government, and Chairman of Wu Zhi Qiao (Bridge to China) Charitable Foundation; Mr HE Yunhui, village leader from mainland China; and PolyU scholars including Prof. Ding, Prof. Ivy WONG Siu Wai, Prof. WANG Yuhong, Prof. LEU Shao-Yuan, Prof. Charles WONG Man Sing and Prof. DUAN Huan-Feng. The workshop encouraged cross-sectoral dialogues about NbS.  It also provided an important platform for exploring the potential application of NbS in the development of the Northern Metropolis and for fostering sustainable urban-rural development, and gaining a deeper understanding into the rural communities’ perspectives and needs. RILS would like to thank all participants for their valuable contributions to the workshop, and K. Wah Construction Materials Limited for inviting village leaders and representatives from the Northern Metropolis to join and enrich the discussions with their important views.

2025年3月28日

20250222RILS Site Tournew banner 2000 x 1050 px

RILS代表團參觀土木工程拓展署新測量船「Port Works 5」(PW5)(只有英文版本)

A delegation from the Research Institute for Land and Space (RILS), led by Sr Prof. Ben CHAN, Professor of RILS and Prof. George LIU, RILS Core Member and Associate Head (Partnership) of the Department of Land Surveying and Geo-Informatics (LSGI) visited the new survey vessel “Port Works 5” (PW5) of the Civil Engineering and Development Department (CEDD), HKSAR.   This technical visit, a part of the event series “The New Era of Hydrographic Survey”, was jointly organised by RILS, the Land Surveying Division of the Hong Kong Institute of Surveyors (HKIS) and the Royal Institution of Chartered Surveyors (RICS), with the support of CEDD.  The event series aims to provide participants with comprehensive insights into the latest advancements in hydrographic surveying technology of CEDD.   The visit highlighted the innovative solutions including digital tools and advanced surveying techniques which CEDD adopted to address various challenges in efficiency, environmental sustainability and infrastructure resilience encountered in hydrographic surveying.  It also exemplified the importance of tripartite collaboration between government, professional institutions and academia.  During the visit, participants across the sectors engaged in fruitful discussions on the applications of hydrographic survey technology and the need for enhanced research and improved data accessibility in the field through interdisciplinary and cross-sectoral collaborations. The visit has provided an important platform for fostering cross-sectoral dialogues and networks essential for advancing hydrographic surveying.    Acknowledgment RILS extends the Institute’s gratitude to CEDD for facilitating this visit and providing valuable insights into PW5’s operations and technological advancements.  RILS would also like to thank all invited speakers and fellow participants for their inputs and participation during the visit.

2025年3月7日

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