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Planning and construction of xiong’an new area(city of over 5 million people):Contributions of China’s geologists and urban geology

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China Geology 2024年第3期7卷 382-408页

作者： Bo Han Zhen Ma Liang-jun Lin Hong-wei Liu Yi-hang Gao Yu-bo Xia Hai-tao Li Xu Guo Feng Ma Yu-shan Wang Ya-long Zhou Hong-qiang Li Tianjin Center China Geological Survey(North China Center of Geoscience Innovation)Ministry of Natural ResourcesTianjin 300170China xiong’an Urban Geological Research Center China Geological SurveyMinistry of Natural ResourcesTianjin 300170China Tianjin Key Laboratory of Coast Geological Processes and Environmental Safety Tianjin 300170China China Institute of Geo-Environment Monitoring Beijing 100081China Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesShijiazhuang 050061China Center for Hydrogeology and Environmental Geology China Geological SurveyMinistry of Natural ResourcesBaoding 071051China Institute of Geophysical&Geochemical Exploration Chinese Academy of Geological SciencesLangfang 065000China Chinese Academy of Geological Sciences Beijing 10037China

China established xiong’an new area in Hebei Province in 2017,which is planned to accommodate about 5 million people,aiming to relieve Beijing City of the functions non-essential to its role as China’s capital and to expedite the coordinated development of the Beijing-Tianjin-Hebei *** 2017 to 2021,the China Geological Survey(CGS)took the lead in multi-factor urban geological surveys involving space,resources,environments,and disasters according to the general requirements of“global vision,international standards,distinctive Chinese features,and future-oriented goals”in xiong’an new area,identifying the engineering geologic conditions and geologic environmental challenges of this *** achievements also include a 3D engineering geological structure model for the whole area,along with“one city proper and five clusters”,insights into the ecology and the background endowment of natural resources like land,geothermal resources,groundwater,and wetland of the area before engineering construction,a comprehensive monitoring network of resources and environments in the area,and the“Transparent xiong’an”geological information platform that is open,shared,dynamically updated,and three-dimensionally ***’s geologists and urban geology have played a significant role in the urban planning and construction of xiong’an new area,providing whole-process geological solutions for urban planning,construction,operation and *** future urban construction of xiong’an new area will necessitate the theoretical and technical support of earth system science(ESS)from various aspects,and the purpose is to enhance the resilience of the new type of city and to provide support for the green,low-carbon,and sustainable development of this area.

关键词： Low Carbon new City Planning and construction Land Geothermal resources Groundwater Wetland Underground space Geologic disasters Site stability Natural resource Ecosystem Geological safety Transparent xiong’an Resilient city xiong’an new area

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Land Subsidence in xiong’an new area,China Revealed by InSAR Observations

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Journal of Geodesy and Geoinformation Science 2021年第1期4卷 70-76页

作者： Keren DAI Peilian RAN Zhenhong LI Julian AUSTIN Jan-Peter MULLER Qiming ZENG Jingfa ZHANG Leyin HU College of Earth Sciences Chengdu University of TechnologyChengdu 610059China State Key Laboratory of Geohazard Prevention and Geoenviroment Protection Chengdu University of TechnologyChengdu 610059China College of Geological Engineering and Geomatics Chang’an UniversityXi’an 710054China Key Laboratory of Western China’s Mineral Resource and Geological Engineering Ministry of EducationXi’an 710054China School of Mathematics Statistics&PhysicsNewcastle UniversityNewcastle upon Tyne NE17RUUK Mullard Space Science Laboratory Department of Space and Climate PhysicsUniversity College LondonHolmbury St Mary RH56NTUK School of Earth and Space Sciences Peking UniversityBeijing 100871China Key Laboratory of Crustal Dynamics Institute of Crustal DynamicsChina Earthquake AdministrationBeijing 100085China Beijing Earthquake Agency Beijing 100080China

In 2017,China’s central government approved the national strategy to build xiong’an new area(XNA,100 km southwest to Beijing),which was announced as a"millennium strategy"and a"demo area"for a sustainable,modern,and innovative urban ***’an will draw in as much as$380 billion investment and is expected to help accelerate the development of the wider Beijing-Tianjin-Hebei(Jingjinji)*** this paper,present subsidence in the XNA area is investigated using InSAR observations for the first *** 24 SAR images acquired by European Space Agency’s Sentinel-1 satellites during the period from June 2017 to July 2018 suggest that in the north of xiong County,the subsidence rate reaches up to 90 mm/y,which is highly correlated with the exploitation of geothermal *** the construction in the XNA area will significantly accelerate and its high-quality development,the InSAR findings could provide valuable information for future sustainable urban planning and underground infrastructure construction.

关键词： xiong’an new area subsidence InSAR geothermal heating Sentinel-1

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Influence of underground space development mode on the groundwater flow field in xiong’an new area

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Journal of Groundwater Science and Engineering 2023年第1期11卷 68-80页

作者： Yi-hang Gao Jun-hui Shen Lin Chen Xiao Li Shuang Jin Zhen Ma Qing-hua Meng Tianjin Geological Survey Center China Geological SurveyTianjin 300000China State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of TechnologyChengdu 610059China College of Environment and Civil Engineering Chengdu University of TechnologyChengdu 610059China Shenyang Geological Survey Center China Geological SurveyShenyang 110034China Fifth Geological Brigade Hebei Bureau of Geology and Mineral ResourcesTangshan 063000Hebei ProvinceChina

The degree and scale of underground space development are growing with the continuous advancement of urbanization in *** lack of research on the change of the groundwater flow field before and after the development of underground space has led to various problems in the process of underground space development and *** paper took the key development zone of the xiong’an new area as the study area,and used the Groundwater modeling system software(GMS)to analyse the influence on the groundwater flow field under the point,line,and surface development *** main results showed that the underground space development would lead to the expansion and deepening of the cone of depression in the *** groundwater level on the upstream face of the underground structure would rise,while the water level on the downstream face would ***“line”concurrent development has the least impact on the groundwater flow field,and the maximum rise of water level on the upstream side of the underground structure is expected to be approximately 3.05 ***“surface”development has the greatest impact on the groundwater flow field,and the maximum rise of water level is expected to be 7.17 m.

关键词： xiong’an new area Groundwater flow field Underground space GMS

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Hydrogeochemical characteristics of groundwater and pore-water and the paleoenvironmental evolution in the past 3.10 Ma in the xiong’an new area,North China

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China Geology 2021年第3期4卷 476-486页

作者： Kai Zhao Jing-xian Qi Yi Chen Bai-heng Ma Li Yi Hua-ming Guo Xin-zhou Wang Lin-ying Wang Hai-tao Li Hebei Key Laboratory of Geological Resources and Environment Monitoring and Protection Shijiazhuang 050021China China Institute of Geo-environmental monitoring China Geological SurveyBeijing 100081China Technical Centre for Soil Agriculture and Rural Ecology and EnvironmentMinistry of Ecology and EnvironmentBeijing 100012China Lianhe Equator Environmental Impact Assessment Co. Ltd.Tianjin 300042China China University of Geoscience(Beijing) Beijing 100083China Hebei Geological Environment Monitoring Institute Shijiazhuang 050021China

The groundwater level has been continuously decreasing due to climate change and long-time overexploitation in the xiong’an new area,North China,which caused the enhanced mixing of groundwater in different aquifers and significant changes in regional groundwater chemistry *** this study,groundwater and sediment pore-water in drilling cores obtained from a 600 m borehole were investigated to evaluate hydrogeochemical processes in shallow and deep aquifers and paleo-environmental evolution in the past ca.3.10 *** showed that there was no obvious change overall in chemical composition along the direction of groundwater runoff,but different hydrochemical processes occurred in shallow and deep groundwater in the vertical *** groundwater(xiong’an new area was characterized by high salinity(TDS>1000 mg/L)and high concentrations of Mn and Fe,while deep groundwater had better water quality with lower *** high TDS values mostly occurred in aquifers with depth500 m below land *** isotopes showed that aquifer pore-water mostly originated from meteoric water under the influence of evaporation,and aquitard pore-water belonged to Paleo meteoric *** addition,the evolution of the paleoclimate since 3.10 Ma BP was reconstructed,and four climate periods were determined by theδ18O profiles of pore-water and sporopollen records from sediments at different *** can be inferred that the Quaternary Pleistocene(0.78‒2.58 Ma BP)was dominated by the cold and dry climate of the glacial period,with three interglacial intervals of warm and humid ***’s more,this study demonstrates the possibilities of the applications of pore-water on the hydrogeochemical study and further supports the finding that pore-water could retain the feature of paleo-sedimentary water.

关键词： Groundwater Pore-water Hydrogeochemistry Stable oxygen isotope Paleoclimate change Paleoenvironmental reconstruction Hydrogeological survey engineering xiong’an new area North China

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