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Shanghai's first survey of geographical conditions "family background" and "big data" to promote environmental remediation

2021-01-21 13:25:00
Source: Xinhuanet
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Xinhua News Agency, Shanghai, June 18 (Reporter Zheng Juntian) The reporter learned from the "National Urban Geography National Condition Monitoring Work Exchange Meeting" held in Shanghai a few days ago that Shanghai has completed the first general survey of geographical conditions. At present, the "big data" of geographical conditions is playing an active role in land management, landscape protection, water environment improvement and other fields.

Shi Guanghui, vice mayor of Shanghai, revealed that Shanghai has completed the first survey of geographical conditions, and fully adopted the results of the first survey and monitoring of geographical conditions in the preparation of the Shanghai Urban Master Plan (2016-2040), which has accurately and scientifically promoted urban planning; At the same time, Shanghai also took the initiative to carry out a number of thematic monitoring of geographical conditions, providing professional services for the city's land use planning, small and medium-sized river regulation, historical landscape protection and other fields.

Sun Jiwei, Director of Shanghai Municipal Bureau of Planning, Land and Resources Management, said that since 2013, Shanghai Municipal Bureau of Planning, Land and Resources Management has started to promote the survey and monitoring of geographical conditions. On the basis of comprehensively carrying out the first survey of geographical conditions in Shanghai, and in combination with the city's land management, landscape protection, water environment improvement Key work such as planning implementation assessment has carried out a number of geographical and urban situation monitoring, such as land use change monitoring, landscape protection building monitoring, small and medium-sized river water body monitoring, and has deeply applied data sets, display systems, monitoring reports and atlases to land management, planning and construction, urban management and other fields in Shanghai. Relevant monitoring results have been successfully applied to the "five violations and four necessities" environmental remediation in Shanghai.

It is reported that the Shanghai Institute of Surveying and Mapping has provided important information reference for monitoring illegal land use, illegal construction and other behaviors by comparing the existing land planning approval data with the geographical situation information. At the same time, various monitoring results also play a role in the protection of historic buildings in Shanghai. Based on the collected data, the surveying and mapping department has designed and established a number of thematic databases such as historic conservation areas, historic neighborhoods, and excellent historic buildings, and has developed a historical data query system to enable relevant management departments to obtain Understand the special monitoring information of historic buildings.

In the comprehensive renovation of small and medium-sized rivers in the city, the Shanghai Institute of Surveying and Mapping used advanced remote sensing technology to quickly and accurately find out the actual situation of black and odorous rivers, found 10501 suspected black and odorous spots, took more than 20000 photos, formed 10501 water survey data sheets, and timely submitted the results of suspected black and odorous river spots to the Shanghai Water Affairs Bureau, It has laid a solid data foundation for achieving full coverage of small and medium-sized river training objectives.

Kureshi Mehesuti, deputy minister of the Ministry of Land and Resources and director of the National Bureau of Surveying, Mapping and Geographic Information, believes that the monitoring of urban geographical conditions provides effective support for urban planning and construction management and enriches urban governance means. All regions should promote the sharing and application of the monitoring results of urban geographical conditions, and play a due role in building a green, smart and livable new city.

[Editor in charge: Chen Wentao]

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