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Construction and Application of the Socio-economic Statistical Geographical Information System in Hangzhou,Du Guozhong Deputy Director Metropolitan Bureau of Statistics of Hangzhou Zhejiang Province, China Tel: 86-571-85252705 Fax:86-571-85252735 E-mail: dgz@,Abstract,The Socio-economic Statistical Geographical Information System in Hangzhou is constructed on the bases of the Geographical Information System(GIS) technology. It is based on the standard statistical index and general statistical standards. By combining the geographical data of the city with the Economic Census, the unit directory storehouse, the registered population data base, and the comprehensive statistical database system, Hangzhou’s socio-economic SGIS has established a corresponding socio-economic statistical data warehouse. It applies the,Abstract,“space location function” and the “analysis and inquiry function” of Hangzhou’s statistical basic unit information and provides, this way, a convenient and intuitive statistical service to the public. With its powerful statistical analysis and space analysis ability, the system can provide helpful information on specific themes for decision-making, thus offering a source of information for the sustainable development of Hanghzhou.,The Systematic Framework of Construction,Basic sources for the Socio-economic Geographical Information System are, on the one hand, the electronic urban map of Hangzhou and the store of location names, and on the other hand the information on enterprises from the Economic Census supplemented by the 4 departments’ real time network. In combination also with data from Hangzhou’s comprehensive statistical database system, the SGIS provides complete and updated information. The framework of the system is represented as shown below:,,The Systematic Framework of Construction,The Sources for Updating the System,Ⅰ. Unit information: The Economic Census provides new information on economic enterprises and other institutions. It is updated and supplemented regularly by information from the enterprise directory of the common platform of the 4 departments, i. e. the Industrial and Commercial Bureau, the Bureau of State Taxation, the Bureau of Local Taxation and the Bureau of Quality Control and Technical Supervision.,The Sources for Updating the System,Ⅱ. Electronic map: The electronic urban map of Hangzhou and the store of location names are constructed and updated regularly by information from the Bureau for Planning. Ⅲ. Statistical information: Statistical data of industrial enterprises above designated size can be updated by Hangzhou’s comprehensive statistical database system at regular intervals.,The Sources for Updating the System,Ⅳ. Population information: The registered population information of Hangzhou city is exchanged to Metropolitan Bureau of Statistics of Hangzhou and added to the SGIS through the Information Interchange Centre of Civic Card, and updated synchronously by information form the registered population information management platform of the Public Security Bureau.,The Means of Construction,House-numbers are the main basis for tagging enterprises’ geographical location, thus comes a key problem, that is how to eltablish one-to-one relationship between the electronic map and the house-number. In order to develop a corresponding relationship between them, we teamed up with the Bureau for Planning to improve the electronic map. Firstly, the Bureau for Planning printed out all district-maps. Then, census enumerators checked up on all units with these paper maps, and tagged house-numbers,The Means of Construction,on maps synchronously. Lastly, we returned the paper maps to the Bureau for Planning. The Bureau for Planning brought up the original store of location names by processing the maps, and identified community boundaries. Then, we processed the names and house-numbers to bring out a standardized store of location names with the help of the Bureau of Civil Affairs (Geographical Names Office), and fixed each house-number’s location point by coordinates. Through the technique of address matching on the store of,The main functions of the system,location names, we located all statistical units to corresponding positions on the electronic map, and established relations between the Geographic Reference System and GIS. The Bureau of Civil Affairs is responsible for updating the store of location names, and the Bureau for Planning is responsible for updating the electronic map.,The main functions of the system,In addition to some of the commonly used inquiry also we can click on a certain unit to locate the position, and get the basic information,The main functions of the system,of the enterprise and all the statistical information, thus we can have a comprehensive grasp of the information of its production and operation conditions; furthermore, it can be filtered by referring to different kinds of industries in a certain area, thus provides basic information on a certain kind of industry, such as the number of enterprises, the aggregates of the main statistical index, the population, and other related grouping information. The inquiry methods are as follows:,The main functions of the system,Ⅰ. Buffering inquiry based on point features: To select a certain point(the location or house-number of a uint), and draw a circle with a random radius (such as 200 meters), the system then analyses and provides information within this area.,,,Ⅰ. Buffering inquiry based on point features:,The main functions of the system,Ⅱ. Buffering inquiry based on align features: To select a certain street, and buffer both sides of it. For example: To input “Jiefang Road, 100 meters on both sides“, then the system provides basic statistical information within 200 meters on both sides of Jiefang Road, such as unit information, numbers of enterprises of different industries, analysis of GDP and micro-data.,Ⅱ. Buffering inquiry based on align features:,The main functions of the system,,Ⅲ. Buffering inquiry based on polygon features: To buffer a certain area around a water system. For example: To input “the West Lake, 200 meters“, then the system provides basic statistical information within 200 meters around the West Lake, such as unit information, numbers of enterprises of different industries, analysis of GDP and micro-data.,,Ⅲ. Buffering inquiry based on polygon features:,The main functions of the system,Ⅳ. Buffering inquiry based on arbitrary user inputs: To draw a polygon on anywhere of the map, then the system provides basic statistical information within this polygon, such as unit information, numbers of enterprises of different industries, analysis of GDP and micro-data. In a word, the system has improved the limitation that statistical inquiry and analysis are limited by statistical administrative area codes. It provides intuitive statistical analysis of an arbitrary selected area on the electronic map without any secondary data-reduction.,A Case of Applications,Economic analysis of Wulin Central Business District (2.5 square kilometers) 2007, Xiacheng District Government in Hangzhou City planned to make out Development Planning of Wulin Central Business District, and the government requested the Bureau of Statistics of Xiacheng District to provide relevant statistical data about Wulin CBD, such as major industries sales, the number of enterprises, and so on. The core region of Wulin CBD is: With Wulin Square as its center, it has Fengqi Road standing its south, the Nangyingjia River standing its north, Zhonghe Beilu Road standing its east, and the Beijing-Hangzhou Grand Canal and Huancheng Xilu Road standing its west. The map is shown as below:,,Economic analysis of Wulin Central Business District (2.5 square kilometers),A Case of Applications,A Case of Applications,Unless taking a carpet inventory, or we can almost do nothing with the statistical analysis within such an irregular region with the traditional statistical methods, and a carpet inventory is time-consuming and costly. Fortunately, with the help of the socio-economic SGIS, the government quickly got basic information on enterprises and other institutions on request, such as the number of impersonal entities (3088), and the number of industrial units (674). According to statistical standards, the classification is shown as follows:,,A Case of Applications,A Case of Applications,Thereinto: 42 industrial enterprises, 17 industrial enterprises above designated size, 69,161,000RMB current monthly gross industrial output value, and 64,889,000RMB current monthly gross industrial products sales.,A Case of Applications,Thereinto: 1120 wholesale and retail sale trade enterprises, 145 enterprises above designated size, and 5,885,229,000RMB current monthly sales.,A Case of Applications,The statistical search method for other industries is as same as above. In addition to economic information, we can also search for demographic data within a selected region. There are 115,715 people in the CBD, which 58,914 are men, 56,801 are women. The following demographic data chart of the Wulin CBD(2.5 square kilometers ) enables us to be clear about the distribution of all ages at a glance.,A Case of Applications,thank you !,