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发布时间:2022-05-07 19:11
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热心网友
时间:2022-07-01 03:55
Abstract:
As a main component of the natural proctivity in urban structures, urban virescence plays an important role in the urban system. The traditional investigation of urban virescence had mainly applied the method of manual survey with statistics integration, it required a great amount of manpower and funds; yet the data obtained was far from current and accurate. However, by using the method of HR remote sensing satellite data and integrating it with GIS, a rapid feature extraction of remote sensing satellite data and spatial statistic analysis of urban virescence can be obtained. By refering to the characteristics of remote sensing satellite data, this article explores the theory and method on the classification of urban greening landscapes; and by taking the city of Shenzhen as an example, it divides the greening landscapes within the city into four categories, namely, public green belts, roadside green belts, landscape architectures and auxilliary green belts.
Then it extracts each category of green belt data and briefly analyzes on the implementation of the proper layout of Shenzhen’s virescence within the limited land resources, as well as optimizes the green belt spatial structures, so as to exert its ecological benefits and service functions of urban virescence fully and efficiently.
关键词:深圳市;绿地景观;遥感;解译
Key words: City of Shenzhen; greening belts; remote sensing; explanation
热心网友
时间:2022-07-01 03:55
Abstract
Extract of the Remote Sensing Message of Urban Greenland in Shenzhen City
Urban virescence as the main element of urban structure play an important role in the city. The investigation of traditional urban virescence mainly by combining artificial investigation with statistic method, needs a great amount of people and money, and data accuracy and timeliness can’t satisfy city development. But by combining high resolution remote sensing data with geographic information systems method we can extract urban virescence data and precisely count its spatial distribution. The theory and techniques for classification of urban virescence landscape by using the data of satellite remote sensing, and takes Shenzhen city as an example which divided the green space landscape into 4 kinds:public green space, road green space, auxiliary green space, Landscape Architecture. Every kind of green space landscape is extracted. Then analysises how to realize the reasonable construction of urban virescence and optimitzes the space struction in the limited land resources, to make the urban virescence develop its ecological benefit and funtion of use adequatdy and efficiently.
Key words: Shenzhen city; greenland; remote sensing; extract
热心网友
时间:2022-07-01 03:55
Extract of the Remote-Sensing Message about Urban Greenland in Shenzhen.
Urban virescence is a main element of urban structure, which plays an important role in whole city. An investigation of traditional urban virescence is mainly depended on combining artificial investigation with statistical method. Urban virescence needs a great amount of people, money, accurate data and time to meet the needs of the city. However, by combining high resolution remote -sensing data with geographic information systems method we can extract urban virescence data and precisely count its spatial distribution. The theory and techniques for classification of urban virescence landscape by using the data of satellite remote- sensing. Taking Shenzhen city for an example, which divides the green space landscape into 4 categories:public green space, road green space, auxiliary green space and landscape architecture. Every kind of green space landscape is extracted. Then, analyzing how to realize the reasonable construction of urban virescence and optimizing the space structure of the limited land resources to make the urban virescence develop its ecological benefit and function adequately and efficiently.
Key words: Shenzhen city; greenland; remote -sensing; extract