The urban heat island effect is the result of the rapid development of urbanization, and modern life creates huge amounts of heat. Land surface temperature is a key parameter to measure the water and heat balance of the Earth's surface and an important index to reflect the urban heat island effect. Retrieving land surface temperature by remote sensing technology is a commonly used method at present. Remote sensing monitoring method is the biggest advantage of the continuity of data acquisition, integrity, and real time, so as to make up and overcome the shortcomings of traditional methods, and can reveal the spatial distribution of urban heat island from the macro and change rule, but also from the micro level to reveal spatial and temporal variation characteristics of heat island effect, thus to alleviate provide more scientific conclusion on the basis of the urban heat island effect. This paper uses remote sensing technology to retrieve the land surface temperature in Shapingba District of Chongqing in recent 20 years. Analyzing the land surface temperature data and comparing it with the data of land use type change in this area provides the basis for the future urban construction planning in this area.
With the rapid development of urbanization, the increase of population, also in the rapidly expanding city construction, so the town has changed in the surrounding land use types, a large number of farmland, forest land into construction land, cities affected by the surrounding environment, so the reasonable planning of land use, so it is urgent to prevent the ecological environment destruction caused by urban construction. Remote sensing technology and geographic information system technology use satellite remote sensing means to monitor cities. In recent years, many scholars at home and abroad have used remote sensing technology to analyze land use, provide data support for urban sustainable development, and help cities do a good job in ecological planning. Through remote sensing technology, this paper analyzes the land use situation of the main urban area of Chongqing in recent 20 years, and provides the basis for the construction planning of mountain city.
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