Abstract
Changes in the microclimate of the urban environment often occur as a result of changes in urban development, artificial changes in the relief, and the cutting down of forest plantations. Due to changes in the urban environment there is a change in the microclimate of the city, which entails a direct change in the land surface temperature. Changes in the urban environment can be detected using space images of different spatial resolution in the visible and far infrared range. Landsat data is currently the most accessible, complete, and open for studying these changes. Thermal imaging is widely used for monitoring urban sites. To increase the spatial resolution, synthesis of Landsat-8 images with higher spatial resolution images of Planet Scope is used, which allows increasing the spatial resolution of surface temperature maps produced from Landsat-8 images from 30 meters to 3 meters. The paper presents the results of an assessment of the land surface temperature in the city of Krasnoyarsk for a two-year period from September 2016 to September 2018 based on the analysis of Landsat-8 and Planet Scope satellite images.
Highlights
The microclimate of the territory, in the conditions of a natural landscape, is formed under the influence of local natural factors, such as relief, proximity to water bodies, the nature of the underlying surface
Due to changes in the urban environment there is a change in the microclimate of the city, which entails a direct change in the land surface temperature
As a result of changes in the urban environment, a change in microclimate of the city takes place, which entails a direct change in the land surface temperature; these changes can be assessed using field measurements as well as remote sensing methods
Summary
The microclimate of the territory, in the conditions of a natural landscape, is formed under the influence of local natural factors, such as relief, proximity to water bodies, the nature of the underlying surface. In the conditions of artificial landscape, anthropogenic factors such as urban development, asphalt coating of vegetation and natural soils, artificial heat flows and air pollution have a great influence [1]. As remote methods of studying the temperature, data from space imaging of the Earth in the far infrared range are used.
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