Abstract
Land surface temperature is the surface of the earth’s energy change and the exchange process, which is an important index for a lot of scientific research, it can be obtained in a variety of ways, combining with scientific research workers at home and abroad for many years,the land surface temperature acquisition methods are summarized, four land surface temperature methods are introduced and their characteristics are analyzed.
Highlights
The method is based on the historical meteorological data of meteorological stations
The meteorological station adopts the real-time data recorded by observation stations or mobile observation stations, and the measured database is the atmospheric temperature near the surface
Using meteorological sites to get the data recorded accurately in detail, but it takes a lot of manpower and material resources and financial resources, and the number of monitoring sites and distribution by the image of the terrain and the surrounding environment and limitation, which leads to uneven distribution of the site, not easy to form the continuous observation on the spatial data, spatial representation, not suitable for a wide range of area studies. This traditional monitoring method is usually used for regional temperature changes over the course of a day or seasonal changes over the course of a year
Summary
Land surface temperature(LST) refers to the result that the heat energy of the sun is radiated to the ground, part of it is reflected, part of it is absorbed by the ground, so that the ground generates heat and avoids the temperature change of the earth after measurement.Land Surface temperature is a very important parameter in the study of geographical surface physical systems on regional and global scales, and it is a comprehensive expression of the energy transformation of the interaction between land and atmosphere [1,2,3,4]. Using meteorological sites to get the data recorded accurately in detail, but it takes a lot of manpower and material resources and financial resources, and the number of monitoring sites and distribution by the image of the terrain and the surrounding environment and limitation, which leads to uneven distribution of the site, not easy to form the continuous observation on the spatial data, spatial representation, not suitable for a wide range of area studies This traditional monitoring method is usually used for regional temperature changes over the course of a day or seasonal changes over the course of a year. Many researchers have tried to study the urban heat island effect in this way
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