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Impact assessment of urbanization process on temperature in Ningbo based on LandSat |
Xia Jingwen1, Gao Aizhen2, Wang Jing1, Shi Haohui1 |
1. Yinzhou Meteorological Bureau,Ningbo 315194; 2. Ningbo Meteorological Network and Equipment Support Center,Ningbo 315000 |
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Abstract Using the LandSat satellite data,this paper evaluates the surrounding detection environment of two representative meteorological observation stations in Ningbo,and quantitatively analyzes of the impact of urbanization characterized by land use/cover change (LUCC) on urban heat island and temperature change.The analysis shows that the observation environment of Yinzhou national basic meteorological station is affected by urbanization greatly.Temperature in Yinzhou and Shipu weather station shows a warming trend,and the warming rate of Yinzhou station is higher than that of Shipu station.Both the temperature and temperature difference kept rising especially after the 1990s.The LUCC has a significant influence on average temperature difference within 5 km of Yinzhou station.The larger the urban construction area,the greater the temperature difference.It can be seen that the impact of Ningbo urbanization process on urban heat island effect cannot be ignored.
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Received: 25 January 2021
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