Uploaded on 2019-05-10 by Philip K Ng

I live in Hong Kong. In 2015, the scientists from Macau Polytechnic Institute tried to explore the UHI in Hong Kong using seasonal econometric model. They found that Hong Kong's urban mean air temperature has increased by 0.169 degree C per 10 years over the past four decades using monthly temperature data, or 0.174 degree C per 10 years using annual temperature data, and the trend is likely to persist. By analyzing the monthly air temperatures recorded at an urban site and a rural site, it was found that the UHI effect led to the urban site being on average 0.865 degree C warmer than the rural site over the past two decades. Besides, the results of correlation analysis showed that the increase in annual mean air temperature was significantly associated with the increase in population, gross domestic product, urban land use, and energy use, with the R2 values ranging from 0.37 to 0.43.