What is it about?
Haze is a major environmental concern in cities because it adversely affects people’s physiological and psychological well-being. This paper examines the extent of haze in Macao SAR during the period 1986-2016. Macao is quite special in which haze got worse and then was improved. We collected the haze and meterological data as well as energy use data from Macao government departments and haze records from Guangzhou Meteorological Bureau. Correlation and regression analyses were performed to explore the relationship between energy use and the number of haze hours.
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Why is it important?
Haze is a severe issue when there is high atmosphere pressure i.e. a typical autumn and winter day or there is no or light winds i.e. days before typhoons in summer in Macao and Hong Kong. The findings show that the number of hours with haze was significantly, positively related to the consumption of oil products and natural gas in Macao and aviation kerosene. The hidden environmental burdens that are transferred to Macao’s neighboring city - Zhuhai are discussed.
Perspectives
Whenever haze is reported, Macao (or Hong Kong) people claim that most of air pollutants come from the north across the border. In fact, haze is a rather localized problem due to the still air. Take a look at haze episodes in autumn and winter or just a few days before typhoons in summer.
Professor W.M. To
Macao Polytechnic University
Read the Original
This page is a summary of: Factors Contributing to Haze Pollution: Evidence from Macao, China, Energies, September 2017, MDPI AG,
DOI: 10.3390/en10091352.
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