Temperature Anomaly in the Tokyo Metropolitan Area during the COVID-19 (coronavirus) Self-Restraint Period

doi:10.2151/sola.2020-030

	Temperature Anomaly in the Tokyo Metropolitan Area during the COVID-19 (coronavirus) Self-Restraint Period
	Fujibe, Fumiaki
	2020-09
发表期刊	SOLA
ISSN	1349-6476
摘要	Japan underwent a nationwide self-restraint of human activities in spring 2020 to prevent the spread of the COVID-19 infection. In order to evaluate the effect of suppressed human activities on temperature in the Tokyo Metropolitan area, a statistical analysis was made for temperature anomalies during the self-restraint period using hourly data on the AMeDAS network. The temperature anomaly was defined by the departure from the value that would have been observed without self-restraint, estimated from regression analysis for temperatures at surrounding non-urban stations. It was found that the temperature in central Tokyo (Kitanomaru Park) had a negative anomaly of -0.49 degrees C with a 95% confidence range of +/- 0.19 degrees C on the average over the strong self-restraint period from April to May. The anomaly was larger in the nighttime than in the daytime, and was found in an area spreading for several tens of kilometers, with a decreasing magnitude according to the distance from Tokyo. These facts indicate a possibility that the reduction of anthropogenic heat release during the self-restraint period resulted in substantial decrease of temperature in the Tokyo Metropolitan area.
DOI	10.2151/sola.2020-030
WOS关键词	URBAN HEAT-ISLAND ; MASS HUMAN MIGRATION ; CHINESE NEW-YEAR ; ANTHROPOGENIC HEAT ; CLIMATE ; IMPACT
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
出版者	METEOROLOGICAL SOC JAPAN
引用统计
文献类型	期刊论文
专题	新冠肺炎循证社会科学证据集成
作者单位	Tokyo Metropolitan Univ
推荐引用方式 GB/T 7714	Fujibe, Fumiaki. Temperature Anomaly in the Tokyo Metropolitan Area during the COVID-19 (coronavirus) Self-Restraint Period[J]. SOLA,2020.
APA	Fujibe, Fumiaki.(2020).Temperature Anomaly in the Tokyo Metropolitan Area during the COVID-19 (coronavirus) Self-Restraint Period.SOLA.
MLA	Fujibe, Fumiaki."Temperature Anomaly in the Tokyo Metropolitan Area during the COVID-19 (coronavirus) Self-Restraint Period".SOLA (2020).

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