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Urban climate changes during the COVID-19 pandemic: integration of urban-building-energy model with social big data

Environmental Studies and Forestry

Urban climate changes during the COVID-19 pandemic: integration of urban-building-energy model with social big data

Y. Takane, K. Nakajima, et al.

This study by Yuya Takane, Ko Nakajima, and Yukihiro Kikegawa quantified the effects of COVID-19 on urban climate in Tokyo, revealing notable decreases in electricity consumption and heat emissions, correlating with a 0.2°C drop in air temperature. Their methodology could serve as a global benchmark for climate change adaptation strategies.

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Playback language: English
Abstract
This study quantitatively evaluated the effects of COVID-19 induced changes in human behavior on urban climate in Tokyo using a unique method that integrates real-time human population data with an urban climate model. Results showed significant decreases in electricity consumption (EC) and anthropogenic heat emission (Q<sub>H</sub>) in office districts, leading to a 0.2°C decrease in air temperature—approximately 20% of past greenhouse gas-induced warming. This methodology offers a potential benchmark for worldwide application and suggests behavioral changes as a climate change adaptation strategy.
Publisher
npj Climate and Atmospheric Science
Published On
Jun 02, 2022
Authors
Yuya Takane, Ko Nakajima, Yukihiro Kikegawa
Tags
COVID-19
urban climate
Tokyo
human behavior
temperature decrease
electricity consumption
adaptation strategy

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