Environmental spatial heterogeneity of the impacts of COVID-19 on the top-20 metropolitan cities of Asia-Pacific

This study investigated the environmental spatial heterogeneity of novel coronavirus (COVID-19) and spatial and temporal changes among the top-20 metropolitan cities of the Asia-Pacific. Remote sensing-based assessment is performed to analyze before and during the lockdown amid COVID-19 lockdown in...

Full description

Saved in:
Bibliographic Details
Published in:Scientific reports 2021-10, Vol.11 (1), p.20339-9, Article 20339
Main Authors: Ali, Ghaffar, Abbas, Sawaid, Qamer, Faisal Mueen, Irteza, Syed Muhammad
Format: Article
Language:English
Subjects:
704/172
704/172/4081
Aerosols - analysis
Air Pollutants - analysis
Air pollution
Air Pollution - analysis
Air Pollution - prevention & control
Asia, Eastern - epidemiology
Asia, Southeastern - epidemiology
Benchmarks
Carbon monoxide
Carbon Monoxide - analysis
Cities
Cities - epidemiology
Coronaviruses
COVID-19
COVID-19 - epidemiology
Emissions control
Environmental Monitoring - methods
Heterogeneity
Humanities and Social Sciences
Humans
Mobility
multidisciplinary
Nitrogen dioxide
Nitrogen Dioxide - analysis
Optical analysis
Particulate Matter - analysis
Physical Distancing
Pollution control
Remote sensing
SARS-CoV-2 - pathogenicity
Science
Science (multidisciplinary)
Spatial heterogeneity
Sulfur
Sulfur dioxide
Sulfur Dioxide - analysis
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:This study investigated the environmental spatial heterogeneity of novel coronavirus (COVID-19) and spatial and temporal changes among the top-20 metropolitan cities of the Asia-Pacific. Remote sensing-based assessment is performed to analyze before and during the lockdown amid COVID-19 lockdown in the cities. Air pollution and mobility data of each city (Bangkok, Beijing, Busan, Dhaka, Delhi, Ho Chi Minh, Hong Kong, Karachi, Mumbai, Seoul, Shanghai, Singapore, Tokyo, Wuhan, and few others) have been collected and analyzed for 2019 and 2020. Results indicated that almost every city was impacted positively regarding environmental emissions and visible reduction were found in Aerosol Optical Depth (AOD), sulfur dioxide (SO 2 ), carbon monoxide (CO), and nitrogen dioxide (NO 2 ) concentrations before and during lockdown periods of 2020 as compared to those of 2019. The highest NO 2 emission reduction (~ 50%) was recorded in Wuhan city during the lockdown of 2020. AOD was highest in Beijing and lowest in Colombo (
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-99546-9