Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era

The COVID-19 pandemic has had a profound impact on individual human behaviour, making it a prominent research topic in recent years. However, most studies have focused on mobility, with limited attention given to changes in residents’ activities patterns. Furthermore, changes in these patterns at a...

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Main Authors: Jinyu Zhang, Xuesheng Zhao, Dongxue Han
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:International Journal of Digital Earth
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/17538947.2025.2454381
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author Jinyu Zhang
Xuesheng Zhao
Dongxue Han
author_facet Jinyu Zhang
Xuesheng Zhao
Dongxue Han
author_sort Jinyu Zhang
collection DOAJ
description The COVID-19 pandemic has had a profound impact on individual human behaviour, making it a prominent research topic in recent years. However, most studies have focused on mobility, with limited attention given to changes in residents’ activities patterns. Furthermore, changes in these patterns at a finer spatiotemporal scale remain understudied. To fill this gap, we analysed and compared changes in residents’ activities across different streets and time slots from three perspectives – human activity intensity (HAI), population distribution, and daily activity patterns – using high-spatiotemporal-resolution Baidu heat map data. First, we tracked daily variations in HAI for each street across different time slots from the lockdown period to the post-pandemic era. On this basis, we calculated the changes in HAI and population distribution and inferred daily activity patterns. Our results revealed that HAI trends were similar across all streets, but relative changes varied across streets and different time slots. Moreover, the pattern of population distribution changed, with a shift from the central area to the surrounding regions. Additionally, daily activities transitioned from leisure and work activities to residential activities, with more pronounced changes in the forenoon and afternoon slots. These findings provide scientific evidence for guiding targeted urban management.
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issn 1753-8947
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publishDate 2025-12-01
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spelling doaj-art-181c75c261054c1b85ec5ebf40e641d12025-01-24T03:12:56ZengTaylor & Francis GroupInternational Journal of Digital Earth1753-89471753-89552025-12-0118110.1080/17538947.2025.2454381Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic eraJinyu Zhang0Xuesheng Zhao1Dongxue Han2College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing, People’s Republic of ChinaCollege of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing, People’s Republic of ChinaCollege of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing, People’s Republic of ChinaThe COVID-19 pandemic has had a profound impact on individual human behaviour, making it a prominent research topic in recent years. However, most studies have focused on mobility, with limited attention given to changes in residents’ activities patterns. Furthermore, changes in these patterns at a finer spatiotemporal scale remain understudied. To fill this gap, we analysed and compared changes in residents’ activities across different streets and time slots from three perspectives – human activity intensity (HAI), population distribution, and daily activity patterns – using high-spatiotemporal-resolution Baidu heat map data. First, we tracked daily variations in HAI for each street across different time slots from the lockdown period to the post-pandemic era. On this basis, we calculated the changes in HAI and population distribution and inferred daily activity patterns. Our results revealed that HAI trends were similar across all streets, but relative changes varied across streets and different time slots. Moreover, the pattern of population distribution changed, with a shift from the central area to the surrounding regions. Additionally, daily activities transitioned from leisure and work activities to residential activities, with more pronounced changes in the forenoon and afternoon slots. These findings provide scientific evidence for guiding targeted urban management.https://www.tandfonline.com/doi/10.1080/17538947.2025.2454381Baidu heat map dataCOVID-19population distributionhuman activitypost-pandemic era
spellingShingle Jinyu Zhang
Xuesheng Zhao
Dongxue Han
Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
International Journal of Digital Earth
Baidu heat map data
COVID-19
population distribution
human activity
post-pandemic era
title Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
title_full Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
title_fullStr Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
title_full_unstemmed Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
title_short Assessing the impact of COVID-19 on residents’ activities using baidu heat map data: from the lockdown era to the post-pandemic era
title_sort assessing the impact of covid 19 on residents activities using baidu heat map data from the lockdown era to the post pandemic era
topic Baidu heat map data
COVID-19
population distribution
human activity
post-pandemic era
url https://www.tandfonline.com/doi/10.1080/17538947.2025.2454381
work_keys_str_mv AT jinyuzhang assessingtheimpactofcovid19onresidentsactivitiesusingbaiduheatmapdatafromthelockdowneratothepostpandemicera
AT xueshengzhao assessingtheimpactofcovid19onresidentsactivitiesusingbaiduheatmapdatafromthelockdowneratothepostpandemicera
AT dongxuehan assessingtheimpactofcovid19onresidentsactivitiesusingbaiduheatmapdatafromthelockdowneratothepostpandemicera