COVIDー 変化する行動(COVID ー Changing behavior)

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2022-05-02 オークリッジ国立研究所(ORNL)

COVIDー 変化する行動(COVID ー Changing behavior)
Oak Ridge National Laboratory researchers quantified human behaviors during the early days of COVID-19, which could be useful for disaster response or city planning. Credit: Nathan Armistead/ORNL, U.S. Dept. of Energy

オークリッジ国立研究所の研究者たちは、COVID-19パンデミックの初期に、より安全な自宅での注文に続いて、朝のコーヒーを飲む、夕食を持ち帰るなどの日中の日常生活の変化を経験的に定量化しました。Journal of Transport Geography誌に掲載されたこれらの知見は、当局が交通パターンをよりよく理解し、緊急事態や危機への対応を補完するのに役立つと考えられます。
研究チームは、何百万もの地点に設置されたGPSマーカーのセーフグラフデータを使用して、24時間にわたって人々が最も活動的だった時間帯を特定し、それらがパンデミック前のタイムテーブルとどのように異なっているかを明らかにしました。

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米国における人の移動の時間的ダイナミクスの変遷 Shifting temporal dynamics of human mobility in the United States

Kevin Sparks,Jessica Moehl,Eric Weber,Christa Brelsford,Amy Rose
Journal of Transport Geography  Published:16 February 2022
DOI:https://doi.org/10.1016/j.jtrangeo.2022.103295

Abstract

In this paper we analyze the average hourly temporal dynamics of human mobility in the United States from 2019 to 2020. We discuss how large decreases in human mobility nonuniformly effect the daily temporal dynamics of aggregate human behavior. The data used are weekly activity patterns for POIs from 2019 to 2020 in the United States, provided by SafeGraph and made openly available to academic and research institutions. We use clustering methods to create metrics describing how human activity changes throughout the day/week at the county and national levels. In response to significant mobility reductions starting March 2020, daily temporal patterns of human activity changed nonuniformly. Morning activity started later, and evening activity started earlier in 2020 compared to 2019, and temporal behavioral patterns on weekdays began to look more similar to weekends. The changes in daily temporal behavior persisted throughout the year even as total mobility levels recovered. The results provide insights on the changes in human behavior in response covid-19 policies and illustrate influences on social systems, health, and transportation networks.

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