RISK PERCEPTION TOWARDS ATMOSPHERIC ENVIRONMENT BASED ON TEXT DATA MINING OF PUBLIC OPINIONS

ZHAO Rui; LIU Jie; ZHOU Yuyu; YANG Linchuan

doi:10.13205/j.hjgc.202204030

Volume 40 Issue 4

Apr. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(4): 209-216

ZHAO Rui, LIU Jie, ZHOU Yuyu, YANG Linchuan. RISK PERCEPTION TOWARDS ATMOSPHERIC ENVIRONMENT BASED ON TEXT DATA MINING OF PUBLIC OPINIONS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(4): 209-216. doi: 10.13205/j.hjgc.202204030

Citation:

ZHAO Rui, LIU Jie, ZHOU Yuyu, YANG Linchuan. RISK PERCEPTION TOWARDS ATMOSPHERIC ENVIRONMENT BASED ON TEXT DATA MINING OF PUBLIC OPINIONS[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(4): 209-216. doi: 10.13205/j.hjgc.202204030

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RISK PERCEPTION TOWARDS ATMOSPHERIC ENVIRONMENT BASED ON TEXT DATA MINING OF PUBLIC OPINIONS

doi: 10.13205/j.hjgc.202204030

1. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China;
2. School of Architecture and Design, Southwest Jiaotong University, Chengdu 611756, China

Received Date: 2021-07-29
Available Online: 2022-07-06

Abstract

Abstract

According to the public opinions on air quality during the period of 2015—2019, big data mining and analysis techniques were used to identify the factors influencing the public’s risk perception, establish a risk perception indicator system, and investigate the temporal and spatial characteristics regarding risk perception level. The results showed that: 1) The primary factor affecting public risk perception was the worry of individual health impact, followed by the impact of environmental quality change. 2) The level of risk perception had significant temporal and spatial differences. It fluctuated and raised in the defined time period. From a spatial perspective, the level of risk perception was high in the north and low in the south, while high in the east and low in the west. 3) The risk perception level in Henan Province and Sichuan Province was the highest in the defined time period, and the risk perception had apparently spatial spillover effect.
- public opinions on environment,
- big data,
- data mining,
- risk perception,
- spatiotemporal distribution

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References(41)

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