气候变化对海绵城市项目媒体报道的影响:文本挖掘和机器学习分析

IF 3 3区社会学 Q1 COMMUNICATION

Environmental Communication-A Journal of Nature and Culture Pub Date : 2023-06-14 DOI:10.1080/17524032.2023.2223775

Chen Shen, Yang Wang

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引用次数: 0

摘要

海绵城市项目对于提高城市韧性和可持续性至关重要，而媒体框架可以潜移默化地影响公众态度，从而影响海绵城市项目的顺利实施。由于社会政治环境的原因，官方和非官方媒体的媒体话语是不同的，随着紧急事件的发生而变化和演变。然而，很少有研究关注媒体披露差异或调查scp相关媒体话语在突发事件前后的转变。因此，本研究基于文本挖掘方法，进行纵向大数据语篇分析，比较国家导向型报纸和市场导向型网络新闻的框架差异。从2020年7月17日至2022年4月17日，共抓取6413篇新闻。结果表明，SCP宣传涉及宏观层面和微观层面内容的不同叙事。灾后，网络新闻对SCP的支持态度不如国有报纸。同时，SCP效益覆盖范围差异最显著的是社会效益和经济效益，SCP风险覆盖范围差异最显著的是经济风险。研究结果提供了回顾性评估，并为基于证据的SCP倡导提供了有价值的实际意义。

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The Impact of Climate Change on Media Coverage of Sponge City Programs: A Text Mining and Machine Learning Analysis

ABSTRACT Sponge city programs (SCPs) are essential for improving urban resilience and sustainability, while media framing can imperceptibly influence public attitudes and thereby influence the smooth implementation of SCPs. Due to socio-political landscapes, media discourse on official and non-official media is different, changing and evolving as emergency events occur. However, few studies have focused on media disclosure differences or investigated the transformation of SCP-related media discourse before and after emergencies. Therefore, based on text mining methods, this study conducts a longitudinal big-data discourse analysis to compare framing differences in state-oriented newspapers and market-oriented web news. A total of 6,413 news articles from July 17th, 2020 to April 17th, 2022 are crawled. The results demonstrate that SCP publicity involves different narratives covering macro-level and micro-level content. After the disaster, attitudes of web news towards SCP are less supportive than those of state-oriented newspapers. Meanwhile, the most salient differences in SCP benefit coverage are social and economic benefits, and the most salient difference in SCP risk coverage is economic risks. Findings provide a retrospective assessment and present valuable practical implications for evidence-based SCP advocacy.

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来源期刊

Environmental Communication-A Journal of Nature and Culture Multiple-

CiteScore

6.30

自引率

7.40%

发文量

期刊介绍： Environmental Communication is an international, peer-reviewed forum for multidisciplinary research and analysis assessing the many intersections among communication, media, society, and environmental issues. These include but are not limited to debates over climate change, natural resources, sustainability, conservation, wildlife, ecosystems, water, environmental health, food and agriculture, energy, and emerging technologies. Submissions should contribute to our understanding of scientific controversies, political developments, policy solutions, institutional change, cultural trends, media portrayals, public opinion and participation, and/or professional decisions. Articles often seek to bridge gaps between theory and practice, and are written in a style that is broadly accessible and engaging.