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Updated: Jul 16, 2025

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在干旱条件下对城市家庭用水消费行为的研究
He Chen1, Huaxiang He2, Jinjun You2
1Hohai University, Nanjing, 210024, China; Department of Water Resources, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China.
Journal of environmental management
|September 17, 2023
概括
了解干旱期间的城市水资源保护是管理短缺的关键. 这项研究发现,感知干旱风险会影响节水行为,扩展模型更好地预测居民减少消费的意愿.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 行为科学 行为科学
背景情况:
- 干旱频率的增加增加了城市缺水风险.
- 减少家庭用水消耗对于干旱缓解至关重要.
- 确定居民可行的节水目标是具有挑战性的.
研究的目的:
- 探索影响城市家庭干旱期间用水的社会心理因素.
- 为灵活的用水行为量化可压缩水配额.
- 为了比较规划行为理论 (TPB) 和扩展的TPB (ETPB) 在预测节水意图和行为方面的解释能力.
主要方法:
- 使用问卷调查和结构方程建模 (SEM).
- 通过将干旱风险感知纳入,扩展了TPB.
- 运用数学统计分析来计算水份和可压缩比例.
主要成果:
- 干旱风险感知与主体规范和减少水资源行为的积极相关.
- ETPB在解释用水意图和行为方面表现出更高的有效性.
- 随着干旱风险感知的增加,SEM对减少水的预测能力从44%增加到50%.
- 在干旱条件下的夏季/冬季平均水消耗 (71.3/52.9 L/p.d) 与正常条件下 (124.3/108.9 L/p.d) 的计算.
- 对于夏季/冬季弹性水的使用,确定压缩比例分别为46.7%和56.8%.
结论:
- 干旱风险的感知是城市节水工作的重要因素.
- 扩展的TPB框架提供了对节水行为更强大的理解.
- 量化弹性水的使用为政府干旱紧急供水决策提供了有价值的数据.
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