Understanding perceived climate risks to household water supply and their implications for adaptation: evidence from California
Understanding perceived climate risks to household water supply and their implications for adaptation: evidence from California
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了解家庭供水面临的气候风险及其对适应的影响：来自加利福尼亚州的证据
DOI：
10.1007/s10584-023-03517-0
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发表时间：
2023
期刊：
影响因子：
4.8
通讯作者：
Jepson, Wendy
中科院分区：
文献类型：
--
作者：
Dobbin, Kristin B.;Fencl, Amanda L.;Pierce, Gregory;Beresford, Melissa;Gonzalez, Silvia;Jepson, Wendy
面对气候变化，快速适应对于保持、更不用说扩大获得可靠、安全的饮用水是必要的。现有的研究主要集中在当地管理者执行适应战略的作用、优先事项和激励措施上，而大多忽视了广大公众的作用，尽管资助和实施许多气候适应计划需要强有力的公众支持。在这篇文章中，我们询问了极端天气事件对家庭供水影响的个人经历和危险暴露与个人对未来供水可靠性的关注之间的关系，在全州范围内具有代表性的加州家庭样本中。我们发现，超过三分之一的加州人报告经历了气候变化对他们家庭供水的影响，并表明这些报告的影响对居民对未来供水可靠性的担忧有不同的影响，这取决于经历的事件类型。相比之下，居民对未来供水的担忧与危险暴露没有显著关联。这些发现强调了当地管理者的重要性，不仅要关注气候变化预计将如何影响他们的水资源，而且要关注居民如何以及是否感知到这些风险。个人经历在日益引起关注方面的关键作用突出表明，具有供水影响的后极端事件可能为推进解决办法提供一个关键窗口。然而，管理者不应假设所有极端事件都会以相同的方式或程度引发担忧。
Rapid adaptation is necessary to maintain, let alone expand, access to reliable, safe drinking water in the face of climate change. Existing research focuses largely on the role, priorities, and incentives of local managers to pursue adaptation strategies while mostly neglecting the role of the broader public, despite the strong public support required to fund and implement many climate adaptation plans. In this paper, we interrogate the relationship between personal experiences of household water supply impacts from extreme weather events and hazard exposure with individual concern about future supply reliability among a statewide representative sample of California households. We find that more than one-third of Californians report experiencing impacts of climate change on their household water supplies and show that these reported impacts differently influence residents’ concern about future water supply reliability, depending on the type of event experienced. In contrast, residents’ concern about future water supplies is not significantly associated with hazard exposure. These findings emphasize the importance of local managers’ attending to not only how climate change is projected to affect their water resources, but how, and whether, residents perceive these risks. The critical role of personal experience in increasing concern highlights that post-extreme events with water supply impacts may offer a critical window to advance solutions. Managers should not assume, however, that all extreme events will promote concern in the same way or to the same degree.
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