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Urban heat indicator map for climate adaptation planning

机译:城市热量指标图用于气候适应规划

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摘要

By 2050, 75 % of the world’s population will live in cities and the occurrence of heat wave events might have doubled. Mapping the climate and land use change impact for urban heat events should set the agenda for adaptation planning at the local scale. Literature on urban heat mapping does not reveal a clear indicator to visualise the urban heat impacts that includes consequences of land use and climate changes for planning purposes. This paper introduces a stepwise approach to develop a single complex indicator to map the urban heat impact for local climate adaptation planning processes. Information on climatic drivers and land use characteristics are combined and projected for future land use and climate change impacts. Next, several visualisation techniques are developed to investigate which techniques are most effective to visualise complex information with multiple variables in one visualisation. A usability test is performed to investigate how indicator and map meet the information and communication needs of policy makers. Our findings reveal that it is important to add information on future impacts to set the agenda for adaptation planning at the local scale. Applying cartographic techniques in a map series presentation has proven to be effective to map complex information in a single image and fulfil most of the identified information needs. Based on our finding, we introduce the information enrichment chain as a promising approach to support local adaptation planning.
机译:到2050年,世界上将有75%的人口居住在城市,热浪事件的发生率可能会翻倍。绘制气候和土地利用变化对城市热事件的影响,应确定地方规模的适应计划议程。关于城市热图的文献没有提供清晰的指标来可视化城市热影响,包括规划用途的土地使用和气候变化的后果。本文介绍了一种逐步方法,以开发单个复杂指标来绘制城市热影响图,以适应当地的气候适应计划过程。将有关气候驱动因素和土地利用特征的信息合并在一起,并预测未来的土地利用和气候变化影响。接下来,开发了几种可视化技术来研究哪种技术在一次可视化中最有效地可视化具有多个变量的复杂信息。执行可用性测试以调查指标和地图如何满足决策者的信息和沟通需求。我们的发现表明,重要的是增加有关未来影响的信息,以在当地范围内制定适应计划议程。事实证明,在地图系列演示文稿中应用制图技术可以有效地将复杂信息映射到单个图像中,并满足大多数已确定的信息需求。根据我们的发现,我们介绍了信息丰富化链,作为支持本地适应规划的有前途的方法。

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