Mapping cross-scale economic impacts of storm surge events: considerations for design and user testing

David Retchless, William Mobley, Meri Davlasheridze, Kayode Atoba, Ashley D. Ross and Wesley Highfield

Journal of Maps, 2021, vol. 17, issue 1, 123-135

Abstract: Cartographic display of cross-scale phenomena and user-centered design are considered through a discussion of the development of an interactive web map depicting local-to-national economic impacts of hurricane storm surge events in Galveston Bay, Texas. Map development and design (as informed by stakeholder focus groups) is described, including approaches to presenting complex, cross-scale impacts of surge events across multiple years and scenarios. Particular consideration is given to how designs may communicate complexity without overly taxing users’ mental and perceptual resources (measured via NASA task-load index) or outstripping their mapping/domain expertise. The map produced uses linked map views to communicate multiple, cross-scale storm surge impacts. The production process and associated user testing highlighted the importance of matching tool complexity to users’ needs and levels of expertise, including through the use of tiered interface design. Optimizing the design of such maps to meet users’ needs is essential to fostering public hazard literacy.

Date: 2021
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DOI: 10.1080/17445647.2021.1940325

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