Abstract
The rapid proliferation of geospatial technologies and the widespread utilization of Web and mobile maps by nonexpert audiences spurred new perspectives and research paradigms within geography. One area affected by this transformation is citizen science, where geospatial technologies facilitated its more widespread use and revolutionized the way scientific knowledge is coproduced, especially in the environmental context. Geographic citizen science is widely used to support the collection and analysis of geolocated scientific data, extend existing geographic data coverage, and enable communities to address local issues. The inherent complexity of geospatial interfaces and data is widely recognized and there is a wealth of geographic research focusing on improving human–map interactions, with less emphasis, nevertheless, given to citizen science. Not only do these applications have their unique characteristics, but inclusiveness is paramount, which further adds to these complexities. Through an investigation of 229 geographic citizen science applications, we provide an overview of how geographic interfaces are currently employed in citizen science. We then evaluate a selection of applications to identify critical usability barriers, which might have a detrimental impact on the overall user experience and the success of these projects. Among others, we found that geographic citizen science applications need to better support visual thinking and leverage participants’ geographic knowledge. We subsequently provide a set of recommendations for map design and functionality and identify opportunities for future geovisualization research.
Published Version
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