Shifting surface
satellite imagery of the Arctic Sea ice and climate change discourse
DOI:
https://doi.org/10.11606/issn.2238-7714.no.2020.171993Palabras clave:
Climate change communication, Environmental visuality, Arctic Sea ice, Visual discourse analysisResumen
This research explores how satellite images of Arctic sea ice contribute to climate change discourse. Different discourses require distinct responses. Policy measures are contingent upon representation, be it i.e. a threat or opportunity. The representations discussed are by the NSIDC and NASA, which hold a visual hegemony. First, the introduction discusses visual studies in policy research and identifies a simplified dichotomy of a threat discourse and environmental citizenship. Moreover, the methodology of visual discourse analysis based on poststructuralism is described. The delineated images portray a vertical, planar view allowing for spatial reference. Arctic sea ice is a visible climate change effect and the absence of boundaries, intervisuality with the Earthrise icon and focus on environmental effects support a discourse of citizenship.
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