Journal
JOURNAL OF MAPS
Volume 17, Issue 4, Pages 241-252Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17445647.2020.1746419
Keywords
Anthropogenic landform; geomorphologic map; topographic change; structure-from-motion; historical aerial photography
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This study highlights the importance of using detailed geomorphologic maps to plan land in urban areas, and the application of geospatial modeling to quantify anthropogenic landform changes. Incorporating anthropogenic landforms into detailed geomorphologic maps can better manage land, identify hazards, and address challenges posed by urbanization.
Increasing urbanization and suburban growth in cities globally has highlighted the importance of land planning using detailed geomorphologic maps that depict anthropogenic landform changes. Such mapping provides information crucial for land management, hazard identification, and the management of the challenges arising from urbanization. The development and use of quantitative and repeatable methods to map anthropogenic and natural processes are required to advance the science of urban geomorphological mapping. This study investigated the application of geospatial modeling, structure-from-motion (SfM) photogrammetric methods and DEM differencing as means of quantifying anthropogenic landform changes from archival aerial imagery. Anthropogenic landforms were incorporated into a detailed geomorphologic map in an urbanizing watershed located in the Washington, D.C. metropolitan suburb of Vienna, Virginia.
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