Abstract
Historically, repeat coverage enabled change detection and study of landscape evolution. Today, digital cameras and videography permit new capabilities in terms of producing ground, aerial, and space ‘photography,’ as geomorphologists still rely on spatial data collected from camera sensors that enable them to collect field data and document geomorphic events and environmental change. Active geomorphological research now involves the acquisition of digital photography/imagery, videography, and the use of historical photography, as historical data must serve as baseline data that is compared to recently collected data for detecting and measuring geomorphic change. Digital camera technology has rapidly evolved, and scientists now use these sensors to record flooding, volcanic, mass movement, and other events. Movies and videos of geomorphic phenomena, especially transient processes such as landslides, debris flows, or time-lapse glacial activities are an essential research and teaching element. Finally, new gigapixel-panorama (gigapan) technology will provide new capabilities to assess multiscale geomorphic phenomena.
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