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Purpose
Purpose
Time-lapse photography offers unique advantages over purely qualitative or quantitative methods by seamlessly integrating elements of both. Whether positioned close to a subject for micro-scale observation or elevated on a mast to capture macro-scale dynamics, a high-resolution camera can produce a continuous series of images—often spanning an entire annual cycle. These images may be analyzed individually to extract precise quantitative data or viewed as a sequence to reveal broader contextual insights, such as patterns of weathering or the influence of surrounding features.
As a method, time-lapse photography casts a wide observational net, capturing both known and potentially unforeseen extrinsic variables. In doing so, it serves as a valuable complement to more targeted techniques focused on monitoring intrinsic characteristics, enriching the overall understanding of complex systems.
Still frame from March 11, 2019
Still frame from March 13, 2019
After conducting the time-lapse at Pecos, it became clear that certain points of the wall accumulated more snow compared to others. This snow, when melted, will introduce water both into the vertical and horizontal surfaces of the wall. The time-lapse also demonstrated that south-facing walls typically are exposed to the most solar gain throughout the year.
Such real-time observations of weather phenomena such as precipitation (e.g. snow) reveal why conditions may vary across the site and help explain the range of condition types and extent by location and direct more focused interventions. This information can be utilized for various interpretation and treatment campaigns in the future.
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