GPS, TLS, and SfM teaching resources

Beth Pratt-Sitaula pratts... at unavco.org
Sat Jan 7 05:59:58 MST 2017


Hello Teaching Geodesy Interest Group

Two new GETSI (GEodesy Tools for Societal Issues) teaching modules were published last month that you may be interested in. http://serc.carleton.edu/getsi <http://serc.carleton.edu/getsi>

Analyzing High Resolution Topography with TLS and SfM (Majors level; Field Collection) <http://serc.carleton.edu/getsi/teaching_materials/high-rez-topo>
Geodetic imaging technologies have emerged as critical tools for a range of earth science research applications from hazard assessment to change detection to stratigraphic sequence analysis. In this module students learn to conduct terrestrial laser scanner (TLS) and/or Structure from Motion (SfM) surveys to address real field research questions of importance to society. Both geodetic methods generate high resolution topographic data and have widespread research applications in geodesy, geomorphology, structural geology, and more. The module can be implemented in four- to five-day field course or as several weeks of a semester course. Prepared data sets are available for courses unable to collect data directly. Instructors can request support for some types of technical assistance from UNAVCO, which runs NSF's Geodetic Facility.


GPS, Strain, and Earthquakes (Majors level) <http://serc.carleton.edu/getsi/teaching_materials/gps_strain/>
Understanding how the Earth's crust deforms is crucial in a variety of geoscience disciplines, including structural geology, tectonics, and hazards assessment (earthquake, volcano, landslide). With the installation of numerous high precision Global Positioning System (GPS) stations, our ability to measure this deformation (strain) has increased dramatically, but GPS data are still only rarely included in undergraduate courses, even for geoscience majors. In this module students analyze GPS velocity data from triangles of adjacent GPS stations to determine the local strain. Students learn about strain, strain ellipses, GPS, and how to tie these to regional geology and ongoing societal hazards. A case study from the 2014 South Napa earthquake helps students make connections between interseismic strain and earthquake displacements.



These join the already published modules on:
Ice Mass and Sea Level Changes (Introductory level) <http://serc.carleton.edu/getsi/teaching_materials/ice_sealevel/index.html>
Imaging Active Tectonics with InSAR and LiDAR data (Majors level) <http://serc.carleton.edu/getsi/teaching_materials/imaging_active_tectonics/index.html>

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