Measuring the Inclination and Declination of the Earth's magnetic field with a smartphone part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Avradip Ghosh, University of Houston-University Park
The poles of the Earth's magnetic field are not precisely aligned with the geographic north and south poles and, in fact, vary continuously. This activity introduces to students the Earth's magnetic ...

Working with Point Clouds in CloudCompare and Classifying with CANUPO part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado
This exercise will walk you through 1) basic operations and use in CloudCompare, and 2) use of an Open-Source plugin in CloudCompare called CANUPO (http://nicolas.brodu.net/en/recherche/canupo/) that allows for ...

Getting started with Structure from Motion (SfM) photogrammetry part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Beth Pratt-Sitaula, EarthScope
Structure from Motion (SfM) photogrammetry method uses overlapping images to create a 3D point cloud of an object or landscape. It can be applied to everything from fault scarps to landslides to topography. This ...

Magnetometry at home: a hands-on survey with your smartphone part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Charly Bank, University of Toronto
Using a free app downloaded to their smartphone or tablet device students engage in collecting magnetic field data. Students have to design and document a survey, and are encouraged to do simple quality control. ...

SIGkit (Software for Introductory Geophysics toolkit) for modelling and visualization of data part of Geophysics:Workshop 07:Geophysics Activities
Charly Bank, University of Toronto
Predicting what geophysical data may look like and making basic inferences from data are critical learning outcomes of introductory geophysics courses whether they happen in a classroom or in a field setting. This ...

Introduction to Terrestrial Laser Scanning part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado; Beth Pratt-Sitaula, EarthScope
In this assignment, students analyze terrestrial laser scanner (TLS) data in a similar manner as done previously with structure from motion (SfM) data, earlier in the course. Students compare and contrast the SfM ...

Post-processing GPS/GNSS Base Station Position part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado; Beth Pratt-Sitaula, EarthScope
This assignment uses static GNSS methods to establish a base station used to establish a control point for a kinematic survey (establishing ground control points used in Structure from Motion for Analysis of River ...

Ground Control Points for Structure from Motion part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado; Beth Pratt-Sitaula, EarthScope
This assignment uses real-time kinematic GNSS methods to establish ground control points used in the Day 3 Part 2: Analysis of River Characteristics structure from motion (SfM) activity. Day 3 Part 1 - This ...

DEM of Difference (DoD) part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado
This assignment builds on students' point cloud and raster differencing skills practiced on their SfM and TLS data in the previous assignment. In this assignment, the students use two lidar-derived raster ...

Structure from Motion for Analysis of River Characteristics part of Cutting Edge:Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Sharon Bywater-Reyes, University of Northern Colorado; Beth Pratt-Sitaula, EarthScope
In this assignment, students conduct a Structure from Motion (SfM) survey of the Sheep Draw field site along the Poudre River near Greely, CO. The end product is a point cloud used in additional assignments to ...