Unit 2: Geophysical Properties of the Subsurface part of IGUaNA:Teaching Materials:Evaluating the Health of an Urban Wetland Using Electrical Resistivity
Archie (1950) defined the term petrophysics to describe the study of the physics of rocks, particularly with respect to the fluids they contain. Although originally focused on geophysical exploration, petrophysics ...

Unit 1: Exploring Harrier Meadow, an Urban Wetland System part of IGUaNA:Teaching Materials:Evaluating the Health of an Urban Wetland Using Electrical Resistivity
Students will conduct a virtual exploration of Harrier Meadow, a salt marsh in the New Jersey Meadowlands. They will identify its vulnerability to pollution, its tidal connection to the Hackensack Estuary and the ...

Unit 5: Integrated Geophysical Interpretation and Comparison with Ground Truthing part of IGUaNA:Teaching Materials:Evaluating the Health of an Urban Wetland Using Electrical Resistivity
In this unit, students explore spatial associations between the three-dimensional electromagnetic (EM) conductivity inversions and the visible patterns of Salicornia (pickleweed) introduced in Unit 1, Exploring ...

Unit 3: Codorus Creek Case Study: Measuring and Interpreting Seismic Refraction Data part of IGUaNA:Teaching Materials:Measuring Depth to Bedrock Using Seismic Refraction
This unit presents an applied case study example and the associated concepts related to designing a seismic survey and analyzing the data. It discusses parts of the instrument and presents practical experience ...

Unit 1: Introducing Shallow Seismology to Explore Our Subsurface Environment part of IGUaNA:Teaching Materials:Measuring Depth to Bedrock Using Seismic Refraction
This introductory unit is designed to provide a standalone introduction to geophysical imaging of the shallow subsurface, motivate students to become invested in the topic, provide career context for these ...

Unit 3: Natural and Agricultural Erosion Rates part of A Growing Concern
Students will identify their perceptions of erosion by examining images of mountain and agricultural landscapes and discussing which environment is more erosive. They will use geospatial figures to compare erosion ...

Unit 3: Case Studies and Limitations of GPR part of IGUaNA:Teaching Materials:Forensic Geophysics Using Ground Penetrating Radar
This unit considers some ways to distinguish objects from each other while emphasizing the possibility of misinterpreting data. GPR imaging can be an excellent tool for detecting buried objects. However, as with ...

Module Overview for Instructors part of IGUaNA:Teaching Materials:Forensic Geophysics Using Ground Penetrating Radar
Pipes, Tree Roots or Unmarked Graves? Using Ground Penetrating Radar for Forensic Geophysics The Ground-Penetrating Radar module of IGUaNA is designed to expose students to geophysical concepts and societal ...

Locating Subsurface Features using Gravity and Magnetics part of IGUaNA:Teaching Materials:Locating Subsurface Features using Gravity and Magnetics
This module introduces students to the fundamentals of exploring the subsurface with gravity and magnetism. Unit 1 provides a scaffolded introduction to locating buried objects with gravity. Unit 2 explores the ...

Measuring Depth to Bedrock Using Seismic Refraction part of IGUaNA:Teaching Materials:Measuring Depth to Bedrock Using Seismic Refraction
This module introduces students to using the active seismic method and illustrates how geophysics can inform engineering projects in an urban environment. Students are first introduced to seismic data as individual ...