Sara Elizabeth Gran, Paul Robert Bierman, Kyle Keedy Nichols, Carleton College Science Education Resource Center
This field activity may be implemented during late winter or early spring when things have not quite thawed. From a frozen pond, students collect bathymetric data, measure water temperature and conductivity, locate ground-water inputs, and extract a sediment core. Back in the lab, they make hand and computer-contoured bathymetric maps, temperature and conductivity cross-sections, and run visual-core log, loss-on-ignition, and magnetic susceptibility tests. Then they draw conclusions about water movement in the pond, pond-water residence time, and the pond's depositional and hydrologic history. This activity is designed for upper-level undergraduate and graduate-level geohydrology courses. Learning goals, context for use, teaching tips, materials, assessment tips and related resources are provided.
Subject: Geoscience:Hydrology:Ground Water: Field methods in hydrogeology Resource Type: Activities:Field Activity:Importation of field observations into the classroom, Field laboratories Special Interest: Field-Based Teaching and Learning Theme: Teach the Earth:Enhancing your Teaching:Teaching in the Field, Teach the Earth:Teaching Topics:Water, Teach the Earth:Course Topics:Hydrology/Hydrogeology Topics: Hydrosphere/Cryosphere:Groundwater: Field methods in hydrogeologyKeywords: LOI, MS
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