Understanding Glaciers and Sea Level Rise Through GPS Monitoring
Delve into the intricacies of glaciers and their impact on sea level rise by exploring how GPS technology aids in tracking glacier mass changes. Learn about the effects of melting glaciers on sea levels, possible consequences, and methods for measuring glacier mass variations using GPS stations.
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INTRODUCTORY INFORMATION ABOUT GLACIERS & SEA LEVEL CHANGE Module: Measuring the Earth with GPS Unit 3: Glaciers, GPS, and Sea Level Rise By Karen M. Kortz and Jessica J. Smay This work is supported by the National Science Foundation s Directorate for Education and Human Resources (TUES-1245025, IUSE- 1612248, IUSE-1725347). Version: 9 January, 2019 Questions, contact education-AT-unavco.org
DIAGRAMOFA GLACIER Ice added to glacier through snowfall Ice flows through glacier Ice removed from glacier through melting Author: Kelvinsong Diagram from https://commons.wikimedia.org/wiki/File:Glacier_diagram.svg
GLACIAL MASS The amount of ice in a glacier depends on the additions (snow) vs. subtractions (melting) Margerie Glacier, Alaska NPS Photo; From https://www.nps.gov/articles/howglaciersmove.htm
CHANGING GLACIAL MASS Describe how the size of a glacier would change if the additions (snowfall) and subtractions (melting) were not equal Athabasca Glacier, Alberta Canada Photo by David Stanley. From https://www.flickr.com/photos/davidstanleytravel/27443088699
ASGLACIERSMELT, SEALEVELRISES What are some possible effects of sea level rise?
EXAMPLESEALEVELRISEIMPACTS Increased coastal flooding & storm surges Vulnerable infrastructure Changing food resources
MEASURING GLACIAL MASS Brainstorm how scientists can measure whether the amount of ice in a glacier is changing
MEASURING GLACIAL MASS In the following activities, you will learn how GPS stations like this one continuously measure the changing size of glaciers Laube Glacier, Greenland. Photo by Michael Willis, Cornell University.
