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Hi. My name is Marvin Giesting and I teach Chemistry and Advanced Placement Physics at Connersville High School in rural southeastern Indiana. This is my hometown and I have been teaching here for 16 years. I am also the webmaster for the high school's website as well as for the Hoosier Association of Science Teachers, Inc. I have a Bachelors degree from Indiana University and a Masters degree from Ball State University. I have a big interest in incorporating computer technology into my curriculum, utilizing the use of webpages for personal classroom resources and also using the computer with a lab interface to gather and analyze lab data.

Along with my wife Kim (also a TEA) and our Sheltie Malcolm, we enjoy living on three rolling acres in the country where we grow lots of vegetables and fruits during the summer. We both enjoy traveling and have explored Japan extensively as well as Belize, Ecuador and much of the United States and Canada. We enjoy outdoor activities such as camping, hiking, rafting and canoeing. My personal hobbies include woodworking, gardening and restoring/collecting electromechanical pinball and arcade games.

I am really looking forward to my experiences in Alaska and eventually returning to the classroom to share them.


Dye Tracer Study of the Matanuska Glacier Subglacial Hydrologic System
Dr. Edward Evenson, Lehigh University

I will be working with Dr. Ed Evenson of Lehigh University on the Matanuska Glacier in the Chugach Mountains of Alaska. The research will involve a one month study of the subglacial drainage system of the Matanuska Glacier. We will try to determine the geometry of the subglacial hydrologic system by dye tracer studies which is a standard technique in studying glacier hydrology. We will inject concentrated dye "slugs" into moulins (holes in the glacier) located 1-3 km upglacier of the terminus and, using ISCO automatic water samplers, recover water on an hourly basis from the exit vents located at the glacier terminus. This water will be filtered and run through a fluorometer to establish a dye concentration vs. time curve. Mathematical analysis of the dye curve can be used to model the shape and connectivity of the subglacial conduit system.





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