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Links
When North Goes South
www.psc.edu/science/Glatzmaier/glatzmaier.html
Dr. Gary Glatzmaier of the University of California at Santa Cruz, one of the geomagnetism experts featured in the NOVA program "Magnetic Storm," maintains this informative Web page, where you can view animations and read accurate information on magnetic field reversals.
USGS Geomagnetism Homepage
geomag.usgs.gov
The U.S. Geological Survey (USGS) offers an extensive selection of magnetic field models, maps, time lines, and other data.
National Geophysical Data Center
www.ngdc.noaa.gov
Though it seems quite technical, this site offers a wide variety of fun activities geared around the topic of Earth's magnetism. Visit the site's Educational Resources section and print out colorful magnetic field posters, take a quiz on geomagnetism, browse glossaries and FAQs, and more.
The Aurora Page
www.geo.mtu.edu/weather/aurora
The Michigan Technological University's Web site features a detailed page on auroras, where you can browse images, find dozens of links, and even listen to the sound an aurora makes, which is caused by electromagnetic energy vibrations.
Aurora Viewing Tips
sec.noaa.gov/Aurora
Give yourself the best possible chance of seeing a real-life aurora display in the night sky with these viewing tips offered by the National Oceanic and Atmospheric Administration (NOAA).
Magnetic Orientation
www.unc.edu/depts/oceanweb/turtles/mag1.html
This is part of a much larger site that details the work of researchers Ken and Catherine Lohmann, who study the fascinating migratory abilities of loggerhead sea turtles. Several pages beginning here describe experiments that revealed how loggerheads detect and use the Earth's magnetic field.
Books
The Magnetic Field of the Earth: Paleomagnetism, the Core, and the Deep Mantle
by Ronald T. Merrill, Michael W. McElhinny, and Phillip L. McFadden. New York, Academic Press, 1996.
Magnetic Orientation in Animals
by Roswitha Wiltschko. New York: Springer-Verlag, 1995.
The Aurora Watchers Handbook
by Neil Davis. Fairbanks: University of Alaska Press, 1992.
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