Isotach
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An isotach is a line of equal or constant wind speed on a graph, plot, or map; an isopleth of wind speed.
External links
- National Science Digital Library - Isotach (http://www.nsdl.arm.gov/Library/glossary.shtml#Isotach)
- Drawing Contour Plots (http://avc.comm.nsdlib.org/cgi-bin/wiki_print.pl?Drawing_Contour_Plots). A lesson plan that deals with drawing various isopleths including isotachs.