Monday, June 9, 2008

Isopleths


Isopleths are contour lines or isolines that connect points of equal value on meteorological maps. Isobars, isohyets, isotachs are examples of isopleths. This map is part of a study on how climate affects Salmon survival in the Pacific Northwest, and uses Isopleths to show coastal wind velocity averaged over years 1946-1994.

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