![Global Wind Systems [Pdf] Website](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Global Wind Systems [Pdf] Website")
Idaho State University
Global Wind Systems [Pdf]
A great description of the global scale circulation and heat energy. Discusses a single-cell model, a three-cell model, jet streams and more.
NASA
Nasa: El Nino
A concise explanation of El Nino. Discusses global wind patterns and ocean temperatures. Offers interactive weather-related learning activities.
PBS
Pbs Learning Media: Water Vapor Circulation on Earth
This simulation from the National Center for Atmospheric Research portrays annual patterns in water vapor and precipitation across the globe, illustrating general circulation patterns as well as seasonal and regional variation. [4:52]
University of Calgary
European Voyages of Exploration: 15th & 16th Centuries
This award-winning website from the University of Calgary's History Department is both impressive and extensive. It focuses on Portuguese and Spanish expeditions of the 15th and 16th centuries (the sitemap provides a good outline of...