• Forces and Winds: online meteorology guide
  The weight of the air above an object exerts a force per unit area upon that object and this force is called pressure. Variations in pressure lead to the development of winds, which in turn influence our daily weather. The purpose of this module is to introduce pressure, how it changes with height and the importance of high and low pressure systems. In addition, this module introduces the pressure gradient and Coriolis forces and their role in generating wind. Local wind systems such as land breezes and sea breezes will also be introduced
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• Introduction to Ethical Theory
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• ISU Bioethics Outreach--Constructing ethical theory
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• Measures
  Metric System
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• Remote Sensing Tutorial Page 16-1
  This Section surveys one general but vital idea and then addresses how the Earth Sciences community is responding to implementing the outgrowths of this idea. A new field seems to have emerged in the last 20 years. It goes by the imposing name: Earth System(s) Science. But, its ingredients have been around for a long time (some of the components make up the contents of Physical Geography textbooks). The basic notion is this: instead of treating such fields as meteorology, oceanography, botany, ecology, living creatures, aspects of geology, etc. as discrete, self-contained knowledge bases, recognize that they are all part of the same system that controls the Earth, and hence all pointed towards a central common theme, and then cross-link (integrate) the n...
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