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Ch19-1 Vocab
Chapter 19 Vocabulary
| Definition | |
|---|---|
| barometer | an instrument that measures atmospheric pressure |
| Coriolis effect | the apparent deflective force of Earth's rotation on all free-moving objects, including the atmosphere and oceans; Deflection is to the right in the Northern Hemisphere and to the left in the Southern Hemisphere |
| isobars | lines on a map that connect places of equal pressure |
| jet stream | swift (120-240 kilometers per hour), high-altitude winds |
| pressure gradient | the amount of pressure change occurring over a given distance |
| air pressure | the force exerted by the weight of a column of air above a given point |