EAS212 Lecture 7: notes_lecture07

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Pressure: pressure depends on the weight of overlying air/water. The thicker the column of air/water, the higher the pressure. In the atmosphere, high and low pressure centers are also associated with cold and warm air: column of cool dense air high pressure at the surface, column of warm, less dense air low pressure at the surface. Pressure gradient: given a difference in pressure between locations, the air flows from high to low pressure. The coriolis effect is named after the french engineer gaspard. It changes the intended path of a moving body in a rotating system: causes objects moving on the earth to follow curved paths due to. Earth"s rotation to the east: objects actually travel in straight lines (as per newton"s laws of. Motion) but since the earth rotates underneath them, the objects appear to follow curved paths: acts on all moving objects but most pronounced on objects travelling long distances.

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