Barometric Gradient and Wind Force: Report to the Director of the Meteorological Office on the Calculation of Wind Velocity from Pressure Distribution ... Elements with Altitude (Classic Reprint) - Softcover

Gold, Ernest

Softcover

ISBN 10: 1527609227 ISBN 13: 9781527609228

Publisher: Forgotten Books, 2018

Synopsis

Excerpt from Barometric Gradient and Wind Force: Report to the Director of the Meteorological Office on the Calculation of Wind Velocity From Pressure Distribution and on the Variation of Meteorological Elements With Altitude

But to keep up this state of things for any considerable time it would be necessary for the pressure gradient across the line of the great circle to be always available, constant in relative direction, and adjusted in magnitude to suit the latitude throughout the journey, a state of affairs which is entirely contrary to experience. It would be idle to form a picture of a current of air moving all round the girdle of the Earth, with a persistent coercive force of pressure from right to left of the appropriate magnitude. It would bear only transient and occasional resemblance to actual fact. In practice, as the air moves along the surface, it passes into positions where the pressure gradient is different in direction or in magnitude, or in both, from that experienced at the point of departure, even when allowance is made for change of latitude. If the Earth's rotation alone came into consideration, persistent motion of air, motion without any considerable change of velocity would hardly come within the purview of practical meteorology.

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Edition details

• Publisher: Forgotten Books
• Publication date: 2018
• Language: English
• ISBN 10: 1527609227
• ISBN 13: 9781527609228
• Binding: Paperback
• Number of pages: 74