Tidal effects cause the rotation rate of the earth to steadily slow, leading to longer days (although only slightly: the length of a day is increasing at a rate of about 1.7 milliseconds per century). Consider the situation where the rotation rate slows by 1%, so it becomes 0.99 × 24hrs. If the atmospheric density field remains unchanged while the planet's rotation rate slows, will typical midlatitude synoptic-scale winds get faster or slower, and if so, by approximately what percentage will they change?

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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Tidal effects cause the rotation rate of the earth to steadily slow, leading to longer
days (although only slightly: the length of a day is increasing at a rate of about 1.7
milliseconds per century). Consider the situation where the rotation rate slows by 1%,
so it becomes 0.99 × . If the atmospheric density field remains unchanged while
the planet's rotation rate slows, will typical midlatitude synoptic-scale winds get faster
or slower, and if so, by approximately what percentage will they change?
24 hrs
Transcribed Image Text:Tidal effects cause the rotation rate of the earth to steadily slow, leading to longer days (although only slightly: the length of a day is increasing at a rate of about 1.7 milliseconds per century). Consider the situation where the rotation rate slows by 1%, so it becomes 0.99 × . If the atmospheric density field remains unchanged while the planet's rotation rate slows, will typical midlatitude synoptic-scale winds get faster or slower, and if so, by approximately what percentage will they change? 24 hrs
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