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?
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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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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