21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
6th Edition
ISBN: 9780393874921
Author: PALEN
Publisher: Norton, W. W. & Company, Inc.
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Chapter 9, Problem 12QP
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3. Calculate the geostrophic wind speed in meters per second for a geopotential height
gradient of 102 m per 1000 km. Compare this value with the four gradient wind
speeds for the same height gradient and a radius of curvature of 500 km. Identify
the anomalous and normal cyclones and anticyclones. Assume f = 10-4 s¯¹. [~
Holton 3.4]
-1
S
2. Show that the divergence of the geostrophic wind is – v,(cot $)/a if the
variations in fwith latitude are accounted for (i.e., use the full definition of
the Coriolis parameter f = 2.0 sin p). To derive this relationship, recall that
on a spherical planet, the distance north is y = aø, where ø is latitude (in
radians) and a is the radius of Earth (6,370,000 m). Thus, a derivative in y
can be expressed as a derivative in latitude o via the following relationship:
a 1 a
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а дф
If we pushed the Earth closer to the Sun, it would develop a thick, CO2-rich atmosphere like Venus. All of that CO2 would come from the Earth's
a.
sea floor after the oceans evaporate
b.
mantle after the crust melts
c.
volcanic eruptions which would become more frequent
d.
polar regions after the ice caps melt
Chapter 9 Solutions
21ST CENT.ASTRONOMY(LL)W/CODE WKBK PKG.
Ch. 9.1 - Prob. 9.1CYUCh. 9.2 - Prob. 9.2CYUCh. 9.3 - Prob. 9.3ACYUCh. 9.3 - Prob. 9.3BCYUCh. 9.4 - Prob. 9.4CYUCh. 9.5 - Prob. 9.5CYUCh. 9 - Prob. 1QPCh. 9 - Prob. 2QPCh. 9 - Prob. 3QPCh. 9 - Prob. 4QP
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- The ocean is mostly heated from the top, by light from the sun. The warmer surface water doesn’t mix much with the colder deep ocean water. This lack of mixing can be ascribed to a lack ofA. Conduction. B. Convection.C. Radiation. D. Evaporation.arrow_forwardQUESTION 3 The surface of Venus receives a. a lot more sunlight than the surface of the Earth b. much less sunlight than the surface of the Earth c. about as much sunlight as the surface of the Earth QUESTION 4 Venus has very low surface wind speed because a. the greenhouse effect makes the surface temperature nearly uniform b. it has a very thin atmosphere c. the thick clouds don't allow for much convection in the atmosphere d. it doesn't have a large moonarrow_forwardBecause of the lack of a temperature difference between the equator and poles of Jupiter, the a. cyclonic circulations on Earth are duplicated on Jupiter. b. high- and low-pressure regions are drawn into bands by the planet’s rapid rotation. c. belt-zone circulation is only a temporary phenomenon. d. belt-zone circulation is exceptionally stable. e. belt zone circulation is an illusion produced by the interaction of sunlight and chemicals in the Jovian atmosphere.arrow_forward
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