1. "You have drawn the temperature profile atmosphere. Air pressure, which is very
of the lower portion of the “U.S. close to 1000 mb at sea level in the
Standard Atmosphere.” The Standard Standard Atmosphere, decreases most
Atmosphere describes representative or rapidly with altitude in the lowest part of
average conditions of the atmosphere in the atmosphere. The Figure 2 diagram
the vertical. As seen in Figure 1, the shows that an air pressure of 500 mb
temperature profile from the surface to (about half that at sea level) occurs at an
11 km depicts the lowest layer of the altitude of about ______ km above sea
atmosphere, called the ______." level."
troposphere 5.5
stratosphere 8.3
m
mesosphere 11.0
er as
thermosphere 16.0
co
eH w
2. "The lower portion of the ______ is 5. "Because air pressure is determined by
o.
evident immediately above 11 km in the weight of the overlying air, half of
rs e
Figure 1 where temperatures remain the atmosphere by weight or mass is
ou urc
steady with increasing altitude through above the altitude at which the air
several kilometers." pressure is 500 mb and half of it is
troposphere below that altitude. In other words, half
o
stratosphere of the atmosphere by weight or mass is
aC s
mesosphere within about ______ km of sea level."
vi y re
thermosphere 5.5
8.3
3. "The troposphere is characterized 11.0
generally by decreasing temperature 16.0
ed d
with altitude, significant vertical motion,
ar stu
appreciable water vapor, and weather. 6. "Other pressure levels can be found
According to the Standard Atmosphere similarly. For example, 10% of the
data that you plotted in Figure 2, the atmosphere is located above the altitude
is
temperature within the troposphere (up where the pressure is ______ mb."
to 11 km) decreases with altitude at the 100
Th
rate of about ______ C degrees per km." 900
4.5
5.1 7. "In other words, it can be seen in Figure
sh
6.5 2 that at the altitude of approximately
______ km above sea level, 10% of the
4. "Air pressure is plotted along the left atmosphere by weight is above and 90%
vertical axis of Stüve diagrams in is below."
millibars (mb) with pressure decreasing 5.5
upward, just as it does in the real 8.3
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