Chapter 1 Mats Flashcards

WIN! (58 cards)

1
Q

whats the diameter of the earth (mi)

A

7,900 mi

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2
Q

diameter of earth (km)

A

12,750 km

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3
Q

how long is orbit of geostationary satellite?

A

one day

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4
Q

length of orbit of polar orbiting weather satellites

A

100 minutes

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5
Q

do noctilucent clouds influence the weather

A

no

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6
Q

where are the clouds that influence the weather

A

troposphere

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7
Q

how can we see high altitude clouds

A

reflection of light from the sun (illuminates)

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8
Q

why is there a thickness difference in the tropopause, depending on your location on earth?

A

earth’s rotation

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9
Q

weather

A

atmospheric state at a given time and place

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10
Q

climate

A

generalization of weather conditions

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11
Q

what determines climate

A

all weather data for a specific region

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12
Q

can climate data predict the weather

A

no!

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13
Q

hypothesis

A

proposed explanation for some phenomenon

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14
Q

theory

A

well tested and widely accepted view that explains certain facts/observation

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15
Q

what are two functions of the atmosphere?

A
  1. provides air we breathe

2. protects from sun’s UV rays

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16
Q

hydrosphere

A

evaporating mass that goes from oceans to atmosphere

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17
Q

lithosphere

A

the ground

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18
Q

biosphere

A

life

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19
Q

nitrogen abundance %

A

78%

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20
Q

oxygen %

A

21%

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21
Q

argon %

A

1%

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22
Q

where is the ozone concentration

A

stratosphere

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23
Q

distance from sun

A

93 million miles

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24
Q

what is atmospheric pressure

A

the weight above of the air above

25
atm pressure unit of measure
millibar (mb)
26
in regards to pressure, what happens with an increase in altitude?
rate of pressure decreases
27
where are the majority of earth's gases present?
earth's surface
28
what are the 4 layers divided by?
temperature
29
trosphere
where we live | -avg temps dec w/ inc in alt.
30
environmental lapse rate
temperature decrease in the tropopause | -"normal lapse rate"
31
how high up is the tropopause
12 km
32
what is above the tropopause
stratosphere
33
stratosphere
higher temperatures due to ozone concentration (absorbs UV)
34
where is there a temperature inversion, and why?
stratosphere, b/c cold air lies below warm air
35
whats above the stratosphere
mesosphere
36
mesosphere
temps decrease with inc in alt. until mesopause - cold - hasn't been explored much
37
mesopause height
80 km
38
stratopause height
50 km
39
whats above mesopause pause
thermosphere
40
thermosphere
temperatures increase, no top boundary | -tiny fraction of earth's mass
41
temperature definition
avg. speed at which molecules move
42
ionosphere
has auroras
43
what powers earth's system
the sun | heat from earth's core
44
shape of earth
oblate spheroid
45
what're the three constant gases
nitrogen, oxygen, argon
46
pressure formula
force/area supporting the force
47
area of sphere
4*pi*r^2
48
how to find F from C
9/5(temp of C) + 32 degrees
49
F boiling/freezing
212, 32
50
C boiling/freezing
100, 0
51
how to find K from C
C + 273
52
where do F and C meet
-40 degrees
53
speed of light
300 million m/s
54
speed formula
wavelength*frequency
55
what is the perfect emitter
a blackbody
56
if its a good emitter, then its a good____
absorber
57
where is the sun
on the main sequence
58
Stephan boatsman law
E=e*sigma*abs temp^4 - e is emissivity, blackbody 1 - e ranges from 0 to 1