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geog > time > Flashcards

time Flashcards

1
Q

important factor in tropical cyclone development

A

coriolis force, air pressure, water temperature

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2
Q

Which is not a risk to aviation safety

A

el nino

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3
Q

Tropical cyclone mitigation factor

A

low water temperature, wind shear, large land masses

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4
Q

These storms have a cold core and can stretch over 1,000 miles

A

mid latitude cyclone

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5
Q

Which storm type does not form along frontal boundaries

A

hurricanes

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6
Q

How did people keep time before the advent of clocks?

A

looking at the sun and stars, daily tasks such as milking a cow, observing the monthly cycle of the moon

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7
Q

What issue did the creation of America’s rail network encounter early on?

A

scheduling problems

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8
Q

Major impact of cheap, accurate watches on America:

A

Sporting events become regularly scheduled, Being punctual becomes fashionable, Cooking recipes become standardized

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9
Q

How does your phone know where you are? (one - three words)

A

triangulation, satellite stamps, time stamps, satellite time stamp

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10
Q

When did people begin to work on artificial time?

A

During the industrial Revolution

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11
Q

Why do U.S. submarines use an 18 hour day when at sea?

A

More efficient use of space and personnel resources onboard

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12
Q

Why is a leap second periodically added to U.S. standard time?

A

Earth’s rotation slowing down

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13
Q

Heading east you go back in time 24 hours after crossing the International Date Line

A

true

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14
Q

About how high can sprites reach?

A

30 to 60 miles up

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15
Q

What continent is home to the most frequent lightning strikes?

A

Africa

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16
Q

The Equator connects all points halfway between which two points?

A

North and South poles

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17
Q

The stunning northern lights (shown) are known as the:

A

Aurora borealis

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18
Q

the layer of the atmosphere in which meteors burn up

A

mesosphere

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19
Q

earth north pole points towards

A

polaris

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20
Q

a high cloud composed of ice crystals with a feathery appearance

A

cirrus

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21
Q

at high latitude, earths radiates ______ energy in relation to energy received

A

more

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22
Q

These rays have the highest frequency and shortest wavelength:

A

gamma

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23
Q

These storms have warm cores:

A

hurricanes

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24
Q

Without the influence of coriolis force air would flow

A

perpendicular to the pressure gradient

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25
Q

The atmosphere is heated mostly by

A

Counter-radiation from earth’s surface

26
Q

earths rotational speed ____ as you move away from the equator

A

decreases

27
Q

opposite of sublimation (solid to gas)

A

deposition (gas to solid)

28
Q

The cooling of an air mass due to expansion

A

adiabatic cooling

29
Q

The lifting of air over mountains

A

orographic uplift (oro means mountain)

30
Q

Over a six month period, the subpolar point migrates across __ degrees of latitude

A

47

31
Q

As you move away from the equator’s latitude the troposphere

A

becomes thinner

32
Q

The heat-index temperature is measured by __________.

A

relative humidity and temperature

33
Q

a boulder perched on a cliff is an example of this type of energy

A

potential

34
Q

Which location has the lowest annual temperature range

A

at a low latitude and near the ocean

35
Q

Which is false with regards to wind shear

A

Strong shear fosters hurricane development

36
Q

All locations on earth receive 12 hours of daylight:

A

equinox

37
Q

The path Earth follows as it orbits the sun is known as the

A

Plane of the ecliptic

38
Q

Smallest on the synoptic storm scale

A

single cell thunderstorms

39
Q

At sea level there are ___ pounds per square inch pf air pressure on average

A

14.7

40
Q

Which is a main characteristic of the stratosphere?

A

permanent temperature inversion

41
Q

Koppen Climate type found in the Southern California

A

Csa

42
Q

Lines of Equal temperature are known as

A

isotherms

43
Q

When the sun is directly above the Equator:

A

Equinox

44
Q

Where are the Tropics of Cancer and Capricorn?

A

23.5 degrees north and south of the equator

45
Q

In measuring East and West where is 0 degrees longitude?

A

Prime Meridian

46
Q

How many degrees can we go away from the equator before approaching it again?

A

90

47
Q

Which compass direction is the sun always in from all vantage points in the continental U.S.?

A

South

48
Q

Sprites are found in this layer of the atmosphere: (one word)

A

Mesosphere

49
Q

The most powerful bolts of lightning discharge over 1 billion volts of electricity

A

True

50
Q

Why is earth’s airglow layer visible from space?

A

Energy transfer from the sun to the atmosphere

51
Q

How were sprites discovered?

A

USAF Pilots

52
Q

The global electromagnetic circuit generated and excited by lightning discharges:

A

Schumann resonance

53
Q

About how hot is lightning?

A

4-5 times hotter than the sun

54
Q

About how often does lightning flash worldwide?

A

2,000 times a minute

55
Q

Which is false regarding the Thermosphere?

A

Air pressure is over 10,000 hPa

56
Q

Using rocks as clocks is known as _______ time

A

geologic

57
Q

What was the primary factor that determined the boundaries of American time zones?

A

Railroad line end points

58
Q

What two times did ships need in order to determine their longitude?

A

Local time on-board and time at origin

59
Q

How did accurate clocks change medicine beginning in the 16th century?

A

Ability to record a pulse rate

60
Q

Cold fronts are indicated with triangles pointing away from their paths

A

FALSE

61
Q

A north easter is this type of storm

A

mid-latitude cyclone

62
Q

This type of storm has a warm core

A

hurricane, tropical cyclone, typhoon

geog (1 decks)

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