Exam 1 Flashcards

Key Terms (62 cards)

1
Q

Parallels

A

Concentric circles that are equal distance apart

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2
Q

Meridians

A

pole to pole lines that are not equal distance apart and do not connect

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3
Q

Global Information System

A

information represented as data layers

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4
Q

Global Positioning System (GPS)

A

a collection of satellites orbiting Earth that send radio signals to describe positioning to land-based receivers

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5
Q

Passive Remote Sensing

A

a type of remote sensing where instruments simply receive naturally occurring signals

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6
Q

Examples of Passive Remote Sensing

A

cameras, thermal infrared

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7
Q

Active Remote Sensing

A

an energy source directs energy to an area and reads the returning signals

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8
Q

Examples of Active Remote Sensing

A

e.g. radiosondes, microwaves

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9
Q

Latitude

A

Decided by the angle created by an object’s position relative to the center of the Earth

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10
Q

Longitude

A

decided by an object’s position relative to the Prime Meridian (Greenwich, UK)

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11
Q

Troposphere

A

The first layer of the atmosphere; surface-level, hot -> cold

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12
Q

Stratosphere

A

The second layer of the atmosphere; where weather processes occur, cold -> hot

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13
Q

Mesosphere

A

The third layer of the atmosphere; where meteors deteriorate to create “shooting stars,” hot -> cold

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14
Q

Thermosphere

A

The fourth and final layer of the atmosphere; where harmful rays from the Sun are intercepted, cold -> hot

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15
Q

Tropopause

A

The lid on top of the troposphere

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16
Q

Stratopause

A

the lid on top of the stratosphere

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17
Q

Mesopause

A

the lid on top of the mesosphere

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18
Q

Thermopause

A

the lid on top of the thermopause

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19
Q

Composition of the Atmosphere

A

Nitrogen (78%), oxygen (21%), argon (1%)

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20
Q

Electromagnetic Radiation (EMR)

A

energy radiated from charged particles manifests as electrical and magnetic fields

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21
Q

Latent Energy

A

when potential energy is related to a change in state

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22
Q

Conduction

A

Transfer by direct contact

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23
Q

Convection

A

Vertical transfer by flow of a gas, liquid, or weak solid

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24
Q

Radiation

A

transfer by radiating through electromagnetic

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25
Advection
Horizontal transfer of energy
26
Sensible Heat
energy we can sense
27
Latent Heat
energy contained within molecules that can produce changes in state and act as a moderator of climate change
28
Types of Latent Heat
Latent Heat of Fusion, Latent Heat of Vaporization, and the Latent Heat of Sublimation
29
Wien's Law
the relationship between temperature and wavelength; low energy things have longer wavelengths and high energy things have shorter wavelengths
30
Stefan-Boltzman Law
the relationship between temperature and energy emitted; warm objects emit more EMR than cold ones
31
Longwave radiation
The Earth emits
32
Shortwave Radiation
The Sun emits; the Earth absorbs
33
Albedo
reflectivity
34
Insolation
Incoming solar radiation
35
Perihelion
The day that the Earth is closest to the Sun; occurs in early January
36
Aphelion
The day that the Earth is farthest from the Sun; occurs in early July
37
Atmospheric attenuation
How the atmosphere interacts and intercepts incoming rays from the Sun
38
Beam spreading
how the concentration of energy from the sun changes based on the angle light is hitting an area (more concentrated at 90, less as it lowers)
39
Circle of illumination
an imaginary "line" separating halves of the world; one half in day, the other half in night
40
Polar Night
When night lasts 24+ hours
41
Equator
42
Tropic of Cancer
23.5° N
43
Tropic of Capricorn
23.5° S
44
Artic Circle
66.5° N
45
Antarctic Circle
66.5° S
46
Winter Solstice
December 21
47
Autumnal Equinox
September 21
48
Vernal Equinox
March 21
49
Summer Solstice
June 21
50
Sun angle (angle of incidence)
the angle between the energy being emitted and the surface
51
Greenhouse gases
methane, CO2, ozone
52
Reflection
Reflecting energy back; allowing energy to bounce off
53
Transmission
Allowing energy to pass through
54
Absorption
Storing energy
55
Scattering
Dispersing energy
56
Ozone
an essential gas in the atmosphere; O3
57
Solar declination
latitude where the Sun is directly overhead on a specific day
58
Methane
CH4
59
Temperature
the average of the energy an object emits
60
Kinds of temperature scales
Fahrenheit, Celsius, and Kelvin
61
Phase changes of water
Solid, liquid, and gas
62
physical geography
the study of the spatial distribution of natural features and processes occurring near the surface as they effect and are affected by humans