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APES > Earth's Interdependent Systems > Flashcards

Earth's Interdependent Systems Flashcards

1
Q

Abiotic

A

Related to factors or things that are separate and independent from living things; nonliving

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2
Q

Acid

A

Any compound that releases hydrogen ions when dissolved in water; also a water solution that contains a surplus of hydrogen ions

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3
Q

Air mass

A

Enormous bodies of air that move as a unit

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4
Q

A horizon

A

A soil horizon; the layer below the O horizon is called the A horizon, which is formed of weathered rock with some organic material; often referred to as topsoil

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5
Q

Alkaline

A

A basic substance; chemically, a substance that absorbs hydrogen ions or releases hydroxide ions; in reference to natural water, a measure of the base content of the water

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6
Q

Aquifer

A

An underground layer of porous rock, sand, or other material that allows the movement of water between layers of non porous rock or clay; frequently tapped for wells

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7
Q

Arable

A

Land that is fit to be cultivated

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8
Q

Asthenosphere

A

The part of the mantle that lies just below the lithosphere

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9
Q

Atmosphere

A

The gaseous mass or envelope surrounding a celestial body - especially the one surrounding Earth - that is retained by the celestial body’s gravitational field

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10
Q

Barrier island

A

A long, relatively narrow island running parallel to the mainland, built up by the action of waves and currents and serving to protect the coast from erosion by surf and tidal surges

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11
Q

Biological Weathering

A

any weathering that’s caused by the activites of living organisms

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12
Q

Biotic

A

Living or derived from living things

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13
Q

B Horizon

A

A soil horizon that recieves the minerals and organic materials that are leached out of the A horizon

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14
Q

Chemical Weathering

A

The result of chemical interaction with the bedrock that is typical of the action of both water and atmospheric gases

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15
Q

C Horizon

A

A soil horizon made up of larger pieces of rock that have not undergone much weathering

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16
Q

Clay

A

The finest soil, made up of particles that are less than 0.002 mm in diameter

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17
Q

Climate

A

weather conditions, especially temperature and precipitation, that remain constant over 30 years or more

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18
Q

Conduction

A

The transmission or conveying of something through a medium or passage, especially the transmission of electric charge or heat through conducting medium without perceptible motion of the medium itself

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19
Q

Convection

A

The vertical movement of a mass of matter because of heating and cooling; can happen both the atmosphere and Earth’s mantle

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20
Q

Convection Currents

A

Air currents caused by the vertical movement of air due to atmospheric heating and cooling

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21
Q

Convergent Boundary

A

A plate boundary where two plates are moving towards each other

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22
Q

Coral Reef

A

An erosion - resistant marine ridge or mound consisting of compacted coral together with algal material and biochemically deposited magnesium and calcium carbonates

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23
Q

Coriolis Effect

A

The observed effect of the Coriolis force, especially the deflection of an object moving above the Earth, rightward in the Northern Hemisphere, and leftward in the Southern Hemisphere, as away from the equator

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24
Q

Crop Rotation

A

The practice of alternation the crops grown on a piece of land to replenish soil nutrients; e.g., corn one year, legumes from two years, and then back to corn

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25
Q

Delta

A

A usually triangular alluvial deposit at the mouth of a river

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26
Q

Divergent Boundary

A

A plate boundary at which plates are moving away from each other; causes an upwelling of magma from the mantle to cool and form new crust

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27
Q

Doldrums

A

A region of the ocean near the equator, characterized by calms, light winds, or squalls

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28
Q

Drip irrigation

A

A method of supplying irrigation water through tubes that drip water onto the soil at the base of each plant

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29
Q

Earthquake

A

The result of vibrations that release energy from within the Earth; they often occur as two plates slide past each other at a transform boundary

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30
Q

El Nino

A

A climate variation that takes place in the tropical Pacific about every three to seven years, for a duration of about one year

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31
Q

Erosion

A

The process of soil particles being carried away by wind or water; moves the smaller particles first and hence degrades the soil to a coarser, sandier, stonier texture

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32
Q

Estuary

A

The part of the wide lower course of a river where its current is met by the tides

33
Q

Fault

A

The place where two tectonic plates abut each other

34
Q

Genetically modified organism (GMO)

A

Any organism whose genome has been engineered at the molecular level to favor the expression of desired traits, usually by the inclusion of genes from unrelated species of organisms

35
Q

Green Revolution

A

The time after the Industrial Revolution when farming became mechanized and crop yields in industrialized nation boomed as farmers began using large amounts of chemical fertilizers and pesticides

36
Q

Greenhouse Effect

A

The phenomenon whereby Earth’s atmosphere traps solar radiation, caused by the presence in the atmosphere of gases such as carbon dioxide, water vapor, and methane that allow incoming sunlight to pass through but absorb heat radiated back from Earth’s surface

37
Q

Hadley Cell

A

A system of vertical and horizontal air circulation that creates major weather patterns predominantly in tropical and subtropical regions

38
Q

Headwaters

A

The water from which a river rises; a source

39
Q

Horizon

A

A layer of soil

40
Q

Humus

A

The dark, crumbly, nutrient-rich material that results from the decomposition of organic material, which is also a product of composting orgainc waste

41
Q

Hurricane

A

(typhoon, cyclone) _ a severe tropical storm originating in the equitorial regions of the Atlantic Ocean or Carribean Sea or eastern regions of the Pacific Ocean, that travels north, northwest, or northeast from its poing of origin and usually involves high-speed winds and heavy rains

42
Q

Inner core

A

The molten core of the Earth

43
Q

Insolation

A

The delivery rate of solar radiation per unit of horizontal surface

44
Q

Jet Stream

A

A high-speed, meandering wind current, generally moving from a westerly direction at speeds often exceeding 400km (250 miles) per hour at altitudes of 15 to 25 km (10 to 15 miles)

45
Q

Land Degredation

A

Detoriation of land quality (topsoil, organisms, vegetation, water quality), usually caused by its exploitation

46
Q

La Nina

A

A cooling of the ocean surface off the western coast of South America, occuring periodically every 4 to 12 years and affecting Pacific and other weather patterns

47
Q

Lithosphere

A

The outer part of the Earth, consisting of the crust and upper mantle approximately 100 km (62 miles) thick

48
Q

Loam

A

Soil composed of a mixture of san, clay, silt, and organic matter

49
Q

Mantle

A

The layer of the Earth between the crust and the core

50
Q

Monoculture

A

The cultivation of a single crop on a farm or in a region or country; a single, homogenous culture without diversity or variety

51
Q

Monsoon

A

A wind system that influences large climatic regions and reverses direction seasonally

52
Q

O Horizon

A

The uppermost horizon of soil; primarily made up of organic material, including waste from organisms, the bodies of decomposing organisms, and live organisms

53
Q

Physical (mechanical) Weathering

A

Any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water

54
Q

Plate Boundaries

A

The edges of tectonic plates

55
Q

Polyculture

A

The practice of planting several crops on the same plot of land simultaneously to increase biodiversity and sustainability

56
Q

Prior Appropriation

A

When water rights are given to those who have historically used the water in a certain area

57
Q

Rain Shadow Effect

A

The low-rainfall region that exists on the leeward (downwind) side of a mountain range; the result of the mountain range’s causing precipitation on the windward side

58
Q

Red Tide

A

A bloom of dinoflagellates that causes reddish discoloration of coastal ocean watersl certain dinoflagellates of the genus Gonyamlax produce toxins that kill fish and contaminate shellfish

59
Q

R Horizon

A

The bedrock that lies below all of the other layers of soil

60
Q

Riparian right

A

The right, as to fishing or to the use of a riverbed, of one who owns riparian land (the land adjacent to a river or stream)

61
Q

Salinization

A

Occurs when soil becomes waterlogged from excess irrigation and then dries out; as the water evaporates, the salt crystallizes and forms a layer on the soil surface, which prevents the growth of plants

62
Q

Sand

A

The coarsest soil, with particles 0.05-2.0mm in diameter

63
Q

Silt

A

Soil with particles 0.002-0.05 mm in diameter

64
Q

Southern Oscillation

A

The atmospheric pressure conditions corresponding to the periodic warming of El Nino and cooling of La Nina

65
Q

Subduction Zone

A

In tectonic plates, the site at which an oceanic plate is sliding under a continental plate

66
Q

Thermocline

A

A layer in a large body of water, such as a lake, that sharply seperates regions differing in temperature, so that the temperature gradient across the layer is abrupt

67
Q

Thermosphere

A

The outermost shell of the atmosphere between the mesosphere and outer space, where temperatures increase steadily with altitude

68
Q

Topsoil

A

The A Horizon of soil is often reffered to as topsoil and is most important for plant growth

69
Q

Trade Winds

A

The more or less constant winds blowing in horizontal directions over Earth’s surface, as part of Hadley cells

70
Q

Transform Boundary

A

Also known as transform faults, boundaries at which plates are moving past each other, sideways

71
Q

Tropical Storm

A

A cyclonic storm having winds ranging from approximately 48 to 121 km (30 to 75 miles) per hour

72
Q

Upwelling

A

A process in which cold, often nutrient rich, waters from the ocean depths rise to the surface

73
Q

Volcanoes

A

An opening in the Earth’s crust through which molten lava, ash, and gasses are ejected

74
Q

Watershed

A

The region draining into a river system or other body of water

75
Q

Water-Scarce

A

Countries that have renewable annual water supply of less than 1,000 m^3 per person

76
Q

Water-Stressed

A

Countries that have a renewable annual water supply of about 1,000-2,000 m^3 per person

77
Q

Weather

A

The day-to-day variations in temperature, air pressure, wind, humidity, and precipitation mediated by the atmosphere in a given region

78
Q

Weathering

A

The gradual breakdown of rock into smaller and smaller particles, caused by natural chemical, physical, and biological factors

79
Q

Wetlands

A

A lowland area, such as a marsh or swamp, that is saturated with moisture, especially when regarded as the natural habitat of wildlife

APES (7 decks)

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