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EARTH SCIENCE > EXOGENIC + ENDOGENIC PROCESSES > Flashcards

EXOGENIC + ENDOGENIC PROCESSES Flashcards

1
Q

solid -> liquid

A

dissolution

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2
Q

Types of Chemical Weathering (3)

A
  1. Dissolution
  2. Hydrolysis
  3. Oxidation
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3
Q

one element has a higher ionic charge

A

oxidation

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4
Q

Types of Physical Weathering (5)
hint: FROSTBUSH

A
  1. Frost Wedging
  2. Biological Activity
  3. Unloading
  4. Salt Crystal Growth
  5. Heating / Thermal expansion
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5
Q

Factors affecting weathering (3)

A
  1. Climate
  2. Surface Area
  3. Goldich Stability Series
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6
Q

Types of Erosion (3)

A
  1. Water
  2. Wind
  3. Glacial
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7
Q

Erosion Causes (5)

A
  1. Soil erodibility
  2. Texture
  3. Overgrazing
  4. Cutting of trees and removal of vegetation
  5. Use of pesticides and other chemicals
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8
Q
  • occurs when rainfall is low and soil moisture is lowest
A

wind erosion

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9
Q

no need for transporting mediums, just downward flow

A

mass wasting

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10
Q

Mass Wasting Factors (4)

A
  1. Over steepened Slopes
  2. Angle of Repose
  3. Slightly wet unconsolidated materials
  4. Lack of plants
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11
Q

Mass Wasting Types (8)

A
  1. Creep
  2. Debris flow
  3. Mudflow
  4. Earthflow
  5. Solifluction
  6. Flow
  7. Rockslide
  8. Fall
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12
Q

slowest type of mass wasting

A

creep

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13
Q

fastest type of mass wasting

A

fall

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14
Q

has the consistency of wet concrete

A

mudflow

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15
Q

Mass Wasting Prevention (3)

A
  1. Hazard Maps
  2. Engineering Measures
  3. Soft Mitigating Measures
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16
Q

Sedimentation Properties (3)

A
  1. Roundness and Sphericity
  2. Sorting
  3. Size and Velocity
17
Q

gravel and coarser particles are carried by __________

A

high energy currents

18
Q

sand and finer sediments are transported through _____ and _____ action

A

wind, wave

19
Q

pollution when silt / clay dominates a body of water

A

siltation

20
Q

accumulation of fine particles at the bottom of the body of water

A

siltation

21
Q

clarity of water

A

turbidity

22
Q

Effects of Excessive Sedimentation (2)

A
  1. Corals
  2. Siltation

EARTH SCIENCE (4 decks)

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