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SOIL TECH 1

SOIL TECH 1
52問 • 2年前
  • ezekiel emano
    • 通報

    問題一覧

  • 1

    The detachment and subsequent transport of soil materials

    soil erosion

  • 2

    2 General types of erosion

    Geologic or Natural erosion Accelerated Erosion

  • 3

    this represents the erosion characteristics of the land in its natural environment. undisturbed by human activity

    Geologic or Natural Erosion

  • 4

    this is erosion induced by human activities that

    Accelerated Erosion

  • 5

    3 Processes involved during soil erosion by water

    Soil Detachment by rainfall Transportation Deposition

  • 6

    (detachment from the ground)

    Soil Detachment by rainfall

  • 7

    (via wind or water)

    Transportation

  • 8

    (sediemint setting)

    Deposition

  • 9

    This is a process by which raindrops splash soil sediments from the soil surface into the runoff

    Soil detachment by rainfall

  • 10

    from upslope to downhill direction,

    transportation

  • 11

    This refers to the process of sediment settling out under the action of gravity

    Sediment deposition

  • 12

    Types of erosion

    water erosion wind erosion

  • 13

    a type of erosion caused by rainwater, including melted snow running over exposed land surfaces.

    Water erosion

  • 14

    types of water erosion

    Sheet Erosion Rill Erosion Gully erosion Stream bank erosion

  • 15

    this is more or less less the removal of a thin layer of soil

    Sheet Erosion

  • 16

    This is a type of erosion when runat water generally concentrates on small channels

    Rill Erosion

  • 17

    develop deep incisions

    Gully erosion

  • 18

    this is an erasion occurring along the sides of river banks

    Stream Bank Erosion

  • 19

    Forms by Which Materials are Carried away

    Extrusion Efflution Efflusion

  • 20

    the rolling away by large particles

    Extrusion

  • 21

    the removal of very fine particles.

    Efflution

  • 22

    particles of intermediate size move off downwind into the bouncing action called saltation.

    Efflusion

  • 23

    is the movement by very fine particles

    Suspension

  • 24

    rolling movement of particles

    Creep

  • 25

    bouncing movement of particles

    Saltation

  • 26

    types of movement by wind action

    suspension creep saltation

  • 27

    Forms of Wind Erosion

    Detrusion Abrasion

  • 28

    soil projections by tine particles carned in suspension.

    Detrusion

  • 29

    moving particles are larger and bouncing along over the surface

    abrasion

  • 30

    Factors influencing the rate of erosion

    1. Rainfall 2. Soil erodability 3. Vegetation or Plant cover 4. Relief (slope) 5. Human Activities

  • 31

    this is the climatic element that mainly affects erosion in the humid tropics

    Rainfall

  • 32

    this refers to the vulnerability or proneness of the soil to erosion.

    Soil erodability

  • 33

    defined as the fineness or coarseness of soil particles.

    Soil texture

  • 34

    arrangement of primary particles into aggregates

    Soil Structure

  • 35

    is defined as the lowering of the soil's capacity to support human life.

    Soil degradation

  • 36

    is the portion of rainfall that makes its way toward stream channels, lakes, or oceans as surface or subsurface Flow.

    Runoff

  • 37

    FACTORS AFFECTING RUN-OFF

    precipitation watershed factor topographic features VEGETATION AND MANAGEMENT PRACTICES

  • 38

    was developed by the United States Natural Resources Conservation Service

    (LCC) Land capability classification

  • 39

    a method of assessing the extent to which limitations such as erosion

    (LCC) Land capability classification

  • 40

    Deep, productive soils easily worked

    class 1

  • 41

    Productive soils on gentle slopes; moderate depth

    class 2

  • 42

    Soils of moderate fertility on moderately steep slopes

    CLASS 3

  • 43

    Good soils on steep slopes, subject to severe erosion; very severe risk of damage but may be cultivated if handled with great care

    class 4

  • 44

    Land is too wet or stony for cultivation

    class 5

  • 45

    Shallow soils on steep slopes; use for grazing and forestry

    class 6

  • 46

    Steep, rough, eroded land with shallow soils; also includes droughty or swampy land

    class 7

  • 47

    Very rough land; not suitable even for woodland or grazing;

    CLASS 8

  • 48

    Classes I-IV

    denote for suitable cultivation

  • 49

    CLASS 5-8

    denote for unsuitable for cultivation

  • 50

    This method of estimating soil loss

    The Universal Soil Loss Equation (USLE)

  • 51

    USLE FACTORS

    R FACTOR K FACTOR LS FACTOR C FACTOR P FACTOR

  • 52

    is a mathematical model used to predict the long-term average annual rate of soil erosion.

    The Universal Soil Loss Equation (USLE)

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    問題一覧

  • 1

    The detachment and subsequent transport of soil materials

    soil erosion

  • 2

    2 General types of erosion

    Geologic or Natural erosion Accelerated Erosion

  • 3

    this represents the erosion characteristics of the land in its natural environment. undisturbed by human activity

    Geologic or Natural Erosion

  • 4

    this is erosion induced by human activities that

    Accelerated Erosion

  • 5

    3 Processes involved during soil erosion by water

    Soil Detachment by rainfall Transportation Deposition

  • 6

    (detachment from the ground)

    Soil Detachment by rainfall

  • 7

    (via wind or water)

    Transportation

  • 8

    (sediemint setting)

    Deposition

  • 9

    This is a process by which raindrops splash soil sediments from the soil surface into the runoff

    Soil detachment by rainfall

  • 10

    from upslope to downhill direction,

    transportation

  • 11

    This refers to the process of sediment settling out under the action of gravity

    Sediment deposition

  • 12

    Types of erosion

    water erosion wind erosion

  • 13

    a type of erosion caused by rainwater, including melted snow running over exposed land surfaces.

    Water erosion

  • 14

    types of water erosion

    Sheet Erosion Rill Erosion Gully erosion Stream bank erosion

  • 15

    this is more or less less the removal of a thin layer of soil

    Sheet Erosion

  • 16

    This is a type of erosion when runat water generally concentrates on small channels

    Rill Erosion

  • 17

    develop deep incisions

    Gully erosion

  • 18

    this is an erasion occurring along the sides of river banks

    Stream Bank Erosion

  • 19

    Forms by Which Materials are Carried away

    Extrusion Efflution Efflusion

  • 20

    the rolling away by large particles

    Extrusion

  • 21

    the removal of very fine particles.

    Efflution

  • 22

    particles of intermediate size move off downwind into the bouncing action called saltation.

    Efflusion

  • 23

    is the movement by very fine particles

    Suspension

  • 24

    rolling movement of particles

    Creep

  • 25

    bouncing movement of particles

    Saltation

  • 26

    types of movement by wind action

    suspension creep saltation

  • 27

    Forms of Wind Erosion

    Detrusion Abrasion

  • 28

    soil projections by tine particles carned in suspension.

    Detrusion

  • 29

    moving particles are larger and bouncing along over the surface

    abrasion

  • 30

    Factors influencing the rate of erosion

    1. Rainfall 2. Soil erodability 3. Vegetation or Plant cover 4. Relief (slope) 5. Human Activities

  • 31

    this is the climatic element that mainly affects erosion in the humid tropics

    Rainfall

  • 32

    this refers to the vulnerability or proneness of the soil to erosion.

    Soil erodability

  • 33

    defined as the fineness or coarseness of soil particles.

    Soil texture

  • 34

    arrangement of primary particles into aggregates

    Soil Structure

  • 35

    is defined as the lowering of the soil's capacity to support human life.

    Soil degradation

  • 36

    is the portion of rainfall that makes its way toward stream channels, lakes, or oceans as surface or subsurface Flow.

    Runoff

  • 37

    FACTORS AFFECTING RUN-OFF

    precipitation watershed factor topographic features VEGETATION AND MANAGEMENT PRACTICES

  • 38

    was developed by the United States Natural Resources Conservation Service

    (LCC) Land capability classification

  • 39

    a method of assessing the extent to which limitations such as erosion

    (LCC) Land capability classification

  • 40

    Deep, productive soils easily worked

    class 1

  • 41

    Productive soils on gentle slopes; moderate depth

    class 2

  • 42

    Soils of moderate fertility on moderately steep slopes

    CLASS 3

  • 43

    Good soils on steep slopes, subject to severe erosion; very severe risk of damage but may be cultivated if handled with great care

    class 4

  • 44

    Land is too wet or stony for cultivation

    class 5

  • 45

    Shallow soils on steep slopes; use for grazing and forestry

    class 6

  • 46

    Steep, rough, eroded land with shallow soils; also includes droughty or swampy land

    class 7

  • 47

    Very rough land; not suitable even for woodland or grazing;

    CLASS 8

  • 48

    Classes I-IV

    denote for suitable cultivation

  • 49

    CLASS 5-8

    denote for unsuitable for cultivation

  • 50

    This method of estimating soil loss

    The Universal Soil Loss Equation (USLE)

  • 51

    USLE FACTORS

    R FACTOR K FACTOR LS FACTOR C FACTOR P FACTOR

  • 52

    is a mathematical model used to predict the long-term average annual rate of soil erosion.

    The Universal Soil Loss Equation (USLE)