Study sets matching "slope processes"

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Study sets matching "slope processes"

slope and slope processes
alluvium
colluvium
residuum
mass wasting
bedrock transported and deposited by water
regolith transported by water and gravity dornhill
chemical residue
spontaneous movement of soil under the force of gravity
alluvium
bedrock transported and deposited by water
colluvium
regolith transported by water and gravity dornhill
Slope Processes
Mass movement
soil creep
solifluction
fall
down slope movement of earth materials under the influence of…
occurs in top 2m of soil surface and is carried by contractio…
down slope movement of soil over permanently frozen sub-surfa…
downslope movement of regolith - v slow
Mass movement
down slope movement of earth materials under the influence of…
soil creep
occurs in top 2m of soil surface and is carried by contractio…
11 terms
Slope processes
Soil creep
Rain splash erosion
Solifluction
Periglacial
-soil particles are pushed to surface by wetting, heating or…
On steep slopes the downward component of the splash is more…
Form of accelerated soil creep that can produce braided rivers.
On the edge of glacial conditions, covered by snow and ice fo…
Soil creep
-soil particles are pushed to surface by wetting, heating or…
Rain splash erosion
On steep slopes the downward component of the splash is more…
35 terms
Slope processes
What is rock mass stability determined…
Types of rock-slope failures.
What are the rockfall mechanisms?
What are rockfall talus slides?
Rock mass stability is determined by joints, especially stres…
1. Falls and topples (material falls away from side): rockfal…
- stress release (joint network releases chunks)... -freeze-thaw…
- rock pile up at bottom of slope, building up sheets of debr…
What is rock mass stability determined…
Rock mass stability is determined by joints, especially stres…
Types of rock-slope failures.
1. Falls and topples (material falls away from side): rockfal…
10 terms
Slope processes
What are the two slow movements?
What is/happens during the soil-creep…
What is/happens during the rain-splash…
What are the three flow movements?
Soil-creep and rain-splash erosion
Individual soil particles are pushed to the surface by wettin…
Raindrops compact the soil and dislodge particles in all dire…
Surface wash, sheet wash and through-flow
What are the two slow movements?
Soil-creep and rain-splash erosion
What is/happens during the soil-creep…
Individual soil particles are pushed to the surface by wettin…
14 terms
Slopes and processes
Regolith
Mass movement can be divided into 4 di…
Mass movement definition
Heaves definition
Loose rock debris that covers the earth
-Heaves... - Falls ... -Flows ... -Slides
Mass movement is the large scale movements down slope by any…
is the movements of soil or ice towards the surface in a... vert…
Regolith
Loose rock debris that covers the earth
Mass movement can be divided into 4 di…
-Heaves... - Falls ... -Flows ... -Slides
Slope Processes/Mass Movement
Primary Triggers of Mass Movement
Physics of Mass Movement
Mass Movement Classification
Types of Mass Movement
Changing of slope angles, heavier load on slope (vegetation &…
Fd>Fn then landslide
1. Type of material... 2. How material moves... 3. Moisture content…
Slump= moves with curved shaped surface... Creep= moves very slo…
Primary Triggers of Mass Movement
Changing of slope angles, heavier load on slope (vegetation &…
Physics of Mass Movement
Fd>Fn then landslide
10 terms
Fluvial Slope Processes
main agents of slopes
Rain Splash
Sheet Wash
Rilling
Running Water, Gravity, Wind
The smashing and breaking apart of the bigger soil particles…
The accumulation of fallen rain drops on the surface of slope…
When a moving sheet of water rushes down a slope and often fl…
main agents of slopes
Running Water, Gravity, Wind
Rain Splash
The smashing and breaking apart of the bigger soil particles…
FLUVIAL LANDFORMS: SLOPE PROCESSES
soil creep
rain splash erosion
surface wash
sheetwash
slow movement: ... - individual soil particles are pushed/ heave…
slow movement:... -raindrops compact the soil and dislodge parti…
flow movement:... -soil infiltration capacity is exceeded, leads…
flow movement:... -unchanelled flow of water over a soil surface
soil creep
slow movement: ... - individual soil particles are pushed/ heave…
rain splash erosion
slow movement:... -raindrops compact the soil and dislodge parti…
20 terms
Weathering and Slope Processes
Weathering
Bedrock
Physical Weathering
Frost Action
The combined action of all processes that cause rock to disin…
The rock of Earth's crust that is below the soil and is basic…
The breaking up and disintegrating of rock without any chemic…
When water freezes, its volume expands as much as 9%. This ex…
Weathering
The combined action of all processes that cause rock to disin…
Bedrock
The rock of Earth's crust that is below the soil and is basic…
Slope Processes, Landscapes, and Subsidence
Mass movement
Creep
Falls
Flows
the downslope displacement of material
slow downslope displacement of material, sliding
rock debris drops through the air over steep slope
material deforms as it moves (plastic behavior)
Mass movement
the downslope displacement of material
Creep
slow downslope displacement of material, sliding
Slope Processes and Mass Wasting
Slope Processes
Fluvial Slope Processes
Mass Wasting
Fluvial
Are fluvial (runoff) or mass wasting
Rain-splash, Rain-wash, Gullying, Sapping and Piping
Downslope movement of earth materials in response to gravitat…
Transfer of material downslope under gravity
Slope Processes
Are fluvial (runoff) or mass wasting
Fluvial Slope Processes
Rain-splash, Rain-wash, Gullying, Sapping and Piping
12 terms
RIVERS- Slope Processes
fast-mass movements... slow movements... flo…
soil creep... rain-splash erosion
where individual soil particles are pu…
where drops of rain dislodge particles…
what are the 3 types of slope processes?
what are the different types of slow processes?
what is soil creep?
what is rain-splash erosion?
fast-mass movements... slow movements... flo…
what are the 3 types of slope processes?
soil creep... rain-splash erosion
what are the different types of slow processes?
25 terms
Slope Processes Lecture 7
rate of operation (rapid/imperceptible…
fall, sliding, flow, creep, heave
detachment of rock/soil from steep slo…
slip of rock/soil over a shear surface
Classification of mass-movement processes
Mechanisms of mass movement:
MM: fall
MM: sliding
rate of operation (rapid/imperceptible…
Classification of mass-movement processes
fall, sliding, flow, creep, heave
Mechanisms of mass movement:
Factors affect slope processes
Rock type
Geological Structure
Permeability and porosity
Tectonic activity
Tough= More able to support steep slope igneous and metamorph…
Rock slabs - detached along joints/ bedding planes = rockfall…
Permeable = liable to water surface flow and deep gullies form.
Steep slopes, tectonic active areas... Himalaya = dramatic slope…
Rock type
Tough= More able to support steep slope igneous and metamorph…
Geological Structure
Rock slabs - detached along joints/ bedding planes = rockfall…
22 terms
geography weathering & slope processes
weathering
chemical weathering
physical weathering
bedrock
combined action of all processes causing rock to disintegrate…
erosion & disintegration of rocks
rocks break apart without changing the chemical composition
solid rock exposed at the surface
weathering
combined action of all processes causing rock to disintegrate…
chemical weathering
erosion & disintegration of rocks
19 terms
Lecture 2: Slope Processes and Slope Stability
Mass Movement
2 factors controlling rheological resp…
2 driving forces of mass wasting
4 resisting forces of mass wasting
Important process in all types of landscape in all climatic s…
Cohesion, internal friction
Gravity, shear stress
Mohr - Coulomb... Soil strength... Normal force... Angle of internal f…
Mass Movement
Important process in all types of landscape in all climatic s…
2 factors controlling rheological resp…
Cohesion, internal friction
58 terms
3.3 Slope processes and development
regolith
washout
throughflow
watershed
irregular cover of loose rock debris that covers the Earth. p…
large-scale, deep-seated landslides which involve some rotati…
water moving down through the soil
drainage basin divide; an area or ridge of land that separate…
regolith
irregular cover of loose rock debris that covers the Earth. p…
washout
large-scale, deep-seated landslides which involve some rotati…
Surface Processes - Slopes
Timescales of study Holocene (last 12,…
Timescales of study 100,000 years or s…
Timescales of study >1 million years
Geomorphology
Post-glacial, can examine cause and effect directly, many geo…
Cycles of glacial-interglacial (1 cycle), large scale changes…
Multiple cycles of glacial-interglacial, time-averaged landsc…
Study of the physical features of the surface of the earth an…
Timescales of study Holocene (last 12,…
Post-glacial, can examine cause and effect directly, many geo…
Timescales of study 100,000 years or s…
Cycles of glacial-interglacial (1 cycle), large scale changes…
Geology: Slope Processes, Landslide, and Subsidence
factor of safety (FS)
landslide
mass wasting
rotational slide
For slope stability defined as the ratio resisting to driving…
Rapid downslope movement of rock and or soil; also a general…
A comprehensive term for any type of downslope movement of ea…
Develops in homogeneous material, movement is likely to be ro…
factor of safety (FS)
For slope stability defined as the ratio resisting to driving…
landslide
Rapid downslope movement of rock and or soil; also a general…
3.3 Slope processes and development
Avalanches
Climatic geomorphology
Falls
Flows
are rapid movements of snow, ice, rock or earth... down a slope
refers to the different processes that... operate in different c…
are movements of rock/debris under the effect of gravity,... e.g…
are movements of a mass of soil or rock that contain a... signif…
Avalanches
are rapid movements of snow, ice, rock or earth... down a slope
Climatic geomorphology
refers to the different processes that... operate in different c…
3.3 Slope Processes and Development
Avalanches
Climatic Geomorphology
Falls
Flows
rapid movements of snow, ice, rock or earth down a slope.
refers to the different processes that operate in different c…
movements of rock/debris under the effect of gravity.
movements of a mass soil or rock that contain a significant a…
Avalanches
rapid movements of snow, ice, rock or earth down a slope.
Climatic Geomorphology
refers to the different processes that operate in different c…
11 terms
AS River environments: Slope Processes
What processes and factors give river…
Mass Movement
Soil Creep
Slide
-Slope processes e.g. mass movement+weathering... -Channel proce…
downslope movement of earth materials under the influence of…
occurs in top 2m of soil surface and is caused by contraction…
sheet of material that slips over a failure plane ending. Sli…
What processes and factors give river…
-Slope processes e.g. mass movement+weathering... -Channel proce…
Mass Movement
downslope movement of earth materials under the influence of…
41 terms
3.3 Slope processes and development
Avalanches
Climatic geomorphology
Falls
Flows
Rapid movements of snow, ice, rock or earth down a slope
Refers to the different processes that operate in different c…
Movements of rock/debris under the effect of gravity, e.g. Af…
Movements of a mass of soil or rock that contain a significan…
Avalanches
Rapid movements of snow, ice, rock or earth down a slope
Climatic geomorphology
Refers to the different processes that operate in different c…
10 terms
Geography AS - slope processes and movement
soil creep
rain-splash erosion
surface wash
climate affecting slopes
Soil particles are pushed or heaved to the surface by wetting…
Raindrops compact the soil and dislodge particles with the fo…
Soil is completely saturated leading to water flowing over th…
Slopes is hot climates have more mechanical weathering, ... slop…
soil creep
Soil particles are pushed or heaved to the surface by wetting…
rain-splash erosion
Raindrops compact the soil and dislodge particles with the fo…
10 terms
Geography AS - slope processes and movement
soil creep
rain-splash erosion
surface wash
climate affecting slopes
Soil particles are pushed or heaved to the surface by wetting…
Raindrops compact the soil and dislodge particles with the fo…
Soil is completely saturated leading to water flowing over th…
Slopes is hot climates have more mechanical weathering, ... slop…
soil creep
Soil particles are pushed or heaved to the surface by wetting…
rain-splash erosion
Raindrops compact the soil and dislodge particles with the fo…
Natural Hazards, Slope Processes and Subsidence
Landslide
Factors of a landslide
Internal properties
External setting
all forms of mass-wasting movements. Both manmade and natural…
internal properties, external setting, and triggering mechani…
planar inhomogeneities, rock strength, porosity, permeability…
steepness of slope, shape of slope, vegetation, climate (rain…
Landslide
all forms of mass-wasting movements. Both manmade and natural…
Factors of a landslide
internal properties, external setting, and triggering mechani…
Ch. 10: Slope Processes, Landslides, and Subsidence
mass wasting
landslides
subsidence
what are the main ways that materials…
any type of downslope movement of Earth materials
downslope movement of rock or soil as a more or less coherent…
a type of ground failure characterized by nearly vertical def…
rotational slumps, translational sliding, rock fall, flows, c…
mass wasting
any type of downslope movement of Earth materials
landslides
downslope movement of rock or soil as a more or less coherent…
AS Level Geography: Slope Processes and development VOCAB
SLOPE
slope resulting from deposition
slope resulting from erosion
Slope FORM
refers to an inclined surface. So a slope includes any part o…
aggradational
degradational
is the shape of the slope in cross section
SLOPE
refers to an inclined surface. So a slope includes any part o…
slope resulting from deposition
aggradational
Test- 3.3 Slope Processes and Development
How slope form differs
Slopes develop and change their form d…
Slope Processes of mass movement: Heave
Slope Processes of mass movement: Slides
shape, steepness, uniformity
rock type, structure, climate, vegetation, soil, and relief (…
occurs due to the expansion and contraction of slope material…
involve movement of a cohesive block of material along a well…
How slope form differs
shape, steepness, uniformity
Slopes develop and change their form d…
rock type, structure, climate, vegetation, soil, and relief (…
Chapter 3 Lesson 3 Slope Processes and Development
Regolith
Washout
Throughflow
Watershed
Irregular cover of loose rock debris that covers the Earth
Large-scale deep-seated landslides which involve some rotatio…
Water moving down through the soil
Drainage basin divide
Regolith
Irregular cover of loose rock debris that covers the Earth
Washout
Large-scale deep-seated landslides which involve some rotatio…
10 terms
Periglacial Landforms(on slopes) and Processes
Frost Heave
Ice Wedges
Pingos
Nivation
Causes fine grained soils to expand to from mini domes or to…
Re-freezing of the active layer during winter causes the soil…
Dome shaped isolated hills that are sat in flat lowland tundr…
Form of erosion from isolated patches of snow that remain in…
Frost Heave
Causes fine grained soils to expand to from mini domes or to…
Ice Wedges
Re-freezing of the active layer during winter causes the soil…
chapter 9 slope processes, landslides, and subsidence
landslide
steep slopes
slopes-steep topography
types of landslides
includes all forms of mass wasting movements
dependent upon topography, rock types, climate, vegetation, w…
cliff face, talus slope, upper convex slope, a straight slope…
creep, sliding, slumping, falling, flowage, or flow, and comp…
landslide
includes all forms of mass wasting movements
steep slopes
dependent upon topography, rock types, climate, vegetation, w…
4 AS Geography - Slope processes and development
mass movements
heave/creep
falls
slides
large-scale movements of the earth's surface that are not acc…
a slow, small-scaled process whereby individual soil particle…
are movements of rock/debris under the effect of gravity; whe…
are an entire mass of material moving along a slip plane; inc…
mass movements
large-scale movements of the earth's surface that are not acc…
heave/creep
a slow, small-scaled process whereby individual soil particle…
Geography 3.3: Slope processes and development
Avalanches
Climatic geomorphology
Falls
Flows
rapid movements of snow, ice, rock or earth own a slope
refers to the different processes that operate in different c…
movements of rock/debris under the effect of gravity, e.g. af…
movements of a mass of soil or rock that contain a significan…
Avalanches
rapid movements of snow, ice, rock or earth own a slope
Climatic geomorphology
refers to the different processes that operate in different c…
42 terms
Ch. 9: Slope Processes, Landslides, and Subsidence (*)
mass wasting -
any type of downslope movement of Earth materials
mass wasting -
any type of downslope movement of Earth materials
12 terms
Chapter 10: Slope Processes, Landslides, and Subsidence
Why are there so many types of slopes?
What is free face?
What are the different types of landsl…
What is Talus?
- Many different types of slopes since so many different mate…
Steep slopes; tends to be hard rocks like granite and sandsto…
1) Landslides. ... - Can be rotational(slumps) or translational…
- What you see at base of free face slopes; cause by rock fal…
Why are there so many types of slopes?
- Many different types of slopes since so many different mate…
What is free face?
Steep slopes; tends to be hard rocks like granite and sandsto…
39 terms
Ch. 10: Slope Processes, Landslides, and Subsidence
mass wasting
landslides
subsidence
what are the main ways that materials…
any type of downslope movement of Earth materials
downslope movement of rock or soil as a more or less coherent…
a type of ground failure characterized by nearly vertical def…
rotational slumps, translational sliding, rock fall, flows, c…
mass wasting
any type of downslope movement of Earth materials
landslides
downslope movement of rock or soil as a more or less coherent…
Geol Chapter 10: Slope Processes, Landslides, Subsidence
what are different types of landslides…
how does the strength of rock influenc…
what is the relationship between water…
what is subsidence and what causes it?
types:... 1. slumps: motion of large blocks of mass... .motion occu…
-hard/strong rock:... .free face/cliff (vertical segment)... .talus…
-water saturates soil--->shallow soil slip slides; slumps/sli…
subsidence: downward sinking of Earth's materials ... .caused by…
what are different types of landslides…
types:... 1. slumps: motion of large blocks of mass... .motion occu…
how does the strength of rock influenc…
-hard/strong rock:... .free face/cliff (vertical segment)... .talus…
39 terms
Ch. 10: Slope Processes, Landslides, and Subsidence
mass wasting
landslides
subsidence
what are the main ways that materials…
any type of downslope movement of Earth materials
downslope movement of rock or soil as a more or less coherent…
a type of ground failure characterized by nearly vertical def…
rotational slumps, translational sliding, rock fall, flows, c…
mass wasting
any type of downslope movement of Earth materials
landslides
downslope movement of rock or soil as a more or less coherent…
13 terms
Chapter 10: Slope Processes, Landslides, and Subsidence
Soil Creep
Slide Parts
Slope Stability
Role of Water
Gradual downhill movement under the force of gravity of soil…
1. Head Scarp... 2. Upper Slump... 3. Lower Flow... 4. Toe
Forces that act on slopes. A relationship between two factors…
landslides develop when slopes become saturated... can erode the…
Soil Creep
Gradual downhill movement under the force of gravity of soil…
Slide Parts
1. Head Scarp... 2. Upper Slump... 3. Lower Flow... 4. Toe
Slope processes and mass wasting (week 11)
Fluvial Slope Processes, name 4 of them?
Shear Stress?
Factors contributing to shear stress?
Shear Strength?
Rainsplash, Rainwash, Gullying Sapping and pipping
Stress cause by forces operating parallel to each other but i…
Undercutting of slope, loading of slope, earthquakes and man…
describes the magnitude of the shear stress that a soil can s…
Fluvial Slope Processes, name 4 of them?
Rainsplash, Rainwash, Gullying Sapping and pipping
Shear Stress?
Stress cause by forces operating parallel to each other but i…
Rivers - slope processes and factors affecting them
soil creep
rain splash erosion
solifunction
slides
soil particles are pushed to the surface by wetting heating o…
rain splurges dislodge particles, making the soil move
flowing soil creep
stays the same until impacts the bottom of the slope
soil creep
soil particles are pushed to the surface by wetting heating o…
rain splash erosion
rain splurges dislodge particles, making the soil move
Ch. 9- Slope processes, landslides, and subsidence
landslide
slopes- steep topography
types of slopes (5)
steep slopes depend on:
all forms of mass-wasting movements
most common landforms
cliff face, talus slope, upper convex slope, a straight slope…
topography, rock types, climate, vegetation, water, geologic…
landslide
all forms of mass-wasting movements
slopes- steep topography
most common landforms
31 terms
Chapter 7 Lecture Notes - Mass Wasting, Landslides, Slope Processes
Mass Wasting =
Landslide =
Fluid =
Slow Process Types =
gravity/resistance
downslope movement due to gravity -> solid masses falling to…
takes shape of it's container (rock, sand, dirt can flow like…
more slopes than there are rivers/mountains, steeper slope th…
Mass Wasting =
gravity/resistance
Landslide =
downslope movement due to gravity -> solid masses falling to…
101 terms
Glacial Processes and Land-forms and Hill-slopes and Rivers
Glaciers modify landscapes through:
Glacier =
Glacial erosion
Glacial Abrasion
- Erosion... - Transport... - Deposition
Ice + Rock + Gravity
- Polish... - Caused by fine grained sediment
- Striations... - Caused by coarse grained sediment... - Chatter ma…
Glaciers modify landscapes through:
- Erosion... - Transport... - Deposition
Glacier =
Ice + Rock + Gravity
15 terms
Environmental Geology Exam II - Part 2, Slope Processes
What causes mass wasting events?
What is talus slope?
What is free face?
What are convex slopes?
Gravity
...
...
...
What causes mass wasting events?
Gravity
What is talus slope?
...
27 terms
Slopes and Processes new and imporved *** 💚
Definition of slope form
How does climate influence slopes?
The effect of geological structure on…
Definition of regolith
shape of the slope in a cross section
-in humid areas, there is more chemical weathering which crea…
-Faults create steep valley sides eg.rift valley... -slopes ma…
the superficial and unconsolidated material on the earth's su…
Definition of slope form
shape of the slope in a cross section
How does climate influence slopes?
-in humid areas, there is more chemical weathering which crea…
Geography AQA AS rivers: factors affecting channel/slope processes
Temperature
Weather
Rock type
Deforestation
Temperature affects the discharge of a river, high temperatur…
Heavy precipitation can cause an increase in the river's disc…
Chemical composition of rocks can affect how they react with…
Few plants means less interception, so more water reaches the…
Temperature
Temperature affects the discharge of a river, high temperatur…
Weather
Heavy precipitation can cause an increase in the river's disc…
P.C. Rocks and weathering- 3.3 Slope processes and development
Avalanches
Climatic Geomorphology
Falls
Flows
rapid movements of snow, ice, rock or earth down a slope
refers to the different processes that operate in different c…
movements of rock/debris under the effect of gravity, e.g. af…
movements of a mass of soil or rock that contain a significan…
Avalanches
rapid movements of snow, ice, rock or earth down a slope
Climatic Geomorphology
refers to the different processes that operate in different c…
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