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Which factor does not commonly trigger mass movement?
One factor that does not commonly trigger mass movement is vegetation cover. In fact, vegetation can help stabilize slopes and reduce the likelihood of mass movement by absorbing water and providing root strength to hold soil in place.
What is the force behind mass movement what other factors can trigger mass movement?
Gravity is the force behind mass movements like landslides and rockfalls. Other factors that can trigger mass movements include heavy rainfall, earthquakes, volcanic activity, human activities like construction or deforestation, and changes in slope stability due to erosion or weathering.
What are the cycle of the mass movements?
Mass movements occur in a cycle of initiation, transportation, and deposition. Initiation involves the factors that trigger movement, such as rainfall or earthquakes. Transportation is the movement of material downslope, and deposition is the settling of material at the base of the slope. Over time, these processes can repeat and lead to further mass movements.
Where do mass movements usually occur?
Mass movements usually occur in areas with steep slopes or unstable geological conditions, such as mountainous regions, volcanic slopes, or areas with a history of seismic activity. Factors like heavy rainfall, deforestation, and human activities like construction can also trigger mass movements.
Which does not usually trigger mass movement?
Individuals walking does not usually trigger mass movement. Mass movements are typically triggered by natural events such as heavy rainfall, earthquakes, volcanic eruptions, or human activities like deforestation and construction.
Which factor does not commonly trigger mass movement?
One factor that does not commonly trigger mass movement is vegetation cover. In fact, vegetation can help stabilize slopes and reduce the likelihood of mass movement by absorbing water and providing root strength to hold soil in place.
One trigger of mass movements is the pores in sediment filling with?
debris
What is the force behind mass movement what other factors can trigger mass movement?
Gravity is the force behind mass movements like landslides and rockfalls. Other factors that can trigger mass movements include heavy rainfall, earthquakes, volcanic activity, human activities like construction or deforestation, and changes in slope stability due to erosion or weathering.
What are the cycle of the mass movements?
Mass movements occur in a cycle of initiation, transportation, and deposition. Initiation involves the factors that trigger movement, such as rainfall or earthquakes. Transportation is the movement of material downslope, and deposition is the settling of material at the base of the slope. Over time, these processes can repeat and lead to further mass movements.
Where do mass movements usually occur?
Mass movements usually occur in areas with steep slopes or unstable geological conditions, such as mountainous regions, volcanic slopes, or areas with a history of seismic activity. Factors like heavy rainfall, deforestation, and human activities like construction can also trigger mass movements.
Which does not usually trigger mass movement?
Individuals walking does not usually trigger mass movement. Mass movements are typically triggered by natural events such as heavy rainfall, earthquakes, volcanic eruptions, or human activities like deforestation and construction.
What does not usually trigger mass movement?
Events that do not typically trigger mass movements include minor policy changes, individual scandals, or isolated incidents that do not resonate with a large portion of the population. Movements usually require a broader issue or grievance that affects a significant portion of society to gain momentum.
What can trigger a mass movement?
Mass movements can be triggered by natural events such as earthquakes, heavy rainfall causing landslides, or volcanic eruptions. Human activities like deforestation, mining, and construction can also destabilize the land and lead to mass movements. Additionally, factors like steep slopes, weak soil structure, and saturation of the ground can contribute to triggering mass movements.
One trigger of mass movement is the pores in sediments filling with what?
Water and sediment are common substances that can fill the pores in sediments and act as triggers for mass movements. When the pores become saturated with water, it can decrease the strength and stability of the sediment, leading to events like landslides or debris flows.
During what season would you expect mass movements to be a greater threat?
Mass movements, such as landslides and mudslides, are typically a greater threat during the wet seasons like spring and summer when rainfall is heavier. The saturation of soil from increased rainfall can loosen slopes and trigger mass movements.
How do mass movements occur?
Mass movements occur when gravity acts on a large amount of material on a slope, causing it to move downhill. Factors such as steepness of the slope, type of material, amount of water content, and vegetation cover can trigger mass movements like landslides, rockfalls, or debris flows. Once the material becomes unstable and the resisting forces are overcome by gravity, a mass movement occurs.
How does water trigger mass movement?
Water can trigger mass movements such as landslides by infiltrating into the ground and reducing the friction between soil particles. This can increase the weight of the soil above and make it unstable, leading to the movement of material down a slope. Additionally, water can increase pore water pressure within the soil, further reducing the effective stress and making it easier for material to move.
