Mass Movement

Description

Mind Map on Mass Movement, created by Sean Reilly on 20/11/2019.
Sean Reilly
Mind Map by Sean Reilly, updated more than 1 year ago
Sean Reilly
Created by Sean Reilly about 5 years ago
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Resource summary

Mass Movement
  1. Human interference
    1. Deforestation
      1. Trees
        1. Bind the soil
        2. Soil becomes saturated
        3. Mining and Quarrying
          1. Trigger Mass Movement
            1. Landslides
              1. Rockslides
            2. Excavation
              1. Construction of roads
                1. Derrybrien
              2. Agriculture
                1. Overgrazing
                  1. Less Vegetation
                    1. Soil eroded
                    2. Overstocking land
                      1. Poor Land
                      2. Sahel
                    3. Types of Movement
                      1. Fast
                        1. Rock Fall
                          1. Mudflow
                          2. Moderate
                            1. Earthflow
                              1. Slumping
                              2. Slow
                                1. Soil Creep
                                  1. Features
                                    1. Teracettes
                                      1. Fallen Fence Posts
                                        1. Broken or fallen walls
                                  2. Factors affecting Movement
                                    1. Slope
                                      1. Steep
                                        1. Rapid
                                        2. Gentle slope
                                          1. Slow
                                        3. Water Content
                                          1. More water
                                            1. More likely to move
                                            2. Less water
                                              1. Wont Move
                                            3. Slope Material
                                              1. Rock(hard materials)
                                                1. Less Likely to move
                                                2. Mud(Loose Materials)
                                                  1. More Likely to move
                                                3. Vegetation
                                                  1. Helps hold Soil Together
                                                    1. Reduces the chance of mass movement
                                                    2. Human Activity
                                                      1. Digging of road foundations
                                                        1. Removal of trees
                                                          1. Comercial companys
                                                        2. Natural DIsaster
                                                          1. Lahar/mudflows occur
                                                            1. Volcanic eruptions
                                                          2. Tectonic Activity
                                                            1. VIbrations cause
                                                              1. Soil to become loose
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