WebDec 15, 2024 · Biological weathering is the removal of minerals from the environment due to growth or movement of organisms. Living organisms contribute to both mechanical and chemical weathering. Lichens and mosses grow on essentially bare rock surfaces and create a more humid chemical microenvironment. WebHazardous environments resulting from mass movements 40. ... the impacts of mass movements can be reduced or eliminated. Assessment of the hazards posed by potential mass movement events are based …
6B Mass Movement - A-LEVEL GEOGRAPHY REVISION: EDEXCEL
WebAug 31, 2024 · Avalanches are one of the deadliest and catastrophic mass movements moving at speeds of more than 300km/hr. Avalanches are capable of killing thousands and destroy anything in their wakes from humans, vehicles, trees or even change the slope shape. Avalanches are a mixture of debris and snow racing down a mountain slope. WebA break in the earth's crust through which molten rock escape; gas pressure can cause violent, explosive eruptions; pyroclastic flows move fast and bury towns; ash can travel hundreds of miles, contaminate water supplies; can … hwz ceftriaxon
A2 CAMBRIDGE GEOGRAPHY: HAZARDOUS …
WebLandslides can be initiated in slopes already on the verge of movement by rainfall, snowmelt, changes in water level, stream erosion, changes in ground water, earthquakes, volcanic activity, disturbance by human activities, or any combination of these factors. Earthquake shaking and other factors can also induce landslides underwater. WebPrediction, hazard mapping, preparedness and monitoring of earthquake and volcanic hazards and perception of risk. 9.2 Hazards resulting from mass movements Mass movements and resultant hazards: nature and causes. Impacts on lives and property. Prediction, hazard mapping, preparedness and monitoring of the hazard and the … WebSep 11, 2024 · Rock falls, slumps, and debris flows are all examples of mass wasting. Often lubricated by rainfall or agitated by seismic activity, these events may occur very rapidly and move as a flow. Landslide … mash game for girls