Geography 3.0 / 5 based on 1 rating ? GeographyNatural hazardsGCSEAQA Created by: bethwilkins45Created on: 15-05-18 17:15 Natural hazard A natural event that threatens people or has potential to cause damage. 1 of 34 Hurricane A tropical storm around North and South America 2 of 34 Cyclone A tropical storm in the Indian ocean and Australia 3 of 34 Typhoon A tropical storm in the Northern pacific and Asia 4 of 34 Tropical storm A natural hazard that form in areas of intense low pressure 5 of 34 Monitoring and prediction Tracking tropical storms and making predictions on where they will hit 6 of 34 Hurricane watch Advises a hurricane is possible 7 of 34 Hurricane warning Advises hurricane conditions are expected 8 of 34 Protection Measures in place to safeguard areas that might be hit 9 of 34 Planning Preparing for when the disaster happens if it is unrealistic to evacuate 10 of 34 UK weather roundabout Different air masses coming from different directions on the UK bringing different weather conditions 11 of 34 Jet stream The flow of winds but if it gets stuck it can cause long periods of the same weather 12 of 34 Climate change A long term change in the earths temperature 13 of 34 Quaternary period A period of time where temperatures greatly fluctuated 14 of 34 Inter-glacial period Periods of warmer weather 15 of 34 Glacial period Periods of cooler weather 16 of 34 Green house effect The radiation from the sun being absorbed and bounced of by the earths surface. Effected by greenhouse gases 17 of 34 Eccentricity The full cycle of the earths orbit around the sun 18 of 34 Axial tilt The earths tilt towards the sun- causes day and night 19 of 34 Precession The earths natural wobble 20 of 34 Sunspots cyclical changes in the energy output of the sun 21 of 34 Mitigation An action taken to reduce the long term risk of natural hazards 22 of 34 Adaptation An action taken to adjust the impacts of natural hazards 23 of 34 Oceanic crust The part of the tectonic plate that is in the ocean 24 of 34 Continental crust The part of a tectonic plate that is on land 25 of 34 Plate margin The border between two tectonic plates 26 of 34 Destructive margin Two plates moving towards one another which forces one plate under the other 27 of 34 Subduction When one plate is forced under the other 28 of 34 Constructive margin Two plates moving apart by conviction currents 29 of 34 Conservative margin Two plates moving past each other creating friction 30 of 34 Earthquake A sudden movement within the earths crust followed by a series of aftershocks 31 of 34 Volcano an opening in the Earths crust which lava, ash and gases erupt 32 of 34 Richter scale Measures magnitude 33 of 34 Mercalli scale Measure the intensity and effects of an earthquake 34 of 34
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