Geography 18/10/2020
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Geography 18/10/2020 - Leaderboard
Geography 18/10/2020 - Details
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| 🇬🇧 | 🇬🇧 |
| Hows wind caused? | Differences in airpressure caused by differences in temperature-wind moves from high to low pressure. |
| Describe global atmospheric circulation. | 1)equator-Sun warms equator, air rises and cools - low pressure, clouds rain. Then moves away to 30degree N&S and sinks - high pressure, cloudless low rain. Cool air reaches ground and moves as surface winds back to equater ( easterlies trade winds which meet and cycle happens again) or poles (westerlies) 2)60degrees-warm surface winds meet and are less dense than cold air from poles so rise causing low pressure some moves back to equator and some moves back to poles then sink causing high pressure 1)the high pressure air at the poles is drawn back to the equator as surface winds. Exact location of pressure belts vary over time |
| Describe climate at polar, temperate, arid and tropical. | Polar-Cold all the time Temperate(60degrees)-Low pressure-warm rising air-high rainfall.Moderate summers and winters. Arid(30degrees)-High pressure-sinking air-low rainfall Tropical(equator)-Low pressure-warm rising air-high rainfall. Hot alll the time |
| Describe how GAC effects wind,precicipitaion and temperature. | 1)Wind-Air moving from high to low pressure so at pressure belts wind is weak, inbetween them wind is strong. Higher pressure contrast-faster winds e.g. north coast of Austrailia 2)precipitaion-happens when air rises at low pressure belts e.g. Amazon but high pressure belst means low rainfall e.g. Sahara 3)Temperature-High at equator due to sun and high pressure belts as there is low cloud cover |
| Describe your tectonic hazards case study. | Location-Kashmir, Pakistan Cause-Euraian and indian plate meet at collision plate boundry Date-8th October 2005 Size-7.6 on the moment magnitude scale Neighbouring countries-India, Afghanistan,China |
| What were the causes of your tectonic hazard case study? | 1)Eurasian plate and Indian plate meet at collision plate runing through Pakistan which forms the Himalayan fold mountain range. 2)On 8th October 2005 strain built up suddenly releasing the earthquake. |
| What were the consequences of your tectonic hazard case study? | 1)80,000 deaths mainly from collapsed buildings 2)10s of thousands injured 3)100s of thousands of buildings damaged or destroyed and not rebuilt quickly 4)3million made homeless 5)Water pipelines, electricity lines and telephone lines broken cutting off supply 6)roads blocked 7)Dhiarrhoea and other diseases spread due to little clean water 8)Freezing weather after slowed down reconstruction and caused more casualties |
| What were the responses of your tectonic hazard case study? | 1)International aid - helicopters, rescue dogs and teams of people but many rescued very late or by hand with no equipment 2)Tents, blankets and medical supplies distributed but took 1 month to reach most areas 3)40,000 people from one town were relocated to a new settlement 4)Government movey was given for houses but many used it on food. After 3 years many still in temporary tents. 5)Aid was given for schools but 10 years later people still being taught outside. |