WebGCSE Revision Geography Weather & Climate Anti-cyclones and Depressions Quick revise Anti-cyclones (high pressure) These are areas of high pressure which result when the air sinks to give high pressure at the surface. Anti-cyclones bring with … WebDefinition An area of high pressure An area of low pressure (easy to remember – if you’re depressed, you’re feeling ‘low’) Air movement Air is sinking Air is rising Cloud cover Clouds cannot form As it rises, air cools and condenses to form clouds Wind speed Winds are gentle, blowing out from the centre of high pressure. The isobars ...
High and low pressure - 3rd level Geography - BBC Bitesize
WebThere are some basic concepts that students need to know before they can understand weather and climate patterns and plate tectonics e.g. low pressure derives from rising air, that the Earth’s land does not grow simply because new crust is created and what … Web2. Describe how a high-pressure system can lead to a heatwave (use information from page 9 to help you with this question). Hot air was drawn into the UK from a high-pressure system that was over central and southern Europe. The sinking air in a high-pressure system brings calm, dry and hot conditions, leading to a temperature of 36.7¦°C diass source oed
The Global Atmospheric System – GCSE Geography B Edexcel …
WebThe graph below illustrates the impact of the One Child Policy on fertility rates, expressed as babies per woman. The fertility rate in China has dropped, reducing future strain on resources. The average number of children per woman in China dropped from 6 to 2.5 between 1950 and 2005. An estimated 300-400 million births were avoided. WebThe air becomes colder and denser, and falls, creating high pressure and dry conditions at around 30° north and south of the equator. Large cells of air are created in this way. Learn about and revise climate change and its effects on the UK and the rest of the … The crust is the outer layer of the Earth. It is a thin layer between 0 - 60 km thick. The … A tropical cyclone is a very powerful low-pressure weather system which results … What’s the best way to revise for exams? What happens on results day? Get … Latest weather conditions and forecasts for the UK and the world. Includes up to 14 … Learn about and revise different types of volcanoes and their characteristics and … Earthquakes are caused by the release of built-up pressure at plate boundaries. … Get the latest BBC Science and Environment News: breaking news, … WebPressure differences – Land and sea heat up differently. Land: • heats quickly in summer and cools quickly in winter • heats up air above it, the air becomes lighter and rises • generally forms areas of low pressure in the summer and high pressure in winter. Sea: … diass disciplines of social work