• Farmers, fishermen, pilots, shipping • Electricity companies: prepare for power outages caused by storms • Local authorities: flood protection, gritting and salting roads
Weather charts Depression
• Forms along polar front • Low pressure cell • Moves from west to east • Quick passage • Wind direction anticlockwise • Frontal rain • SECTOR 1: Warm front
– Cloud cover increases – Continuous rain
• SECTOR 2: Centre of depression • SECTOR 3: Cold front
– Heavy showers – Frontal rain – Occlusion – Occluded front
Anticyclone
• High pressure cell • Stable, lasts many days • Air sinking • Clear skies
– Summer: warm, dry weather – Winter: cold dry, weather – fog sometimes
• Well-spaced isobars indicate calm conditions
Synoptic charts
• Warm front symbol • Cold front symbol • Occluded front symbol
• Impact of human activities on the environment: open-cast mining
• Meteorology: hurricane paths
• Human impact on landscape: solar panels
• Natural disasters: California wildfires
Geographical information systems • Computer based
• Using different sets of data sources: aerial and satellite photographs – census data – maps – administrative data – archaeological data – environmental data
• Layered maps created • Uses: governments – commercial
• Advantage: Easy to update new data
• Disadvantage: Volume of data input can lead to errors