| 1 |
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Intro: Atmosphere Structure Composition Global Pattern discussed first. |
| 2 |
Insolation: Heat Budget – insolation received depends on solar constant, distance from sun, altitude of sun, length of day and night. Impact of absorption, reflection and scattering Albedo |
Air Circulation – influence of surplus heat at the equator Hadley model: Unicellular Development of Tricellular model |
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3 |
Westerlies Disruption of Ferrel Cell by Rossby Waves and Jet streams |
Forces acting on the air Wind formation: Pressure Gradient Force |
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4 |
Centripetal Force: Geostrophic Wind Coriolis Force |
Pattern of pressure belts on the surface of the earth. Impace of ENSO |
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5 |
ICT Exercise: ENSO & Walker circulation |
Meso-scale processes: Mechanisms causing Uplift Changes in air undergoing uplift Adiabats |
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6 |
Dew Point / Condensation Level Saturation Humidity: measurement of humidity in various parts of school |
High and Low Pressure Systems: LOW: Depression: formation, movement and change – include occlusions Associated weather pattern |
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7 |
HIGH: Anticyclone: formation, movement and change Summer and Winter weather patterns |
Hurricanes: formation, movement and change |
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8 |
Case Study: Hurricane ? |
Effects on human activity: positive and negative: include extreme events as well as weather patterns in the UK |
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9 |
Recent Case Study: Drought: Tornado: |
UK Synoptic Situation Air masses affecting UK: emphasis on weather conditions and impact of source regions and track of air mass. Go into occlusion of depressions |
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10 |
ICT Exercise: UK: How does the weather affect our lives ? |
Local Scale: Impact of Lapse Rates Need to know ELR, DALR, SALR and change with height |
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11 |
Plotting and interpretation of tephigrams and relationship between the lapse rates and the stability of the atmosphere Absolute Stability Conditional Instability etc. |
Weather types associated with atmospheric conditions: some discussion of cloud classification. Formation of rain, thunderstorms. Link to flash flooding. |
12 |
ICT: Recording of weather Use of weather station Measuring instruments |
Limitations of instruments in terms of accurate recording and effective forecasting of the weather. |
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13 |
World weather patterns ICT: Internet exercise looking at the world’s weather. |
Microclimates Urban Heat Islands Case Study: London |
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14 |
Synoptic Charts Global Warming Video Questions |
ICT: Global Warming |
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15 |
Human Impacts: Ozone layer and pollution |
Revision: Preparation for exams |
Based on 2 x 70 minute lessons per week.