structure of the atmosphere key terms 0.0 / 5 ? GeographyWeather systemsA2/A-levelAQA Created by: Katy-RhiannonCreated on: 05-12-16 13:36 Weather The state of the atmosphere at a given time and place. 1 of 11 Climate The average weather conditions of a place or an area over a period of 30 years or more. 2 of 11 Atmosphere Mixture of gases nitrogen, oxygen, argon, carbon dioxide, water vapour 3 of 11 Humidity A measure of the amount of moisture in the air. 4 of 11 Absolute humidity How much moisture in the air 5 of 11 relative humidity Expresses this amount as a percentage of the maximum that air of a certain temperature could hold 6 of 11 troposhere a thermal layer of atmopshere extending from the surface to a maximum of 16km 7 of 11 Tropopause Isothermal layer where temperature remains constant as altitude increases. 8 of 11 Stratosphere Characterised by a steady increase in temperature as a result of absorption solar radiation by the ozone layer 9 of 11 Mesopshere Temperature declines rapidly in this zone as there is no water vapour or dust to absorb radiation 10 of 11 thermosphere The increase in temperature resulting from absorption of UV radiation. 11 of 11
'Urban Areas have a Significant Impact on Climatic Characterictics' Discuss 3.0 / 5 based on 6 ratings
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