Atmospheric Composition and Structure Weather and Climate • What is weather? – The state of the atmosphere at a specific time and place. • Defined by: Humidity, temperature, wind speed, clouds, precipitation, and air pressure • What is the climate? – The average weather of an area over a long period time. • Usually several decades People who study the atmosphere and weather are known as meteorologists. People who study the Earth’s climate are known as climatologists. Weather or Climate? • It’s 75°F today. Weather Climate Climate • New England has 4 seasons. • India has monsoon rains. • There was a thunderstorm last night. Weather What is in the Atmosphere? • The other gases include... Neon Methane Xenon Ozone Helium Krypton Hydrogen • The atmosphere is mostly air, which is a mixture of gases. • Water Vapor (~0-4%) – Varies place to place and day to day . • Aerosols – Small particles suspended in the atmosphere. • Dirt, pollen, sea spray, smoke, dust, etc. Materials in the Air These are the main ingredients required for making clouds! Layers of the Atmosphere – In between are the pauses, which are mini-layers were the temperature remains the same. • Tropopause, Stratopause, Mesopause • Troposphere • Stratosphere • Mesosphere • Thermosphere • Exosphere
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Atmospheric Composition and Structure€¦ · Atmospheric Composition and Structure Weather and Climate •What is weather? –The state of the atmosphere at a specific time and place.
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Atmospheric Composition and Structure
Weather and Climate• What is weather?
– The state of the atmosphere at a specific time and place. • Defined by: Humidity, temperature, wind speed, clouds,
precipitation, and air pressure
• What is the climate? – The average weather of an area over a long period time.
• Usually several decadesPeople who study the atmosphere and weather are known as meteorologists.
People who study the Earth’s climate are known as climatologists.
Weather or Climate?
• It’s 75°F today. Weather
Climate
Climate
• New England has 4 seasons.
• India has monsoon rains.
• There was a thunderstorm last night.
Weather
What is in the Atmosphere?
• The other gases include...Neon Methane Xenon Ozone Helium Krypton Hydrogen
• The atmosphere is mostly air, which is a mixture of gases.
• Water Vapor (~0-4%) – Varies place to place and day to day.
• Aerosols – Small particles suspended in the atmosphere.
• Dirt, pollen, sea spray, smoke, dust, etc.
Materials in the Air
These are the main ingredients required for making clouds!
Layers of the Atmosphere
– In between are the pauses, which are mini-layers were the temperature remains the same.