Geography Atmosphere Introduction to the Atmosphere [Date] Today I will: - Be introduced to the layers of the atmosphere and the global heat budget.

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Presentation transcript:

Geography Atmosphere Introduction to the Atmosphere [Date] Today I will: - Be introduced to the layers of the atmosphere and the global heat budget.

The layers of the atmosphere Geography Atmosphere The layers of the atmosphere

Geography Atmosphere Almost all of the heat on Earth was originally created by the Sun. This electromagnetic energy travels towards the Earth at light speed in the form of ultraviolet radiation, visible light, and infrared radiation.

Geography Atmosphere Incoming heat being absorbed by the Earth, and outgoing heat escaping the Earth in the form of radiation are both perfectly balanced. If they were not balanced, then Earth would be getting either progressively warmer or progressively cooler with each passing year. This balance between incoming (insolation) and outgoing (re-radiation) heat is known as Earth’s heat budget.

Geography Atmosphere Albedo: The proportion of the sun’s radiation that is reflected from any surface such as clouds or bare rock. The total albedo of the earth is about 35% (0.35)

Geography Atmosphere Glue the Earth into the bottom of your page. Copy the diagram from the board to show the Earth’s Global Heat Budget.