The Greenhouse Effect. Image from: www.anthonares.net/ ogle_planet.jpg.

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Presentation transcript:

The Greenhouse Effect

Image from: ogle_planet.jpg

Image from: Our Solar System

Venus Thick Atmosphere: 96% CO 2, Sulfuric Acid Average Temperature: 850 o F Mars Thin Atmosphere: 95% CO 2, also Argon, etc. Average Temperature: -64 o F Greenhouse Effect on Other Planets Earth Atmosphere: 79% N 2, 20% O 2, 1% Other gases Average Temperature: 56 o F

All weather takes place in the Troposphere Earth’s Atmosphere Image from: images/atmosphere.gi UV Light

Ozone hole over Antarctica, September The blue and purple colors are where there is the least ozone. Ozone depletion is human caused – due to the release of Chlorine and Bromine gases into the Stratosphere. Image from: Depletion of the Ozone Layer

Spectrum of the sun compared with that of the earth Slide from: Scott Denning, 2007 Atmospheric Science Class

Image from:

All weather takes place in the Troposphere Shortwave radiation comes through the atmosphere Earth warms and radiates longwave radiation

All weather takes place in the Troposphere Shortwave radiation comes through the atmosphere Earth warms and radiates longwave radiation

The average atmospheric temperature varies year by year, but overall, there has been a noticeable increase since From book: Essentials of Geology, S. Marshak, p. 533

Carbon is always on the move From book: Essentials of Geology, S. Marshak, p. 520

Eruption of Mount Cleveland, Alaska adds Carbon Dioxide to the air. Image from: image_feature_756_prt.htm

Plants use Carbon Dioxide and sunlight to grow. The byproduct of Photosynthesis is Oxygen and sugars that make the plant grow. Image from: grapevine.net.au/.../ science/photosynthesis.html

When plant material burns, it releases Carbon Dioxide in the Atmosphere. Image from: scenes/forest_fire.png

Image from Energy Information Administration

There is 30 percent more Carbon today than there was 150 years ago

Carbon in the atmosphere joins with Oxygen to form CO 2 Carbon atom Oxygen atoms

Image from IPCC Present-day Greenhouse Gas Sources 56.6% Carbon Dioxide, fossil fuels (oil, coal) 7.9% Nitrous Oxide 17.3% Carbon Dioxide, decay of plant material 14.3% Methane, natural gas, agriculture, etc.

Carbon is always on the move From book: Essentials of Geology, S. Marshak, p. 520

All weather takes place in the Troposphere Shortwave radiation comes through the atmosphere Earth warms and radiates longwave radiation, heat is trapped

The average atmospheric temperature varies year by year, but overall, there has been a noticeable increase since From book: Essentials of Geology, S. Marshak, p. 533