Category Archives: Environment

Volcanic Gases and the Origin of the Earth’s Atmosphere

Posted on June 1, 2008 by Rashid Faridi

Gas plume as lava enters the Pacific Ocean at Kilauea volcano, Hawaii. Photo copyrighted by Paul J. Buklarewicz. Two models are most favored for the origin of the atmosphere: outgassing or accretion. Outgassing is related to the differentiation of the … Continue reading →

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Atmosphere of Earth:Composition

Posted on June 1, 2008 by Rashid Faridi

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Structure of Our Atmosphere

Posted on May 31, 2008 by Rashid Faridi

Atmospheric Structure Not only does the atmosphere have a relatively stable composition, but it also has a structure to it. Below are two figures from Lutgens and Tarbuck (The Atmosphere, 8th edition) showing vertical profiles of the atmosphere. Note that … Continue reading →

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Geothermal Energy

Posted on May 29, 2008 by Rashid Faridi

Geothermal energy – literally heat from the earth – is a clean and versatile natural resource for the world’s steadily increasing energy needs. GEOTHERMAL RESOURCES When the rising hot water and steam is trapped in permeable and porous rocks under … Continue reading →