Category Archives: earth

Mass Movement/Mass wasting/Slope Movement

Posted on November 3, 2012 by Rashid Faridi

When the gravitational force acting on a slope exceeds its resisting force, slope failure (mass wasting) occurs. The slope material’s strength and cohesion and the amount of internal friction between material help maintain the slope’s stability and are known collectively … Continue reading →

Posted in earth | Tagged , , , , , | 4 Comments

We Need to Pull Carbon Out of the Atmosphere to Save The Planet

Posted on October 28, 2012 by Rashid Faridi

The year saw the Arctic sea ice extent fall to a new and shocking low, while the U.S. experienced it warmest month ever on record (July), beating even Dust Bowl temperatures. Meanwhile, a flood of new research has convincingly connected … Continue reading →

Posted in earth, Environment, pollution | 1 Comment

Concept of Cycle of Erosion(Davision Concept)

Posted on October 18, 2012 by Rashid Faridi

The cycle of erosion was a model for stream erosion and landscape development proposed by William Morris Davis in the late 19th century. Davis’ Stages in the fluvial cycle of erosion published in 1909 defined a young, mature, and old … Continue reading →

Posted in Class Notes, earth | 14 Comments

Earth Formed More Quickly than Previously Thought

Posted on May 9, 2012 by Rashid Faridi

Researchers from Israel, the U.S. and Japan are  saying that the nuclear clock used to measure the age of the solar system has been “ticking faster” than previously thought and that the Earth formed much more quickly than originally believed.Paul … Continue reading →

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