Download Alfred Wegener: Creator of the Continental Drift Theory by Lisa Yount PDF

By Lisa Yount

Whilst German meteorologist Alfred Wegener first proposed his groundbreaking thought of continental displacement, later known as continental go with the flow, in 1912, his geologist friends rejected his idea as the box of geology on the flip of the century used to be dependent in 18th- and 19th-century observations concerning the nature of the earth and the planet's improvement. Wegener's idea of continental flow proposed that the big landmasses slowly moved at the earth's floor over hundreds of thousands of years. His suggestion defined numerous observations made in regards to the earth, from how the continents shaped, to what motives earthquakes, to how the earth's floor maintains to alter. An itinerant explorer, Wegener traveled world wide, and he died whereas on a polar venture in Greenland. It wasn't until eventually a long time after his dying that the continental flow conception proved fruitful to different scientists within the twentieth century. In "Alfred Wegener", learn the way this bold adventurer pieced jointly a thought that later revolutionized the Earth sciences.

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Extra info for Alfred Wegener: Creator of the Continental Drift Theory

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Just three years after Darwin’s estimate and partly in reply to it, renowned Scottish physicist William Thomson (1824–1907), better known as Lord Kelvin, announced that the crust of the Earth Changing Views of the earth  was only 100 million years old—at most. Kelvin based his opinion on calculations involving the composition and heat conductivity of major rock types in the crust and the increase in temperature with depth that had been measured in mines and similar structures. His views carried a great deal of weight because he was the most famous physicist of his time, the formulator of the laws of thermodynamics, which explain how heat relates to other forms of energy.

32 Alfred Wegener While looking at an atlas that a friend had received as a Christmas present, Alfred Wegener noticed that the shapes of South America and Africa looked as though the two continents could once have fitted together like puzzle pieces, although they are now separated by the Atlantic Ocean. This observation was the inspiration for Wegener’s theory of continental drift. Weather Pioneer  rather than the current edges of the continents. ” Wegener was not the first person to notice this apparent match.

The version most available in English today is a 1966 retranslation of the fourth (1929) edition, the final version issued during Wegener’s lifetime. Fifth and sixth editions, edited by Kurt Wegener, were published after Alfred’s death. The basic concept in Wegener’s theory was the one that had gripped him from the beginning—the idea that the Earth’s continents had moved horizontally on the planet’s surface during past 8 Continental drift 9 geologic eras. In doing so, they had changed their shape, their position on the surface, and their relationship to each other and the ocean basins.

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