1 Springs

We have seen that where precipitation reaches the ground, some runs off the surface into streams and rivers and some of it infiltrates, passing through the soil. Water that reaches the water table to become groundwater may eventually re-emerge at the surface as springs where the water table intersects the surface. Almost all streams and rivers have springs or seepages as their ultimate source, or are fed by them at various points along their courses.

Artesian springs that are associated
Author(s): The Open University

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22.01 Introduction to Ionizing Radiation (MIT)
This course provides an introduction to the basic properties of ionizing radiations and their uses in medicine, industry, science, and environmental studies. We will discuss natural and man-made radiation sources, energy deposition and dose calculations, and various physical, chemical, and biological processes and effects of radiation, with examples of their uses, and principles of radiation protection.
Author(s): Coderre, Jeffrey

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Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative C

1.2.1 Try some yourself

1 A friend is painting the inside walls of a garage. So far she has used a 2 litre tin of emulsion paint and covered an area of 9 m2. She needs some more paint. How much more would you advise her to purchase if she intends to pa
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A circus without elephants?
Circus-goers are divided about the recent news that Ringling Bros. will retire its elephants by 2018. "The Greatest Show On Earth" recently arrived in Washington, DC and Vanessa Johnston went along to gauge opinion. Subscribe: http://smarturl.it/reuterssubscribe More updates and breaking news: http://smarturl.it/BreakingNews Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics inc
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Grant or Lee?
In this video clip, see notable personnel choose which of these admired Civil War generals they would want to lead our country. Robert E. Lee was an outstanding general on the battlefield and could do a lot with just a little. Grant was understanding and thought beyond the result of individual battles. (2:19)
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References

Sheldon, P. (2005) Earth's Physical Resources: An Introduction (Book 1 of S278 Earth's Physical Resources: Origin, Use and Environmental Impact), The Open University, Milton Keynes
Roy, A. (1999) The Cost of Living, Random House Inc, New York

Author(s): The Open University

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#356: Digital "dischord": How technology and markets are bleeding our musical artists

Economic geographer Prof Andrew Leyshon charts the rapid changes in the music industry since the 1990s, how new technologies are changing how music is made and consumed, and how artists are affected. Presented by Peter Clarke.