An obscure ZIM in Africa traded Down Under Message Board

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Gold/Mining/Energy : An obscure ZIM in Africa traded Down Under

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To: TobagoJack who wrote (664)	2/22/2003 10:48:57 AM
From: dvdw©	Read Replies (2) of 867

Thought you might like some information on a similar water resource undelying the US Central area. Water is an incredible problem this link might be helpful. QUES. 5: a. What is the Ogallala Aquifer, what is it used for, what are the problems associated with its use? A. The Ogallala Aquifer, is the buried erosional remnant of the Rocky Mountains. The aquifer stretches from the Texas Panhandle northward to South Dakota and is the largest single water-bearing unit in North America covering 174,000 square miles containing approximately 3,270 billion acre-feet of water. The Ogallala Aquifer is used for municipal, and industrial development and to irrigate crops, much of which is used to feed livestock. The problems associated with it’s use are that it is being used faster than it can be replenished. Some places overlying the Aquifer have already exhausted their underground supply as a source of irrigation and during times of drought have no reserve to fall back on. B. The draw down is not a national problem because only some areas have used the resource too much and many of the states would like to continue control over their prospective concerns over the Aquifer. National leaders should however be aware of the situation and the possible implications if the Aquifer becomes too depleted. However this is a case where technology is already being used to improve water-use efficiency, and today producers are irrigating fewer acres. As far as being able to link the depletion of water in the Aquifer to global warming would be difficult as the Aquifer has not been used as much because of the excess storage of rain water. This is contradictory to the theory of global warming which would mean we would have less rain because of global warming not more. The more important issue about the Aquifer now is not how much it is being depleted but how polluted it is. npwd.org meteor.iastate.edu em.doe.gov

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