Books > Earth & environment > Earth sciences > The hydrosphere > Hydrology (freshwater)
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Estimation of Natural Groundwater Recharge (Hardcover, 1987 ed.)
Loot Price: R6,938
Discovery Miles 69 380
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Estimation of Natural Groundwater Recharge (Hardcover, 1987 ed.)
Series: NATO Science Series C, 222
Expected to ship within 12 - 17 working days
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In view of the rapidly expanding urban, industrial and agri
cultural water requirements in many areas and the normally
associated critical unreliability of surface water supplies in arid
and semi-arid zones, groundwater exploration and use is of
fundamental importance for logical economic development. Two
interrelated facets should be evident in all such groundwater
projects : (a) definition of groundwater recharge mechanisms and
characteristics for identified geological formations, in order to
determine whether exploitation in the long-term involves 'mining'
of an es sentially 'fossil' resource or withdrawal from a dynamic
supply. A solution to this aspect is essential for development of a
re source management policy: (b) determination of recharge
variability in time and space to thus enable determination of total
aquifer input and to quantify such practical aspects as 'minimum
risk' waste disposal locations and artificial recharge potential
via (e.g.) devegetation or engi neering works. However, current
international developments relating to natural recharge indicate
the following 'problems' ; no single comprehensive estimation
technique can yet be iden tified from the spectrum of methods
available; all are reported to give suspect results.
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