NAT_R 2160 Lecture Notes - Water Security, Ganges, Lake Allatoona
6 Oct 2014
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Document Summary
Water security- the availability of drinking water and water services. Water o (wastewater treatment, irrigation, bathing, etc. ) can directly limit human population development. o waterways has major impacts on large rivers worldwide. Water shortages- our current practices of building dams and diverting. Colorado river- southwestern us; all water is allocated; rarely. Ganges river- india; 300 million people live in ganges river makes it gulf of california. Basin- polluted! dry by the time it reaches the mediterranean sean. Aral sea- a vast closed lake in central asia. Nile river- egypt; where it rarely rains, this river is vital, but runs. For centuries it supported agricultural practices and a. Soviet control turned to cotton production, requiring variety of crops. intensive water and chemical use. chemicals and pollutants that increased local infant mortality to a recorded 50%. The lake was drastically reduced in 15 years, accumulating. The colorado river supplies much of arizona"s needs.
