Water Conflicts Case Study - California 0.0 / 5 ? GeographyCase studiesA2/A-levelEdexcel Created by: lauraking20Created on: 04-06-17 10:45 Precipitation threats? (3) 1) Arid 2) Much of rainfall lost to evaporation & transpiration 3) Seasonal 1 of 11 Population issues? (2) 1) Huge population - huge demand 2) Spatial imbalance 2 of 11 Pressure system? High pressure system over the Pacific - blocks moist air currents 3 of 11 The issue associated with climate? La Nina - causes droughts 4 of 11 River system in California? Supplied by the Colorado River 5 of 11 Geology of Cali? A lot of surface run-off (only some infiltrates and becomes groundwater) 6 of 11 Main aquifer in US? Ogalla aquifer 7 of 11 How much of the US' freshwater is underground? 95% 8 of 11 How much irrigation water does this aquifer provide? 1/3 9 of 11 What had been happening to this aquifer? Steadily deploying as has been cut off from its natural sources 10 of 11 Example of group of people impacted? Texan farmers - many have had to move elsewhere 11 of 11
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