3 ms·
>using up all our non-renewable water What are you talking about? Places in the midwest and eastern part of the west that get plenty of rainfall every year?
by pathseeker 8y ago
>using up all our non-renewable water
What are you talking about? Places in the midwest and eastern part of the west that get plenty of rainfall every year?
- DoreenMichele 8y agoSure, that's why huge aquifers are shrinking and causing subsidence. Today about 27% of the irrigated land in the entire United States lies over the aquifer, which yields about 30% of the ground water used for irrigation in the United States.[5] The aquifer is at risk for over-extraction and pollution. Since 1950, agricultural irrigation has reduced the saturated volume of the aquifer by an estimated 9%. Once depleted, the aquifer will take over 6,000 years to replenish naturally through rainfall.[6] https://en.m.wikipedia.org/wiki/Ogallala_Aquifer https://en.m.wikipedia.org/wiki/Ogallala_Aquifer
- Turing_Machine 8y ago> Today about 27% of the irrigated land "Irrigated land" is not the same as "farmed land". The vast majority of farming is done in places where irrigation is rare. About 53 million acres of farm land in the United States is irrigated, but there are about 257 million acres under cultivation.