What Are these Circles in Sudia Arabia desert ?

You might have seen green circles on Google Maps while navigating northern areas of Saudi Arabia and wonder what are these green circles? Saudi Arabia is one of the countries that use Centre Pivot irrigation.

The circular crops that are visible on the map are basically due to the center pivot irrigation being used by the country. In fact, you will find these circular crop fields on the map of those countries who utilize this form of irrigation.

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[AzmiTheTransporter]

Bro... Thats is not only in Saudi... In USA lot more than there...

[DavidElzeitsinfill]

Understanding the problem so we can understand the solution. Regional mega drought in the southwest, caused by a lot of things but essentially more water is being used and is in one way or another moved out of the region then the amount of water that is re-entered into the region. Conservation has its place but it is not a solution to this problem. The demands on water will not abate without causing complete collapse so the only alternative is to introduce a new source of water. Drawing water from other regional rivers like the Columbia or the Mississippi or Missouri would only move the problem around, draining other regions. The only essentially inexhaustible source of water is the ocean.
One thing we need to do is move water from the ocean back inland to places we need it and if we can do that while generating clean energy we have a chance to mitigate climate change and still have a prosperous future. It is really, really hard but it is not impossible.
If I could explain my idea in an equation it would go something like. (seawater from the west coast moved inland + converted by combination geothermal/desalination projects = clean water and clean energy.) The biggest idea I am trying to express is tunneling aqueducts from the coast, in this case the west coast of the USA inland to feed combination geothermal power and sea water desalination plants. The idea seems to be so big that no one has considered it possible but I believe it is not only possible but it is necessary. For over a century the fossil water contained in aquifers has been pumped out to feed agriculture, industry and municipal water needs. The natural water cycle cant refill fossil water deposits that were filled 10, 000 years ago when the glaciers melted after the last ice age. Without refilling these aquifers there is not much of a future for the region of the United states. As a result ground levels in some areas of the San Joaquin Valley have subsided by more than 30 feet. Similar fossil water depletion is happening in other regions all around the world. TBM and tunneling technology has matured and further developments in the industry are poised to speed up the tunneling process and it's these tunnels that are the only way to move large volumes of water from the ocean inland. The water is moved inland to areas where it can be desalinated in geothermal plants producing clean water and power. In many cases the water will recharge surface reservoirs where it will be used first to make more hydro power before being released into rivers and canal systems. It's very important however to not stop tunneling at these first stops but to continue several legs until the water has traveled from the ocean under mountain ranges to interior states. Along the way water will flow down grade through tunnels and rise in geothermal loops to fill mountain top pumped hydro batteries several times before eventually recharging several major aquifers. What I am proposing is essentially reversing the flow of the Colorado River Compact. Bringing water from the coast of California first to mountaintop reservoirs then to the deserts of Nevada and Arizona and on to Utah, New Mexico, Colorado and Wyoming. This big idea looks past any individual city or states problems and looks at the whole and by using first principles identifies the actual problem and only solution. I would like the opportunity to explain in further detail and answer any questions.