Beneath Africa, Survey Finds 'Huge' Water Reserves
gambit3 writes with this news, carried by the BBC: "Scientists say the notoriously dry continent of Africa is sitting on a vast reservoir of groundwater. They argue that the total volume of water in aquifers underground is 100 times the amount found on the surface. Across Africa more than 300 million people are said not to have access to safe drinking water. Freshwater rivers and lakes are subject to seasonal floods and droughts that can limit their availability for people and for agriculture. At present only 5% of arable land is irrigated."
More resources means people will think they can make more people. Which, of course, will be worse in the long run since underground water never lasts forever, and it will be a larger population to starve.
What Africa needs is education, not more water to be exported to other countries.
It is also a FINITE supply.... not a true fix for water shortage problem long-term...
leather-dog muksihs
Blog: @muksihs
I don't care how much good that water might do today: I want to know how long it'll last if a billion people start sucking it up. Aquifers replenish, but only very slowly. Even the scientists behind the research are stressing that industrial-scale drilling will exaust the supply eventually.
When do we get to play "colonize" again?
In principle it's a renewable resource, but it renews so slowly that it is non-renewable for all practical purposes. In Africa, deep wells have run dry because the water table has fallen after heavy use. Not a big surprise: Where is the replenishment supposed to come from?
Irrigation in areas with extreme sunlight is also going to create problems with mineral deposits ("salted earth").
So not only do they continue to attempt to live in a place that doesn't support human life but now they might screw with a water supply that's millions of years old. That sounds like a good idea.
Although I'm sure many will say this is inhumane, I suggest that this survey quietly disappear. Many of the United States' agricultural land is in danger of turning to dust due to several factors. Part of it is the poor use of land; Overuse of pesticides, chemical fertilizer, genetically engineered crops (the crops are not the problem, the business practices of companies like Monsanto are), and the loss of top soil due to erosion are just some of the problems. We have several states that are largely desert right now (the "dust bowl" was a ecological disaster caused by irresponsible farming practices). However, the other part of it is due to lack of access to fresh water. People are living in places that have tapped out their underwater reserves; Especially those in the southeastern United States. Several municipalities are embroiled in fierce legal battled over neighboring cities (and even states!) refusal to share their water. This is a situation that will only get worse over time; Already there is talk about southern states passing legislation or taking overt and aggressive action to divert water from the Great Lakes to areas of the south that soon will be uninhabitable without water relief -- others of course argue that the areas should never have been inhabited in the first place.
If the countries of Africa tap that resource, on one hand they will experience a sudden burst of economic activity and agricultural reform; and with it a corresponding explosion in population. However, there is already too much industrialization of the planet as it is, and with global warming going unaddressed due to a lack of cooperation by sovereign powers, an untempered entry into industry by so many new countries could cause a global ecological disaster that could leave most of the tropical regions of the planet devastated and unfarmable. If an industrialized country with access to state of the art technology, extensive scientific understanding, and sufficient natural resources, cannot solve these problems... I shudder to think what could happen if an entire continent did a history repeat.
#fuckbeta #iamslashdot #dicemustdie
Global warming is likely to lead to a de-desertification of Africa anyway, as increasing equatorial heat increases the absorption of water by the air over the Atlantic. But it's still Africa.
Help stamp out iliturcy.
Hmm, that's a surprise, I thought the ground was drenched in generations of bloodletting.
...an aquifer was found in Africa it was drained dry due to wastage and abuse of resources. This isn't a miracle cure, guys. If used properly, it might reduce the stress on the land (so allowing it to recover, so increasing rainfall) but it is NOT a substitute for surface reservoirs, it is NOT a substitute for learning how to be efficient with resources, it is NOT infinite and it is NOT going to cure centuries (if not millenia) of neglect of Africa.
It's a small world and it smells funny; I'd buy another if it wasn't for the money; Take back what I paid (SoM)
It's not new that there are huge groundwater resources in Africa. The only new thing in the article is that they mapped it in more detail then ever before. And these resources are also heavily utilized today. However, using groundwater for food production is not without great danger - the keyword here is salinification.
People bread like rabbits once there is enough food and water to go around. They do anyway, but the infant mortality rate is high and migration to barren areas is very limited. Once there's food, water and safety, large groups of people migrate and breed. In just one or two generations, the country will be densely populated and there will once again be a shortage of resources.
I was promised a flying car. Where is my flying car?
Just wait until either drill a few boreholes:
http://en.wikipedia.org/wiki/Criticism_of_Coca-Cola#Water_use
See also the 1978 novel "Flyaway" and the results of surveys made in the years before that which meant the author could find this out by reading some information for tourists.
What is new is the detailed map instead of finding it under just a few countries while looking for oil.
100 times something really small is not vast.
Also, there is a big difference between not having safe water and not having water. Just because there may be water there doesn't solve the problem of making it safe to drink.
Gaddafi has built a pipe system to use the huge aquifer under Libya. My friend told me that this was the reason why NATO went to war in Libya but not in Syria. The latter had nothing to offer (a la oil etc.) but the former has a huge treasure, and you can't have someone who doesn't play ball with the rich guys in charge.
Do I share my friend's opinion? Every day more and more.
"The agriculture ministry is not in charge of Gundam" - Japanese ministry official.
US and Middle East got oil, Europe got gas. God screws over Africa yet again with some muddy water. It's just not fair.
You see this bullshit all the time from people who never took more than BIO 100 and presume that humans work like bacteria. Turns out, they don't. The proof of that is first world nations. They all have at most low population growth, and many have neutral or negative population growth. The "human bacteria" theory says they should be the prime places for a massive booming population. There's abundance in everything and IMR is low so population should explode... But it doesn't.
Turns out when you solve the basic needs, when people have more than a subsistence living, when they don't have to worry about a bunch of their offspring dying, they stop having so many kids.
The way to control population is not to try and starve people of resources. You might notice that is the situation now and yet there's high birth rate. The way to control is to get people better lives. Sufficient food, clean water, medical care, shelter, etc and then the population growth is tamed.
This isn't a "Well we hope humans work like this," theory, it is how things HAVE worked. It is the reason there was no massive boom and crash in the US, Europe, Japan, and so on. Population growth has slowed, leveled off, or even inverted in all the places that have the most abundant resources.
The strategy of "Just let the brown people die," is not only extremely callous, it is also counter productive to getting a stable population level.
With enough energy, we could distill sea water. Therefore pure fresh water is not a finite resource that must limit the earth's population anytime soon. This is a myth. There is also not (in principle) an energy shortage -- just technical obstacles to using more of the solar and geothermal energy that are available in such staggering abundance (compared to our current energy usage).
Exactly. When you pump water out of the ground it's gone forever.
Underground reservoirs are not necessarily refilled by the next rain. Read up on such reservoirs found in North America. They were filled over many thousands of years and significantly drained by agriculture related drilling and pumping in decades. Every year agriculture has to drill deeper and deeper to find water.
It gets consumed, evaporates, and then it never rains again.
Of course it rains, the problem is that it does not necessarily rain where the water was harvested. Harvesting deep water reservoirs does not somehow change the fact that a region is a desert or arid region with little rainfall.
All of this water is great! But with all of the corrupt governments throughout Africa who will ever get to benefit from it?
I've always felt that Africa is the richest continent. It's chock-full of minerals, oil, diamonds, arable land (some land better than other land but with the right techniques just about anything is possible)... The climate is warm to hot throughout much of the continent facilitating growing. Its people? If you go to the right places hard-working, skilled and eager to work. But its corruption is widespread. Without targeting that (much easier said than done) this water will either stay in the ground or will go to benefit some dictator or other "politician".
That's like!... that's like!... *mumbles doing some math* carry the four... subtract the depth times the... divide out all extra... mmhm ... surface area... ah, yes... average out the known surface water... okay... times roughly 100... *writes some more* Yes! ... That's like zero liters of water!
*shoulders drop in disappointment*
Seriously? You think we actually bother to ship water across oceans? Not hardly. All the bottled water you find gets bottled relatively locally. Nobody is going to pay ocean freight prices to ship water when you can get it from a municipal source at $5/750 gallons or so.
Anyone else thing of Dune after reading the article?
if it turns out to be worth anything, they will start a never ending war over it and the only gaining anything would be producers of ak-47s and landmines .....
Having been to Africa, I can tell you that more freshwater wont solve the problem in the least. The water they get is not contaminated at the source. Much of it comes from wells, or Rivers and lakes. The rivers and lakes may have "Some" contamination... but that's not what the real problem is. The real problem is their horrible infrastructure. They lack even basic building inspection laws. Plumbing is done on-site, by whomever happens to be there. With no training in the field. The result is a haphazard public water supply infrastructure that is subject to contamination from the user.
A simple example is: Every bathtub that I saw in Africa did not have a shower. It had a sprayer that had a hose that led back to the side of the faucet. There was a hanger on the wall for... in every case that I saw the hanger had been long broken, and the sprayer lay in the bottom of the tub. If you fill the tub while leaving the sprayer laying in the water, you can get a siphon effect fairly easily. This draws dirty water from the tub back into the water supply. It's irrelevant where that water came from, it could have been triple distilled, it's now contaminated. This sort of setup is illegal in the united states for that very reason. There were thousands of other problems like this. Now imagine that your city had this sort of problem... ALL of the plumbing would have to be replaced... from the well to your faucet. The whole thing. How could you fix that? Now imagine it's an entire continent... and now you have a grasp of the size of the problem.
They will have to build it themselves if it doesn't lead directly from the mine to the container-port.
They feared that it could be used to suppress protest or support unpopular rule.
Congrats, you win the pertinent point award. I had to scroll down quite a ways to find your post, what, did all the Aussies go to bed already? They alluded to it in the article when the scientists said that this might not be the solution that they need for this problem.
They feared that it could be used to suppress protest or support unpopular rule.
The water would be great to grow biofuel crops. So there has been a lab grand all over the fossil water under Africa, by no less than ExxonMobil, Shell, BP and ConocoPhilips, among other smaller players. I'm concerned both with their unfair exploitation, and with the possible effects of an increase in atmospheric water vapor (a global warming gas like CO2) from tapping these fossil water resources.
People only value infrastructure if they had to bleed themselves to build it.
Or bleeding.
People can only fix things for which they have resources needed for fixing.
Like knowledge how to fix the things, tools needed to fix the things, materials needed to fix the things and the access to whole supply chains which will bring all those things needed TO the place where things that need fixing ARE.
Mit der Dummheit kämpfen Götter selbst vergebens
Both of feathers and dots variety.
Mit der Dummheit kämpfen Götter selbst vergebens
Places that have water supply issues tend to have scheduled (or unscheduled) water supply interruptions.
I.e. When the water in the reservoirs runs out, they shut off the water completely until the reservoirs refill.
Maybe for couple of hours a day. Maybe longer.
So, as the pipes across the system/town are drained of water, water draining away leaves vacuum behind which then sucks the water from the tub back into the pipes.
If you leave the hose in the tub and the faucet opened or leaky.
Where I live we have a similar problem with rural homes which used to have (or still do) their own wells providing water before the local infrastructure expanded to cover such locations.
As the water shortages were quite common until recently (new water treatment plant, pumping in water from the local lake) people would connect their wells as backup.
So... Water shortage drains water from the aqueduct, vacuum sucks the untreated well water from the wells, bacteria starts growing in the pipes.
Reservoirs are refilled, aqueduct water runs through the pipes, soon everyone's tap water smells "fishy".
Add to that decades of patching up the aqueduct, with pipes in some places being almost a century old, and you end up with tap water being literally white with chlorine.
That is until you supply enough water for the system to be full at all times by the said water treatment plant, preventing pressure issues.
Well... except at places where there are leaks. And back-flows due to "historical plumbing" somewhere in the pipes.
As a bonus, now that half the city is getting its water from a modern water treatment facility and the other half from another clean natural source - there is no need to dump that much chlorine down the pipes anymore.
After all, it was the complete shutdown of water supply that caused the sucking of the waters from the wells, right?
Except there are still underground leaks, pipes are still old, wells are still connected and the condition of filters in the water treatment plant is not exactly public knowledge.
So, half the city still keeps buying bottled water for drinking and cooking while those in charge of the aqueduct keep claiming that the water is fine.
Mit der Dummheit kämpfen Götter selbst vergebens
Seriously? The African people were enslaved and exploited, and their natural resources were exported to other nations. In contrast, the Americans were able to rebel and use their resources to develop their own economy. Perhaps if African had self determination earlier it would be in better shape, and perhaps not, but the situations were completely different.
US army bringing "democracy" to africa...
Fiji is a strange exception and I've no idea how they've managed to survive with those costs. Most US bottled water is made right in the US.
Take the two largest US brands, by far: Dasani and Aquafina. Those are Coke and Pepsi respectively. They are, quite literally, Coke and Pepsi without the syrup and carbonation. They just purify the municipal water, and put back in a bit of minerals for flavour (RO water is strange to most people, they aren't used to the utter lack of taste), bottle it up and sell it. It is made in local plants, along with the other beverages the companies produce.
So no, really, the US is not chomping at the bit here to import water from Africa. Almost all of it is local, and most of that is just from municipal supplies (some of it comes directly from springs or the like).
Which just happens to find another precious resource under Arab countries?????
Fracking -- injecting high pressure water so that they can pump the sought after resource out of the ground.
I'll see your senator, and I'll raise you two judges.
Oh, and a pony.
That's Africa. They get a monkey.
Mit der Dummheit kämpfen Götter selbst vergebens
ROTFLMAO
They feared that it could be used to suppress protest or support unpopular rule.