BUILD THAT WALL!!!
Posted: Sat Nov 20, 2021 11:30 pm
Plan B Forum
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BUILD THAT WALL!!!
http://www.theplanbforum.com/forum/viewtopic.php?f=4&t=22221
Page 1 of 1
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 12:14 am
That has been going on for quite a while
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 1:12 am
Where do they get water for the green wall? I looked at the website for a couple minutes but I couldn't find an answer.
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 8:08 am
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 8:09 am
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 9:26 am
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 4:03 pm
You realize the second paragraph starts “A decade in…” 
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 8:45 pm
Re: BUILD THAT WALL!!!
Posted: Sun Nov 21, 2021 11:59 pm
If they plant enough trees it does, in fact, import rainwater. Forests create their own microclimates by drawing moisture from the surrounding area.
That said with climate change going the way it is, not sure they can plant enough to overcome the weather extremes we are rumbling toward.
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:08 am
The original problem is that the soil is compacted and the rainfall which arrives runs off without soaking into the ground. One method is to dig holes in the ground and put in a little fertilizer along with tree shoots (or seeds). The holes provide a way for rainfall to collect and soak in and do some long term good. It has been successful in creating forests over hundreds of hectares where there was bare earth before.
The sahel is plagued by alternate droughts and severe floods. Methods which store and recapture water in high rainfall periods can be used to mitigate dry periods. Another method is to take a seasonal river bed and then build a series of dams backed by sand-gravel beds. In flood years the water soaks into the sand which also inhibits evaporation. A channel which directs the water to a cistern alongside the river allows the water to be harvested for many months after the rainfall. It also contributes to ground water which feeds trees alongside the river.
Make some slight effort next time.
There is relatively little which can be done in areas of severe continual drought like the Atacama, the Gobi and most of the Sahara but there are large transitional areas where different water management practices can make a huge difference.
yrs,
rubato
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:09 am
pp
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:10 am
pp
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:10 am
rubato wrote: ↑Tue Nov 23, 2021 4:09 amBoSoxGal wrote: ↑Sun Nov 21, 2021 11:59 pmIf they plant enough trees it does, in fact, import rainwater. Forests create their own microclimates by drawing moisture from the surrounding area.
That said with climate change going the way it is, not sure they can plant enough to overcome the weather extremes we are rumbling toward.
True.
Climate change might be good for the Sahel where floods are becoming more frequent and more severe.
yrs,
Rubato
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:11 am
dp
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:12 am
tp
Re: BUILD THAT WALL!!!
Posted: Tue Nov 23, 2021 4:12 am
qp