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  • Guest's Avatar
    Guest replied
    I cant believe there are people out there who have never seen or even heard of mechanical irrigation!
    This is helarious. It's like me not knowing of or even believing the exsistance of places that dont require irrigation. dont you people travel? I live near Las Vegas, Nevada (USA) and where I live, it is near impossible to farm without irrigation. This is how it is for several states in the U.S. (parts of oregon, washington, idaho, utah, nevada, colorado, new mexico and arizona) It used to be the sprinklers were long linear pipes on wheels that you moved about your field every day or so. But starting about 10 years back, these circular rotating sprinklers became the norm. Everyone who can afford them, gets them now because you dont have to hire people to come "move your pipe" each cycle. the cirular systems are fully automated.
    As for the water, the only time you use the circular irigation systems is when you dont have access to surface water. Anywhere ditches and canals can be built here in the west there are used, but often that is not an option so a well is drilled (not dug... this isnt the stone age) and a pipe and pump is placed into the bore hole to suck water out of the aquifers. (the aquifers are often called "underground lakes" but they are not. It is subsurface water that moves through the pore spaces of the subsurface strata. The more porus the strata, and plentiful the source [usually the mountains] the better and more "productive" the aquifer. And yes, even the sahara has lots of aquifers.. which are sometimes subsurface strata containing water that has been in the strata since the last ice age... the water can be carbon dated to determine its age and recharge rates)
    Anyway here are some other locations of crop circles that I have personally driven by, so I can verify that they are indeed crops and not resovoirs or alien landing pads, or secret subsurface government buildings used to plot future world takeovers.



    worldwind://goto/world=Earth&lat=37.75094&lon=-113.64814&alt=56449&dir=-43.8
    worldwind://goto/world=Earth&lat=38.43071&lon=-112.91270&alt=78759&dir=23.1&tilt=7.8
    worldwind://goto/world=Earth&lat=36.63540&lon=-108.19458&alt=87021&dir=23.1&tilt=7.8

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  • Guest's Avatar
    Guest replied
    i saw theese from the plane, on my way from europe to ghana. was quite funny to see a pile of green circles in the middle of the yellowish desert stretching from one horizon to the other

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  • Hackobo
    replied
    hehe, walt disney world in sahara (crop circles)

    worldwind://goto/world=Earth&lat=30.87040&lon=6.50278&alt =22386&dir=18.8&tilt=0.6

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  • ed4132
    replied
    Originally posted by shiriru@Mar 24 2005, 10:01 AM
    Check out this weirdest place in Libya, south eats of Baladiyat Ajdabiya.
    Latitude=27.36788
    Longitude=21.97911
    Altitude=148780

    If anyone has any idead, reply to this topic! Please!!!
    I am really spooked by this! :lol:

    here is a link for hotspot: http://www.worldwindcentral.com/hotspots/v...spot.php?id=673
    I would suggest these are open oil resevoirs. It would seem that a scooped out area in the sand would be cheaper to construct than hauling a lot of steel in to erect a bunch of expensive tanks.

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  • barnacle9
    replied
    Originally posted by Guest@Apr 24 2005, 12:01 PM
    That is a Top Secret Gov. Area with stuff they don't want us to know about.
    So I guess we'd better invade and make sure Kadafi has no WMD's up his arse!!! (He does, I KNOW HE DOES!!!!!&#33

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  • Hackobo
    replied
    irrigation circles in Nicaragua

    worldwind://goto/world=Earth&lat=12.25052&lon=-85.99554&alt=24159&dir=-1.5

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  • Guest's Avatar
    Guest replied
    Originally posted by Guest@Apr 24 2005, 12:01 PM
    That is a Top Secret Gov. Area with stuff they don't want us to know about.

    Why we don't use the Landsat 7 image to find the truth,
    it is easyly use the image to find out whether it is a crop or water pool.

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  • Guest's Avatar
    Guest replied
    That is a Top Secret Gov. Area with stuff they don't want us to know about.

    Leave a comment:


  • Guest's Avatar
    Guest replied
    Originally posted by Guest@Mar 24 2005, 09:10 AM
    Irrigation in a middle of a desert???
    In sahara desert?????
    No chance I say.
    It maybe looks like a scientific test.

    My father was in the irrigation business and sold pivots to many countries, including Lybia. Not only are those indeed irrigation pivots, they may be the ones that put me through college! :P

    Here's an example of them in Saudi Arabia:
    worldwind://goto/world=Earth&lat=26.80344&lon=49.15316

    And some in Israel:
    worldwind://goto/world=Earth&lat=31.23000&lon=34.50961

    It's an efficient way to grow crops in the desert. The emitters can hang low from the slowly rotating pivot, feeding the crops a nutrient solution with drippers or sprayers, keeping the roots moist and minimizing water waste.

    Technically, it's a form of hydroponics since the soil does not contain enough nutrients to grow the crops but only serves as a medium to support the plants - the fertilizers have to be continously fed with the water.

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  • mantra
    replied
    http://www.satimagingcorp.com/galler...-saudi-lg.html

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  • withak
    replied
    Originally posted by 5of0@Apr 12 2005, 02:25 PM
    BTW, the word you're looking for is "aquifers" (or perhaps "wells") in english.
    Aquifers are large reservoirs of water underground, wells are the holes you drill to pump water out of an aquifer.

    Leave a comment:


  • Sacha
    replied
    Originally posted by 5of0@Apr 12 2005, 10:25 PM
    What kind of add-ons are you thinking of - what do you mean by "geo-political"? I'd love to try making them. BTW, the word you're looking for is "aquifers" (or perhaps "wells") in english.
    Aquifers ? Thanks a lot, I was not very far finally

    For geopolitics add-ons, I think about many things. Like progressives historics maps of past lands, countries, empires. The earth didn't change enough since 5000 years (Aral sea drying, or volcanos, or may be 2 meters sea level on certains places due to alluvions, are details when we think in geogologic time, and with our NLT resolution).
    The lands are the same. It would be fine to see human territories maps changing with time.
    But I think further about actual maps showing tensions places (ex : Cachemire zone or Marocco Sahara vs Mauritania, or precisely water territorial complexity in moyen orient), with UN or other links.

    In France, we have a fantastic short TV documentary by Jean-Christophe Victor, the son
    of Paul-Emile Victor, the Pôles and Groendland specialist. We understand everything thousand time faster with his gopolitics maps.
    Where is money, where are the biggers pipe-line of Internet, Oil maps and reserves,


    I don't know the technical way. I'm a quite old timer. I tried to make add-ons but this kind of is a little bit too complicated for me. It's euphemistic :(

    But I guess that they would be great for education.
    May be at start, the historics maps by centuries, or important epochs, seems the more simple way to start... Because the area of this idea is enormous, I repeat

    Here, the archives of Le Dessous des Cartes :

    http://archives.arte-tv.com/hebdo/dessousc...t/archives.html

    Sorry for the doublon, I copy this suggestion in add-ons page

    Leave a comment:


  • 5of0
    replied
    What kind of add-ons are you thinking of - what do you mean by "geo-political"? I'd love to try making them. BTW, the word you're looking for is "aquifers" (or perhaps "wells") in english.

    Leave a comment:


  • Sacha
    replied
    Originally posted by Sacha@Apr 12 2005, 05:39 PM
    Transform the desert and make it green, like in the terraforming of Mars (read the Mars Trilogy of Keith Robinson, Red Mars and sequels), seems a project of fools, and may be, I don't know. But it's a dream of pioneers, in theses arid places.
    And Dune, I forgot

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  • Sacha
    replied
    Originally posted by moonmanner@Apr 10 2005, 02:55 PM
    yes ,of course! quite simply: the question to ask is,Where else but the desert would you irrigate?
    Israel was a desert one century ago. Zoom on it and look the power of water, wich is the blue gold of Moyen Orient. Geopolitic (add-ons in that way should be great) of water in dry places is one of most complicated of the entire world. The rivers are majority not national.
    Or there are many enormous aquifères (I don't get english traduction from french) under the ground of Sahara, billions cube meters of water like under the Mars one. If you hollow, very deep, you get the blue gold.

    And remember that these pharaonics projects are in the historic tail of Nasser (Assouan barrage), who is a kind of model for these actuals "socialist" arab leaders.

    Transform the desert and make it green, like in the terraforming of Mars (read the Mars Trilogy of Keith Robinson, Red Mars and sequels), seems a project of fools, and may be, I don't know. But it's a dream of pioneers, in theses arid places.

    Leave a comment:

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