[HN Gopher] Qanat
       ___________________________________________________________________
        
       Qanat
        
       Author : vinnyglennon
       Score  : 392 points
       Date   : 2023-11-11 17:18 UTC (1 days ago)
        
 (HTM) web link (en.wikipedia.org)
 (TXT) w3m dump (en.wikipedia.org)
        
       | chis wrote:
       | Crucial scrabble word
        
         | kristianp wrote:
         | I came by to say this. You'd want to know about "qi" and "qat"
         | too of course.
        
         | hunter2_ wrote:
         | As someone entirely unfamiliar with the word until now, the
         | first pronunciation inside my head, though immediately deemed
         | wrong of course, was /CUE-ah-not/.
        
           | userbinator wrote:
           | That's not surprising, since Qanon (what came to mind when I
           | saw this word) is pronounced with the leading CUE as well.
        
       | eganist wrote:
       | Related ancient Persian technology: the yakhchal
       | (https://en.wikipedia.org/wiki/Yakhch%C4%81l) (a.k.a the ice
       | pit).
       | 
       | We still use the same word in farsi for refrigerators today.
        
         | pvg wrote:
         | We still use half of the same word in English! 'yakh' and 'ice'
         | are cognates.
         | 
         | https://en.wiktionary.org/wiki/%DB%8C%D8%AE
        
           | hunter2_ wrote:
           | I love learning cognates that don't really look it. Acadian
           | and Cajun is another favorite, although I'm not sure if it
           | counts if they're both used in English.
        
             | AdmiralAsshat wrote:
             | Try saying "Acadian" quickly, and you can see pretty easily
             | how it might elide into "Cajun".
             | 
             | Uh-cay-dee-yan
             | 
             | Cay-dee-yan
             | 
             | Cage-dee-yan
             | 
             | Cay-jee-yan
             | 
             | Cay-jun
             | 
             | Speech gets lazier with repetition. Ask any native of New
             | Orleans how their city's name is pronounced: the majority
             | will say something like "Noo-ahh-lins" or even just
             | "Nah'lins".
        
               | djbusby wrote:
               | New Orleans. Outside it's four syllable. Inside it's one
        
           | aixhole wrote:
           | We use the other half too. 'Chal' and 'hole' are cognates as
           | well.
           | 
           | https://en.wiktionary.org/wiki/%DA%86%D8%A7%D9%84#Persian
           | 
           | YakhChAL: Ice-hollow.
        
             | pvg wrote:
             | They might be but that link doesn't seem to say that.
        
             | pazimzadeh wrote:
             | There are many cognates between Farsi and English. Here's
             | my list of really obvious ones:
             | 
             | Mani/Meaning
             | 
             | Dobare/Again (Double)
             | 
             | Vacal/Vocal
             | 
             | Lab/Lip
             | 
             | No/New
             | 
             | Baradar/Brother
             | 
             | Beitar/Better
             | 
             | Dokhtar/Daughter
             | 
             | Mord/Dead (i.e mortal)
             | 
             | Pose/Pose
             | 
             | Setareh/Star
             | 
             | Recid/Received
             | 
             | Dar/Door
             | 
             | Darije/Degree
             | 
             | Band (Bebande, mibandam)/To bind
        
         | jahnu wrote:
         | I visited several of these things in Yazd. Super fascinating
         | technology (and the city in general too).
        
         | jagaerglad wrote:
         | Just a minor off topic pet peeve of mine, but why not keep
         | calling the language that Persians speak "Persian" in English?
         | Just how it doesn't feel entirely right to suddenly start
         | calling Spanish "Espanol" instead in English, or Swedish as
         | "Svenska" and so on. I've met so many people not realizing the
         | endonym "farsi" is just a (for some reason) new word in English
         | used for the already well established name for the Persian
         | language
        
           | animal_spirits wrote:
           | I have only ever heard of the language referred to as Farsi
           | in English. We call the language that Mexicans speak,
           | Spanish, not Mexican.
        
             | xcdzvyn wrote:
             | Funnily enough it's called Spanish because it's from Spain.
        
             | dragonwriter wrote:
             | > We call the language that Mexicans speak, Spanish, not
             | Mexican
             | 
             | In the same way that we use "French" for the language
             | spoken by the Quebecois as well as that spoken by the
             | French, we use "Spanish" for the one spoken by Mexicans as
             | well as that spoken by the Spanish, sure. (Same as we use
             | "English" for the language spoken by Americans as well as
             | the one spoken by people in England.)
             | 
             | But that's not what's going on with Farsi.
        
             | FabHK wrote:
             | Yes, because they speak Spanish. But you call it Spanish,
             | not "Espanol". That's the point.
             | 
             | There are perfectly fine English words for what the Spanish
             | call "Espanol" ("Spanish"), and what the Germans call
             | "Deutsch" ("German"), and what the Indonesians call "Bahasa
             | Indonesia" ("Indonesian"), and what the French call
             | "Francais" ("French"), and what the Chinese call "Pu Tong
             | Hua " ("Mandarin"), and what the Persians call "Farsi"
             | ("Persian").
        
           | eganist wrote:
           | Farsi is solely the name of the language. Persian could
           | describe the language or a number of other things, such as
           | the culture, the people, etc.
           | 
           | Farsi and Persian are interchangable in the context of the
           | language, and plenty of Persian Americans prefer using
           | "Persian" to name the language rather than Farsi (this is
           | especially common among persians who refer to themselves as
           | "Persian," and I _think_ a lot of it is because  "Farsi" is
           | associated with "Iranian" which has a less ideal connotation
           | associated with it in the West today). But it's not
           | universal, and both are pretty widely accepted.
           | 
           | That's my understanding. I'm not versed in the historical
           | details though. There's probably a Persian culture professor
           | lurking who can offer a more informed answer.
        
           | yen223 wrote:
           | I've only ever known the language as being called "Farsi". I
           | don't think I've ever heard the language being called
           | "Persian".
        
           | crazygringo wrote:
           | That's a very interesting question. I've only ever heard it
           | referred to as Farsi, so I didn't even know there was another
           | option. Intriguingly, Wikipedia provides plenty of
           | information, which seems to support your position (italics
           | mine):
           | 
           | "Farsi, which is the Persian word for the Persian language,
           | has also been used widely in English in recent decades, more
           | often to refer to Iran's standard Persian. _However, the name
           | Persian is still more widely used._ The Academy of Persian
           | Language and Literature has maintained that _the endonym
           | Farsi is to be avoided in foreign languages, and that Persian
           | is the appropriate designation of the language in English,_
           | as it has the longer tradition in western languages and
           | better expresses the role of the language as a mark of
           | cultural and national continuity. Iranian historian and
           | linguist Ehsan Yarshater, founder of the Encyclopaedia
           | Iranica and Columbia University 's Center for Iranian
           | Studies, mentions the same concern in an academic journal on
           | Iranology, rejecting the use of Farsi in foreign languages."
           | 
           | https://en.wikipedia.org/wiki/Persian_language#Name
        
             | peyton wrote:
             | It's part of our overseas propaganda efforts to use
             | American linguistic hegemony to void cultural and
             | historical ties with countries we aren't friends with. The
             | language is Persian, not Farsi.
        
               | candiodari wrote:
               | I guess only the Italians and the Russians have American
               | friendship.
               | 
               | French in French = Francais
               | 
               | German in German = Deutsch
               | 
               | Spanish in Spanish = Espanola
               | 
               | Dutch in Dutch = Nederlands (old name: Diets, I might
               | add)
               | 
               | Irish in Irish = Gaelic (actually kind-of refers to 2
               | languages, but ...)
               | 
               | Swedish in Swedish = Svenska
               | 
               | Norwegian in Norwegian = Norsk
               | 
               | Finnish in Finnish = Suomalainen
               | 
               | (Note: most of these have various accents and special
               | characters that aren't correctly typed here, as well as a
               | bunch of nuances that really should be there)
        
           | paledot wrote:
           | I would be quite happy if we had a word for the language of
           | France that was distinct from the adjective. It's not
           | uncommon that I need to pause and clarify (typically "French
           | people", that is, native francophones vs. residents of
           | France). Not sure why more ambiguity is to be sought after.
        
             | Liquid_Fire wrote:
             | Maybe I'm misunderstanding you, but I would never interpret
             | "French people" to mean anything other than people from
             | France (not necessarily resident in France though). If
             | we're referring to language then it would be something like
             | "French speakers", or "native French speakers" if you want
             | to be specific.
        
               | simbolit wrote:
               | He meant "French" primarily means "French people" and
               | only secondarily "French language".
               | 
               | I'd try to distinguish this with a definite article, like
               | "the French" vs "French", but what do I know?
        
           | zeristor wrote:
           | The irony.
           | 
           | I am a bit indignant at having to call English British
           | English, why isn't it English English; to differentiate it
           | from American English, decorated with a little US flag as a
           | visual guide.
        
             | dontlaugh wrote:
             | To include English as spoken in Wales, Scotland, Ireland,
             | Cornwall, etc. "Celtic archipelago English" is a mouthful,
             | although it would be more accurate when including Ireland.
        
               | crazygringo wrote:
               | Seriously. OP doesn't seem to realize that someone in
               | Ireland may also be a "bit indignant" at suggesting it's
               | merely "English" English.
               | 
               | British English means it's English as written in the
               | British Isles.
        
               | dontlaugh wrote:
               | Someone in Ireland may reasonably also have a problem
               | with "British Isles", but that's harder to fix.
        
           | Penyngton wrote:
           | Here's a link you can use to explain the topic to people who
           | make this mistake: https://www.cais-
           | soas.com/CAIS/Languages/persian_not_farsi.h...
        
         | parentheses wrote:
         | I also stumbled upon this from here:
         | 
         | https://en.m.wikipedia.org/wiki/K%C3%B6ppen_climate_classifi...
         | 
         | It is used to describe climates in the above article.
        
         | userbinator wrote:
         | Relatedly, the word "icebox" also used to be commonly used to
         | refer to refrigerators in the early 20th century, because
         | before the advent of domestic refrigerating machines, ice in a
         | (insulated) box was used.
        
       | inductive_magic wrote:
       | Wonderful video which is somewhat related:
       | https://youtu.be/twAP3buj9Og?si=muhCC08RsFzofObB
        
         | archon1410 wrote:
         | It seems the video is making rounds yet again--it was also
         | recommended to me by the algorithm a few days ago.
        
         | guwop wrote:
         | amazing vid!
        
         | pciexpgpu wrote:
         | This entire thread is fantastic and a great learning
         | opportunity. Sent me spiraling through Wikipedia pages. This
         | video is really great too!
        
           | adriand wrote:
           | Agreed. Reading/watching this stuff reminded me of my
           | experience visiting Morocco a few years ago. We travelled
           | through the Atlas mountains and into the desert regions
           | bordering the Sahara and then into the Sahara itself. I was
           | struck by how everywhere we went, you could see signs of how
           | people had tried to extract water from what appeared to be an
           | utterly arid environment, whereas back home in Ontario,
           | everywhere you look there is infrastructure designed to
           | manage large amounts of it. Our biggest water-related problem
           | is that we often have too much of it, a problem that seemed
           | scarcely imaginable over there.
        
         | adhdbrain wrote:
         | This was an incredible video. Thanks for sharing!
        
       | extensis wrote:
       | Video from Asianometry about Iran's water problems, mentioning
       | quanat: https://youtu.be/watch?v=aaEhNTpvEN8
        
       | xeonmc wrote:
       | What a coincidence, recently saw it on Asianometry's video about
       | the Iran water crisis.
       | 
       | [0] https://www.youtube.com/watch?v=aaEhNTpvEN8
        
       | brabel wrote:
       | > By 400 BCE, Persian engineers had mastered the technique of
       | storing ice in the middle of summer in the desert.
       | 
       | The ingenuity of ancient people cannot be overstated. Some of us
       | think that before around 1800, everyone still lived in primitive
       | conditions... I guess this is an awesome counterpoint.
        
         | ben_w wrote:
         | Now I'm wondering if the sum total of all inventions prior to
         | 1800 is more or less than the total since 2000, to pick a
         | random year with no particular reason for the choice.
         | 
         | And how would you weight the importance of the inventions?
         | 
         | I think ice is nice -- but autoclaves, antibiotics, and
         | anaesthesia during surgery are much more important.
        
           | hnbad wrote:
           | "Ice is nice" is severely understating the importance of
           | refrigeration. The ability to preserve fresh foods is easily
           | up there with penicilin.
        
             | trevyn wrote:
             | There are a lot of ways to preserve food without
             | refrigeration.
        
               | simbolit wrote:
               | There are a lot of ways to stay healthy without
               | penicillin.
               | 
               | Doesn't mean penicillin isn't super-helpful. Doesn't mean
               | refrigeration isn't super-helpful.
        
           | woodruffw wrote:
           | These kinds of comparisons are category errors: you don't get
           | to autoclaves and antibiotics without the civilization-level
           | changes that get you irrigation and ice in summer.
        
             | ben_w wrote:
             | I don't deny that, my claim is more of "what counts as
             | 'primitive conditions'?"
        
           | pazimzadeh wrote:
           | They had antibiotics. Democedes used apples fermented in hay
           | to produce something which contained penicillin when he
           | performed the first known masectomy of Darius' wife Atossa
           | 
           | I can't find the source right now but it's similar to
           | Peruvian Tocosh https://en.wikipedia.org/wiki/Tocosh
        
           | KineticLensman wrote:
           | > Now I'm wondering if the sum total of all inventions prior
           | to 1800 is more or less than the total since 2000
           | 
           | Not sure why you have the gap between 1800 and 2000. But the
           | number of things 'invented' before 1800 is massive in terms
           | of the broad categories of things we consider essential to
           | life e.g. (in no particular order) fire, transport, cooking,
           | metal working, agriculture, animal husbandry, buildings,
           | weapons, health care, books, paintings, music, optics, etc.
           | There are very few things after 2000 of such importance.
           | 
           | I suspect that if you had a single cut-off at 1800, 'before'
           | might still win, if we stick to these high-level categories,
           | rather than, say, patent applications.
        
           | jcranmer wrote:
           | Your question is essentially unknowable, as the definition of
           | invention is unclear, and we have no hope of estimating
           | quantity with anything like the precision we have with modern
           | recordkeeping (we can't estimate how many patents would have
           | been produced in the 10th century had the modern patent
           | system existed back then). Recall that there's a lot of
           | innovation in the "little things"; note that a parallel post
           | is talking about different shapes of spearheads, and each of
           | those variations would definitely correspond to a new patent
           | in the modern patent system. At the same time, most written
           | sources throughout history are from elites, who give very
           | little thought to what the working classes are doing, and
           | thus tend to ignore innovation that does exist.
           | 
           | My gut instinct is that innovation rate throughout history is
           | largely constant on a per-capita basis, although I would
           | admit that probably some industries are more or less
           | innovative at various stages or in history. Through that
           | lens, the fact that you're looking at >10x total person-years
           | pre-1800 compared to post-2000 means that I'd feel rather
           | comfortable opining that there were more total innovations
           | before 1800 than after 2000.
        
           | geraneum wrote:
           | "autoclaves, antibiotics, and anesthesia during surgery are
           | nice but the super intelligent AI that found the cure for all
           | illnesses and the ability to go back in time and etc. are
           | more important."
           | 
           | Someone in x thousand years from now.
        
             | ben_w wrote:
             | Or even a hundred. The "singularity" analogy isn't one I
             | favour[0] but the radical changes the idea represents would
             | make today seem like a primitive ancient world to those
             | that come after it.
             | 
             | [0] https://kitsunesoftware.wordpress.com/2022/09/20/not-a-
             | singu...
        
         | vacuity wrote:
         | It's weird to me how compressed recent history actually is.
         | Unix was 1970, LISP was 1960, the US Civil Rights Act was 1964.
         | The Ottoman Empire was dissolved in the 1920s. At the same
         | time, there's already so much on the Internet. The iPhone was
         | released in 2007.
        
       | zabzonk wrote:
       | also mentioned in "Dune", the novel, along with other
       | arabic/persian words.
        
         | globular-toast wrote:
         | I somehow managed to read most of _Children of Dune_ without
         | looking up what a qanat is. Since then I 've remembered it
         | specifically for use in Scrabble, but over 20 years later I've
         | still yet to get the opportunity to use it (I don't play
         | Scrabble much any more).
        
       | dr_dshiv wrote:
       | The tunnel of Eupalinos is also an interesting reference. From
       | before 550bc on the island of Samos, it was an irrigation tunnel
       | through a mountain. They started digging on both sides and
       | managed to meet in the middle just 60cm off. Pythagoras was just
       | a boy at that time, but I like to think he was influenced.
        
       | miohtama wrote:
       | Qanat will be history soon. Iran, like West USA, has exploited
       | available water resources and there is simply no water left.
       | 
       | https://en.m.wikipedia.org/wiki/Water_scarcity_in_Iran
        
         | aixhole wrote:
         | The qanat system was effectively destroyed by the Mongols when
         | they invaded Iran centuries ago. That contributed to the
         | desertification of Iran and its overall decline.
        
           | krisoft wrote:
           | Hmm. How did the mongols do that? Qanat's are not magical
           | water making devices, they are just a long tunnel which leads
           | the water already in the ground to the surface. Even if the
           | Mongols were actively demolishing the tunnels the water is
           | still there underground.
           | 
           | Maybe there is some second order effect I am not aware of,
           | but this statement sounds fishy to me.
        
             | aixhole wrote:
             | Iran was basically a throphy throne for Turkic strongmen to
             | roleplay Persian King of kings for most of its post-Islam
             | history. I assume the collapse of a strong nation state
             | post mongols destroyed any hope of a top level national
             | reconstruction effort. Water was sourced from north and
             | flowed down south. It's like saying there we still have
             | coal when someone has come and ripped up the entire railway
             | network. More aptly, think Christmas lights in series. Now
             | imagine the lights are little oasis towns, and far flung.
             | Water stops flowing one day and it never comes back. That's
             | likely what happened. (Also remember that Iran is ~1/3 the
             | size of US and the dry parts are in the interior.)
        
             | Karrot_Kream wrote:
             | Mongols did this throughout the Islamicate world and did it
             | to South Asia also. They destroyed tons of existing
             | infrastructure and by the time civilizations here started
             | recovering, they had to deal with an ascendant Western
             | Europe.
        
       | startages wrote:
       | Qanat is an Arabic word which translates to "Canal", but it's a
       | little more traditional and made to transfer water for long
       | distances between a source of water and an agriculture field for
       | irrigation.
        
         | geraneum wrote:
         | A little side note, the original name of Qanat in Persian is
         | "Kariz".
        
           | cmrdporcupine wrote:
           | Curious, seems to me that they all come from the same
           | Akkadian (ancient Semitic language) root:
           | 
           |  _" From earlier form khhryz (/ kahrez /) or khhryz (/ kahrez
           | /), from Middle Persian [Book Pahlavi needed] (ksryc / kahrez
           | /) (compare Manichaean Middle Persian  (qhryz / kahrez /,
           | "qanat"), Parthian  (qhryc / kahrez /, "qanat") and Khunsari
           | khyryz (/ keiriz) /), or compound of khh (kah, "straw") + ryz
           | (rez, "to throw"). They used to throw straws in qanats' wells
           | to see how rapid the movement of water is for repair
           | purposes."_
           | 
           | Vs Latin "canal":
           | 
           |  _" For _cannalis, from canna ("reed, cane"), from Ancient
           | Greek kanna (kanna, "reed").*
           | 
           | And the Greek in turn comes, apparently, from Akkadian
           | (Semitic) _" qanum"_ "reed".
           | 
           | And so I'd guess the Arabic 'qanat' either from either
           | Akkadian or from its own Semitic vocabulary or was borrowed
           | back in from Greek.
           | 
           | Nifty.
        
       | dalbasal wrote:
       | How sloped are water tables, typically?
        
         | simbolit wrote:
         | Rough answer: as sloped as the terrain on top.
         | 
         | Better answer: it depends.
         | 
         | Best answer: find your local equivalent of
         | https://www3.twdb.texas.gov/apps/WaterDataInteractive/Ground...
        
       | SoapSeller wrote:
       | Also see Seville attempt to cool public spaces using modern
       | variant:
       | 
       | https://cartujaqanat.com/
        
       | aidenn0 wrote:
       | I first encountered this concept in a Sierra Adventure game:
       | 
       | https://youtu.be/rd-epKNOo0U?t=3049
        
       | nagonago wrote:
       | A nearby shopping center used to be called Qanat until it got
       | bought out and renamed to the very generic (Corporation) Square a
       | few years ago. Everyone still just calls it Qanat because it's
       | such a cool word, with an interesting history!
        
         | simbolit wrote:
         | I guess it is called "NAME OF THE CORPORATION square", but,
         | well, isn't "corporation square" a great name for a mall!
        
       | saagarjha wrote:
       | The Wikipedia article mentions this part twice but it doesn't
       | seem to explain why:
       | 
       | > The system has the advantage of being resistant to natural
       | disasters, such as earthquakes and floods, and to deliberate
       | destruction in war.
       | 
       | Like, it's a tunnel underground; it sure seems like an earthquake
       | might misalign or fill it so that it becomes unusable. Or in
       | wartime I'd dump sewage down one of the shafts to ruin the water
       | supply...what are the protections against this?
        
         | MichaelZuo wrote:
         | A lot of it might be hearsay or exaggerations.
        
         | geraneum wrote:
         | Obviously, compared to other means of transporting water at
         | that time! For example an "open" river could have been more
         | vulnerable in certain circumstances.
         | 
         | Strong earthquakes may affect the path of the rivers as well.
         | 
         | But I see your point in that, resistance to earthquakes or
         | adversities are not what Qanat/Kariz were famous for (as far as
         | we know).
        
           | zeristor wrote:
           | Aqueducts would be far more vulnerable.
        
         | saiya-jin wrote:
         | Water pipes with 0 leeway for movement or elongation/shortening
         | in the violently shaking ground or in the walls cracking seems
         | less resilient, at least in some cases, than these 'mud'
         | tunnels.
        
       | ricksunny wrote:
       | Tenerife also has 'galerias' that are dug horizontally into the
       | mountain to obtain water. (They were dug much later thsn the
       | qanats to my understanding)
       | 
       | https://es.m.wikipedia.org/wiki/Galer%C3%ADa_filtrante
        
       | la64710 wrote:
       | Looks like this has been posted multiple times in the past.. I
       | wonder why. Is there a story here ?
       | 
       | https://hn.algolia.com/?q=qanat
        
         | aetch wrote:
         | Easy points
        
       | ashalhashim wrote:
       | "Cecil - No civilization in history has ever considered 'chief
       | hydrological engineer' a calling."
        
       | ChrisArchitect wrote:
       | Some more discussion previously 7 years ago:
       | https://news.ycombinator.com/item?id=11719441
        
       | smsm42 wrote:
       | Very useful word if you play Words with friends
        
       | zeristor wrote:
       | I'm guessing that the use of pump driven wells chasing the
       | falling water table in the US means building these today isn't
       | viable, which is a shame.
       | 
       | Were the Persians smart enough to consider ground water recharge
       | to feed the aquifers?
        
       | robocat wrote:
       | Good image showing the rows of excavation holes and tailings:
       | 
       | https://www.ancientpages.com/wp-content/uploads/2020/07/qana...
        
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       (page generated 2023-11-12 23:01 UTC)