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Earth Science Politics

The Anthropocene Epoch Began With 1945 Atomic Bomb Test, Scientists Say 154

hypnosec writes: Scientists have proposed July 16, 1945 as the beginning of the Anthropocene Epoch. That was the day of the first nuclear detonation test. They say "the Great Acceleration" — the period when human activities started having a significant impact on Earth – are a good mark of the beginning of the new epoch. Since then, there has been a significant increase in population, environmental upheaval on land and oceans, and global connectivity. The group says in their article (abstract), "The beginning of the nuclear age ... marks the historic turning point when humans first accessed an enormous new energy source – and is also a time level that can be effectively tracked within geological strata, using a variety of geological clues."
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The Anthropocene Epoch Began With 1945 Atomic Bomb Test, Scientists Say

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  • This reminds me of the classic Asimov short story, "The Last Trump"; you should go read it. Here's the Wikipedia link, but it's full of spoilers:
    http://en.wikipedia.org/wiki/T... [wikipedia.org]

  • I don't think so. (Score:3, Insightful)

    by BarbaraHudson ( 3785311 ) <barbara.jane.hud ... minus physicist> on Friday January 16, 2015 @04:55PM (#48834555) Journal

    We had access to coal and oil for a lot longer than nuclear, and fossil fuels today still represent 10x as much energy generated/used as nuclear. linky [wikipedia.org]

    The figures are from 2008 - before fukushima, and nuclear plant construction is going nowhere, while China produces 1 new coal plant every day.

    • by SeaFox ( 739806 )

      ...while China produces 1 new coal plant every day.

      [citation needed]

      • If you need a citation, why don't you just google "How many coal plants is China building?"
        • I tried your suggestion, so I could post something useful (rather than just post a useless, "well, why don't you..."), but neither Bing nor Google provided a good candidate to answer the question.

          I think your search term is useless, and a few minutes of searching variations didn't help either. Feel free to actually try to contribute.
        • Re:I don't think so. (Score:4, Informative)

          by shadowrat ( 1069614 ) on Friday January 16, 2015 @05:42PM (#48834997)
          i get a statistic that in 2013, china produced approximately 1 coal plant a week.

          http://en.wikipedia.org/wiki/C... [wikipedia.org]

          unless we are talking about may 17, 2013. for that time period, china did apparently produce 1 coal plant a day.

          i don't even know why i feel the need to argue this though. it has little to do with the topic. i just can't fight the urge to look up statistics. i think there's something wrong with me.
          • by radl33t ( 900691 )
            This is a great off topic addition to the thread. One I try to add as frequently as possible. That often cited statistic is from a brief period many years ago. China's coal construction has seriously tapered off in the last several years... in favor of wind and solar. China's coal consumption and bogus factoids surrounding it are often used to justify all sorts of ignorant nonsense regarding GHG, grid modernization, economic competition etc.

            The real story is that China, not the US has driven down the co
          • by Xest ( 935314 )

            It's called having a low tolerance for bullshit, and so no, there's nothing wrong with you.

        • by Dahamma ( 304068 )

          I don't disagree that coal has had more effect than nuclear on the environment, but your "fact" is completely wrong. Kind of sad, since if you had just kept to the facts it would have been a decent point.

          And yes, the top 3 Google results (as per your suggestion) say you are wrong. Feel free to find a citation that contradicts your suggestion, though.

    • They're not saying that nuclear power has the only impact. Just that since 1945, our overall environmental impact has increased dramatically- with China building 800 GW of coal plants being a perfect example. While our per capita impact in many ways has decreased, the huge increase in population has caused the aggregate impact to increase greatly.

      Also, while Japan and France may be scaling back their nuclear power generation, the "anti-nuclear" Obama administration has given the final approval for 4 new

      • They're not saying that nuclear power has the only impact, just bringing it up disingenuously because people have strong feelings about nuclear power.

        There, FTFY. And for the record, I'm anti-nuke because I don't believe that humans are sufficiently responsible to handle them, as a group. Once politics gets involved, it all goes downhill.

        • The only other logical starting point for this era would be the beginning of the industrial revolution. But that happened slowly over several decades, so it's a lot more difficult.

    • Re: (Score:3, Informative)

      by Anonymous Coward

      Yes, but they're talking about detectability of a time marker in Earth history. Post-1945 or so it is easy to detect radioisotopes in sediments being deposited world-wide.

      • Yes, but they're talking about detectability of a time marker in Earth history. Post-1945 or so it is easy to detect radioisotopes in sediments being deposited world-wide.

        As opposed to giant cities, garbage dumps, plastic in ocean sediments, weird chemicals in land and ocean sediments, carbon dioxide, aircraft carriers, AOL disks?

    • True, but usage has been accelerating exponentially, and there's not really any firm date you can point to and say "this is where it started getting bad".

      If the first atomic blast lines up with the rough time period when we started having a dramatic effect on a planetary scale, and offers a convenient global geologic marker in global radioisotope deposits, then it seems like as good a boundary point as any, and better than most.

      That said, I've seen some good arguments that global desertification over the la

      • That's just it - most people aren't aware that human activity - specifically the shift to agriculture - may have had enough of an impact even then to avert a mini-ice-age. When things are in flux and can go either way is when you'll see the butterfly effect.
        • Butterfly effect nothing - we've been the invasive species from hell, upending ecosystems wherever we go. Usually starting with exterminating all the megafauna.

    • by Anonymous Coward

      The reason is because it's easy to identify the precise geologic layer that corresponds with the first nuclear testing, not because that's the exact moment when humans starting screwing everything up.

      • The reason is because it's easy to identify the precise geologic layer that corresponds with the first nuclear testing, not because that's the exact moment when humans starting screwing everything up.

        So we fudge it? Sounds like bad science to me.

        • by pavon ( 30274 )

          No, good scientists understand significant digits. As far as geological epoch go, the time elapsed between the start of the industrial revolution and the start of the nuclear age is insignificant. Furthermore, while the technology began at the industrial revolution, the impact of that technology didn't have global environmental scale until later on. We don't mark the other geological boundaries at the point where precursors to change appeared, we mark them when change became significant. If you look at grap

          • If they understood significant digits, they wouldn't have measured the changing of an epoch down to the day. That's like me celebrating my birthday down to the millisecond.

  • Broken Style (Score:5, Informative)

    by 31415926535897 ( 702314 ) on Friday January 16, 2015 @05:02PM (#48834611) Journal

    The Anthropocene Epoch ended when the Bad Slashdot Style Epoch began after the following style code was introduced:

    #comments { clear:both; display:block; position:relative; padding: 0; margin: 0 0 0 122px; padding-right: 1.5em;z-index:1;}

    Get rid of the 122px left margin--it's wasting a lot of space.

    • They are trying to move you to the broken look and feel of the beta pixel by pixel.

    • Also it completely breaks formatting if you zoom in to 150% like I do

    • Re: (Score:2, Funny)

      by Anonymous Coward

      Hey, that margin is where I put my drink.

    • If this is part of the crap they changed a couple days ago, it also messed up viewing in some other browsers. I wish they would just go back to simple HTML 3, which used to view fine in everything.

      They couldn't get rid of enough of us with that awful "beta", so instead now they are breaking it one bit at a time.

    • The Anthropocene Epoch ended when the Bad Slashdot Style Epoch began after the following style code was introduced:

      #comments { clear:both; display:block; position:relative; padding: 0; margin: 0 0 0 122px; padding-right: 1.5em;z-index:1;}

      Get rid of the 122px left margin--it's wasting a lot of space.

      Thank you I thought it was one of my script blockers acting up.

  • If it's classified as "he period when human activities started having a significant impact on Earth", then wouldn't the industrial revolution mark the start of that?

    Or were coal-powered factories all over Europe belching horrible soot and smoke into the atmosphere not good enough?

    • I'd mark it at the transition from when things were mostly muscle powered, and thus limited in total energy expenditure by food production, to when most things were powered by other fuel sources. Once that switch occurred our ability to radically reshape the environment leapt upwards by several orders of magnitude.
    • by Anonymous Coward

      The nuclear blasts produce more obvious changes in the geological strata than the coal and other industrial changes do, so it's easier to trace. When looking at geological timeframes, the 200 years or so difference is a blink of an eye. It's not especially useful now while both periods are so recent, but it will become more useful as time goes on.

    • The effects of the early years of the Industrial revolution (smog/pollution from early coal plants and unrestricted garbage furnaces) likely had a significantly larger and longer lasting impact on Earth than the first Nuclear detonation did.

      If anything, I'd think that the discovery of the light bulb / harnessing of electricity would be a better point to define the start of a new epoch. That corresponds nicely with the time the industrial revolution started having lasting impacts on the environment, and do

  • by Anonymous Coward

    That is the same day the Gojira was awakened.

  • And did the turns speed up ?

  • ... I know when the Cretaceous period ended because the dinosaurs (except birds) went extinct and stuff, but I don't know when the Cretaceous period started or the Anthropocene period, either, but Bennett Haselton.

  • by Anonymous Coward

    When we stopped hunting and gathering and stayed in one place. Not bending to the earth but bending the earth to our needs. That's the beginning of the Anthropocene.

  • should really begin in 1879 - the year edison first lit his lightbulb.

    2cents

  • I'd put it down to world wars I & II which caused a massive acceleration in development of all types including land and air transport, computers, electronics, nuclear.
    The nuclear bomb coincided with jet flight, the transistor was 2 years later.
    And much of this development started with the industrial revolution in the 1800s.
    It was also a time when women were prominent in industry and the war effort, suffraget late 1800s to women's liberation 1960s effectively doubled the working population and changed s

  • by mysidia ( 191772 ) on Friday January 16, 2015 @08:55PM (#48836285)

    Today is January 16, 69 AE (Anthropocene Era)

    Someone born in 1946 CE will now be referred to as: Born in 1 AE

    Someone born in 1945 CE will now be referred to as "Born in 0 AE"; the year of the Anthropocene Epoch.

    1944 CE will now be referred to as "1 BAE"; 1 year before the Anthropocene Epoch, etc

    In this manner, every year renumbered.

    And of course, tomorrow will be 1/17/69.

  • In a million years, the start of the industrial age and the start of the nuclear age will be a geological blur.

    Besides, if we have to put a date on it, 1970-01-01T00:00:00Z is about as good a time as any other time in the 19th/20th/21st centuries.

    • by khallow ( 566160 )
      Keep in mind that the point here is to find geological markers. You won't be digging up a running Beowulf cluster.
  • I have the book "E = mc^2", by David Bodanis.

    In the notes accompanying the text there is (on Page 295 of the paperback) a note regarding a phrase on Page 191 of the main text), regarding steel production, Scapa Flow, and radiation monitors on stellar and interstellar instruments:

    In 1919 the Imperial German battlefleet surrendered to the British, and eventually the entire fleet was scuttled in the relatively shallow waters of Scapa Flow, Scotland. There's a lot of pre-WW2 iron in that watery graveyard.

    Steel

    • by rubycodez ( 864176 ) on Saturday January 17, 2015 @12:42AM (#48837071)

      nice try but coal from the industrial age also threw heavy radioisotopes into the air, starting centuries ago

  • Tying the antropocene epoch to the first nuclear detonation is a brazen attempt to smuggle the Garden of Eden / fall of man metaphor into this discussion under cover of a blinding fireball.

    How about using Madame Curie instead, and picking a nice round date like 1900?

    In 1900 Curie became the first woman faculty member at the Ecole Normale Superieure [/.sic] ...

    I also noted this passage in the Wikipedia article.

    Despite Curie's fame as a scientist working for France, the public's attitude tended toward xenopho

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