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  • The Great Dying

    It seems that the deaths of 55 million and the rewilding of an area the size of France created global cooling.. Not a solution for today's problems - I think I might even miss the French.

    https://www.bbc.co.uk/news/science-environment-47063973
    Human history becomes more and more a race between education and catastrophe (H G Wells)
    Mit der Dummheit kaempfen Goetter selbst vergebens (Friedrich von Schiller)

  • #2
    TO accomplish that in the UK,-just replace Teresa May with -Mao. Tse Tung....
    The trout who swims against the current gets the most oxygen..

    Comment


    • #3
      Originally posted by MarkV View Post
      It seems that the deaths of 55 million and the rewilding of an area the size of France created global cooling.. Not a solution for today's problems - I think I might even miss the French.

      https://www.bbc.co.uk/news/science-environment-47063973
      The small amount of data in the article is far from conclusive, or adequate for their conjectures, IMO. For one thing I don't see an assessment of what the net flora gain would be of wild plant increase over the prior cultivated plants.

      In the Amazon basin there would have been mostly rain forest growth replacing the cleared and cultivated areas where there appears to be significant indigenous population die off.
      Book "1491" ; https://en.wikipedia.org/wiki/1491:_...efore_Columbus
      Terra preta ; https://en.wikipedia.org/wiki/Terra_preta
      In North America, much of that rewilding may have been brush regrowth under the local trees, where earlier the natives had engaged in routine slash burning as another part of their agriculture and land management.

      There is also the factor of the Black Death/Great Plague which occurred about 150 years prior taking out about twice as many of the global population and one would expect to see a similar "rewilding" in those parts of Europe-Asia, etc.;
      https://en.wikipedia.org/wiki/Black_Death

      Also, we begin to see a global increase in forest reduction for wood to build and burn from the start of the 16th century/1500s up to the present, and current total of lost "carbon sequestering" plants tends to counter-weigh human CO2 production(show a possible distortion of increase). My point being there are so many inter-connecting factors affecting "Climate" on both local and global scales that efforts like the article in the OP seem a case of focus on one gear of dozens within a complex machine.

      Just one of many other factors would be that while for the most part we think of Earth as a rather closed and finite system in terms of material composition, there is a steady rain of dust and debris falling from outer space, adding to our material mass. There are also energy increases provided via impacts. One of many such to consider would be the Taurid meteor streams;
      ...
      The Taurids are an annual meteor shower, associated with the comet Encke. The Taurids are actually two separate showers, with a Southern and a Northern component. The Southern Taurids originated from Comet Encke, while the Northern Taurids originated from the asteroid 2004 TG10.[4] They are named after their radiant point in the constellation Taurus, where they are seen to come from in the sky. Because of their occurrence in late October and early November, they are also called Halloween fireballs.

      Encke and the Taurids are believed to be remnants of a much larger comet, which has disintegrated over the past 20,000 to 30,000 years,[5] breaking into several pieces and releasing material by normal cometary activity or perhaps occasionally by close encounters with the tidal force of Earth or other planets (Whipple, 1940; Klačka, 1999). In total, this stream of matter is the largest in the inner solar system. Since the meteor stream is rather spread out in space, Earth takes several weeks to pass through it, causing an extended period of meteor activity, compared with the much smaller periods of activity in other showers. The Taurids are also made up of weightier material, pebbles instead of dust grains.[6]
      ...
      Due to the gravitational perturbations of planets, especially Jupiter, the Taurids have spread out over time, allowing separate segments labeled the Northern Taurids (NTA) and Southern Taurids (STA) to become observable. The Southern Taurids are active from about September 10 to November 20, while the Northern Taurids are active from about October 20 to December 10. Essentially these are two cross sections of a single, broad, continuous stream in space. The Beta Taurids and Zeta Perseids, encountered by the Earth in June/July, are also cross sections of the stream that approach from the Earth's daytime side and, as such, cannot be observed visually in the way the (night-time) Northern and Southern Taurids of October/November can. Astronomers Duncan Steel and Bill Napier even suggest the Beta Taurids could be the cause of the Tunguska event of June 30, 1908.[7]
      ...

      The Taurid stream has a cycle of activity that peaks roughly every 2,500 to 3,000 years,[7] when the core of the stream passes nearer to Earth and produces more intense showers. In fact, because of the separate "branches" (night-time in one part of the year and daytime in another; and Northern/Southern in each case) there are two (possibly overlapping) peaks separated by a few centuries, every 3000 years. Some astronomers note that dates for megalith structures such as Stonehenge are associated with these peaks.[citation needed] The next peak is expected around 3000 AD.[7]

      The Taurids also have more frequent peaks which may result from a heavier concentration of material in the stream, which only encounter Earth during some passes.
      ...
      https://en.wikipedia.org/wiki/Taurids
      TANSTAAFL = There Ain't No Such Thing As A Free Lunch

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      • #4
        Complete speculation is how I would describe the original article. I happen to be a fan of speculation so that is not the problem the problem is the bias that goes into picking explanations that suit your political orientation. The opposite hypothesis is amusing.

        It has been speculated that increased human populations living at high latitudes caused the Little Ice Age through deforestation. The increased albedo due to this deforestation (more reflection of solar rays from snow-covered ground than dark, tree-covered area) could have had a profound effect on global temperatures.
        https://en.wikipedia.org/wiki/Little...an_populations

        It's just a guess but I lean towards orbital cycles and volcanic eruptions to explain the little ice age.

        Two hundred years ago, a massive volcanic eruption in Indonesia rocked the globe. Ash shot miles into the sky when Mount Tambora exploded. A wall of hot gas and rocks sped down the mountainside and destroyed the city of Tambora. The ash that was lofted into the atmosphere spread far across the Northern Hemisphere and left the Earth in the midst of a year without a summer.
        https://www.washingtonpost.com/news/...=.1487f328df1a

        Global Warming is not nearly as large a threat to mankind as massive volcanoes cooling the planet. It is estimated that we have at best a 9 month food supply. While it is relatively easy to grow food in a desert you cannot grow anything on ice. Since the geniuses that do our climate studies think food comes from grocery stores it isn't surprising their priorities are out of wack with reality. What the global warming community reflects is the abysmal state of our liberal arts education especially history. If people can be hood winked into believing in a post industrial society why not a post agriculture society. The power of new speak would be funny if it wasn't so dangerous.

        In a world where people think lead from behind makes sense, biological sex is a social construction, that Europe invented war, that Islam is the religion of peace, that police are hunting minorities, that necessary hierarchies of competence is the patriarchy, that the eight inches of birth canal determines whether a infant is a human being or not, that masculinity is toxic, that socialism just hasn't been tried, that co2 is a pollutant, that slitting wood not atoms is environmentally sound logic, that border barriers are immoral, that college campuses are dangerous for females, that study programs at universities are not indoctrination programs, that Hitler was worse than Stalin, that Che Guevara was a hero not a psychopath, that brutalized architecture is genius, that pissing in a jar is art, that punctuated equilibrium validates Marxism, that European welfare states are socialist, that Europeans invented slavery, that racism is worse now than at any point in history but has just been driven underground, that gay or feminist science makes sense, that ship intake reading are a better way to measure ocean temperatures than the buoy system, that peer review doesn't involve cronyism, that Hillary Clinton didn't receive special treatment from the FBI, that voting for a candidate because they are a minority or female isn't soft bigotry, that the orange man is the second coming of Hitler, that hands up don't shoot wasn't about the worse propaganda ever devised, that the fake news should is the verified news, that homosexuality is determined by genes but heterosexuality isn't, that Valenzuela was a shining example for humanity until it wasn't, that Russia is a greater threat than China, that capitalism hasn't reduced poverty, that John Oliver and Trevor Noah are funny, that racism is power plus privilege, that people marrying the state wouldn't cause problems, that poor academic performance in the inner city isn't a result of a culture that encourages irresponsibility, that Bill Clinton isn't a sex offender but Trump is, in that world it is easy to see why people may be confused.
        We hunt the hunters

        Comment


        • #5
          Originally posted by wolfhnd View Post
          Complete speculation is how I would describe the original article. I happen to be a fan of speculation so that is not the problem the problem is the bias that goes into picking explanations that suit your political orientation. The opposite hypothesis is amusing.



          https://en.wikipedia.org/wiki/Little...an_populations

          It's just a guess but I lean towards orbital cycles and volcanic eruptions to explain the little ice age.



          https://www.washingtonpost.com/news/...=.1487f328df1a

          Global Warming is not nearly as large a threat to mankind as massive volcanoes cooling the planet. It is estimated that we have at best a 9 month food supply. While it is relatively easy to grow food in a desert you cannot grow anything on ice. Since the geniuses that do our climate studies think food comes from grocery stores it isn't surprising their priorities are out of wack with reality. What the global warming community reflects is the abysmal state of our liberal arts education especially history. If people can be hood winked into believing in a post industrial society why not a post agriculture society. The power of new speak would be funny if it wasn't so dangerous.

          In a world where people think lead from behind makes sense, biological sex is a social construction, that Europe invented war, that Islam is the religion of peace, that police are hunting minorities, that necessary hierarchies of competence is the patriarchy, that the eight inches of birth canal determines whether a infant is a human being or not, that masculinity is toxic, that socialism just hasn't been tried, that co2 is a pollutant, that slitting wood not atoms is environmentally sound logic, that border barriers are immoral, that college campuses are dangerous for females, that study programs at universities are not indoctrination programs, that Hitler was worse than Stalin, that Che Guevara was a hero not a psychopath, that brutalized architecture is genius, that pissing in a jar is art, that punctuated equilibrium validates Marxism, that European welfare states are socialist, that Europeans invented slavery, that racism is worse now than at any point in history but has just been driven underground, that gay or feminist science makes sense, that ship intake reading are a better way to measure ocean temperatures than the buoy system, that peer review doesn't involve cronyism, that Hillary Clinton didn't receive special treatment from the FBI, that voting for a candidate because they are a minority or female isn't soft bigotry, that the orange man is the second coming of Hitler, that hands up don't shoot wasn't about the worse propaganda ever devised, that the fake news should is the verified news, that homosexuality is determined by genes but heterosexuality isn't, that Valenzuela was a shining example for humanity until it wasn't, that Russia is a greater threat than China, that capitalism hasn't reduced poverty, that John Oliver and Trevor Noah are funny, that racism is power plus privilege, that people marrying the state wouldn't cause problems, that poor academic performance in the inner city isn't a result of a culture that encourages irresponsibility, that Bill Clinton isn't a sex offender but Trump is, in that world it is easy to see why people may be confused.
          Just once I wish you would tell us how you really feel!

          Serously, I agree with all of your points without reservation, and then some.
          Quis Custodiet Ipsos Custodes? Who is watching the watchers?

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