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Thread: Indirect Effects of the Sun on Earth's Climate[W:376]

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    McCrann et al., 2018

    The effect of the Sun’s activity on Earth’s climate has been identified since the 1800s. However, there are still many unknowns regarding the mechanisms connecting the Earth’s climate to the variation in solar irradiance. Climate modelling that implements the solar sciences is a novel approach that accounts for the considerable effect that natural factors have on the climate, especially at regional level. This paper discusses the noticeable effect that planet oscillations have on the Sun’s activity, which gives a very good correlation with the observed patterns in global surface temperatures, rainfall records and sea levels. In agreement with many studies that have identified a 60-year cycle in the variation of Earth’s temperature, it is expected that surface temperatures will reach a trough of the cycle around 2030-2040.”

    “Furthermore, considering the influence of the Solar Inertial Motion, a solar slowdown is predicted for Solar Cycles 24 and 25, which will create a weak grand minimum. It is anticipated that this weak grand minimum will be reflected in a dampening effect of global temperatures, and a subsequent moderation in the rate of sea level rise.”

    “Current predictions on Solar activity show that we are in a low sunspot cycle, which is similar to that of the 1900 Minimum, and subsequent cycles are predicted to have even lower Solar activity, and therefore a drop in global temperatures is expected [27]–[29].”

    “[M]any studies have reported that lower than average European temperatures were recorded during periods of low solar activity [3]–[7]. Such periods of low solar activity are the Maunder minimum (1645-1715), Dalton minimum (1800-1820), 1900 minimum (1880-1900), and a slight decrease between 1940 and 1970.”

    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Seifert and Lemke, 2018

    “Global temperature evolution did not proceed directly along the nominal 30th sine half-wave line, because the fifth climate driving mechanisms, the 62-year SPO cycle, modifies the evolution line with consistent warm peaks. In the previous paper, Holocene part 7, we proved the consistency of this SPO cycle by demonstrating previous 62-year temperature peaks on a multi-millennial scale. This exact timing of warm peaks cannot be of tropospheric origin, because, using a Stocker quote: “The internal atmosphere-ocean climate system is unable to produce a forcing with a well-defined periodicity” (Stocker and Mysak, 1992). For this reason, this climate forcing is caused by solar – planetary oscillations (Scafetta, 2013). For a 60+ year cycle of external forcing, the SPO cycle is the best candidate. We add the abstract conclusion made in the latest AMO study of (Murphy, 2017): “We conclude that there is an essential role for external forcing in driving the observed AMO”.

    Only the PaKern Recognition analysis is capable to explain each single temperature peak of the Holocene. The under-performance of other models and simulations can easily be explained. Fundamental causes are: 1. Their omission of decadal and centennial cosmic Earth orbital variations, and 2. The omission of solar motion variations. Instead, models and simulations exclusively center on internal atmosphere-ocean system variables, combined to some extremely long Milankovitch features, 20 – 40 kyr in length, with which centennial and single millennium features cannot be explained. Therefore, under-performance must be the logical result (Scafetta, 2013).”

    “We emphasize again, that the present fourth flat temperature plateau, since 2004 AD, will continue until 2046 AD, the end of the recent 62-year SPO cycle.”

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Fleming, 2018

    The cause of the Medieval Warm Period and the Little Ice Age climate changes was the solar magnetic field and cosmic ray connection. When the solar magnetic field is strong, it acts as a barrier to cosmic rays entering the Earth’s atmosphere, clouds decrease and the Earth warms. Conversely when the solar magnetic field is weak, there is no barrier to cosmic rays—they greatly increase large areas of low-level clouds, increasing the Earth’s albedo and the planet cools. The factors that affect these climate changes were reviewed in ‘Solar magnetic field/cosmic ray factors affecting climate change’ section.”

    “The current Modern Warming will continue until the solar magnetic field decreases in strength. If one adds the 350-year cycle from the McCracken result to the center of the Maunder Minimum which was centered in 1680, one would have a Grand Minimum centered in the year 2030.”

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Oh sheesh, now Jack is going to do a 'slow reveal' of copying and pasting the NoTrickZone conspiracy/pseudoscience blog list one paper at a time with no commentary of his own to even show he has a clue what they are about.

    *snooze* - someone wake me when he's finished.
    "The inexperienced, the crackpots, and people like that, make guesses that are simple, but you can immediately see that they are wrong" -Richard Feynman
    “A stupid man's report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand.” Bertrand Russell

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Some embrace the data; others run from them.
    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    PDF]The Effect of the Solar Cycle on Secondary Cosmic Ray Intensity and ...

    https://www.birmingham.ac.uk/Documen...dney-Smith.pdf





    Analysing the Influence of GCR Intensity on Terrestrial Climate Page 14 ... A hypothesis was made that the Sun's magnetic field deflected weaker cosmic rays, ..... This creates a path for an electric current toflow through and interact with.
    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Solar Minimum is Coming | Science Mission Directorate

    https://science.nasa.gov/science-new...imum-is-coming





    Jun 27, 2017 - Solar Minimum is Coming. High up in the clear blue noontime sky, the sun appears to be much the same day-in, day-out, year after year.
    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Step away from the dead horse.
    Never eat anything that's served in a bucket.

    "We look to Scotland for all our ideas of civilisation." ..François-Marie Arouet. French philosopher. 1694 - 1778.

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    Quote Originally Posted by Manc Skipper View Post
    Step away from the dead horse.
    2016>2017>2018> . . .
    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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    Re: Indirect Effects of the Sun on Earth's Climate[W:376]

    "It's always reassuring to find you've made the right enemies." -- William J. Donovan

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