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angech says:
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January 25, 2018 at 2:05 am

“James Hansen, Makiko Sato, Reto Ruedy, Gavin A. Schmidt, Ken Lo, Avi Persin
Abstract. Global surface temperature in 2017 was the second highest in the period of instrumental measurements in the Goddard Institute for Space Studies (GISS) analysis. Relative to average temperature for 1880-1920, which we take as an appropriate estimate of “pre-industrial” temperature, 2017 was +1.17°C (~2.1°F) warmer than in the 1880-1920 base period. The high 2017 temperature, unlike the record 2016 temperature, was obtained without any boost from tropical El Niño warming.
Prospects for continued global temperature change are more interesting and important. The record 2016 temperature was abetted by the effects of both a strong El Niño and maximum warming from the solar irradiance cycle (Fig. 4). Because of the ocean thermal inertia and decadal irradiance change, the peak warming and cooling effects of solar maximum and minimum are delayed about two years after irradiance extrema. The amplitude of the solar irradiance variation is smaller than the planetary energy imbalance, which has grown to about +0.75 ± 0.25 W/m2 over the past several decades due to increasing atmospheric greenhouse gases.5,6 However, the solar variability is not negligible in comparison with the energy imbalance that drives global temperature change. Therefore, because of the combination of the strong 2016 El Niño and the phase of the solar cycle, it is plausible, if not likely, that the next 10 years of global temperature change will leave an impression of a ‘global warming hiatus’.”

Or an impression of a lower TCS and ECS, no doubt.
How does one tell the difference between an impression of a hiatus and a hiatus when one is in the middle of an impression?

BEAUTY

Let me assure you I usually mean what I say and know what I do.” the bright girl said, not knowing the meaning of what she said when she did. [NNT]

Beauty is sometimes described as being in the eye of the beholder and also as only being skin deep. Hence it has no actual link or need for truth. It would be nice for a theory to be pleasing, to be beautiful but there is no valid reason for this to be so. Our concepts of beauty are both personal and cultural and may rely on conciseness and symmetry and evenness [flawless] but most of us know there is more beauty in a handmade, flawed piece of pottery done by someone we love than in a Venus de Milo or Winged Victory of Samothrace, though admittedly they are beautiful to me.
So science and scientific theory do not have to be beautiful, they just have to work, concise or complex, no need to care, just to appreciate.

On the theory of the discs in general, appropriating it to theory suggesting that turbulence could act to promote, rather than inhibit, this planet formation process.
If appropriate for discs in other contexts it does not imply that it must work in all disc settings or subsets but it is still of interest as to why when a lot of the basic physics is very similar.
Gets back to the gravity interactions of that mass of stellar dust thrown together in that cluster. Larger or smaller sizes presumably of different density and thermal activity materials [stars and planets] might behave differently in accumulating mass.

wicked

angech says:

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“how to frame anthropogenically-driven climate change.
In particular, should it be framed as a wicked problem? A number of people involved in the discussion had a problem with this framing. One very simple reason was that if you consider the standard definition of a wicked problem it is a problem that is difficult or impossible to solve because of incomplete, contradictory, and changing requirements that are often difficult to recognize.”
“”Those defending the wicked framing suggested that it applied only to the socio-political aspects of the problem, not to our scientific understanding (which is pretty clear).”

Joshua “wicked problems” are very, very complicated problems. The definition used here. Another meaning of wicked is evil not that that seems to be important here.

ATTP you start of addressing one wicked problem, anthropogenically-driven climate change and then move to another, how to solve it.
The wickedness of the first, scientific certainty is totally different to the psycho social problems found in trying to develop strategies to combat it, “Wicked problems are not well bounded, are framed differently by various groups and individuals, harbor large scientific to existential uncertainties and have unclear solutions and pathways to those solutions”

Either on their own is a wicked problem [very,very complicated]. Not to mention the first as a problem for the second. DM “some that argue the science is insufficiently well understood as a method of avoiding addressing the socio-political issues”.
So they could be addressed seperately to reduce one level of confusion.

Roger Jones said with possibly a touch too much confidence
“Wicked problems are solvable, but need to be addressed with a set of methods and techniques that you otherwise might not use.”
Sometimes a simple method works eg cutting the Gordian knot.
Sometimes someone comes up with a new approach, Gallileo, Einstein etc.
Other than brute force at the cutting edge or genius and luck at the other, wicked problems are that precisely because they are unsolvable or result in unsatisfactory solutions.

Call them complex if it bothers you, but Willard would say that substituting one word for another might make you sleep better but does not take away the angst as the meaning might be hidden but resides. Resident Complexity I think was the movie series.