Talk:Milankovitch cycles: Difference between revisions
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** {{cite journal |url= http://www.kgs.ku.edu/Publications/Bulletins/233/Bond2/ |page= 294-317 |title= Evidence for orbital forcing of Middle Cambrian peritidal cycles: Wah Wah range, south-central Utah |author= Gerard C. Bond, Michelle A. Kominz, and John Beavan |year= 1991 |publisher= [[Kansas Geological Survey]] |journal= Kansas Geological Survey Bulletin |issue= 233 |access-date= 29 August 2021 }} |
** {{cite journal |url= http://www.kgs.ku.edu/Publications/Bulletins/233/Bond2/ |page= 294-317 |title= Evidence for orbital forcing of Middle Cambrian peritidal cycles: Wah Wah range, south-central Utah |author= Gerard C. Bond, Michelle A. Kominz, and John Beavan |year= 1991 |publisher= [[Kansas Geological Survey]] |journal= Kansas Geological Survey Bulletin |issue= 233 |access-date= 29 August 2021 }} |
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[[User:IveGoneAway|IveGoneAway]] ([[User talk:IveGoneAway|talk]]) 16:30, 1 September 2021 (UTC) |
[[User:IveGoneAway|IveGoneAway]] ([[User talk:IveGoneAway|talk]]) 16:30, 1 September 2021 (UTC) |
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== Incorrect Title == |
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Why is this page called ‘Malankovitch Cycles’ (plural)? |
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There is only one Milankovitch cycle, which is the insolation value at high latitudes (north and south) over the millennia. The Milankovitch Cycle does indeed use and compute four orbital cycles to derive a solution, but there is only one solution - the Milankovitch Cycle (singular). |
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Mythos. [[User:Mythosmann|Mythosmann]] ([[User talk:Mythosmann|talk]]) 23:05, 16 February 2023 (UTC) |
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Milankovich's theory revisited
I removed this recent addition [1]. It appears to come from https://www.mdpi.com/2077-1312/9/1/13/pdf, Jean-Louis Pinault. It might be a copyvio (though that does say "Copyright: © 2020 by the author. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/ licenses/by/4.0/)" but that journal does not look reliable to me, so I think this is essentially self-pub William M. Connolley (talk) 18:53, 15 January 2021 (UTC)
Similar has been added elsewhere William M. Connolley (talk) 18:54, 15 January 2021 (UTC)
- This has just resurfaced as a separate new article, Milankovich's theory revisited. Could people please have a look at the connected AfD? Leaving aside the technicality of what to with a possible redirect, should this be merged here? --Elmidae (talk · contribs) 14:15, 17 January 2021 (UTC)
- Alright, following a certain amount of technical kerfuffle at Wikipedia:Articles for deletion/Milankovich's theory revisited, the new article has now been moved w/o redirect to Milankovich's theory (once the editor stops recreating it under the old title) to get rid of the obvious POVFORK title. Now let's please talk about what to do with the content.
Proposed merge of Milankovich's theory
As noted, I'm getting the impression that this is a paradigmatic WP:POVFORK - a revisionist or alternate take on a topic, with a lot of targeted special argumentation. We Don't Do That in separate articles. If there is anything worthwhile in there, it should be integrated into the main article. As to whether that's the case, I'm somewhat out of my depth here. I will note that the main publication behind the editor's drift ([2]; authored by themselves) is published by a journal that we have down as "borderline source that often fails higher sourcing requirements". --Elmidae (talk · contribs) 19:33, 17 January 2021 (UTC)
- It does indeed look like a WP:POVFORK with a dose of WP:COI, and MDPI journals are iffy propositions at best. Language like
the greatest mysteries of modern climate science
andavoiding the many opportunistic assumptions intended to lift the veil on the many vagaries of the climate system
is not encyclopedic. XOR'easter (talk) 20:45, 17 January 2021 (UTC)
---
Comment This appears to be a need for a merge of forked content and possible deletion of same. Plus, throw in a correction of the spelling of the article title for good measure. The additions to this and other articles appear to be made by the author of the journal article that he is inserting as references to his changes. Therefore, these changes must be looked at with COI and SPAM implications. The person making these changes appears not to be here to build an encyclopedia, but rather as an attempt to promote and legitimize his work published in a possibly unreliable source that has lax or no editorial oversight, and possible paid-for publishing. I am currently Neutral on a merge of the deleted article's redirect, but leaning Oppose. GenQuest "scribble" 22:45, 17 January 2021 (UTC)
References
Comment I modified some details of the article “Milankovitch theory” to make it easier to read. I think this version is pretty much mature, being intended to merge with the “Milankovitch cycles”. I have not allowed myself to do so until now because I wanted the consent of the scientific community. Indeed, the merger of the two articles supposes some alterations of the host page, which I refused to do. This article does not question what is said in “Milankovitch cycles”, quite the contrary. It is intended to complete the Milankovitch theory to propose a straightforward explanation to the numerous pending issues raised by the theory of orbital forcing. Personally, I would like the discussion to focus on the substance of the article as well as the papers cited in the references rather than the form. Wikipedia indeed offers a great opportunity to confront the different points of view in a constructive way. — Preceding unsigned comment added by Jean-Louis Pinault (talk • contribs) 10:03, 19 January 2021 (UTC)
- Support TNT of content and either redirect or preferable delete of title. I can't see much salveable in the text. FemkeMilene (talk) 21:50, 17 February 2021 (UTC)
April 2021 - Mass "Citation Needed"
Any statement without a source immediately following it has been slapped with a "citation needed" flag, which in some cases seems like utter overkill and unnecessary. In other cases such a flag definitely seems fitting, while in other still different flags like the relevance of a statement might be useful.
For instance: "Axial precession is the trend in the direction of the Earth's axis of rotation relative to the fixed stars, with a period of 25,771.5 years. This motion means that eventually Polaris will no longer be the north pole star." - This has been hit with a citation needed template, but it really does seem unnecessary per WP:BLUE (or I suppose more specifically, WP:CSIOR) - The stars can and often are presumed to be fixed in location (relative to our solar system) and clearly are in this article (i.e. they are being treated as a fixed reference point to explain axial precession). If the earth's axis is wobbling around, then obviously something once 'above it' would no longer be exactly above it. 176.251.175.52 (talk) 13:26, 16 July 2021 (UTC)
- In May 2021, I had the opportunity to remove some of these, but ran out of "free" time. I hope to continue to remove these in the remainder of this year. At least a few of these tag fairly intuitive statements; nevertheless, it is fairly easy to come up with citations, given available time. Hopefully my clarification today of the linkage in the section you mentioned will stand. IveGoneAway (talk) 17:30, 29 August 2021 (UTC)
Citations for expansion
Consequences of Milankovitch cycles are not restricted to variations in glaciation. Glaciation is present in only a fraction of Earth's geological history, yet the 7th order insolation variations that these Milankovitch cycles occur continuously throughout the Earth's existence regardless of the climate changes dominated by the higher order causes.
- Brad Sageman, J. Rich, G. E. Birchfield, Michael A. Arthur (March 1997). "Evidence for Milankovitch Periodicities in Cenomanian-Turonian Lithologic and Geochemical Cycles, Western Interior U.S.A." Journal of Sedimentary Research. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)
- R. K. Goldhammer, E. J. Oswald, and P. A. Dunn (1989). "The hierarchy of stratigraphic forcing--an example from Middle Pennsylvanian (Desmoinesian) shelf carbonates of the southwestern Paradox basin, Honaker Trail, Utah". Kansas Geological Survey, Subsurface Geology (12). Kansas Geological Survey: 27-30. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)
- Evan K. Franseen, W. Lynn Watney, Christopher G. St. Kendall, and William Ross (1991). "Sedimentary Modeling: Computer simulations and methods for improved parameter definition". Kansas Geological Survey Bulletin (233). Kansas Geological Survey. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)- Maurizio Ripepe and Alfred G. Fischer (1991). "Stratigraphic rhythms synthesized from orbital variations". Kansas Geological Survey Bulletin (233). Kansas Geological Survey: 335-344. Retrieved 29 August 2021.
- Robert V. Demicco, Ronald J. Spencer, Brent B. Waters, and Kelly C. Cloyd (1991). "Two-dimensional computer models of a Cambrian carbonate shelf deposit". Kansas Geological Survey Bulletin (233). Kansas Geological Survey: 463-472. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link) - R. R. West, K. B. Miller, and W. L. Watney (2010). "The Permian System in Kansas". Kansas Geological Survey Bulletin (257). Kansas Geological Survey: Inferred History of the Permian Period - Cycles and Cycle Hierarchies. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link) - Gerard C. Bond, Michelle A. Kominz, and John Beavan (1991). "Evidence for orbital forcing of Middle Cambrian peritidal cycles: Wah Wah range, south-central Utah". Kansas Geological Survey Bulletin (233). Kansas Geological Survey: 294-317. Retrieved 29 August 2021.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)
IveGoneAway (talk) 16:30, 1 September 2021 (UTC)
Incorrect Title
Why is this page called ‘Malankovitch Cycles’ (plural)?
There is only one Milankovitch cycle, which is the insolation value at high latitudes (north and south) over the millennia. The Milankovitch Cycle does indeed use and compute four orbital cycles to derive a solution, but there is only one solution - the Milankovitch Cycle (singular).
Mythos. Mythosmann (talk) 23:05, 16 February 2023 (UTC) .