Talk:Medieval Warm Period

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Greenland[edit]

This graf show the Medieval Warm Period.

600 - 1900

Winemaking[edit]

We seem to have lost the old arguments that winemaking in medieval times proved the MWP, but a useful source covers the 2017 situation:

  • "Raise a Glass of Scottish Wine to Global Climate Changes". Bloomberg.com. 26 March 2014. Retrieved 20 May 2017. Climate change, which scientists say is caused by heat-trapping gas accumulating in the atmosphere, is transforming dinner tables and scrambling traditions in the $270 billion global wine industry. In Europe, warmer seasons are chasing Italian and Spanish vintners up hillsides, making a winner of Germany, encouraging growers in Poland and spreading the cultivation of wine grapes to latitudes friendlier to belly-warming whiskies and ales. And it’s raising the alcohol content, and altering the flavors, of famous wines in France. 

Maybe worth citing. . . dave souza, talk 18:41, 20 May 2017 (UTC)

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Improvements[edit]

I remember this article as being pretty good, i came back to it as part of a project and i find that it has been blasted into a mishmash of quotes such as 'evidence does not support globally synchronous periods...' seriously? including these quotes does not help, they need to be paraphased in simpler terms; intermingled with an attempt to expand the article to cover a worldwide view with no real research to support any such attempt. It is fairly obvious that this is a mostly European weather event (its in the IPCC reports), but it has been half-dragged into some climate/global warming debate, to the detriment of article quality. also the graph used in no way illustrates the topic, it merely serves to show how hot we are now globally with confusing lines that make it hard to see whats going on, compare this to the chart that has been left on the talk page, more specific to greenland (which is also not really illustrative). note how greenland was much hotter during this climate/long-term weather event, whereas global warming has not affected greenland as much (because global warming is a pervasive global event rather than a localised pattern. there is no doubt that greenland was hotter, but the world was colder). a more suitable graph would be for a longer time period, with smoothing adjustments, covering European average yearly temperature.
this is separate to the issue of whether 'climate change' is real or not, this article is supposed to be neutral. i wont go into the details of the debate but basically this article can show the data without being biased, but is not currently succeeding. i propose to remove and disallow all references and mentions of climate change or events after 1900 from this article completely. instead write the article based on comparison to prior events, and perhaps a bit on the affects it had on winemaking/northern trade/culture/greenland could be added.
A Guy into Books (talk) 22:14, 13 August 2017 (UTC)

There's a couple largely unreferenced broad claims in here that should be refined and sourced. At the beginning, "Modern knowledge of the Medieval Warm Period is uncertain, especially for the period prior to c. 1600 for which there is limited climate data." No source, in addition to the claim just not being intuitive scientifically (why wouldn't we have data in that gap). Similar issue in the next sentence, "It is thought that between c. 950 and c. 1100 was the Northern Hemisphere's warmest period since the Roman Warm Period." Needs some follow up and citation there.

Secondly, the discussion is a bit biased towards discussion of North America and leaves the other continents largely bare of info. There may be a weighted distribution of research on this period in other places, but nonetheless this section can be expanded.

Nrchristman (talk) 00:43, 30 September 2017 (UTC)

Well basically this was written by Americans, most the research is American, and the research on this topic is so insanely contradictory (even from the same reports) that writing anything is difficult. There is not as much climate data for pre 1600, because it is harder to find trees, ice etc to extract the data from that have remained untouched from that period. It is generally known that this event did not effect most of the world, only Europe and North America. The lack of references is because this contentious topic is often hijacked by climate change deniers and global warming doom activists alternately. each claiming each others work is fringe BS. Dysklyver 14:54, 30 September 2017 (UTC)