medieval warm period

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A 1000-Year-Old Forest Buried Under Alaska's Mendenhall Glacier Uncovers A Warm Medieval Period

A 1000-Year-Old Forest Buried Under Alaska’s Mendenhall Glacier Uncovers A Warm Medieval Period

In recent decades, North American glaciers have advanced by many kilometers and buried forests in ice in the same regions where glaciers have receded and uncovered Medieval-era forests. Image Source: Davi et al., 2019 Ancient forests buried beneath ice for the last ~1,000 years began “popping out from under southern Alaska’s Mendenhall Glacier” and garnishing […]

Melting Canadian Snows Uncover Medieval And Roman Warm Periods

Melting Canadian Snows Uncover Medieval And Roman Warm Periods

Melting mountain snow in the Canadian Mackenzie Mountains has uncovered ancient weapons used by early hunters. In the Canadian Mackenzie Mountains scientists have found weapons up to 2400 years old, reports Tom Andrews of the Prince of Wales Northern Heritage Centre in Yellowknife and his colleagues in a press release from the Arctic Institute of […]

Another New Study Finds The Canadian Arctic Was About 1-2°C Warmer During Medieval Times

Another New Study Finds The Canadian Arctic Was About 1-2°C Warmer During Medieval Times

Four reconstructions from the central and western High Arctic reveal July temperatures were about 1-2°C warmer than today during most of the 1st millennium and Medieval period (Tamo and Gajewski, 2019). A few years ago, a chironomid reconstruction of Boothia Peninsula in the Canadian Arctic (Fortin and Gajewski, 2016) revealed not only were today’s temperatures […]

This Year's Dry Europe Summer Nothing New, Happened More Often During Prosperous Medieval Period

This Year’s Dry Europe Summer Nothing New, Happened More Often During Prosperous Medieval Period

The two recent dry summers seen in Europe have led to alarmists believing that the climate doomsday has arrived. But The European Institute for Climate and Energy (EIKE) looks at the past to see if this sort of thing is really unusual. ======================= German forests growing much faster today than 1000 years ago. Photo: NTZ ================= […]

U Of Reading's Stripe Chart Is Propaganda ... But 2000-Year Chart Make Today's Warming Look Tame

U Of Reading’s Stripe Chart Is Propaganda … But 2000-Year Chart Make Today’s Warming Look Tame

Recently many readers may have noticed how alarmists and activists have been using the so-called stripe chart (see following chart) to illustrate the warming the planet has recently experienced. The popular stripe chart was created by “lead scientist” Ed Hawkins of the National Centre for Atmospheric Science, University of Reading, NCAS, UoR. Source here. Pretty […]

Protesting Warmth? Greta's Home, Sweden, Is 3°C COLDER Today Than Nearly All Of The Last 9000 Years

Protesting Warmth? Greta’s Home, Sweden, Is 3°C COLDER Today Than Nearly All Of The Last 9000 Years

Greta Thunberg lives in Sweden. According to peer-reviewed science, Sweden was at least 3°C warmer than it is today about 6000 to 9000 years ago, when CO2 concentrations lingered around 265 ppm. At 410 ppm CO2, 21st century Sweden is colder now than almost any time in the last 9000 years. Image Source: Grudd, 2008 […]

Medieval Warmth Was GLOBAL...Confirmed By Over 1200 Publications At Google Maps

Medieval Warmth Was GLOBAL…Confirmed By Over 1200 Publications At Google Maps

More than 1200 publications show the Medieval Warm Period (MWP) was global – an embarrassment to global warming alarmists who claimed it was regional Global warming alarmist scientists like claiming that the well documented Medieval Warm Period (MWP) was mostly a regional, North Atlantic phenomenon, and was not global, and so we just move along […]

12 New Papers Provide Robust Evidence The Earth Was Warmer During Medieval Times

12 New Papers Provide Robust Evidence The Earth Was Warmer During Medieval Times

Claims that modern temperatures are globally warmer than they were during Medieval times (~800 to 1250 A.D.) have been contradicted by a flurry of new (2019) scientific papers. Southern Ocean/SE Pacific (SSTs) The Medieval Warm Period (1100 years BP) was 1.5°C warmer than today (14°C vs. 12.5°C) in the SE Pacific or Southern Ocean. Collins […]

1970s: Earth Warmed 0.6°C From 1880-1940 And Cooled -0.3°C From 1940-1970. Now It's 0.1°C And -0.05°C.

1970s: Earth Warmed 0.6°C From 1880-1940 And Cooled -0.3°C From 1940-1970. Now It’s 0.1°C And -0.05°C.

Image Source: National Academy of Sciences,  Understanding Climatic Change About 45 years ago, the “consensus” in climate science (as summarized by Williamson, 1975) was quite different than today’s version. 1. The Medieval Warm Period was about 1°C warmer than present overall while the “largely ice-free” Arctic was 4°C warmer, allowing the Vikings to navigate through […]

Medieval Climate Anomaly Now Confirmed In Southern Hemisphere On All Four Continents

Medieval Climate Anomaly Now Confirmed In Southern Hemisphere On All Four Continents

In Medieval times, the penguins had it nice and warm By Die kalte Sonne (German text translated in the English by P Gosselin) Image Source: Lüning et al. 2019 For a long time it has been said that the Medieval Warm Period was a purely North Atlantic phenomenon. This has proved to be wrong. On […]

Coral Mortality Rates Higher During Cold Periods - And There's Been Recent Cooling In Coral Environments

Coral Mortality Rates Higher During Cold Periods – And There’s Been Recent Cooling In Coral Environments

In the coral habitats of the Western Indian Ocean, SSTs have cooled by -0.8°C since the 1980s (Watanabe et al., 2019). It has long been established that exposure to extremely low temperatures induce coral bleaching and high mortality rates just as much as warm SSTs do. Further, colder periods – which are associated with falling […]

New Study Shows Medieval Climate Period Was Global, Driven By Natural "Atmospheric-Ocean Cycles", Not CO2

New Study Shows Medieval Climate Period Was Global, Driven By Natural “Atmospheric-Ocean Cycles”, Not CO2

The Medieval Warm Period in Oceania By Die kalte Sonne For a long time it was said that the Medieval Warm Period was a North Atlantic phenomenon. This proved to be wrong. On June 15, 2019, a paper by Lüning et al. 2019 on the Medieval Warm Period in Oceania appeared in the journal Environmental […]

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