Medieval Warm Period

What Global Warming? 148 New (2020) Scientific Papers Affirm Recent Non-Warming, A Degrees-Warmer Past

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Share this…FacebookTwitterScientists continued defying the “unprecedented” global warming narrative by publishing nearly 150 papers  in 2020 that show large regions of the Earth (a) haven’t warmed in recent decades, (b) were as-warm or warmer within the last several centuries, and/or (c) were 1-7°C warmer than today just a few millennia ago. Here is the link […]

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New Study Effectively Eliminates Confidence In Human Attribution For Modern Global Warming

New Study Effectively Eliminates Confidence In Human Attribution For Modern Global Warming

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Share this…FacebookTwitterThe forcing uncertainties and lack of observational measurements in the top-to-bottom global ocean preclude an assessment that modern warmth is due to anthropogenic activities. Key points from a new paper (Gebbie, 2021): • 93% of the changes to the Earth’s energy budget, manifested as warming of the Earth system, are expressed in the global […]

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New Study: East Antarctica Was Up To 6°C Warmer Than Today During The Medieval Warm Period

New Study: East Antarctica Was Up To 6°C Warmer Than Today During The Medieval Warm Period

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Share this…FacebookTwitterAs recently as 2000 to 1000 years ago, spanning the Roman to Medieval Warm Periods, East Antarctica was 5-6°C warmer than it is today. The consequent ice melt resulted in >60 meters higher water levels in East Antarctica’s lakes. East Antarctica has been rapidly cooling in recent decades, with magnitudes reaching -0.7°C to -2.0°C […]

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Unheralded Global Ocean 2000-Year Temperature Reconstruction Reveals Embarrassingly Small Modern Changes

Unheralded Global Ocean 2000-Year Temperature Reconstruction Reveals Embarrassingly Small Modern Changes

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Share this…FacebookTwitterIt didn’t receive much a attention in 2015, but a comprehensive Nature journal study of 0-2000 A.D. global sea surface temperatures shows 1) climate changes occurred more than twice as fast during the Little Ice Age (LIA) than since 1800, 2) the entire first millennium was >1 standard deviation (s.d. unit) warmer than today, […]

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New Northern Hemisphere Temperature Reconstructions Are Devoid Of Michael Mann-Like Hockey Sticks

New Northern Hemisphere Temperature Reconstructions Are Devoid Of Michael Mann-Like Hockey Sticks

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Share this…FacebookTwitterNew paleoclimate records from Europe, Scandinavia-Russia, China, and the northeastern USA indicate there has been no unusual modern warming. Instead, these newly published reconstructions show warmer periods and more rapid centennial-scale warming events occurred in past centuries, or when CO2 concentrations were much lower than they are now. United States In the late 1990s […]

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New Studies: Europe Is No Warmer Today Than It Was During Medieval Times

New Studies: Europe Is No Warmer Today Than It Was During Medieval Times

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Share this…FacebookTwitterTwo new papers use tree ring proxy evidence to suggest modern European temperatures are neither unusual nor higher than they were during the Medieval Warm Period. Image Source: Esper et al. (2020) Esper et al. (2020) have produced a new temperature reconstruction for Southern Europe to complement past reconstructions for Northern and Central Europe. […]

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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

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Share this…FacebookTwitterGreta 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, […]

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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

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Share this…FacebookTwitterIn 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 […]

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New Study Shows Southeast Asia Climatic Variability Over Past Two Millennia, Likely Solar Driven - Deflate CO2 As Main Driver

New Study Shows Southeast Asia Climatic Variability Over Past Two Millennia, Likely Solar Driven – Deflate CO2 As Main Driver

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Share this…FacebookTwitterAmazing: A proxy study of Laos finds natural variability in hydrometeorology, a little Ice Age, and other substantial climate changes in the pre-greenhouse gas era. Who would have thought! (sarcasm) Hat-tip: NTZ reader Mary Brown. University of California Irvine researcher Jessica Wang and her team of researchers find plenty of natural climate variability in […]

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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

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Share this…FacebookTwitterClaims 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. […]

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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

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Share this…FacebookTwitterThe 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 […]

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Dry Hot North German Summers Were More Common 1000 Years Ago, Scientists Report

Dry Hot North German Summers Were More Common 1000 Years Ago, Scientists Report

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Share this…FacebookTwitterDry Summers Like 2018 Were Common in the Middle Ages Dry summers were not rare 1000 years ago. Researchers from the University of Greifswald’s research group ‘Landscape Ecology and Ecosystem Dynamics’ have been able to reconstruct 1000 years of the dry summer period in northern Germany. Beech forest – photo: Dr. Tobias Scharnweber The […]

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