Paleo-climatology

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

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Share this…FacebookTwitterThe 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 […]

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German Scientists: IPCC Climate Models “Out Of Control”…”Exclusion Of Critics A Historic Mistake”

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Share this…FacebookTwitterNew IPCC report under doubt: models out-of-control and a new hockey stick By Die kalte Sonne [German text translated/edited by P Gosselin] IPCC authors “politically handpicked” The IPCC climate status report serves as an important reference for climate policy and public discussion. However, very few people are aware that the authors of the report […]

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During The Last Ice Age (190 ppm CO2), Horses Grazed In A Forested, Warmer-Than-Today Arctic Alaska

During The Last Ice Age (190 ppm CO2), Horses Grazed In A Forested, Warmer-Than-Today Arctic Alaska

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Share this…FacebookTwitterIn a new study, scientists report that about  17,000 to 20,000 years ago, when CO2 levels hovered near 190 ppm, “summer temperatures were higher here [North Slope, Alaska] than they are today” (Kuzmina et al., 2019). Image Source: Guthrie and Stoker, 1990 and The New York Times In the modern climate, North Slope, Alaska […]

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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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CO2 Control Knob? A 15-22°C Warmer Arctic With Sea Levels 25 m Higher When CO2 Ranged From 300-400 ppm

CO2 Control Knob? A 15-22°C Warmer Arctic With Sea Levels 25 m Higher When CO2 Ranged From 300-400 ppm

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Share this…FacebookTwitterCO2 concentrations have risen from 310 ppm to 410 ppm since the 1930s. However, there has been no net change in Arctic or Greenland temperatures during these last 90 years. During the Pliocene, CO2 also ranged between about 300-400 ppm, but the Arctic was 15-22°C warmer and sea levels 25 meters higher than today. […]

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Let's Welcome Warming! 2 New Studies Show Species, Biodiversity Harmed More By Cooling Than Warming

Let’s Welcome Warming! 2 New Studies Show Species, Biodiversity Harmed More By Cooling Than Warming

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Share this…FacebookTwitterTwo recent scientific publications underscore how mass extinction events are associated with global cool-offs, glaciation and sea level fall, and NOT warmer climates. Life thrives when the globe gets tropically warm. Photo credit: NASA, public domain There’s been a lot of hype and hysteria surrounding the claims that the recent, modest global warming supposedly […]

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

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

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Share this…FacebookTwitterMore 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 […]

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Settled Science? 7 New Papers Show Regional Temps Were 2-6°C Warmer Than Today During The Last Glacial!

Settled Science? 7 New Papers Show Regional Temps Were 2-6°C Warmer Than Today During The Last Glacial!

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Share this…FacebookTwitterCO2 concentrations ranged between 180 ppm to 220 ppm from about 15 to 60 thousand years ago. Several new temperature reconstructions indicate there were millennial-scale periods with multiple degrees Celsius greater warmth than today (410 ppm CO2) during this glacial period. Image Source: Ganyushkin et al., 2018 Between 45 and 30 thousand years ago, or […]

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Sum-Of-Contributor Evidence Shows Global Sea Levels Have Recently Been Rising

Sum-Of-Contributor Evidence Shows Global Sea Levels Have Recently Been Rising <1 Millimeter Per Year

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Share this…FacebookTwitterIn recent decades, the Earth’s seas have been rising at a rate of under 0.8 mm/year (8 cm per century) according to estimations of the sum of contributions to sea level rise. In contrast, sea levels rose at rates of more than 40 mm/year ~10,000 years ago. Relative sea level rise can be calculated […]

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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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New Temperature Reconstruction Shows Asia's Tianshan Mountains Were 1-2°C Warmer During The 1700s

New Temperature Reconstruction Shows Asia’s Tianshan Mountains Were 1-2°C Warmer During The 1700s

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Share this…FacebookTwitterYet another region of the globe has not warmed (net) for the last 333 years. The authors of a new study (Jiao et al., 2019) point out that temperature changes in the Tianshan mountains are “mainly influenced by the solar activity via the mean minimum temperature within approximately 11-year periods.” Despite some warming since […]

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For Most Of The Last 10,000 Years, Greenland Ice Sheet and Glacier Volume Was Smaller Than Today

For Most Of The Last 10,000 Years, Greenland Ice Sheet and Glacier Volume Was Smaller Than Today

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Share this…FacebookTwitterMost of the ice currently melting on Greenland only formed during the last few hundred years. Image Source: Mikkelson et al., 2018 A new paper (Axford et al., 2019) reveals NW Greenland’s “outlet glaciers were smaller than today from ~9.4 to 0.2 ka BP” (9,400 to 200 years before 1950), and that “most of […]

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Biblical City Ur Used To Sit On The Persian Gulf Coast 6000 Years Ago. Today Its Ruins Sit 200 km Inland.

Biblical City Ur Used To Sit On The Persian Gulf Coast 6000 Years Ago. Today Its Ruins Sit 200 km Inland.

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Share this…FacebookTwitterThe world was much warmer and greener with meters-higher sea levels just a few thousand years ago. Between 9000 to 6000 years ago, when global temperatures were 4-6°C warmer than they are today, the Sahara was a tree- and lake-covered haven teeming with megafauna and human civilizations (Manning and Timpson, 2014). Image Source: LiveScience […]

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Rapidly Fluctuating India Sea Levels Were 4 m Higher Than Today 6000 Years Ago, 1.5 m Higher 500 Years Ago

Rapidly Fluctuating India Sea Levels Were 4 m Higher Than Today 6000 Years Ago, 1.5 m Higher 500 Years Ago

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Share this…FacebookTwitterScientists have found sea levels on India’s eastern coast were still 1-1.5 m higher than today as recently as 500 to 300 years ago and 3-4 m higher than today between 6000 to 4000 years ago. Seas rose and fell by multiple meters (-5 m to +3 m) within 1250 years until as recently […]

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

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

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Share this…FacebookTwitterIn 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. […]

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New Paper: Mammals Thrived and Diversified With ~2000-4000 ppm CO2, 20°C Warmer Oceans Than Today

New Paper: Mammals Thrived and Diversified With ~2000-4000 ppm CO2, 20°C Warmer Oceans Than Today

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Share this…FacebookTwitterMarine species evolved, thrived, and diversified in 35 to 40°C ocean temperatures and CO2 concentrations “5-10x higher than present-day values” (Voosen, 2019 and Henkes et al., 2018). Image Source: Voosen, 2019 I. The insignificance of modern “global warming” Today’s ocean temperatures average about 16°C. CO2 levels hover around 400 parts per million (0.04%). The […]

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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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Consensus? 200+ New 2019 Papers Support A Skeptical Position On Climate Alarmism

Consensus? 200+ New 2019 Papers Support A Skeptical Position On Climate Alarmism

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Share this…FacebookTwitterIn the first 5½ months of 2019, over 200 scientific papers have been published that cast doubt on the position that anthropogenic CO2 emissions function as the climate’s fundamental control knob…or that otherwise serve to question the efficacy of climate models or the related “consensus” positions commonly endorsed by policymakers and ²²²²mainstream media sources. […]

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New Studies: Northeastern China Was 7-10°C Warmer 9000 Years Ago - And 1.7°C Warmer In The 1800s!

New Studies: Northeastern China Was 7-10°C Warmer 9000 Years Ago – And 1.7°C Warmer In The 1800s!

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Share this…FacebookTwitterTwo more new papers add to the voluminous paleoclimate evidence that most of the last 10,000 years were much warmer than modern.  The globe was about 4 to 6°C warmer than it is today between 9000 and 6000 years ago, when CO2 concentrations centered around 265 ppm. Image Source: ScienceDaily.com Some regions exceeded the […]

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