Paleo-climatology

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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New Paper: Arctic Sea Ice Was Far Less Extensive Than Today During The 'Ice Free' Early Holocene

New Paper: Arctic Sea Ice Was Far Less Extensive Than Today During The ‘Ice Free’ Early Holocene

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Share this…FacebookTwitterBiomarker evidence for Arctic-region sea ice coverage in the northern Barents Sea indicates the most extensive sea ice conditions of the last 9,500 years occurred during the 20th century (0 cal yr BP). In contrast, this region was ice free with open water conditions during the Early Holocene (9,500-5,800 years ago). Berben et al., […]

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Recent Studies Indicate Species Extinctions Decline With Warming - Mass Extinction Events Due To COOLING

Recent Studies Indicate Species Extinctions Decline With Warming – Mass Extinction Events Due To COOLING

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Share this…FacebookTwitterDuring the last few hundred years, species extinctions primarily occurred due to habitat loss and predator introduction on islands.  Extinctions have not been linked to a warming climate or higher CO2 levels.  In fact, since the 1870s, species extinction rates have been plummeting. Image Sources: Loehle & Eschenbach (2012), BBC, Wrightstone, 2019 In the […]

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New Study: The Tropical Atlantic Was 7.5°C Warmer Than Now While CO2 Was 220 ppm

New Study: The Tropical Atlantic Was 7.5°C Warmer Than Now While CO2 Was 220 ppm

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Share this…FacebookTwitterAnother new paper published in Paleoceanography and Paleoclimatology casts further doubt on the paradigm that says CO2 has historically been a temperature driver. Evidence from the tropical Atlantic indicates today’s regional temperatures (15.5°C) are 7.5°C colder than a peak temperatures (23°C) between 15,000 to 10,000 years ago, when CO2 hovered around 220 ppm. Image Source: Reißig et […]

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A New Temperature Reconstruction From Central Asia Shows 432 Years Of No Warming, Recent Cooling

A New Temperature Reconstruction From Central Asia Shows 432 Years Of No Warming, Recent Cooling

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Share this…FacebookTwitterTree-ring evidence reveals recent cooling and glacier thickening in Central Asia as well as flat temperatures throughout the last 432 years. Tree rings were the proxy used by Dr. Michael Mann to invent the orignal hockey stick graph. Twenty years later, yet another reconstruction (1580 to 2012 AD) indicates modern warmth in Central Asia […]

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New Study: A California Lake Had 4-5°C Warmer Periods While CO2 Was 200 ppm...During The Last GLACIAL

New Study: A California Lake Had 4-5°C Warmer Periods While CO2 Was 200 ppm…During The Last GLACIAL

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Share this…FacebookTwitterAnother new paper published in Earth and Planetary Science Letters casts further doubt on the paradigm that says CO2 has historically been a temperature driver. Evidence from southern California’s Lake Elsinore indicates today’s regional temperatures (18°C) are 4-5°C colder than a millennial-scale period between 29,000 to 26,000 years ago (29 to 26 ka), or […]

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