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By Kenneth Richard on 6. February 2023
Share this… Facebook TwitterClaims the Swedish Scandes are unprecedentedly warm and tree-covered today “appear as large and unfounded exaggerations,” as the “climate and arboreal responses” of the last few decades “are still inside the frames of natural historical variation.” – Kullman, 2022 and Kullman, 2022a Extensive birch forest fossils can be dated to the early- […]
Posted in Medieval Warm Period, Natural Variability, Paleo-climatology |
By Kenneth Richard on 26. January 2023
Share this… Facebook TwitterIndependent analyses from multiple independent sources indicate Arctic Siberia was 3 to 5°C warmer than today during the peak of the last glacial, or when CO2 levels were below 200 ppm. Measurements from Antarctica’s ice sheet are almost invariably used to characterize both the global-scale atmospheric CO2 levels and climate for the […]
Posted in Antarctic, Arctic, Paleo-climatology |
By Kenneth Richard on 23. January 2023
Share this… Facebook TwitterRobust evidence from bison remains recovered from the Austrian Alps in 2020 and 2021 invalidate claims modern Alpine temperatures are unusually warm. A new study suggests that from about 6000 to 1200 years ago European bison fed on deciduous tree/vegetation that grew at Alpine altitudes reaching around 800 m higher than they do […]
Posted in Paleo-climatology |
By Kenneth Richard on 12. January 2023
Share this… Facebook TwitterIt is claimed that an additional 60-75 W/m² of absorbed solar radiation can only produce a climate warming of 4-5°C. Doubling CO2 since pre-industrial times (280 to 560 ppm) is said to result in an additional 3.7 W/m² increase in radiative forcing. However, it is inconsistently claimed this ~20 times smaller value […]
Posted in Climate Sensitivity, CO2 and GHG, Paleo-climatology |
By Kenneth Richard on 2. January 2023
Share this… Facebook TwitterThe modern notion that human CO2 emissions are equivalent to a “deadly poison” may one day be viewed as “the greatest mass delusion in the history of the world.” In a new paper published in the Journal of Sustainable Development, Manheimer (2022) summarizes some of the evidence for the lack of correlation […]
Posted in CO2 and GHG, Paleo-climatology, Scepticism |
By Kenneth Richard on 29. December 2022
Share this… Facebook Twitter“Compared to the present climate, the Arctic climate in MH [Mid-Holocene] summer became warmer and had less sea ice” (Dong et al., 2022). While the modern Arctic “remains largely covered by sea ice in June and July,” the higher summer sea surface temperatures (SSTs) from about 3,000 to 7,000 years ago meant […]
Posted in Arctic, Paleo-climatology, Sea Ice |
By Kenneth Richard on 12. December 2022
Share this… Facebook TwitterTrees, plants, and animal dwellers tell a much different story about the climate of the last 11,000 years than those claiming the modern Arctic temperatures are unusually warm. A “warmer than present” Arctic climate from 9,000 to 3,500 years ago (Brown et al., 2022) was suitably warm enough to sustain aquatic species […]
Posted in Arctic, Paleo-climatology |
By Kenneth Richard on 17. November 2022
Share this… Facebook TwitterSea temperatures in regions near Australia have failed to cooperate with a CO2-driven climate narrative. Glacial conditions and ~200 ppm CO2 levels were thought to have prevailed throughout most of the last 60,000 years across the Earth. But a new study finds sea temperatures near Australia were “3 to 5°C warmer than […]
Posted in Paleo-climatology |
By Kenneth Richard on 14. November 2022
Share this… Facebook TwitterTwo new studies indicate there has been no modern warming in the last centuries in western (Urals) and eastern (Kolyma) Russian mountain ranges. A new 27,000-year temperature reconstruction assesses it was ~2.5 to 4.8°C warmer than today from 8.9-5.2 ka BP in the Ural Mountains, or when CO2 is said to have […]
Posted in Cooling/Temperature, Paleo-climatology, Russian Climate Science |
By P Gosselin on 8. November 2022
Share this… Facebook TwitterChanging Holocene climate…was never steady Researchers say the 5300 year old Ötzi corpse didn’t remain covered by ice 5300 years long, but in fact was exposed again and again! Figure 1. Orthophoto of the findspot in the Tisenjoch (1) and other locations mentioned in the text (2: Kesselwandferner, 3: Weißseespitze, 4: Hintereisferner, […]
Posted in Glaciers, Paleo-climatology |
By Kenneth Richard on 31. October 2022
Share this… Facebook TwitterSites in Canada and Africa were warmer than today throughout nearly the entirety of the Holocene. Canada Per a new study, eastern Canada mean summer temperatures are 13.6°C and July temperatures average 15°C today. For nearly all of the Holocene the region was 1-1.5°C warmer (16.5°C, July) than it is now. In […]
Posted in Cooling/Temperature, Paleo-climatology |
By Kenneth Richard on 24. October 2022
Share this… Facebook TwitterThe Earth was still in ice age conditions 14,700 to 12,900 years ago, or during the “Bolling interstadial.” CO2 hovered near 230 ppm at that time, and yet “continental Europe was a few degrees warmer than present” (Toth et al., 2022). In recent years there have been multiple studies detailing a European […]
Posted in Paleo-climatology |
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