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By Kenneth Richard on 24. September 2020
Share this…FacebookTwitterA new 1735-2015 temperature reconstruction (Heeter et al., 2020) using Western US tree ring proxies shows peak 1940s warmth and post-1950s cooling. This is the same region Dr. Michael Mann used tree ring data to construct his famous hockey stick graph. Image Source: Heeter et al., 2020 A new Scandinavian temperature reconstruction (Seftigen et […]
Posted in Cooling/Temperature, Hockey Team, Paleo-climatology |
By Kenneth Richard on 21. September 2020
Share this…FacebookTwitterPaleoclimate reconstructions that find no unusual modern warming are nonetheless characterized as showing sharp temperature increases in recent decades anyway. A new (Li et al., 2020) 1818-2012 temperature reconstruction determined 1955 (6.33 °C) and 2001 (7.17 °C) were the 1st and 5th coldest years in northeastern China in the last 200 years. The two […]
Posted in Alarmism, Cooling/Temperature, Paleo-climatology |
By Kenneth Richard on 17. September 2020
Share this…FacebookTwitterA “potential connection” between anthropogenic global warming and the frequency or intensity of wildfires in California has yet to emerge in the trend observations. Scientists have found a “lack of correlation between late summer/autumn wildfires” and “summer precipitation or temperature” in coastal California. In fact, “there is no long-term trend in the number of […]
Posted in Fire |
By Kenneth Richard on 14. September 2020
Share this…FacebookTwitterEvidence that temperature swings of ±17°C occurred during the end-Triassic mass extinction event imply that CO2 would have needed to increase 8- to 1,024-fold (3 to 10 doublings) to have induced that magnitude of temperature change. It didn’t. Evidence from a new study (Petryshyn et al., 2020) suggests “repeated” temperature swings of 16-17°C occurred […]
Posted in Climate Sensitivity, Paleo-climatology |
By Kenneth Richard on 10. September 2020
Share this…FacebookTwitterScientists continue to publish papers revealing no unusual climate trends for the last several centuries in many regions of the world. Despite the 135 ppm increase in CO2 concentration (275 ppm to 410 ppm) since the 1700s, a new 250-year temperature (precipitation) reconstruction (Peng et al., 2020) shows there has been no net warming […]
Posted in Cooling/Temperature, Paleo-climatology |
By Kenneth Richard on 7. September 2020
Share this…FacebookTwitterA new assumption about carbon budgets reveals climate scientists have been vastly underestimating (by a factor of 2) the amount of carbon absorbed by the ocean for decades. Every past carbon budget estimate has been twice as wrong as the current estimate. When it comes to the ocean heat fluxes and source vs. sink […]
Posted in Models, Natural Variability, Oceans |
By Kenneth Richard on 3. September 2020
Share this…FacebookTwitterScientists extend a 15-station East Antarctica record from 1986 to 2017 and find a -0.7°C per decade cooling (-1.4°C total) until 2006, but no trend from 2006-2017. Doran et al (2002) reported “a net cooling on the Antarctic continent between 1966 and 2000”. Image Source: Doran et al., 2020 Obryk et al. (2020) – […]
Posted in Antarctic, Cooling/Temperature |
By Kenneth Richard on 31. August 2020
Share this…FacebookTwitterSurface temperatures needed to have been much warmer than today to supply enough grass year-round for horses and mammoths to subsist in the Arctic through the Late Holocene. Wrangel Island is located in the Arctic’s Chukchi Sea, which is covered in sea ice for all but a few weeks of the year today (Porter […]
Posted in Paleo-climatology |
By Kenneth Richard on 27. August 2020
Share this…FacebookTwitterDuring the last Grand Solar Minimum (17th century), global surface temperatures dipped to the coldest of the last 10,000 years – about 1.4°C colder than today. Dr. Zharkova, an astrophysicist, has determined another imminent drop in solar activity will lead to a 1°C cooling in the coming decades. From 1645 to 1710, the Sun […]
Posted in Arctic, Cooling/Temperature, Sea Ice, Solar
By Kenneth Richard on 24. August 2020
Share this…FacebookTwitterEcological conditions for 3 temperature- and sea ice-sensitive species show the sub-Arctic North Atlantic has been cooling and gaining ice since 1940. In recent months, several scientific publications have documented a dramatic cooling trend in the subpolar North Atlantic, with temperatures plummeting 2°C since 2008 (Bryden et al., 2020) or -0.78°C per decade since […]
Posted in Cooling/Temperature, Sea Ice |
By Kenneth Richard on 20. August 2020
Share this…FacebookTwitterClouds dominate as the driver of changes in the Earth’s radiation budget and climate. A comprehensive new analysis suggests we’re so uncertain about cloud processes and how they affect climate we can’t even quantify our uncertainty. According to scientists (Song et al., 2016), the total net forcing for Earth’s oceanic atmospheric greenhouse effect (Gaa) […]
Posted in Cloud Climate Influence, CO2 and GHG, Scepticism |
By Kenneth Richard on 17. August 2020
Share this…FacebookTwitterEchoing the determination of NASA scientists, a new study suggests the natural variability in cloud cover allowing more solar radiation to be absorbed by the Earth’s oceans drove the 2014-2020 global warming. NASA scientists (Loeb et al., 2018) used satellite data to assess the 2014-2017 warming was driven by a +0.83 W/m² shortwave forcing due […]
Posted in Cloud Climate Influence, Solar Sciences |
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