The Holocene Climatic Optimum and the “pre-industrial”

By Andy May The “pre-industrial” according to the IPCC in a footnote on page 43 of AR6 WGI is prior to 1750 for radiative forcings and before 1850 for temperature. Both dates are within the period commonly described as the Little Ice Age. The Little Ice Age was a brutal and a miserable time forContinue reading “The Holocene Climatic Optimum and the “pre-industrial””

Holocene Thermal Optimum

By Andy May The Holocene Thermal Maximum, also called the Holocene Thermal Optimum or the Holocene Climatic Optimum, occurred at different times in different parts of the world but generally between 10,000 BP and 4,000 BP.  I use BP to indicate years before 2000.   The world ocean was probably 0.7°C warmer than today 8,000 BP.Continue reading “Holocene Thermal Optimum”