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(2022), A high-resolution climate simulation dataset for the past 540 million years","dataDoi":"10.6084/m9.figshare.19920662.v1","sourceVersion":1,"sourceUrl":"https://figshare.com/articles/dataset/19920662/1","sourceSha256":"611d9c9a2d486bb1e9f3e950b9d63d12a318b2fb634e422f7daa4158111bc274","license":"CC-BY-4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","variables":{"temperature":"T, surface temperature (not 2 m air), degC","precipitation":"P, mm/month","landFraction":"LANDFRAC, fraction"},"processing":"Arithmetic mean of 12 monthly climatologies; north-first latitude, dateline-first longitude; linear age interpolation from 55 simulations at 10 Ma to 109 textures at 5 Ma. Round-to-nearest-even uint8; lossless WebP. Global temperature uses original unquantized T and Gaussian grid weights gw.","uncertainty":"Quantization errors below describe encoding only. CESM1.2.2 is one equilibrium climate model, not observations. Source omits prescribed ancient continental ice sheets and plant evolution; tuned model CO2 forcing is distinct from CenCO2PIP proxy CO2. 0 Ma is pre-industrial. 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