VeganPizza69 ⓋⒶ: "@paninid https://www.pnas.or…" - Veganism Social

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Coach Pāṇini ® @paninid@mastodon.world

Everything is relative.

Global Average Temperature Change
"Medieval warm period" from 950 to 1250 CE

"Little ice age" from 1450 to 1800 CE

From graphic by Ed Haricins

ALT

VeganPizza69 ⓋⒶ @veganpizza69@veganism.social

https://www.pnas.org/doi/10.1073/pnas.1809600115

big picture relativity

This is a big chart going from 65 million years ago to today and projections up to 2300.

It basically shows how human caused global warming could reach similar warming to that of the Eocene maximum... in the worst case scenario, by 2200-2300.

Official caption:

Temperature trends for the past 65 Ma and potential geohistorical analogs for future climates. Six geohistorical states (red arrows) of the climate system are analyzed as potential analogs for future climates. For context, they are situated next to a multi-timescale time series of global mean annual temperatures for the last 65 Ma. Major patterns include a long-term cooling trend, periodic fluctuations driven by changes in the Earth’s orbit at periods of 104–105 y, and recent and projected warming trends. Temperature anomalies are relative to 1961–1990 global means and are composited from five proxy-based reconstructions, modern observations, and future temperature projections for four emissions pathways (Materials and Methods). Pal, Paleocene; Mio, Miocene; Oli, Oligocene.

ALT

#climate #eocene #hothouse

May 03, 2024, 08:00 PM··Web

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