Here is Lamarche’s diagram of altitudes at the key bristlecone sites of Sheep Mountain and Campito Mountain (as noted below, when wood erosion is allosed for, the post-MWP decline is placed after 1500.) The other diagram of treeline elevations that I’ve seen is at the Polar Urals site, which I’ve shown here and here. The … Continue reading Lamarche on Treelines #2