Recent posts on the Wegman Report and Donald Rapp’s Praxis-Springer text book Assessing Climate Change have generated much comment. In A Divergence Problem, part 1, I noted that the sub-section on dendrochronology (tree ring-proxies) in Rapp’s book was based in large part on nearly verbatim material found previously in the Wegman Report. That in turn was a somewhat distorted summary of material found in Raymond Bradley’s seminal text book, Paleoclimatology: Reconstructing Climates of the Quaternary.
In this follow up post, I”ll examine the Wegman’s treatment of other proxies, which were also derived from Bradley. I’ll also take a closer look at the three proxy sub-sections in Rapp that are derived in turn from Wegman. In all three cases, divergences are slight, but do include some interesting changes in the references.