Discussion of: A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable?

TL;DR

This paper critically examines the statistical methods used in temperature reconstructions over the past millennium, questioning their reliability and highlighting potential limitations in current approaches.

Contribution

It provides a detailed discussion on the robustness of temperature proxy analyses and suggests improvements for future statistical modeling in climate reconstructions.

Findings

Current reconstructions may have significant uncertainties

Statistical methods need refinement for better reliability

The paper highlights potential biases in proxy data analysis

Abstract

Discussion of "A statistical analysis of multiple temperature proxies: Are reconstructions of surface temperatures over the last 1000 years reliable?" by B.B. McShane and A.J. Wyner [arXiv:1104.4002]