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 discusses the statistical methods used in temperature proxy reconstructions over the past millennium, questioning their reliability and robustness in climate change studies.

Contribution

It provides an in-depth critique of existing statistical approaches in temperature reconstructions, highlighting potential biases and uncertainties.

Findings

Identifies limitations in current proxy-based temperature reconstructions

Highlights the need for more robust statistical methods

Questions the reliability of some past climate reconstructions

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]