proxies, Tag

The solubility of CO2 is temperature-dependent. The existence of both a paleo-SST record and a paleo-CO2 record brought to mind the possibly that the rise and fall of SST was natural variation and atmospheric CO2 just followed...

Guest Post by Willis Eschenbach The iconic “hockeystick” simply refuses to die. It was first created by Mann, Bradley and Hughes in their 1998 paper Global-scale temperature patterns and climate…

The United Nations’ Intergovernmental Panel on Climate Change (IPCC) published their latest assessment report (AR6) in 2021. In 2023, the Clintel Foundation published a report which criticizes AR6.

By comparing recent observations with century-old eggs preserved in museum collections, scientists were able to determine that about a third of the bird species nesting in Chicago have moved their egg-laying up by an average...

Reposted from Climate Audit by Steve McIntyre A common opinion (e,g, Scott Adams) is that the “other proxies”, not just Mann’s stripbark bristlecone tree rings, establish Hockey Stick...

In a recent post, Anthony published Leif Svalgaard’s new paper showing 9,000 years of reconstructed solar activity. Svalgaard paper: Reconstruction of 9000 years of Solar Activity In the discussion, someone pointed...

Steve McIntyre has a look at the “revised” PAGES2K temperature proxy dataset that includes tree rings and river sediments. He finds the usual ridiculous problems from the past, such as upside down data and river...

This story broke while Anthony and I were eclipse hunting. ~ctm From Jennifer Marohasy By jennifer on August 21, 2017 in Information AFTER deconstructing 2,000-year old proxy-temperature series back to their most basic components,...

Public Release: 8-Aug-2017 From Eurekalert Institute of Atmospheric Physics, Chinese Academy of Sciences   IMAGE: 2,000-year temperature reconstruction in China...

Guest Post by Willis Eschenbach Bemused by claims about connections between solar radiation, shipwrecks, and hurricanes in the pre-publication press release of a paywalled study highlighted by Anthony here on WUWT, I thought...

Guest Post by Willis Eschenbach Over at Bishop Hill, the Bish has an interesting thread about a new proxy reconstruction by Rob Wilson et al. entitled “Last millennium northern hemisphere summer temperatures from tree...

From the UNIVERSITY OF WASHINGTON Lab experiments question popular measure of ancient ocean temperatures Understanding the planet’s history is crucial if we are to predict its future...

Guest essay by Eric Worrall h/t DailyCaller – British researchers have claimed that global warming strongly influences our taste in music. According to FirstPost; Fancy listening to the Beatles’ ‘Here Comes...

From the Helmholtz Centre for Ocean Research Kiel (GEOMAR) and the upside down Mann-world department: Ferromanganese crusts record past climates Marine scientists reconstruct past variations in Arctic climate In the past...

Steve McIntyre writes about what he considers another “completely worthless” exercise in statistical data mining, writing: =============================================================== In today’s post,...