Thomas Frederikse

Postdoctoral researcher, Jet Propulsion Laboratory/California Institute of Technology

Expertise: Global sea level, Regional sea level, Solid-earth processes



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Qualifying publication(s): see criteria





Wall Street Journal article repeats multiple incorrect and misleading claims made in Steven Koonin’s new book ’Unsettled’

in The Wall Street Journal, by Mark P. Mills

— 03 May 2021

Scientists who reviewed the article found that it builds on a collection of misleading and false claims. For instance, Koonin states that “Greenland’s ice sheet isn’t shrinki...

Story on congressman’s incorrect claims about sea level rise could have corrected them more explicitly

in Science Magazine, E&E News, by Scott Waldman

— 22 Jan 2019

"The comments from the members of the Committee suffer from severe inaccuracies and misconceptions, and citations of the invited climate scientist mostly address those issues. In ..

Washington Post article accurately describes latest estimate of accelerating Antarctic ice loss

in The Washington Post, by Chris Mooney

— 15 Jun 2018

"The article presents the results of the study accurately, and uses multiple comments from scientists both involved and not-involved in the study to highlight the key findings. Som..


Rates of global sea level rise have accelerated since 1900, contrary to bloggers’ claims

“there has not been a long-term distinctive change in sea level rise rates in the last 120 years”

SOURCE: Pierre L. Gosselin, Kenneth Richard, NoTricksZone, Watts Up With That?

Published: 15 Jan 2021


Global data contradict claim of no acceleration in sea level rise

The long-term tide gauge datasets are all in agreement that there is no acceleration

SOURCE: Willis Eschenbach, Watts Up With That?

Published: 01 Apr 2020


Sea levels rose faster in the past century than in previous time periods

Sea level rise has been slow and a constant, pre-dating industrialization

SOURCE: Thomas Lifson, American Thinker

Published: 12 Mar 2020


Sea levels have risen throughout the 20th century, contrary to claim in online articles

Scientists were caught 'adjusting' sea level data to create false impression of rising oceans

SOURCE: Vicki Batts, James Delingpole, Signs of the Times, Breitbart

Published: 20 Feb 2020


Photo meme of Sydney Harbour incorrectly claims no sea level rise has occurred

Unprecedented climate change has caused sea level at Sydney Harbour to rise approximately 0.0 cm over the past 140 years.

SOURCE: Anonymous, Facebook post

Published: 28 Oct 2019