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German climate scientist

Hans von Storch (born 13 August 1949) is a German climate scientist. He is a professor at the Meteorological Institute of the University of Hamburg, and (since 2001) Director of the Institute for Coastal Research at the Helmholtz Research Centre (previously: GKSS Research Center) in Geesthacht, Germany. He is a member of the advisory boards of the journal Journal of Climate. He worked at the Max Planck Institute for Meteorology from 1986 to 1995 and headed the Statistical Analysis and Modelling research group there.

Hans von Storch, who also concurs with the mainstream view on global warming, said that the University of East Anglia (UEA) had "violated a fundamental principle of science" by refusing to share data with other researchers. "They play science as a power game," he said.

In 2003, with effect from 1 August, Hans von Storch was appointed as editor in chief of the journal Climate Research, after having been on its editorial board since 1994. A few months before a controversial article (Soon and Baliunas 2003) had raised questions about the journal's decentralised review process, with no editor in chief, and about the editorial policy of one editor, Chris de Freitas. Storch drafted and circulated an editorial on the new regime, reserving the right as editor in chief to reject articles proposed for acceptance by one of the editors. Following the publisher's refusal to publish the editorial unless all editors serving on the board endorsed the new policy, Storch resigned four days before he was due to take up his new position. Four other editors later left the journal. Storch later told the Chronicle of Higher Education that "climate science skeptics" “had identified Climate Research as a journal where some editors were not as rigorous in the review process as is otherwise common.”

In late 2004, Storch's team published an article in the journal Science which tested multiproxy methods such as those used by Mann, Bradley, and Hughes, 1998, often called MBH98, or Mann and Jones, to obtain the global temperature variations in the past 1000 years. The test suggested that the method used in MBH98 would inherently underestimate large variations had they occurred; but this was subsequently challenged: see hockey stick graph for more detail. To reach this conclusion, Storch et al. used a climate model to generate a series of annual temperature maps for the world over the past several centuries. They then added white noise to the proxy data and applied the methods used in MBH98, a variation of principal component analysis, to the computed temperature maps and found that the amount of variation was considerably reduced. In April 2006, Science published a comment authored by Wahl and collaborators, asserting errors in the 2004 paper, stating that "their conclusion was based on incorrect implementation of the reconstruction procedure" a mistake with Repercussions; and a disputing VS Reply. In this reply, VS and his team demonstrated that caveats raised in the Wahl comment did not invalidate their original conclusion. The inadequacy of the MBH98 methodology for climate reconstructions was later independently confirmed in other publications, for instance by Lee, Zwiers and Tsao, 2008 or by Christiansen et al., 2009. In 2010, Storch received the IMSC achievement award at the International Meetings on Statistical Climatology in Edinburgh, to "recognize his key contributions to statistical downscaling, reconstruction of temperature series, analyses of climatic variability, and detection and attribution of climate change".

In 1977, Hans von Storch co founded a 100 member Donald Duck Club, defending Donald Duck against accusations of indecent behavior. Between 1976 and 1985 he was publisher of a magazine on Donald Duck, Der Hamburger Donaldist.