The chief executive of a prominent science group said they currently have no intention of retracting a study at the center of a controversy involving accusations of scientific malpractice by National Oceanic and Atmospheric Administration (NOAA) scientists.
Rush Holt, president of the American Association for the Advancement of Science (AAAS), told lawmakers Tuesday he saw no reason to retract a 2015 NOAA study claiming to have eliminated the global warming “pause” from the temperature record.
Dr. John Bates, the former principal scientist at the National Climatic Data Center in Asheville, N.C., went public with complaints that NOAA scientists put a ‘thumb on the scale’ to get results that showed more global warming since 1998.
Holt said he sees nothing wrong with the study, and that Bates’ accusations amounted to an “internal” NOAA dispute over archiving practices. NOAA’s 2015 study was published in the journal Science, which is published by AAAS.
“This is not the making of a big scandal,” said Holt, a former Democratic congressman. “This is the internal dispute between two factions of an agency.”
“There’s nothing to suggest there are problems with that work,” Holt said.
Texas Republican Rep. Lamar Smith disagreed.
“It may be a lot more serious than you think,” said Smith, who chairs the House Committee on Science, Space and Technology.
Smith launched an investigation into Karl’s 2015 study, eventually hearing from other NOAA employees the study may have been rushed to influence policymakers meeting at a United Nations summit later that year.
Smith subpoenaed NOAA for emails related to the study, but the agency fought back. NOAA eventually handed over emails, but many were redacted. Smith has used Bates’ public complaints as a launch pad for further inquiry.
Bates accusations were first made public by The Daily Mail. He told the paper that scientists manipulated NOAA’s scientific process to “to discredit the notion of a global warming hiatus and rush to time the publication of the paper to influence national and international deliberations on climate policy.”
Bates said the study’s lead author, Tom Karl, putting his “thumb on the scale pushing for, and often insisting on, decisions that maximize warming and minimize documentation.” Bates said the study was “a flagrant manipulation of scientific integrity guidelines and scientific publication standards.”
Bates also said Karl’s study violated the journal Science’s policy on making data publicly available.
AAAS, some scientists and environmentalists have come to Karl’s defense, saying his study was peer-reviewed independently verified by other researchers.
“It is not profitable to progress science to dwell on one internal dispute,” Holt said, noting that if, say, NOAA’s inspector general found reason for concern, AAAS may consider retraction.
Jeremy Berg, editor-in-chief of the journal Science, also stood behind Karl’s study.
“Science stands behind its handling of the paper by Karl et al., which underwent particularly rigorous peer review,” Berg said in an emailed statement.
A NOAA spokesman said the agency would “review” Bates’ allegations and take appropriate measures.
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