“NASA has not been involved in any manipulation of climate data used in the annual GISS global temperature analysis. The analysis utilizes three independent data sources provided by other agencies. Quality control checks are regularly performed on that data. The analysis methodology as well as updates to the analysis are publicly available on our website. The agency is confident of the quality of this data and stands by previous scientifically based conclusions regarding global temperatures.” (GISS temperature analysis website: http://data.giss.nasa.gov/gistemp/)” [note: I could not find the specific url from NASA, so I welcome being sent this original source]."This statement perpetuates the erroneous claim that the data sources are independent [I welcome information from GISS to justify their statement, and will post if they do]. This issue exists even without considering any other concerns regarding their analyses........The GISS news release is symptomatic of the continued attempt to ignore science issues in their data analysis which conflict with their statement in the press release. This is not how the scientific process should be conducted. "
source
Roger Pielke Sr. Senior Research Scientist, Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado
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