| http://www.w3.org/ns/prov#value | - Filed under: Instrumental Record ??? rasmus @ 8 December 2004 In a recent paper, McKitrick and Michaels (2004, or ???MM04???) argue that non-climatic factors such as economic activity may contaminate climate station data, and thus, may render invalid any estimates of surface tem??perature trends derived from these data.
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