GISS Step 1: Does it influence the trend?

Guest post by John Goetz The GISStemp Step 1 code combines “scribal records” (multiple temperature records collected at presumably the same station) into a single, continuous record. There are multiple detailed posts on Climate Audit (including this one) that describe the Step 1 process, known affectionately as The Bias Method. On the surface seems like…

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Another look at UC sea level data

Sea Level Data In Monthly Format Guest post by Bob Tisdale As noted in prior Sea Level posts (Sea Level Update – Through March 2009 and Sea Level Data: Global and Indian, Atlantic, and Pacific Oceans), the sea level data available from the University of Colorado is not in monthly format. Some years there may…