Author Archives: climanrecon

CET Issues

This post will cover issues related to the Central England Temperature series, created initially by Gordon Manley in 1953, and maintained in recent decades by the UK Met Office Hadley Centre. My Version of Central England Temperatures A reconstruction of … Continue reading

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GHCNM Spatial Sampling

SCOPE This post is about the current spatial sampling of the stations with monthly average rainfall data in GHCNM version 2, and temperature data in GHCNM versions 3 and 4, the current source data for many “official” reconstructions of the … Continue reading

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DIYMETANALYSIS

Author: Dr Michael Chase You are invited to visit a new website that describes a relatively simple, but nevertheless effective method of reconstructing the regional average history of monthly average surface air temperature variations for a region from its weather … Continue reading

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The Rumble at Rutherglen

Author: Dr. Michael Chase Photo above: A recent picture of the weather station at Rutherglen, Australia, from the BoM webpage cited below. Other photos are shown at the end of the post. Post Summary and Conclusions This post documents some … Continue reading

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Merge Errors in ACORN-SAT

Author: Dr. Michael Chase Summary I believe that it was James Hansen and NASA/NOAA co-workers who first pointed out in print the problem of historical non-climatic warming in temperature reconstructions, as depicted in the following diagram: Source of the figure … Continue reading

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The Late 20th Century Climate Shift in SE Australia

Author: Dr. Michael Chase Introduction Monthly average surface air temperature data in South-East Australia (and probably in other regions) show a relatively sudden increase in maximum temperatures at the end of the 20th century. Unfortunately, this was also the time … Continue reading

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Averaging Multiple Temperature Records

Author: Dr. Michael Chase Introduction This is the first in a series of posts with the general theme of “Do it yourself temperature homogenisation“. The full series of posts will outline a simple but effective procedure for turning raw instrumental … Continue reading

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