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Archive for June, 2014

More Luling

June 30, 2014 Leave a comment

Following on from yesterday where Paul Homewood picked up on a comment I made on his blog see Luling Keeps Changing June 29, 2014, I took a look today at the NCDC data.

Maybe I picked up the wrong files, seems surreal.

I am now going to be precise step by step.

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Categories: analysis, temperature

Luling, Texas weather station

June 28, 2014 1 comment

A recent saga started by Paul Homewood over apparently excessive “homogenisation” for one of a vast number of US volunteer run weather stations led me to take a look. I’ll link Paul’s blog articles as an appendix.

The station is at Luling Foundation Farm, an agricultural station set up prior to WWII. The weather data runs from 1949.

Image

Luling station house looking south

They have a good web site which gives a history, starting the unravelling of the situation. http://lulingfoundation.org/our-history

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Categories: analysis, weather

An 11 year solar signal in the atmosphere

June 27, 2014 9 comments

A 10 year old paper in JGR unearthed a slight solar effect in the atmosphere and whilst the paper is mentioned in various blog comments around the netnote, a quick search suggests it hasn’t had direct exposure. No harm done if it has.

Image

Subset of Figure 4 from the paper, y-axis is atmospheric pressure hPa. Above is a hovmoller diagram.

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Categories: analysis, entropy, solar

Ice core CO2 and temperature, lead or lag, ongoing saga

June 17, 2014 1 comment

Argument over whether the two long ice cores, EPICA and Vostok are evidence of CO2 leading or lagging temperature has been going on ever since the core data was published. I assume the reader knows this.

A snippet has turned up as a result of an article at Bishop Hill.

Republished images as an aide memoir for the subject

Figure 1, click full size

Figure 1, click full size

Plots, own work. Pertinence, read on.

The Bishop Hill article is from an anonymous teacher of statistics where a cross-disipline dispute arose.

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