Sea level trends, starting points, and datum shifts

A tide gauge record must always start about the time of low ENSO waters and possibly include a datum shift Guest essay by Albert Parker In addition to the case of Aden, discussed in Parker & Ollier (2017) and Parker & O’Sullivan (2018), that is only one of the many where the data proposed by…

Putting The Hype Back Into Hyperloop

Guest Post by Willis Eschenbach A recent article has discussed how Elon Musk’s “Boring Company” has raised $113 million dollars in startup capital. This is the company Musk formed to drill the tunnels for his proposed “Hyperloop” transportation system. It has encouraged me to discuss some of the engineering and practical problems with his LA-to-San…

An interesting plot twist – call it an anomaly

We’ve covered this topic before, but it is always good to mention in again. Howard Goodall asks this on Twitter: “Ever wondered why climate scientists use anomalies instead of temperatures? 100 years of catastrophic warming in central England has the answer.” He provides a link to the Central England Temperature data at the Met Office…