Friday, October 07, 2022

Global Mean Absolute Sea Levels are rising. Really!

These global sea measurements in millimeters per year are highly suspect! This is an extraordinary pretense of knowledge and accuracy! What about measurement errors etc.? These are markings of pseudoscience!

This is a nice case where sound skepticism towards science is very much justified!

The coastline of mainland China is about 18,000 km long. These scientists used a total of 12 stations along the coast or one station per 1,500 km on average!
"The sea level change at 12 collocated TG and GNSS stations along the Chinese coast are first analyzed by TG + GNSS data."

"... The results show that the relative sea level rise along the Chinese coast varied from 2.61 ± 0.76 to 5.56 ± 0.70 mm/yr, while the effect of vertical land motion (VLM) ranged from −1.46 ± 0.30 to 1.07 ± 0.38 mm/yr. After correcting the effect of the VLM, the ASL rise ranged from 2.51 ± 0.86 to 5.03 ± 0.60 mm/yr, with a mean rate of 3.94 ± 0.88 mm/yr, which was 0.7 mm/yr higher than the global average. ..."

"As a consequence of climate change, the global mean sea level from tide gauges and satellite altimetry observations increased from 1.4 mm/yr over the period 1901–1990 to 3.2 mm/yr over the period 1993–2015 to 3.6 mm/yr over the period 2006–2015. An improved understanding of sea level rise is essential for the safety of society, the economy and the environment."

Absolute Sea Level Changes Along the Coast of China From Tide Gauges, GNSS, and Satellite Altimetry - Zhou - 2022 - Journal of Geophysical Research: Oceans - Wiley Online Library (no public access)

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