Zeespiegel stijgt aanmerkelijk minder snel dan gedacht



Bron hier.

De Duitse meteoroloog Klaus–Eckart Puls vergeleek verschillende meetreeksen van zeespiegelstijging. Resultaat: 1,6 – 1,7 mm. per jaar. Geen versnelling! Geen antropogeen signaal!

Onder de titel, ‘Comprehensive EIKE Review Of Sea Level Rise Shows TOPEX/POSEIDON/JASON Results Are Inflated, Faulty’, schonk de onvermoeibare Pierre Gosselin aandacht aan een recente analyse van Klaus–Eckart Puls, die eerder in het Duits was verschenen op de website van EIKE (‘Europäisches Institut für Klima und Energie’). Hierin vergeleek Puls een drietal meetreeksen van zeespiegelstijging. De conclusie was dat de zeespiegelstijging zich aanzienlijk langzamer voltrekt dan het VN-klimaatpanel en sommige prominente klimaatalarmisten (Jim Hansen, Al Gore) ons willen doen geloven.

One of the last remaining bastions of the global warming scare is sea level rise.

Unsurprisingly, a handful of alarmists are still desperately clinging to accelerating sea level rise, insisting that it is just around the corner. However a new analysis on the subject by veteran meteorologist Klaus-Eckart Puls of the European Institute of Climate and Energy (EIKE) shows that sea level rise is not accelerating, and that there are signs showing a deceleration. That bastion is on the verge of collapse.

The EIKE review first starts by focusing on German coastal sea level rise, sections 1-4, before shifting on global sea level rise, section 5-10. The focus here is on the latter.

Concerning global sea level data, Puls starts by looking at a peer-reviewed tide gauge analysis conducted by distinguished Swedish scientist Nils-Axel Mörner who evaluated 182 tide gauges scattered around the world, some going back more than 200 years.

Mörner’s results uncovered gaping differences when he compared the tide gauge results to those reported by the TOPEX/POSEIDON/JASON satellite. His conclusion:

Removing outliers of obvious uplift or subsidence, there are 182 records left, which forms a nice Gaussian distribution around a mean value of +1.65 mm/yr.

Satellite altimetry is a new and important tool. The mean rate of rise from 1992 to 2013 is +3.2 ±0.4 mm (UC, 2013). This value is not a measured value, however, but a value arrived at after much “calibration” of subjective nature (Mörner, 2004, 2011a, 2013a). The differences between the three data sets (±0, +1.65 and +3.2 mm/yr ) are far too large not to indicate the inclusions of errors and mistakes.”

He adds:

The evaluation of worldwide 182 tide gauges yields a mean secular sea level rise of 16 cm, without a GIA [Glacial Isostatic Adjustment] correction. A secular acceleration in rise was not found, and thus there is no AGW-CO2 climate signal.”

Puls also quotes an article by Dr. Sebastian Lüning and Prof. Fritz Vahrenholt at DkS:

Despite the satellite measurements, naturally the tide gauge measurements were continued. And they don’t mislead in any way as they stubbornly stick to their old course of being significantly below 2 mm/year.”
Puls provides three charts showing the glaring discrepancy:

So which is right? TOPEX/POSEIDON/JASON or the observed tide gauges? Next Puls looks at the data obtained from the GRACE satellite, which show they are practically in exact agreement with the tide gauge measurement. Puls writes, citing multiple sources of peer-reviewed literature:

Both extremely different measurement methods of tide gauges and gravity measurements (GRACE satellite) agree with each other amazingly well at 1.7 mm/yr. They are off by only one tenth of a millimeter!  That leads us to the question we often find in the literature of why the TOPEX/POSEIDON/JASON satellite measurement method – the only one of all methods – yields values that are almost double.”

From this Puls summarizes at the end:

The constant stream of alarmist announcements of a supposed dramatic sea level rise now taking place and in the future cannot be confirmed. Rather it is even refuted by the measurement data. Worldwide neither the tide gauge data (200 years) nor the satellite data (20 years) indicate an acceleration in sea level rise. This is in stark contradiction to all the former and current claims of the IPCC, some institutes and a number of climate models. Moreover there is evidence that indicate the satellite data have been ‘overly corrected’[..]: “Instead of the satellite data being adjusted to match the real measured data at the surface and being adjusted downwards, there is now a discrepancy between the tide gauge and satellite measurements, unfortunately even today. And it appears to bother no one. A mysterious case.”

Lees verder hier en hier.

Alweer een sprookje minder.

Zie ook: ‘Wie betaalt de Veerman. Aanname zeespiegelstijging in Rapport Deltacommissie bizar.’

Voor mijn eerdere DDS–bijdragen zie hier.


De presentaties en paneldiscussies die tijdens de recente Heartland–klimaatconferentie in Las Vegas hebben plaats gevonden, zijn hier te bekijken.



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