Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

In the latest video, German climate science site Die kalte Sonne here presents a review of sea level rise.

No one disagrees that sea level is rising. But there’s plenty of disagreement on how fast it’s really rising.

Tide gauges

According to the direct tide gauge measurements, sea level rise has been modest and the rate of rise has changed very little over the past decades.

sea level rise review rate of rise depends on who you ask most say no alarm - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

Since 1990, the rate of rise as measured by tide gauges has increased modestly, but overall the rate of rise as been steady at a rather tame 2.09 mm/year. Note these are direct measurements, made where people actually live.

Satellite measurement 

According satellite altimetry, whose sensor measurements have to be computed, the mean sea level (MSL) rise has been rising faster, at about 3.3 mm/yr and accelerating somewhat:

sea level rise review rate of rise depends on who you ask most say no alarm 1 - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

Because satellites don’t measure directly and use a complex computation to reach a result, the figure is fraught with uncertainty, says Die kalte Sonne.

Rahmstorf

In December 2020, Potsdam Climate Institute climate alarmist Prof. Stefan Rahmstorf reported in Spiegel that the rate of sea level rise has more than doubled over the past 30 years – going from 2.1 mm/year to 4.8 mm/year:


sea level rise review rate of rise depends on who you ask most say no alarm 2 - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”
The reason for the accelerating rise, according to Rahmstorf, is manmade climate change.

But Ramstorf “vehemently contradicted” by Hamlington et al. 

Yet, in 2020, a paper by Hamlington (Jet Propulsion Laboratory) and Fredrikse and others “vehemently contradicted Rahmstorf”, reports Die kalte Sonne,

sea level rise review rate of rise depends on who you ask most say no alarm 3 - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

“Over the past decades, sea level rise rate has in fact increased in some regions, for example in the western Pacific, but in other regions sea level rise has shown no acceleration,” says Die kalte Sonne.  The western Pacific sea level rise acceleration is due more to the PDO 60-year oceanic cycle.

Die kalte Sonne: “When this natural component gets deducted, there is today still no recognizable unusual acceleration of global sea level.”

Only 1.5 mm/year

In 2018, Frederikse et al published a paper whose results found sea level rise in the South Atlantic Ocean was only 1.5 mm/year between 1958 and 2014.

sea level rise review rate of rise depends on who you ask most say no alarm 4 - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

In summary, when data are analyzed objectively, spectacular sound sea level rise rates – like those of Stefan Rahmstorf in Spiegel magazine – are outliers that cannot be taken too seriously.

40 papers on 2020 tell us not to worry

Recently, Kenneth Richard published a post here at NTZ showing that in 2020 alone 40 papers were published and they tell us there’s no sea level alarm today.

sea level rise review rate of rise depends on who you ask most say no alarm 5 - Sea level Rise Review. Rate Of Rise Depends On Who You Ask. Most Say: “No Alarm”

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Updated: February 27, 2021 — 12:20 pm

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