Inconvenient: NASA shows global sea level…pausing, instead of rising

Watts Up With That?

This is interesting. It appears that a “pause” has developed in global sea levels. For two years, since July 2015, there has been no sustained increase in global sea level, in fact, it appears to have actually fallen a bit. This graph, provided by NASA’s Global Climate Change website, tells the story:

A zoom of the area of interest, two years prior to the most recent data point.

Source for both graphs: https://climate.nasa.gov/vital-signs/sea-level/

The satellite derived sea level data is also available here: ftp://podaac.jpl.nasa.gov/allData/merged_alt/L2/TP_J1_OSTM/global_mean_sea_level/GMSL_TPJAOS_V4_199209_201708.txt

NASA says on that website:

Sea level rise is caused primarily by two factors related to global warming: the added water from melting ice sheets and glaciers and the expansion of sea water as it warms. The first graph tracks the change in sea level since 1993 as observed by satellites.

Hmmm, I think they left something out of that description.

The other source for sea…

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FAKE NEWS ALERT : ABC Beating Up Perth Sea-Level-Rise Fails To Mention The Land Is Sinking

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Via Warwick Huges | Errors in IPCC climate science :

The ABC reports – Perth’s Kwinana Freeway will be permanently flooded by 2100, oceanographer warns

In 2012 I blogged To understand Perth sea-levels is a complex issue – much of the Perth plain has subsided in recent decades…

Recent media publicity around a “State of Australian Cities” reporthas beaten up claims that Perth sea-levels are rising at three times the global average, or near 10mm per year. A matter that Federal Infrastructure Minister Anthony Albanese described as “disturbing and extraordinary”. Chris Gillham shows that the claims in the State of Australian Cities report re Perth sea level rise are over-hyped.
This chart fom a 2010 WA Govt planning report shows long term sea level changes at Fremantle.

The State of Australian Cities report concentrates on shorter term more sensational trends in the last 20 years but omits to quote recent research measuring rapid subsidence of large areas of the Perth coastal plain.
A 2012 paper – Anthropogenic land subsidence in the Perth Basin: challenges for its retrospective geodetic detection – says subsidence at Gnangara for the 14 years 1997-2011 has averaged 4.6mm per year – see Table 1 below.

In recent decades subsidence has been worsened by increased drawdown ground water for Perth water supplies – a process which has eased post 2005.

This online chart shows CGPS readings from the Hillarys tide gauge installation and indicates steady sinking of ~3mm per year 2006-2012. There are no CGPS readings I can find from Fremantle.

Hillarys has CGPS data from 1997 and Featherstone et al say those data – “…are not in a form that can be readily analysed in a short time frame, particularly because of the multiple equipment changes that make the time series very discontinuous.” Other published versions of the Hillarys CGPS data quote a 1998-2009 subsidence averaging just over 5mm per year. Watson PJ – Is There Evidence Yet of Acceleration in Mean Sea Level
Rise around Mainland Australia?
Journal of Coastal Research, Vol. 27, No. 2, 2011
Featherstone et al 2012 discuss surveying to detect level changes and say – “There is some scope for detecting subsidence in the Perth Basin if levelling is repeated now or sometime in the future. However, the costs are likely to be prohibitive.”
I fail to see how a few repeat levelling traverses from the Darling Ranges to the coast costing what ? – a few $million ? – should be beyond the wealth of a First World nation like Australia. Apparently some traverses were carried out in the 1980’s.
There is no shortage of Govt grant monies to waste on shonky Greenhouse inspired “research”.
Tide gauges and harbours are often located in places where the crust is sinking due to say sedimentation from a river. Any harbour structure attached to piles will slowly sink into the muddy substrate over the decades – factors like traffic vibration, a century of ships banging into piles – all can contribute to piles sinking. Dock areas where tide gauges tend to be installed are often the sites of reclaimed land, Auckland is an example. This tends to quietly settle for decades which can confound tide gauge data. At Fremantle 150 years of urbanization – including storm-water drainage direct to the sea – can lower ground water levels and cause subsidence – quite apart from deliberate ground water harvesting.

To understand Perth sea-levels is a complex issue – much of the Perth plain has subsided in recent decades | Errors in IPCC climate science

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See also :


BEAUTIFUL Example Of How Government Climate Agencies LIE To You About “Sea-Level Rise”

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EXCELLENT example via Paul Homewood of how Government climate agencies blatantly lie to you about climate.

Keep in mind, this is a “Government” document. And its a blatant alarmist lie.

YET another example why even Government institutions – sadly – cannot be trusted on telling you the truth on anything global warming climate change…

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https://www.gov.uk/government/publications/uk-climate-change-risk-assessment-2017

According to the Government’s latest UK Climate Change Risk Assessment, sea levels around the UK are rising by around 3mm a year.

UK climate Gov1.png

 

This is an outright lie.

 

The Committee on Climate Change also tell us in their Climate Change Risk Assessment Evidence Report, used as the basis for the Government report:

UK climate Gov2.png

Thus implying that the rate of sea level rise has been accelerating recently.

Tide gauges however tell a totally different story.

Long running sea level data is available at two sites in the UK, North Shields in the North East, and Newlyn in the South West. There is consequently a good geographic distribution, with the former on the North Sea coast, and Newlyn facing the Atlantic.

Data kept by PSMSL shows the following:

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http://www.psmsl.org/data/obtaining/stations/202.php

Long term trends are around 1.9mm/yr, and it is immediately evident that there has been no acceleration in recent years.

 

But we can double check this by looking at the rate of rise. Below are charts showing the amount of sea level rise measured over 120-month intervals. The red line is the mean.

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It is clear that there is no apparent trend, simply large variations throughout both records.

NOAA also publish graphs giving longer term 50-year trends. These both show that sea levels were rising faster around the mid 20thC.

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https://tidesandcurrents.noaa.gov/sltrends/global_50yr.htm?stnid=170-053

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https://tidesandcurrents.noaa.gov/sltrends/global_50yr.htm?stnid=170-161

 

There is one other long running tidal gauge record. This is at Aberdeen, although data for 2016 has not yet been entered by PSMSL.

However, NOAA show that sea levels are only rising by 0.72mm there, due to the fact that the land is rising.

Aberdeen SLR.png

https://tidesandcurrents.noaa.gov/sltrends/sltrends_global_station.htm?stnid=170-011

Although the land is rising in Scotland, most of England is sinking. Both are as a result of glacial isostatic adjustment, the ongoing movement of land once burdened by ice-age glaciers.

Consequently, part of the sea level rise seen at North Shields and Newlyn is due to this, rather than absolute sea level rise.

SLR data.png

https://notalotofpeopleknowthat.wordpress.com/2017/01/28/uk-climate-change-risk-assessment-2017/

 

Threats of ever rising sea levels are stock in trade for the climate mafia, yet when we look at actual tidal gauge records, we see nothing other than a gradual rise, going back to the 19thC.

However, for such fake claims to be made in an official government report is simply unacceptable.

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Sea-Level Rise Scam Related :

Sea Level Rise Fraud Related :

Mainstream Media Sea Level Rise Alarmism :


Tangier Island

CLASSIC example of how sea-level rise is deceitfully abused as evidence of anthropogenic climate change (AGW) when sea-level rise should be treated on a region to region basis to account for, in this case, land subsidence.

The other no-brainer to identify wilful deception is the fact that there has been no sea-level rise acceleration, despite accelerating CO2 emissions…

You may notice this trend, or lack there of, in many cases of SLR fear-mongering.

NOT A LOT OF PEOPLE KNOW THAT

By Paul Homewood

CBS have a report on rising sea levels at Tangier Island, in Chesapeake Bay here

The video is worth watching. The CBS reporter makes the usual attempts to blame it on “climate change”, but the locals know too much to fall for that old pony.
They know that sea levels have been rising, and land eroding, since 1850.

And they are right. Tide gauges in the area, such Sewell Point, Norfolk, confirm that sea levels have been steadily rising for a long time, long before recent rises in emissions of CO2.


https://tidesandcurrents.noaa.gov/sltrends/sltrends_station.shtml?stnid=8638610

The rate of rise is 4.6mm/yr, nearly three times the global rate. But there is a very good reason for this – the land is sinking.
Chesapeake Bay is the site of an ancient impact crater, caused by a comet or meteor. As a result the land has been subsiding ever since. Estimates by proper…

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Falling Sea Level: The Critical Factor in 2016 Great Barrier Reef Bleaching!

“shallow coral were increasingly vulnerable to deadly desiccation during more extreme sea level drops when warm waters slosh toward the Americas during an El Niño.”

A must read to educate and prevent further misleading great barrier reef hysteria and subsequent ad-hoc and misguided Coral conservation policies…

Watts Up With That?

Guest essay by Jim Steele

Director emeritus Sierra Nevada Field Campus, San Francisco State University and author of Landscapes & Cycles: An Environmentalist’s Journey to Climate Skepticism

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It is puzzling why the recent 2017 publication in Nature, Global Warming And Recurrent Mass Bleaching Of Corals by Hughes et al. ignored the most critical factor affecting the 2016 severe bleaching along the northern Great Barrier Reef – the regional fall in sea level amplified by El Niño. Instead Hughes 2017 suggested the extensive bleaching was due to increased water temperatures induced by CO2 warming.

In contrast in Coral Mortality Induced by the 2015–2016 El-Niño in Indonesia: The Effect Of Rapid Sea Level Fall by Ampou 2017, Indonesian biologists had reportedthat a drop in sea level had bleached the upper 15 cm of the reefs before temperatures had reached NOAA’ Coral Reef Watch’s bleaching thresholds. As discussed by Ampou 2017, the…

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Miami’s Vice

A brilliant picture presentation by WUWT guest blogger Kip Hansen expertly debunks Miami’s supposed global-warming-induced, sea-level rise/flooding hysteria!

“Miami Beach is at such grave risk of sea water flooding today that it should preemptively be declared a disaster zone – not because of global-warming-driven sea level rise but due to a seeming total lack of sensible civil engineering standards and sensible building codes.”

Watts Up With That?

Guest Essay by Kip Hansen

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Miami Beach has a vice – a bad one – a dangerous one.

Miami’s vice is water, as in waterfront.  Everybody seems to want a house on the waterfront, a house on a canal, with a boat tied to the dock.

So what’s not to like about that?  After all, my wife and I live on our boat.

The New York Times (and the LA Times) has been running story after story about Miami flooding, Miami King Tides, Miami sea level rise threating billions of dollars of infrastructure.

Like these:

Intensified by Climate Change, ‘King Tides’ Change Ways of Life in Florida

Flooding of Coast, Caused by Global Warming, Has Already Begun

A Sharp Increase In ‘Sunny Day’ Flooding

Perils of Climate Change Could Swamp Coastal Real Estate

These news pieces offer images such as:

millionaires_house

This first image is hurricane storm surge impacting…

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NASA “Sea Level Rise” Fraud

nasa_fraud

‘Sea Level Rise’ is just one in a long line of propaganda metrics used by the climate crisis industry to promote the narrative that your CO2 emissions are causing unprecedented climate change.

What ‘sea-level rise’ alarmists won’t tell you is that seas have risen 400 feet (120m) over the past 20,000 years, since the end of the last Ice Age. And over the past 200 years have been rising at a steady rate of 1.7-1.8 mm/year according to NOAA.

Climate change and sea level rise over the past 20,000 years :

SLR Greenland Ice Core.jpg

Annotated graph via Tony Heller’s Real Science humorously notes the impact your SUV has had on sea-level rise versus Nature over the past 20,000 years :

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Distinguishing Between Natural And Man-Made Sea Level Rise | Real Science

Sea Level Rise acceleration?

There has been no acceleration of sea-level rise since industrialisation. And critically, something other than evil plant food “Carbon Dioxide” caused seas to rise around 1790.

Important to note that 85% of man-made CO2 was emitted after 1945 :

jevrejeva-sea-levels-1700-1800-1900-2000-global-2

It wasn’t CO2: Global sea levels started rising before 1800 « JoNova

 

What we know about rising seas :

  • Seas have been rising for the past 20,000 years, since the end of the last Ice Age.
  • Something other than CO2 caused the current steady rise around 1790.
  • No acceleration since 1790.

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With that hard science and peer-reviewed data in the vault, enter the climate fiddlers from the ‘Ministry of Truth’ – NASA…

 

 

Tony Heller of Real Climate Science has spent thousands upon thousands of hours of unpaid work exposing the relentless fraudulent adjustments and data tampering pushed out of government (taxpayer funded) climate institutions – NASA, NOAA, NSIDC, NCDC, CSIRO, BoM, UN IPCC to name a few.

The fraudulent data is then fed to the sycophant, global warming alarmist mainstream media, published as gospel, and voilà – the “Climate Change Crisis” is born!

This recent post via Real Climate Science on NASA tampering of Sea-level rise highlights the blatant malfeasance that these government funded institutions will undertake in order to push the man-made global warming climate change agenda, and keep the “Greatest and most successful pseudoscientific fraud in history” rolling and the billions upon billions of taxpayer funds flowing…

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NASA Shows How Science Fraud Is Done

 

In 1982, NASA showed that sea level rise dropped off sharply after 1950.

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NASA said that there was a high correlation with global surface temperature (i.e. global warming occurred from 1880 to 1940 and slowed considerably after 1950.)

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1982_Gornitz_go05100g.pdf

In 1990, the IPCC said there was no convincing evidence of an acceleration in sea level rise during the 20th century.

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ipcc_far_wg_I_chapter_09.pdf

The 1995 IPCC report showed no warming from the 1950’s to the 1990’s.

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ipcc_sar_wg_I_full_report.pdf

The NASA/IPCC data wrecked two essential parts of the global warming scam – post-1950 warming and post-1950 sea level rise. So they found people who were willing to change the data to match the models. The current NASA sea level data is based on this confirmation bias fishing expedition.

This acceleration is an important confirmation of climate change simulations

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Church J, White N.. A 20th century acceleration in global sea-level rise. Geophys Res Lett 33: L01602

The overlay below shows how they changed the post-1950 data to match the theory.

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Church and White discovered a mysterious break in sea level in the year 1926, when sea level rise rates suddenly increased by almost 250% to 1,94 mm/year.

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Data

I can’t find one single tide gauge anywhere on the planet which shows this post-1926 acceleration. The Church and White study is utter nonsense.

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But the NASA fraud gets worse. Their tide gauge data says 1.94 mm/year, but their web site shows 3.4 mm/year.

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Climate Change: Vital Signs of the Planet: Sea Level

Only 10% of NOAA tide gauges show that much sea level rise, and all of those are in places where the land is rapidly sinking.

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Sea Level Trends – MSL global stations trends table

NOAA says sea level is rising half as fast as NASA’s claims.

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absolute global sea level rise is believed to be 1.7-1.8 millimeters/year

Sea Level Trends – Global Regional Trends

NASA sea level claims are blatant fraud – being done right in front of our faces.

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NASA Global Temperature Fraud Related :

Sea Level Rise Fraud Related :

Mainstream Media Sea Level Rise Alarmism :