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Sea levels rising at fastest rate in 28 centuries.

longview said:
PNAS knows what significant figures are, and what they mean.
It is not possible to measure a 5mm change with a system that
is only accurate to 30 mm.
Perhaps you can enlighten us as to why a single dish altimeters,
with a 13.6 Ghz signal, only has a 30 mm accuracy?
(technically the absolute theoretical accuracy is 22mm, but we do not live in a vacuum)
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I guess they just forgot about this critically important information when they edited the study and cleared it for publication.

Moreover, all the peer reviewers (oh, right, they're in on the plot too) must have overlooked this.

Seems like you should be sending strongly worded correction letters into PNAS rather than blabbering on DP about this.
 
Tim the plumber said:
So you think that a range of values between 2mm and 5mm per year is anything other than F. all?
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I think that it's not flat. Don't you?

Tim the plumber said:
Tell me, how will a 16 inch sea level rise cause mass flooding over a century?
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Because cities are built with one sea level in mind. A city is either flooded, or it's not. And when the sea level reaches that tipping point, the frequency of flooding goes way, way up, very very fast. Like this:

atlantic_city_num.jpg
 
longview said:
So when NASA says the accuracy of the satellites is more than 3 cm (30 mm),
I guess that means it is easy to see a difference between 3 mm/year and 5mm/year?
https://sealevel.jpl.nasa.gov/techn...umentdescription/instrumentdescriptaltimeter/
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Yes, as a matter of fact, that's exactly what it means. The ancient Greeks didn't have clocks, yet they measured the length of the synodic month to an accuracy of less than 0.6 seconds. (I'll wait until your head is done exploding.) The accuracy of any individual measurement can quite easily be exceeded by a series of measurements.
 
Steve Case said:

One of the things you need to know about the satellite record is that like most
things global warming, the historical data isn't static. It's regularly rewritten.
Here's a little graph that compares ten years worth of data corrections:

331k5ya.jpg



It's a matter of opinion as to why those changes were made
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It's not a matter of opinion at all. It's clearly explained in the release notes. But since you're from Denierstan, reading science is obviously the last thing on your mind.

Meanwhile, The Question No Denier Will Answer still remains unanswered:

What's your recommendation? Leave a known bias in the data? Or correct the data to remove the bias?
 
Poor Debater said:
I think that it's not flat. Don't you?



Because cities are built with one sea level in mind. A city is either flooded, or it's not. And when the sea level reaches that tipping point, the frequency of flooding goes way, way up, very very fast. Like this:

atlantic_city_num.jpg
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LOL...

Can you say "Land Subsidence?" there are studies in that area, and several others on subsidence. What exasperates it the most, is pumping massive amounts of well water. Atlantic city relies on well water, and that's why the dramatic increase as the years pass.

The alarmists lie to us, and the ignorant followers of the AGW dogma never question their lies.

Too many unwitting fools in the world.
 
Lord of Planar said:
LOL...

Can you say "Land Subsidence?" there are studies in that area, and several others on subsidence. What exasperates it the most, is pumping massive amounts of well water. Atlantic city relies on well water, and that's why the dramatic increase as the years pass.

The alarmists lie to us, and the ignorant followers of the AGW dogma never question their lies.

Too many unwitting fools in the world.
Click to expand...

It basically all just boils down to the politics of envy draped in a newer trendier green garb. Because the red one had gone out of fashion :cool:
 
Threegoofs said:
I guess they just forgot about this critically important information when they edited the study and cleared it for publication.

Moreover, all the peer reviewers (oh, right, they're in on the plot too) must have overlooked this.

Seems like you should be sending strongly worded correction letters into PNAS rather than blabbering on DP about this.
Click to expand...

No "peer" review is a plot unto itself.
 
Poor Debater said:
It's not a matter of opinion at all. It's clearly explained
in the release notes. But since you're from Denierstan,
reading science is obviously the last thing on your mind.

Meanwhile, The Question No Denier Will Answer still remains
unanswered:

What's your recommendation? Leave a known bias in the data?
Or correct the data to remove the bias?
Click to expand...

Leave a known bias in the data?
Or correct the data to remove the bias?​

Are you sure the bias is in the data?

A few years ago sea level dropped as this note from CU's Sea Level Group says:

NASA Satellites Detect Pothole on Road to Higher Seas

While the rise of the global ocean has been remarkably steady
for most of this time, every once in a while, sea level rise hits
a speed bump. This past year, it's been more like a pothole:
between last summer and this one, global sea level actually fell
by about a quarter of an inch, or half a centimeter.
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What's interesting is their choice of words. Only if you were
a cheerleader for ever faster increasing sea level would you
refer to a slowdown as a speed bump or pothole on the road to
higher seas. Looks like there's some sort of bias at work here.

Usually people choose words like a respite, lull or maybe remission
to describe a letup of unpleasant events. But nope, it appears
that the folks who run CU's Sea Level Research Group want sea
levels to rise ever faster. The question is why?

 
Lord of Planar said:
LOL...

Can you say "Land Subsidence?" there are studies in that area, and several others on subsidence. What exasperates it the most, is pumping massive amounts of well water. Atlantic city relies on well water, and that's why the dramatic increase as the years pass.
Click to expand...

Except that the population of Atlantic City has been declining since the 1930's. Ooops. What exasperates me the most is people who get their science from blogs instead of reading the literature. Because if you had read the literature, you would already know that endogenous sea level rise is a greater contributor than subsidence, by a factor of two, in Atlantic City.

So, LOL yourself.

The Ayatollahs of Denierstan lie to you, and the ignorant followers of Denierstan dogma never question their lies.

Too many unwitting fools in the world.
 
Poor Debater said:
A new study in Proceedings of the National Academy of Sciences confirms that global sea levels are rising faster today than any time during the last 28 centuries, and that human-caused climate change is responsible for at least half of that rise.
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This is like tracking snow fall for 2 seconds during a 3 day storm and because during that 2 seconds it was the most in the last 2 minutes, concluding that we're headed into a new ice age.
 
Steve Case said:

Leave a known bias in the data?
Or correct the data to remove the bias?​

Are you sure the bias is in the data?
Click to expand...

Yes. And the question remains unanswered.

Steve Case said:
A few years ago sea level dropped as this note from CU's Sea Level Group says: ...

What's interesting is their choice of words. Only if you were
a cheerleader for ever faster increasing sea level would you
refer to a slowdown as a speed bump or pothole on the road to
higher seas. Looks like there's some sort of bias at work here.
Click to expand...

Yeah, a bias in favor of truth. Shocking. And they were right, it was just a speed bump. And do you know why they were right? Because they already knew the cause, and therefore they already knew it was temporary.
 
Lord of Planar said:
LOL...

Can you say "Land Subsidence?" there are studies in that area, and several others on subsidence. What exasperates it the most, is pumping massive amounts of well water. Atlantic city relies on well water, and that's why the dramatic increase as the years pass.

The alarmists lie to us, and the ignorant followers of the AGW dogma never question their lies.

Too many unwitting fools in the world.
Click to expand...

I suppose some will be sad to see Atlantic City go.
 
faithful_servant said:
This is like tracking snow fall for 2 seconds during a 3 day storm and because during that 2 seconds it was the most in the last 2 minutes, concluding that we're headed into a new ice age.
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That would only be true if you didn't know what causes ice ages. As it happens, climate scientists are a lot smarter than you are.
 
Global warming or climate change or climate disruption (or whatever next weeks epithet will be) is not a proven science. It has been found to have been manipulated and flawed, and it has a lower than feasible reliability to form a foundation for major changes in any country.

But rather than fix the science, the climate change supporters deny and try to demonize the “skeptics.” All this accomplishes is to turn the discussion to politics rather than to honest science. We don’t need activists, we need honest science. We must stop squandering trillions on this and start addressing the real problems facing us rather than continuing to keep indulging this expensive guilt ridden anal gazing exercise the eco mentalists want.

This whole agenda is in my view anti human envirofascism gone mad :(
 
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Poor Debater said:
Okay then, first half of the 20th century. In fact, the last 2 millenia:

24636784974_9d2da7075e_o.png


Judith Curry thinks this line is flat, too. Judith Curry is still an idiot.
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I believe Professor Curry might say your line is too flat.

Sea level has overall been rising for thousands of years; however, as the Kopp et al. paper points out, there have been century scale periods of lowering sea level in the recent millennia. It is not clear from my cursory reading as to whether meaningful decadal and multi-decadal variations in sea level can be discerned from their data.
 
Threegoofs said:
Many Roman ports are found miles inland. I've visited several, especially on the Turkish coasts.

Unlike you, scientists understand this has nothing to do with sea levels.
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Haha you don't understand anything.
 
flogger said:
It basically all just boils down to the politics of envy draped in a newer trendier green garb. Because the red one had gone out of fashion :cool:
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Like the bees.

They will blame anything they can on AGW.
 
Poor Debater said:
Except that the population of Atlantic City has been declining since the 1930's. Ooops. What exasperates me the most is people who get their science from blogs instead of reading the literature. Because if you had read the literature, you would already know that endogenous sea level rise is a greater contributor than subsidence, by a factor of two, in Atlantic City.

So, LOL yourself.

The Ayatollahs of Denierstan lie to you, and the ignorant followers of Denierstan dogma never question their lies.

Too many unwitting fools in the world.
Click to expand...

More buildings going up, less residential area. many more workers from the entire metropolitan area. You can't just count residence within the city limits. You have to count the entire metro area for those who commute to work.

I'll bet your blog didn't tell you about the daytime population increase of the metro area... It requires so much more water for an ever growing workforce.

Do you have any critical thinking skills? I said there were studies as well. The studies point to reduction of the ground water. I don't know if blogs do or not, because I don't seek the advice of blogs like you do. I already knew of subsidence, so I did appropriate searches for papers on the topic. There are several out there if you search.
 
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