Article

2007-03-13 Science & Technology

Archived material is restricted to Rantburg regulars and members. If you need access email fred.pruitt=at=gmail.com with your nick to be added to the members list. There is no charge to join Rantburg as a member.

Posted by Fred 2007-03-13 00:00|| || Front Page|| [11131 views since 2007-05-07] Top

#1 Sea levels, rising at 1 millimetre a year before the industrial revolution

That statement blew my scepticism meter.

Posted by phil_b 2007-03-13 00:36|| 2007-03-13 00:36|| Front Page Top

#2 The claimed rate is just slow enough that we'll all be dead before we notice that Florida is still above water. It's a beautiful scam that can be kept up indefinitely.

Posted by PBMcL 2007-03-13 01:23|| 2007-03-13 01:23|| Front Page Top

#3 3 mm/yr is about a foot per century. The water outside my window goes up and down 10 feet twice a day. Such balderdash.

Posted by KBK 2007-03-13 01:51|| 2007-03-13 01:51|| Front Page Top

#4 To link to the movie 300, I don't recall anybody -scientists, other 'Perts, Radical Enviros or even non-Radical enviros - complaining during the 1960's-Present about how the sea levels around THERMOPYLAE were much Much M-U-C-H lower than now [See HISTORY CHANNEL scale computer depiction of battle + battlefield].

Posted by JosephMendiola 2007-03-13 01:53|| 2007-03-13 01:53|| Front Page Top

#5 KBK, for Christ's sake!
It will be rising and falling exactly 10.0098 feet a day by next year! ~~Run~~ Swim for your life!!!!

Posted by bigjim-ky 2007-03-13 07:58|| 2007-03-13 07:58|| Front Page Top

#6 "3 mm/yr is about a foot per century. The water outside my window goes up and down 10 feet twice a day. Such balderdash"

And if the rate of increase, which has gone up since the Ind Rev, holds at 3 MM per year, things shouldnt be too bad. But its the second derivate, not mentioned in the article, that matters.

2. Yeah, theres plenty of day to variability. So what? Tuscon Arizona has more rain on its rainiest day of the year, than say, Philadelphia has on its driest. Doesnt mean there isnt an important difference between Tuscon and Philly.
Would you pay as much for a house with a basement that leaked, say, 10 times a year, as one that leaked 1 time a year? Would a lawn that turned swampy 10 times a year be as good for you as one that did so 1 time a year?

Posted by liberalhawk 2007-03-13 09:53|| 2007-03-13 09:53|| Front Page Top

#7 Does anyone here really believe that we have the technology to actually measure a 2mm change in sea level? The sea is in motion constantly and the waves are of varying heights and then there is the tide.

Until someone can prove that this level of precision is possible for a system as dynamic as the ocean I call bull!!

Not to mention the "knowledge" of a 1mm sea raise/year pre IR.

Posted by AlanC">AlanC 2007-03-13 10:06|| 2007-03-13 10:06|| Front Page Top

#8 wiki is your friend

Posted by liberalhawk 2007-03-13 10:37|| 2007-03-13 10:37|| Front Page Top

#9 http://en.wikipedia.org/wiki/Sea_level

Posted by liberalhawk 2007-03-13 10:37|| 2007-03-13 10:37|| Front Page Top

#10 There was nothing at your link which discussed the precision. Averaging something over that time span and saying it's 2mm a year is dicey at best.

Also, if you look at the graphic that goes back to the Ice Age we are running quite flat for changes and it is noted that the sea level is near a non-Ice Age low so there's not much change probable other than up.

There is nothing there that supports AGW.

PS I doubt that a 2mm difference is relevant to a pilot.

Posted by AlanC">AlanC 2007-03-13 10:57|| 2007-03-13 10:57|| Front Page Top

#11 I wonder if this takes into account coastline erosion.

Posted by Anon4021 2007-03-13 11:07|| 2007-03-13 11:07|| Front Page Top

#12 AlanC. : We have the knowledge and the technology to measure a 3MM rise in sea-levels, before the Industrial revolution they did however have absolutely, definetly , no way Jose, Not a whelks chance in a supernova to measure any rise whatsoever in afore-mentioned sea-levels.

Complete bullshit.

Posted by Harry Thinelet8011 2007-03-13 11:25|| 2007-03-13 11:25|| Front Page Top

#13 HT okay. But how many measurements are taken?

Reading the article to which LH linked there is a wide disparity in sea levels around the globe. "It varies globally in a range of ±2 m."

"For instance, mean sea level at the Pacific end of the Panama Canal stands 20 cm higher than at the Atlantic end."

Even assuming that we can measure 2mm is it significant in such a system? And, can those variations be moving around? Just too many variables and too little data. Has every measurement done increased?

This smells suspiciously like the heat island effect, or at least a great opportunity for data fudging.

Posted by AlanC">AlanC 2007-03-13 11:54|| 2007-03-13 11:54|| Front Page Top

#14 MAN, You guys don't have enough to do!

Posted by Skidmark 2007-03-13 20:36|| 2007-03-13 20:36|| Front Page Top

#15 39mm equals one inch,
1 mm equals.0025641 inches (That's Two and one half THOUSANDTHS of an inch
3mm equals .0076923 or rounded Eight THOUSANDTHS of an inch
For comparison a human hair is between One and a half Thousandths and two THOUSANDTHS thick.

So the total rise claimed in is about 5 human hairs a year. (Gawd, everybody panic now.)

Posted by Redneck Jim 2007-03-13 20:38|| 2007-03-13 20:38|| Front Page Top

#16 RJ, Better ask for a refund on 5th grade math.

There's about 25mm/inch, though there are about 39 inches/m. So one mm is .04 inches and 3mm is about .12 inches. I don't recall ever learning the width of a hair. The whole metric thing is commie. It's from France.

Posted by Nimble Spemble 2007-03-13 20:51|| 2007-03-13 20:51|| Front Page Top

#17 RJ, that is just plain WRONG. Go look up the units. One inch is 25.4 millimeters. One meter is 39.37007874 inches.

Posted by Dave D.">Dave D. 2007-03-13 21:18|| 2007-03-13 21:18|| Front Page Top

#18 Ask any harbormaster how much sea level has changed in the last 20 years. Zilch Zero Nada.

BTW Zilchmm = Zeroinches = Nadagrads.

Posted by john">john 2007-03-13 22:33|| http://john-smokegetsinmyeyes.blogspot.com/]">[http://john-smokegetsinmyeyes.blogspot.com/] 2007-03-13 22:33|| Front Page Top

23:52 USN, ret.
23:51 JosephMendiola
23:30 Old Patriot
23:28 RD
23:23 JosephMendiola
23:07 anonymous2u
23:05 JosephMendiola
22:58 anonymous2u
22:54 john
22:48 Barbara Skolaut
22:48 RD
22:48 trailing wife
22:45 Barbara Skolaut
22:41 RD
22:36 Elmolutle Phiger5201
22:34 Cyber Sarge
22:33 john
22:28 john
22:19 Mike
22:16 john
22:09 john
21:55 john
21:53 49 Pan
21:47 Alaska Paul