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Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted

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In sci.physics Thomas Heger <ttt_heg@web.de> wrote:
> Am 25.07.2015 18:59, schrieb Fritz K?hler:
>> Sam Wormley wrote:
>>>     New paper by prominent scientists suggests ocean levels will rise
>>>     much faster than predicted
>>>> http://phys.org/news/2015-07-paper-prominent-scientists-ocean-
>> faster.html
>> So what, is this bad too?? More water can't be bad. Gives more fish. Fish
>> taste good, cod liver oil enough to everybody.
> Well, that's not true: higher sea levels do not give more fish.
> Reason: the level of water above the sea floor is (on average) very 
> large. If this distance would increase a few centimetre, this wouldn't 
> extend the living space for fish significantly.
> But the sea levels are falling (on average), by a rate of about 4m per 
> millennium.
> This could be estimated from the current lake near the Airport 
> Fiomicino. The Lake Tiberius was formerly the harbour of Rome, but is 
> now 8m above sea level.

Unfortunately your musing don't correlate well with regognised
publications. E.g. the Med SLR reconstruction for the past 150ky is 
<http://www.skepticalscience.com/pics/nature11593RapidCoupling.jpg>
(the blue line in lower panel)

This seems to show SL in the Med rose by 4m over the past 25k
years and within the last 1k seems to have flat-lined.

Fimicino is still on the coastline and the city fathers record it
as 1m above sea level.

The port of Hobart, Tasmania, is 10-40m above sea level yet ships 
reach it from the sea every day.

The upper reaches of the Mississippi are 100m above sea level, yet
it could be reached by ship from the sea before various straightening
and lock-building exercises were carried out in the 19th and 20th cent.


> Since the harbour had sea-level at the time of ancient Rome (roughly 
> 2000 years ago), the sea-level has fallen by 8 m in 2000 years or 4 m in 
> a millennium.
> Other ways to estimate the same results would be:
> - analysing the age of corals on the current land of atolls
> - determine the age of marine fossils on mountains
> - hight of ancient harbours above the sea
> - age of ocean-related human artefacts in current mountains


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Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted Fritz Köhler <fritzk@notrenetwork.net> - 2015-07-25 16:59 +0000
  Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted Fritz Köhler <fritzk@notrenetwork.net> - 2015-07-25 17:01 +0000
  Re: New paper by prominent scientists suggests ocean levels will   rise much faster than predicted Thomas Heger <ttt_heg@web.de> - 2015-07-26 09:06 +0200
    Re: New paper by prominent scientists suggests ocean levels will   rise much faster than predicted R Kym Horsell <kym@kymhorsell.com> - 2015-07-26 07:53 +0000
      Re: New paper by prominent scientists suggests ocean levels will     rise much faster than predicted Thomas Heger <ttt_heg@web.de> - 2015-07-29 03:47 +0200
        Re: New paper by prominent scientists suggests ocean levels will       rise much faster than predicted Thomas Heger <ttt_heg@web.de> - 2015-08-01 05:24 +0200
    Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted Poutnik <poutnik4nntp@gmail.com> - 2015-07-28 23:03 +0200
      Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted jimp@specsol.spam.sux.com - 2015-07-28 21:22 +0000
  Re: New paper by prominent scientists suggests ocean levels will rise much faster than predicted John Gogo <jfgogo22@yahoo.com> - 2015-07-31 20:55 -0700

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