[AT] Test

[charlie hill]

You are correct about that Farmer, in fact there is a slight difference,
a foot or so I think, in the elevation of the Pacific over the Atlantic.
I don't remember which is higher.  That is caused by the currents and the
choke points where the two oceans meet and the effect of the earths 
rotation.
Yes flows affect water level
at times and in places but the ocean is NOT 2 feet higher in Maine than
it was 30 years ago and the same height in North Carolina.  Of course
you have to account for tides due to the moon and sun and the tide rise
is higher up north and way down south than it is nearer the equator but
that isn't what I'm talking about.  I'm talking about permanent changes
in mean high tide in one place and not in the other.  It can't happen. 
Sooner or later the
water will flow out and equalize and it doesn't take years.   As for those
islands that are disappearing.  I contend that they are sinking in the ocean
or eroding away.  Remember the land mass does move around and the
tectonic plates are constantly but slowly moving but the water flows free
of the land masses.  If it does happen it's because something has changed
about the land masses elevation or possibly the magnetic field of the earth
has shifted and affected how the water stacks up.  In other words the shape
of the earth changes, as you said.  It's not because of "global warming".

The other thing that amuses me is all of this stuff about the sea level 
rising
because ice bergs are melting.  CAN'T happen!  A floating body displaces 
it's mass
in a liquid.  If the floating body is the same liquid only frozen, when it 
melts it's mass changes to that
of the liquid form and it displaces the the volume of the "hole" it was 
floating in.  Try it,
put an ice cube in a glass and fill the glass all the way to the rim with 
water so that the
tip of the ice cube is sticking above the glass.  Watch it melt.  If you 
don't tip it or disturb it
all of the water will be contained in the glass and not a drop will spill 
over the edge.   That also applies
to the chunks of ice that "calf" off of Antarctica.  The only melting ice 
that can raise the sea levels
is that which is supported by dry land.

I'll leave this alone and get back to tractors.

Charlie

-----Original Message----- 
From: Indiana Robinson
Sent: Sunday, December 06, 2015 6:17 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Test

Hi Charlie:
Here is a pretty simple explanation that shows that the situation is not
simple.
:-)
Round is subjective as far as the earth. I was recently reading about low
Indonesian islands that had a maximum elevation of maybe 4 to 6 feet that
are now underwater full time. Their island count is going down. On the
other hand in some parts of the world some mountain tops in the ocean are
said to be sticking up a little that didn't use to.
The ocean does not just lay there, most of it is moving all of the time
with very strong currents much like a big river. We have all seen flooded
roads where you could see that the water on the upstream side of the road
was maybe a foot higher than on the down stream side of the road.
I have 17 acres of river in the next county that as you look at it it looks
pretty flat but the water flows. I know from several land surveys that the
river actually drops over 10' in the length of my property (was a water
powered grist / sawmill site).

http://www.johnenglander.net/sea-level-rise-blog/sea-level-not-same-everywhere-300-foot-variation



-- 

Francis Robinson
aka "farmer"
Central Indiana USA
robinson46176 at gmail.com
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