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Originally posted by CLPrime
reply to post by superman2012
Ice is 9% less dense than water. If you have 1.09 m^3 of ice, with a mass of 1 metric ton, this will melt to give about 1 m^3 of water, also weighing a metric ton. However, if you have 1.09 m^3 of ice floating in water, only 1 m^3 of it will be submerged... the remaining 9% will protrude from the water. This means that only 1 m^3 of water has been displaced. Then, if the 1.09 m^3 of ice melts, it will turn into 1 m^3 of water, which will fill the void perfectly, and will lead to no net increase in water level.
The melting of ice already in the ocean will not contribute to rising sea levels.
Originally posted by superman2012
For a pipe to cause a sinkhole it would have to go unchecked for quite some time. If this is the case, most water plant operators will notice a spike in the amount of water going out of the water plant, not to mention a lowering of water pressure in the pipes. I can see your point if it is a little leak, or a poorly managed infrastructure, but, this cannot account for all the sinkholes. What about the one on the Australian beach?
Originally posted by superman2012
For a pipe to cause a sinkhole it would have to go unchecked for quite some time. If this is the case, most water plant operators will notice a spike in the amount of water going out of the water plant, not to mention a lowering of water pressure in the pipes.
The area around the one at the Australian beach has had similiar events in the past. However, if there wasn't a video of it occuring, chances are you would never have heard about it. See how increased technology and comunication can lead to an increase in reports of situations, without necessarily being an actual increase in the events? Of course sink holes have always happened naturally, but they would never have been reported on quite as much as they are now.
Originally posted by superman2012
I can see your point if it is a little leak, or a poorly managed infrastructure, but, this cannot account for all the sinkholes. What about the one on the Australian beach?
If a leak occurs in a sewerage pipe, or a storm water drain, it will not be metered, and therefore will go unnoticed. This has happened before and caused sinkholes. We can expect to see more of these as our sewer systems age.
Originally posted by OccamAssassin
Originally posted by superman2012
For a pipe to cause a sinkhole it would have to go unchecked for quite some time. If this is the case, most water plant operators will notice a spike in the amount of water going out of the water plant, not to mention a lowering of water pressure in the pipes. I can see your point if it is a little leak, or a poorly managed infrastructure, but, this cannot account for all the sinkholes. What about the one on the Australian beach?
I didn't say it accounted for "all" of the sinkholes. If you go back and read my post I stated that plumbing problems account for a "large majority".
Originally posted by Phage
Yes.
Increasing sources and access to information, in particular the internet.
That, and increasing population.
North Magnetic Pole Is Shifting Rapidly Toward Russia
==========================================
New research shows the pole moving at rapid clip—25 miles (40 kilometers) a year.
Over the past century the pole has moved 685 miles (1,100 kilometers) from Arctic Canada toward Siberia, says Joe Stoner, a paleomagnetist at Oregon State University.
At its current rate the pole could move to Siberia within the next half-century, Stoner said.
"It's moving really fast," he said. "We're seeing something that hasn't happened for at least 500 years."
Forgiven So I hope you can forgive me for taking long to respond, I must have missed this. Correct, I asked for a source which agreed with the claims you were making. Yet this shows exactly the same thing as the previous source. An increase in the reporting of volcanic eruptions. As your previous source stated, this does not mean an increase in volcanic activity. I elaborated on the reasons for this in my previous posts. You claim to be reading the articles, but I'm not sure if you're not comprehending them, or just ignoring the bits that don't agree with you.
Originally posted by LiveEquation
reply to post by Curious and Concerned
You will forgive me for taking so long to respond...I just got back from DC and it was a painful drive. I read that you asked for more sources...
[atsimg]http://files.abovetopsecret.com/images/member/f38297908095.gif[/atsimg]
Originally posted by LiveEquation
(I also provided a link to research that sheds light on correlation between seismicity and volcanic activity)
The trend is up. My understanding is that volcanic activity is 'quasi' seismic activity and "quasi" tectonic plate movement.
One of the figures i showed earlier depicted an increase in seismic events...thus it should not be a surprise that volcanic activity has gone up.
USGS
The USGS estimates that several million earthquakes occur in the world each year. Many go undetected because they hit remote areas or have very small magnitudes. The NEIC now locates about 50 earthquakes each day, or about 20,000 a year.
As more and more seismographs are installed in the world, more earthquakes can be and have been located. However, the number of large earthquakes (magnitude 6.0 and greater) has stayed relatively constant.
Originally posted by LiveEquation
Another piece of the puzzle is that the north pole has also shifted drastically this century.
the source is at
news.nationalgeographic.com...
Not a Reversal
The shift is likely a normal oscillation of the Earth's magnetic field, Stoner said, and not the beginning of a flip-flop of the north and south magnetic poles, a phenomenon that last occurred 780,000 years ago.
Such reversals have taken place 400 times in the last 330 million years, according to magnetic clues sealed in rocks around the world. Each reversal takes a thousand years or more to complete.
"People like to think something special is happening in their lifetimes, but despite the dramatic changes, I don't see any evidence of it," Stoner said. "It's probably just a normal wandering of the pole."