Answers in genesis ice core dating, how are ice cores dated

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Yes, I will try to find out more as we go and different things are brought up, if they are, but for now, at first, why wouldn't this be an acceptable model to work with theoretically? Neither did we consider the thinning of ice layers as the tremendous weight above forces the ice at lower levels to squeeze out horizontally. So, analysis of them can tell us much about the atmosphere in the past.

How are ice cores dated

  1. Do you know if ice core dating is accurate.
  2. For me, this article ended much too soon.
  3. The amplitude of the annual oscillations slowly decreases relative to other factors, and historic markers are fewer and farther apart.

How are ice cores dated

Ice Cores and the Age of the Earth
Dating methods are not independent
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In fact, there are good reasons to believe that the ice cores are revealing important information about conditions following the Flood of Genesis and the recent formation of thick ice sheets. This would also account for what is seen in the ice cores. The oxygen isotopes in ice cores are used to date the cores due to the seasonal variations. Volcanic eruptions are useful to glaciologists as a check on the other ice core dating techniques. Thus, to obtain an ice core from which accurate, detailed dating can be derived, we need to find an Antarctic site where the snow accumulation is relatively high.

Antarctica is the coldest, windiest, highest and driest continent on Earth. Conductivity shows an annual cycle and is higher in the summer snow than the winter snow. As far as science is concerned, they are meaningless. That is only if you are presuming many thousands of years. He said that it didn't but that the weight of the ice actually depressed the land.

The Creation Answers Book. It amazes me that you feel freely qualified to propose answers to questions where you aren't. Response to Helen from Joe Meert It amazes me that you feel freely qualified to propose answers to questions where you aren't. An alternative model of recent glacier formation following the Flood described in Genesis will be suggested.

Before I begin, I want to mention that the dating and the article are done with the presupposition of both long ages and not only uniformitarianism but gradualism. If you know of more data and other articles online, new york singles please let me know. This was an ice age period.

Rocks Ice Cores and Bill Nye

To their disappointment, the huge bomber was crushed and mangled, single dating london events beyond worthwhile salvage. This is possible because of the large precipitation rates in Greenland and the preservation of the annual effects. Do they cause a problem for the recent-creation model of earth history?

This can be easily done by measuring the quantities of other chemicals of marine origin. The would cause the massive winds that seek to equalize the temperatures. Second Response from gallo I spent a year in Greenland Thule and went up onto the cap a few times. So if the aircraft had indeed moved through the ice, they would all have been found in the same nose-down position. High concentrations of dust occur at the same times as the colder periods shown on the temperature graph.

A question of starting assumptions

At any rate, he talked about the seasonal layers in the ice. Secondly, it is presumed that the variations in temperatures are correlative to summer and winter variations. However, the wire sinks through the ice in the experiment only if it is done at room temperature. On the other hand, belief in deep time may be internally reinforcing, but has no external reference point. As usual, it is not the facts which speak against the Biblical account of a recent creation, sri lanka dating etiquette but the mindset of our culture.

Rocks Ice Cores and Bill Nye

Ice Cores and the Age of the Earth

Missoula Flood Controversy. None of the authors you mention have had any training in stable isotopes, so there word is as good as yours. The purpose of my response was to present the idea that data can be interpreted different ways by different people. While there I had the opportunity to talk to a team of scientists who were loading supplies in order to head back out onto the cap. From that one can examine such things as precipitation and overall climatic change.

It is true that the pressures involved would not cause the planes to descend through the ice but there is a simpler and more visual way to determine whether this has happened or not. This method would be reasonably reliable if precipitation rates had been similar in the past. And the only way they have of estimating melt rate is to take what we have today and presume it has been that way for a very long time. That ratio may be good only to indicate the climate at the time of snowfall.

This corresponds with the rapid rise in temperature which melted the ice. It is not uncommon to read that ice cores from the polar regions contain records of climatic change from the distant past. Life in the Great Ice Age.

About Bethan Davies

Please explain in more detail about oxygen isotopic record. As we move to the left in graph two, or toward the present, 40 days of dating ended there is a sudden rise in the dust factor. It is like numerical analysis in which a first guess is required to begin and then successive computer iterations change the first guess somewhat to arrive at hopefully the correct answer.

A question of starting assumptions

At any rate, the story invented to make the mythology of the Bible seem reasonable requires that you claim different causes. This shows the importance of where we start. We are in an inter-glacial now. Dejected, the pair returned home. Sulphate also exists in sea salt which is deposited on the ice sheet in small quantities from wind-blown sea spray.

The article mentioned sun light also but that could only account for several feet until it was blocked out. In this scenario, annual ice layers would be on the order of metres. The confidence in the chronology becomes less the lower in the ice sheet one goes, however. On the other hand, uniformitarians start with an assumption of great age, generally stable conditions and Milankovitch orbital cycles to create ice ages. This article will show that the great ages reported for the bottom layers of ice sheets depend on assumed models of past climate and are not the result of direct counting of layers.

Thank you for finding this one, Dire Puppy. If that were the case, faith would not be faith, but simply a logical conclusion. The flow model then provides the first guess for the annual layer counting.

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Love it keep up the good work! These layers can be counted only so far down because the weight of the ice compresses the layers more and more the deeper they are in the ice. What is does is just reinforce what I already know my Lord has taught me!

The Institute for Creation Research

Ice Core Dating

The Smithsonian Institution in Washington D. It is also possible with a high degree of accuracy to cross check the counting of annual layers with occasional peaks in acidity and particulates from the fallout of historic volcanic events. Heading east over the polar icecap, they ran into a massive blizzard.

  • The Greenland ice sheet averages almost feet thick.
  • Was there an ice age in earth history?
  • Measuring the delta value at many depths through the ice core is equivalent to measuring the air temperature at many times in the past.
  • If the snow was to melt at any time during the year, some measurements such as those involving trapped gases would be spoiled.
  • There is no evidence that the ice layers going down for several thousand years were formed for any other reasons than those we know to be in effect today.
Explaining the science of Antarctic glaciers
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