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Search results for: dendrochronolog* in all categories
128 results found.
13 pages of results.
1. Should the European Oak Dendrochronologies be Re-examined? [Journals] [SIS Review]
... From: SIS Chronology & Catastrophism Review 1991 (Vol XIII) Home | Issue Contents Should the European Oak Dendrochronologies be Re-examined?By Jesse E. Lasken Jesse E. Lasken has an A.B . (with Honors) in Economics from the University of Michigan (1963), J.D . from the University of Michigan ... (Munro, 1984 and Wigley et al., 1987). It has also been argued by Yamaguchi (1986) that CROS and other similar computer programs used by dendrochronologists routinely yield multiple matches. Even though one of the principal authors of the Irish oak chronologies has written that dendrochronology is not going to work' if incorrect ring matches ...
2. Decades Of Darkness And Dendrochronology [Journals] [Velikovskian]
... From: The Velikovskian Vol 4 No 4 (1999) Home | Issue Contents PART IV Decades Of Darkness And Dendrochronology Charles Ginenthal "And the light shineth in the darkness; and the darkness comprehended it not" John I:1 In Part 3 of Mewhinney's paper he raises an important issue related to Velikovsky's thesis, namely decades of ... they could survive such conditions as Velikovsky describes. In any case, it is not just a question of bristle cone pines. `By cross-matching records from nearby sites, dendrochronologists in western Europe have built up a continuous overlapping master chronology of oak trees covering more than 7,000 years .. .. Unlike bristlecone pines, oak trees ...
3. Review: A Bronze Age Disaster. Exodus to Arthur: Catastrophic encounters with comets, by M.G.L. Baillie [Journals] [SIS Review]
... and dispassionately, stating squarely when he disagrees with him but crediting him for initiating much current research. The first two chapters provide a highly readable summary of the development of dendrochronology and form a good introduction to the subject. However as soon as Baillie strays from his own speciality, things go awry. - As an attempt at interdisciplinary scholarship ... present, is unlikely to pique the interest of archaeologists with its laboured speculations on Stonehenge. Mike Baillie's Exodus to Arthur is a different matter. It is written by a dendrochronologist who works in archaeology (rather than an astronomer) and, further, one who has been acquainted with the SIS for several years. With his broad ranging contacts ...
4. Scientific Dating Methods In Ruins [Journals] [Velikovskian]
... the established chronology. (3 ) What Stiebing offers, in part, to refute the historical revisions, are four scientific dating methods: radiocarbon (C-14) dating, dendrochronology, thermoluminescence and stratigraphy. These methodologies are, according to Stiebing, in full agreement with the established chronology and, therefore, cannot be invoked to support major revisions ... of tree rings in ancient trees, where one cannot know whether the causative factor for these narrower rings is climate, insects, disease, or mechanical damage? Only a dendrochronologist can determine the difference, if he or she knows the climate conditions year by year. Without such knowledge, analysis is simply guess work! This applies, specifically ...
5. Radiocarbon Dating and Velikovskian Catastrophism [Journals] [Pensee]
... , then the radiocarbon method can be calibrated by this means to give absolute, rather than merely relative, dating. The independent dating method most promising for this purpose is dendrochronological (tree-ring) dating of bristlecone pines (3 ). However, the reliability of this method has not been verified (4 ). Moreover, the irregular climatic ... .) . Clearly, data from the current calibration curves are required for evaluation. Figure 1. Y-axis: measured C13/Cl2 ratio (in per mil) of dendrochronologically-dated bristlecone pine samples. X-axis: dendrochronological date. Note: the ratios of 43 samples of post-1850 wood are represented by their average value. Error in measurement is shown ...
6. Letters [Journals] [SIS Workshop]
... world chronology' red herring (C &C Workshop 1994:1 p. 20). I have tried to make clear to various people that attempting to discredit European dendrochronology is an uphill task because of the replicated nature of the system. If two scientists get the same answer in an experiment, then anyone disagreeing with that answer has ... one option - redo the experiment. In our case, dendrochronologists have not only replicated the oak chronologies, they have independently replicated the bristlecone chronologies. Moreover, dendrochronology is not static. As time goes on, more and more chronologies are built/extended. For example, the overlaps shown in JACF 4 p. 17 Fig. 2 ...
7. Buried Forests [Journals] [Velikovskian]
... buried forests. A few points before moving on. Dendrochronologists maintain that this dating procedure gives absolute dates, meaning precise year dates. However, I doubt this because a dendrochronological test was carried out on living trees by the Ontario Ministry of the Environment of Canada between 1984 through 1990. The Ministry wanted to evaluate the damage of acid rain ... by a catastrophic flood of unparalleled size as compared with those that occur today. The time the tree grew is unquestionably during the hipsithermal. It is these very trees that dendrochronologists have used to claim the ages of these forests back to 8,000 years ago. Nevertheless, there is much more evidence of buried forests on the mainland of ...
8. Recent Developments in Near Eastern Archaeology [Journals] [SIS Review]
... , while preferring a 17th century date, by no means rules out their date in the 16th century (due to a wiggle in the calibration curve). The Irish dendrochronological aberration at 1628BC has not been proven to relate to Thera. Bietak in his new book Avaris... (British Museum, 1996) is scathing about the ... fixed the 1500 year floating' section by identifying a particular major growth anomaly as caused by Thera. This point on the floating chronology he then fixes at 1628BC - the dendrochronologists' preferred date for Thera. Although the event caused narrow rings in Ireland, it caused wide ones in Anatolia, which Kuniholm explains as due to increased summer precipitation ...
9. Recent Developments in Near Eastern Archaeology [Journals] [SIS Review]
... be wrong. At present it seems that we can not rely on anything from ice-cores in the BC period but the on-going research is very interesting. Since the 1628 BC dendrochronology event now looks unlikely to relate to Thera, the scientific and archaeological communities will presumably have to accept a date c. 1525BC (time of Ahmose, first pharaoh ... 457). Now that Tatarli is downdated 80 years, so are the Heraion objects and their artistic style. Baillie's Dendrochronology Although not strictly speaking Near Eastern, the Belfast dendrochronology's part in constructing the calibration curve very much affects Near Eastern dates. In the past I have criticised the low t-values used to statistically link dendrochronologies around the British Isles ...
... , a calibration curve of real time vs. calculated time can be made for thousands of years. The process is based on the techniques and theories of tree-ring dating (dendrochronology) which have been developing since the early part of this century. Most people are familiar with this process. Anyone who ever chopped down a small tree or picked ... the method sounds quite reasonable. However, Sorensen points out that there are three practical difficulties in the implementation of the method. First distinctive patterns are not as common as dendrochronologists might wish. In order to have a distinctive pattern, a tree must have grown during a time when distinctive Climatic variations occurred, and it must have been sensitive ...
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