There is also the problem of pressure systems carrying volcanic plumes several hundred kilometers to station locations.
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'We believe it is possible that neutron emissions by earthquakes could have induced the image formation on the Shroud's linen fibres, through thermal neutron capture on nitrogen nuclei, and could also have caused a wrong radiocarbon dating,' said Professor Alberto Carpinteri, from the Politecnico di Torino. Other scientists have previously suggested that neutron radiation may have been responsible for the ghostly image of a crucified man with his arms crossed.
However, no plausible explanation has been offered for the source of the radiation until now.
Criteria are presented for the identification of diagenetic alteration of carbon and nitrogen isotope ratios of bone and tooth collagen prepared by a widely used method.
Measurements of collagen concentrations in tooth and bone, atomic C: N ratios, and carbon and nitrogen concentrations in collagen of 359 historic and prehistoric African humans, and modern and prehistoric East African non-human mammals are described.
Use of purification procedures that remove acid- and base-soluble contaminants and particulate matter (carbonates, fulvic acids, lipids, humic acids, sediments and rootlets) are recommended.
Wider adoption of these procedures would insure comparability of results between laboratories, and permit independent and objective evaluation of sample preservation, and more precise dietary, climatic, and habitat interpretations of collagen isotopic analyses.
Based on this brief literature survey, we may conclude that volcanic CO is exclusively anthropogenic.
If we neglect to ask how the greenhouse effect of various gases is quantified in terms of real, measurable thermodynamic properties, the idea of anthropogenic global warming may well survive long enough for us to ask how the carbon budget establishes that observed increases in CO is one of the lightest volatiles (materials of relatively low melting point), found in the mantle (Wilson, 1989).
Although you might imagine that there is no air in the mantle, the chemical conditions favour oxidation, and shortages of oxygen ions are rare enough to ensure a strong presence of CO rather than a representative sample of the Troposphere.