F B Knox
Biographic Data
| ID | 5597240 |
|---|---|
| NAME | F B Knox |
| GIVEN NAMES | F B |
| FAMILY NAME | Knox |
| SIGNATURE | KNOX F B |
| VERIFIED | No |
| TOTAL WORKS | 4 |
| TOTAL CITATIONS | 35 |
| WORKS AS AUTHOR | 4 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 1994 |
| LATEST PUBLICATION YEAR | 2004 |
| H-INDEX | 3 |
Radiocarbon/Tree-Ring Calibration, Solar Activity, and Upwelling of Ocean Water
Least-squares fitted smooth curves to radiocarbon versus tree-ring calibration data for the period AD 1140 to 1950 are compared with climatic warming and cooling of the North Atlantic (Little Ice Age), and with recorded sunspot numbers over the period AD 1670 to 1950. Calibration curves from different parts of the globe are not identical, and appear to be determined by a combination of variable solar activity and variable oceanic upwelling of 14 …
Least-Squares Fitting Smooth Curves to Decadal Radiocarbon Calibration Data from AD 1145 to AD 1945
Smoothed curves are least-squares fitted to three sets of decadal radiocarbon calibration data from New Zealand and British Isles (AD 1725–1935) and western North America (AD 1145–1945). The curves are compared with each other and with a curve previously calculated from New Zealand data (AD 1335–1745). The smoothing procedure results in reduced standard deviations of the curves, but at the expense of time resolution. The comparison shows a variab…
Least-Squares Fitting A Smooth Curve to Radiocarbon Calibration Data
We Fourier transformed and filtered calibration curve data to compensate for the averaging effect of radiocarbon-dating sets of adjacent tree rings. A Wiener Filter was also applied to minimize the effects of the counting errors of the dates on the resulting calibration curve and to produce a least-squares curve through the data. The method is illustrated using a short 14 C-dated tree-ring sequence from New Zealand to produce a calibration curve …
Radiocarbon Calibration Curve Variations and Their Implications for the Interpretation of New Zealand Prehistory
The shape of a distribution of calibrated 14 C dates displays spurious peaks and troughs, brought about by changes in the slope of the calibration curve interacting with the spreading effect of the stochastic distribution of counting errors. The distortion results in a positive correlation between the numbers of dates per calendar year and the slopes of the calibration curves, for assemblages of archaeological dates from such widely separated are…
Radiocarbon Calibration Curve Variations and Their Implications for the Interpretation of New Zealand Prehistory
The shape of a distribution of calibrated 14 C dates displays spurious peaks and troughs, brought about by changes in the slope of the calibration curve interacting with the spreading effect of the stochastic distribution of counting errors. The distortion results in a positive correlation between the numbers of dates per calendar year and the slopes of the calibration curves, for assemblages of archaeological dates from such widely separated are…
Least-Squares Fitting Smooth Curves to Decadal Radiocarbon Calibration Data from AD 1145 to AD 1945
Smoothed curves are least-squares fitted to three sets of decadal radiocarbon calibration data from New Zealand and British Isles (AD 1725–1935) and western North America (AD 1145–1945). The curves are compared with each other and with a curve previously calculated from New Zealand data (AD 1335–1745). The smoothing procedure results in reduced standard deviations of the curves, but at the expense of time resolution. The comparison shows a variab…
Least-Squares Fitting A Smooth Curve to Radiocarbon Calibration Data
We Fourier transformed and filtered calibration curve data to compensate for the averaging effect of radiocarbon-dating sets of adjacent tree rings. A Wiener Filter was also applied to minimize the effects of the counting errors of the dates on the resulting calibration curve and to produce a least-squares curve through the data. The method is illustrated using a short 14 C-dated tree-ring sequence from New Zealand to produce a calibration curve …
Radiocarbon/Tree-Ring Calibration, Solar Activity, and Upwelling of Ocean Water
Least-squares fitted smooth curves to radiocarbon versus tree-ring calibration data for the period AD 1140 to 1950 are compared with climatic warming and cooling of the North Atlantic (Little Ice Age), and with recorded sunspot numbers over the period AD 1670 to 1950. Calibration curves from different parts of the globe are not identical, and appear to be determined by a combination of variable solar activity and variable oceanic upwelling of 14 …
Radiocarbon Calibration Curve Variations and Their Implications for the Interpretation of New Zealand Prehistory
The shape of a distribution of calibrated 14 C dates displays spurious peaks and troughs, brought about by changes in the slope of the calibration curve interacting with the spreading effect of the stochastic distribution of counting errors. The distortion results in a positive correlation between the numbers of dates per calendar year and the slopes of the calibration curves, for assemblages of archaeological dates from such widely separated are…
Least-Squares Fitting A Smooth Curve to Radiocarbon Calibration Data
We Fourier transformed and filtered calibration curve data to compensate for the averaging effect of radiocarbon-dating sets of adjacent tree rings. A Wiener Filter was also applied to minimize the effects of the counting errors of the dates on the resulting calibration curve and to produce a least-squares curve through the data. The method is illustrated using a short 14 C-dated tree-ring sequence from New Zealand to produce a calibration curve …
Least-Squares Fitting Smooth Curves to Decadal Radiocarbon Calibration Data from AD 1145 to AD 1945
Smoothed curves are least-squares fitted to three sets of decadal radiocarbon calibration data from New Zealand and British Isles (AD 1725–1935) and western North America (AD 1145–1945). The curves are compared with each other and with a curve previously calculated from New Zealand data (AD 1335–1745). The smoothing procedure results in reduced standard deviations of the curves, but at the expense of time resolution. The comparison shows a variab…
Radiocarbon/Tree-Ring Calibration, Solar Activity, and Upwelling of Ocean Water
Least-squares fitted smooth curves to radiocarbon versus tree-ring calibration data for the period AD 1140 to 1950 are compared with climatic warming and cooling of the North Atlantic (Little Ice Age), and with recorded sunspot numbers over the period AD 1670 to 1950. Calibration curves from different parts of the globe are not identical, and appear to be determined by a combination of variable solar activity and variable oceanic upwelling of 14 …
Archaeology and ancient environmental studies (4 works) · Calibration (4 works) · Geology (4 works) · Radiocarbon dating (4 works) · Calibration curve (3 works) · Geology and Paleoclimatology Research (3 works) · Mathematics (3 works) · Paleontology (3 works) · Statistics (3 works) · Climatology (2 works)