Radiocarbon dating revolutions in understanding

11-Dec-2015 18:33 by 6 Comments

Radiocarbon dating revolutions in understanding - Free Online

IOSACal reads calibration curves in the common .14c format used also by other programs.Should you have calibration data in another format, it would be easy to either convert them to that format or modify the source code of IOSACal to adapt it to your needs.

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Calibration curves, radiocarbon dates and calibrated curves are handled internally as ndarray objects, making it ridiculously easy to manipulate and plot them.A radiocarbon date is represented by a “conventional radiocarbon age” in years BP (before present, that is before 1950 AD) and a measurement error, like 2430±170.The combination of these two values is a numerical representation of a laboratory measure performed on the original sample.The main task of the calibration process is to convert this measure into a set of calendar dates by means of a calibration curve.Users of IOSACal can choose whether they want results as a plot, a short textual summary or both (the plot includes the summary).Generation of plots is done through Matplotlib, another Python library built on top of Num Py.

The optional interpolation is done through the Sci Py interpolate.interp1d method.

Installing the above packages is needed in order to run IOSACal on your computer.

You don’t have to pay for them, but on the other side you’re not free to modify them as you need, nor to access and study the source code.

This is the main motivation behind IOSACal: creating a free-as-in-freedom radiocarbon calibration software, with a clean programming library, that enables experiments and integration in existing archaeological information systems.

Furthermore, writing this software from scratch is an alternative way of learning how 14C calibration works, not only in strict mathematical terms, but also from a practical point of view.

IOSACal takes a radiocarbon determination and outputs a calibrated age as a set of probability intervals.