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(a) Measured 14C dataset of early and late woods (earlywood: diamonds, latewood: circles, whole wood: square). Each data point was measured twice (except for the latewood 1846 CE), and the data are expressed as the weighted average of each measurement. (b) Annual resolution 14C data series (dots) compared with that reported by a previous study (stars, Brehm et al., 2021).

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