Table 1 Radiocarbon dating results.

From: The discovery of the church of Rungholt, a landmark for the drowned medieval landscapes of the Wadden Sea World Heritage

Sample ID

Description

Depth

Depth

Lab. No.

\(^{14}\)C age

\(\delta ^{13}\)C

\(2\sigma \) max; min

(m b.s.)

(m a.s.l.)

(MAMS)

(yrs BP)

(ppm)

(cal BC/AD)

RUN 71A/3+ PR1

Plant remain (peat), undetermined

0.35

− 0.28

65629

1704 ± 17

− 31.4

259; 409 AD

RUN 71A/3+ PR1

Plant remain (peat), undetermined

0.40

− 0.33

65630

1755 ± 17

− 33.7

242; 360 BC

RUN 71A/3+ M

Articulated shell (Cerastoderma edule)

0.38

− 0.31

65631

944 ± 13

− 1.5

1487–1772 AD

RUN 71A/6+ PR

Plant remain (Phragmites sp.)

1.15

− 1.08

65632

2652 ± 19

− 26.8

890; 793 BC

  1. b.s.—below ground surface; a.s.l.—above present sea level (NHN); Lab. No.—laboratory number; MAMS—Curt-Engelhorn-Center for Archaeometry, Mannheim; 2\(\sigma \) max;min (cal BC/AD)—calibrated ages, 2\(\sigma \) range; “;”—there are several possible age intervals due to multiple intersections with the calibration curve. Calibration based on Calib 8.2 software http://calib.org/calib/calib.html and calibration curves IntCal2074 and Marine2075. Reservoir correction (Delta R) for the German Wadden Sea, according to the marine database: Delta R -85 ± 1776.
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