bor229-sup-005-tblS1.doc82KTable S1. Supplementary Z-level measurements of Hornfiskrøn's Base Level of Ridge Crests (BLRC) in 8 compass directions from the geographical centre of the island at each of its 17 beach ridge stages in order to show that the island's vertical growth is unrelated to dominant wind directions (from W and SW). Results plotted in Fig. S1.
bor229-sup-006-tblS2.doc74KTable S2. List of all long-term tide gauges within the quadrangle Cuxhaven-Stavanger-Stockholm-Swinoujscie. Four columns refer to the measuring parameters of notion (2): ‘Tilt’ is the annual tilting rate of the tide-gauge measurement in order to obtain best fit with the Læsø curve (cf. Fig. S2). ‘Displac.‘ is the vertical transpose in order to get best fit. ‘dSL’ is the sea-level change after tilt and vertical transpose of the tide-gauge measurement to best fit. ‘dT’ is the measuring period of the tide-gauge corresponding to the found sea-level change. ‘Uplift’ is the found annual uplift rate of the tide-gauge station. ‘VM2’ is the tide-gauge station's annual uplift rate as depicted from Peltier's VM2 model, currently maintained and published by UK's Permanent Service on Mean Seal Level. Tide gauges identified with numbers are relative close to a line from Oslo via W Sweden and Denmark to Cuxhaven and are included in the 1. proxy (Fig. 8A) of an isostatic curve measured (in column ‘Dist. 1’) as the distance to the 12.5 m isobase of the Highest Marine Limit (HML) in Fig. 1B. All tide gauges (except F, St, and Sa, lower three rows) are included in the 2. proxy (Fig. 8B) of an isostatic curve measured (in column ‘Dist. 2’) as the distance to the 1.5 mm a−1 isobase of the 1. proxy.
bor229-sup-007-tblS3.doc142KTable S3. 3. proxy corrections measured from the 2. proxy values by calculating a mean absolute sea-level change rate for 5 regions of the study area (regions listed with the relevant tide gauges). The gradients are measured perpendicular to the isostatic isobases found by 2. proxy and are converted to a gradient per 100 km of the 5 regions. The individual tide gauges correction value is calculated correspondingly to their geographical position. The found correction values are added to the 2. proxy rates of annual uplift in order to yield the 3. proxy rates illustrated in Fig. 8C, D.
bor229-sup-002-figS1.pdf653KFig. S1: Mean level growth of Hornfiskrøn's beach ridges related to 8 compass directions in order to show that the ridges are most elevated towards the NNE, i.e. on the island's lee side, opposite the dominating wind directions (W to SW). This clearly indicates that the level increment of the lee side ridges is not caused by wind, but must rest with geological processes in the island's substrate, i.e. local neotectonic updoming.Bars show the difference between the 17 concentric beach ridges mean level and the levels of the indicated compass directions.
bor229-sup-003-figS2.pdf383KFig. S2: Illustration of 16 indicative long-term tide-gauge measurements of the W North Sea to Central Baltic region compared with the resulting ASL-curve in Fig. 7C. By rotation and vertical transpose of the tide-gauge curves to best fit with the Læsø ASL-curve the GIA of the tide gauges can be determined (results in Tables S2 and S3, and Figs 8, 9).
bor229-sup-004-figS3.pdf970KFig. S3: Illustration of the found ASL-development (1890 to 2006) of 5 hydrographical regions from the western North Sea to the central Baltic. The tide-gauge measurements are corrected for the found GIA rates at the individual tide gauges (Table S3). Curves show the mean of each region's tide gauges (Table S3). A. Isostatically corrected tide-gauge measurements of the 5 regions smoothened with a floating 19 year mean. It is seen that the Atlantic Multidecadal Oscillation (AMO) occurring around 1930 is double-peaked with culminations around 1920 and 1950 and that there is a general ASL-level rise (AMO) beginning in 1971. B. Same as A, but measurements shown as a polynomial regression of the 5 regions. It is seen that the AMOs are most developed in the North Sea to Kattegat regions and in the Central Baltic and least developed, but still traceable, in the Danish Straits and the SW Baltic region.
bor229-sup-001-appS1.doc56KAppendix. S1: Gentle neotectonic updoming of the Hornfiskrφn beach ridges (test area A) and tilting of Bangsbo-Stoklund area (test area B).

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