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| Recent sea-level changes in the southern Bay of Biscay: transfer function reconstructions from salt-marshes compared with instrumental data |  |
| Leorri, E.; Cearreta, A. (2009). Recent sea-level changes in the southern Bay of Biscay: transfer function reconstructions from salt-marshes compared with instrumental data Sci. Mar. (Barc.) 73(2): 287-296 |
| In: Scientia Marina (Barcelona). Consejo Superior de Investigaciones CientÃficas. Institut de Ciènces del Mar: Barcelona. ISSN 0214-8358, meer |
| Trefwoorden |
Cesium 137; Concentratie; Dating; Foraminifera; Lead 210; Moerassen; Transfer functions; Zeeniveau; Zware metalen; ANE, Biscay Bay [gazetteer]; Marien |
| Abstract |
n order to assess the accuracy and regional significance of salt-marsh reconstructions of former sea level based on foraminiferal transfer functions, we compared the calibration of the foraminiferal assemblages of two salt-marsh cores from two estuaries using the regional transfer function constructed for the southern Bay of Biscay. The foraminifera-based reconstructions were placed into a temporal framework using 137Cs, heavy metal concentrations, and 210Pb-derived sediment accumulation rates. The resulting relative sea-level (RSL) curves were compared with the nearest tide-gauge data (Santander). The two RSL trends from core sediments show excellent agreement and are in very good agreement with instrumental data, providing a regional relative sea-level rise of 1.9 mm yr-1 for the 20th century. |
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