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| Main Authors: | , , , |
|---|---|
| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
2021
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| Subjects: | |
| Online Access: | https://doi.org/10.1594/PANGAEA.930539 |
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Table of Contents:
- In the framework of the project EXTREMEVENT, we measured the topographic and granulometric attributes of coastal boulders in various places in the Noth Atlantic : the coasts of the Reykjanes Peninsula (southwestern Iceland), the coasts of Brittany (western France). This dataset gathers these attributes as follow: - the date, the country, the region, and a site identifier; - the type of boulder (CTB = cliff-top boulder; SPB = supratidal platform boulder); - the X, Y and Z positions, measured with a differential global positioning system (DGPS) in real-time kinematic (RTK) mode (initially measured in a local coordinate reference system (EPSG:5326 in Iceland, EPSG:2154 in France) and then converted to EPSG:4326; altitudes are given in meters above mean sea level); - the length of the A (longest axis), B (intermediate axis) and C (shortest axis) axes of the boulders, measured with a measuring tape; - the inland distance, corresponding to the distance of each boulder's location from the nearest position of the highest astronomical tide level; - the density of the rock in which the boulders are made.