Published July 16, 2025 | Version v0
Dataset Open

ARLASH Database: Artificial Radionuclides in Lake Sediments of the Southern Hemisphere (AVATAR Project)

Authors/Creators

  • 1. EDMO icon University of Basel, Department of Environmental Sciences
  • 2. ROR icon Université Savoie Mont Blanc
  • 3. ROR icon University of Basel
  • 4. Philippine Nuclear Research Institute
  • 5. Laboratoire des Sciences du Climat et de l'Environnement, (LSCE), UMR 1572 (CEA/CNRS/UVSQ) – Bâtiment 714, Ormes des Merisiers
  • 6. ROR icon Laboratoire des Sciences du Climat et de l'Environnement

Description

A total of 202 lake sediment core records with ¹³⁷Cs data, representing 161 lakes from 119 publications (1980–2024), were compiled to build a database under the AVATAR Project ("A reVised dATing framework for quantifying geomorphological processes during the AnthRopocene"). The geographical focus was on the equatorial and Southern Hemisphere regions.

The resulting ARLASH database (Artificial Radionuclides in LAke sediments of the Southern Hemisphere) is organized into several sections: general information, lake information, catchment information, ¹³⁷Cs data, ²¹⁰Pb data, sedimentation information, and publication details.

A detailed description of the 55 extracted variables is available in the metadata sheet accompanying the ARLASH database.

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Additional details

Funding

Swiss National Science Foundation
AVATAR - A reVised dATing framework for quantifying geomorphological processes during the AnthRopocene 212886
Agence Nationale de la Recherche
AVATAR - A reVised dATing framework for quantifying geomorphological processes during the AnthRopocene ANR-22-CE93-0001