Fig. 7.From: Sedimentary deposits left by the 2004 Indian Ocean tsunami on the inner continental shelf offshore of Khao Lak, Andaman Sea (Thailand)Total 210Pb activity (Bq kgâ1) profile, 137Cs activity profile and X-ray image of core 050310-C6. The lowest total 210Pb activity was measured in the sand layer (38â40 cm depth), and is close to assumed supported 210Pb activity.Back to article page