Content of solids
Downcore variations in content of solids in core LL19 from the Baltic Sea, and calculated mass and linear sedimentation rates. From Axelsson 1997 (SGU series Ca 86).
The uppermost, gas-rich
part is very loose in relation to the lower, bioturbated. The average dry bulk
density for the core depth 0.40-0.75 m is 7 times higher than for the uppermost
0.30 m of the core (after core expansion). This is reflected also by the given
values of linear sedimentation rate. These, rather uncertain values, are based
on the assumption that the layering is seasonal in the upper part of the core
and that the mass accumulation rate here is representative also for the rest
of the core.