Paleoecological conditions of the Gdansk basin in Holocene in the complex analysis of short sediment cores
... characterized by an increase in surface water productivity and bottom water hypoxia, correspond to the Roman Warm Period, the Medieval Climatic Optimum, and the Modern Warm Period.
Ponomarenko E. P., Kuleshova L. A.
Baltic Sea, North Sea water inflows, bottom circulation, loss on ignition, atmospheric circulation, benthic foraminifera
69-82
