Dr. Stríkis and co-authors (including Prof. Dr. Chiessi, P2L coordinator) recently published a paper in the journal Geophysical Research Letters where they suggest that the South Atlantic Convergence Zone (one of the main atmospheric features bringing rainfall to central and southeastern South America) was significantly intensified during Heinrich Stadial 1. Based on speleothem isotopes as well as organic and inorganic geochemistry data from marine sediment cores, the authors were able to investigate in detail the internal structure of changes in rainfall during Heinrich Stadial 1. They recognized two events of widespread intensification of the South American Summer Monsoon across the entire region influenced by the South Atlantic Convergence Zone. For more details, please click here.