Late Holocene Environmental History and Norse Settlement in Outer Fjords from South Greenland: A Case Study at Lake Qallimiut

To complement discussions about vegetation history and climate variations in south Greenland, especially during the Norse settlement, we developed a sedimentological multiproxy approach to study 4300-year-old lacustrine core comprising pollen analysis, NPPs physical measurements (magnetic susceptibility, density, grain size), geochemical analyses (X-ray fluorescence, X-ray diffraction, elemental analyses). Sediment archives were retrieved from river-fed lake, Lake Qallimiut, located outer fjords of Vatnahverfi area. The analysis indicated transition juniper willow cover dwarf birch forest. Non-pollen palynomorphs (NPPs) suggested grazing pressure presence wild herbivores between 2300 1800 cal. BC. From ca. 1000 AD, farmers was evidenced this area by archaeological surveys, confirm human activities 11th century end 13th century. However, impact progressively vanished 12th centuries, much earlier than at other sites.