Search for dissertations about: "palaeomagnetic secular variations"
Found 3 swedish dissertations containing the words palaeomagnetic secular variations.
-
1. Setting the Holocene clock using varved lake sediments in Sweden
Abstract : The aim of this thesis was to study annually laminated (varved) Holocene lake sediment in Sweden, their formation and their potential as chronological and palaeoecological archives. Five lakes with continuous Holocene varved lake sediment sequences in northern (Västerbotten) and west central Sweden (Värmland) were investigated. READ MORE
-
2. Pollen analysis, chronology and palaeomagnetism of three Late Weichselian sites in southern Sweden
Abstract : Three sites, Torreberga in Skåne, Farslycke in Blekinge and Lake Bolmen in Småland, with Late Weichselian lake sediments were studied with respect to pollen analysis and palaeomagnetism. The chronologies are based on pollen stratigraphical correlations, radiocarbon dating and, for two of the sites, on a clay-varve chronology. READ MORE
-
3. Investigations of temporal changes in climate and the geomagnetic field via high-resolution radiocarbon dating
Abstract : Geological archives have shown periods of abrupt climate change in the relatively stable Holocene epoch (last ca. 11 700 years). One of these periods was around 2800 cal BP. Several records, mainly from Europe, reveal a shift towards wetter, cooler and windier conditions. READ MORE