Sökning: "Weichselian glaciation"

Visar resultat 1 - 5 av 14 uppsatser innehållade orden Weichselian glaciation.

  1. 1. Grain-Size Analysis of Loess Deposits of the Last Glacial Period, NW France

    Kandidat-uppsats, Uppsala universitet/Luft-, vatten- och landskapslära

    Författare :Linnéa Rodin Borne; [2021]
    Nyckelord :loess; grain-size; glacial; Weichselian; Primel-Trégastel;

    Sammanfattning : Loess is an unique record of the paleoclimate of the Quaternary. Because it is directly deposited from the atmosphere, it can be used as a proxy for wind speed and circulation patterns. It can also be directly dated using luminescence. LÄS MER

  3. 2. Jordlagerföljden i Höjeådalen utifrån nya borrningar

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Oskar Sundberg; [2021]
    Nyckelord :jordarter; jordartsutbredning; Weichsel; geologisk modell; Earth and Environmental Sciences;

    Sammanfattning : Jordarternas utbredning över sydvästra Skåne är ett resultat av Weichselistidens komplexa växelverkande isframstötar, där stora mäktiga kvartära avlagringar finns i anknytning till Alnarpssänkan och Lundadalen. Avlagringarna och deras glaciala ursprung är ett historiskt omdiskuterat ämne. LÄS MER

  4. 3. PLANT MIGRATION AT THE END OF THE WEICHSELIAN GLACIATION : Macrofossil evidence of early coniferous trees at two northern Swedish sites

    Master-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Karan Zakrzewski-Sharma; [2019]
    Nyckelord :Scandinavia; Weichselian; plant migration; macrofossils; climate change;

    Sammanfattning : Studies of vegetation history bring a new incentive to our understanding of plant survival and migration in arctic environments. For decades, environmental research was based on palynological data and these studies created a notion that tree species such as larch (Larix sibirica) and Scots pine (Pinus sylvestris) did not grow in northern Scandinavia at the end of Weichselian glaciation. LÄS MER

  5. 4. Cryptic refugia vs. Tabula Rasa: Boreal trees in glacial Fennoscandia : Plant growth during the Weichselian glaciation and the early Holocene in northern Europe

    Master-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Anne van Woerkom; [2016]
    Nyckelord :boreal trees; Fennoscandia; cryptic refugia; Weichselian; glacial survival;

    Sammanfattning : Recent studies applying innovative technologies, such as genetic analysis and carbon dating, contradict the palynological based assumption that Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) vanished from Fennoscandia during the Last Glacial Maximum (c. 20.000 yrs BP) and re-colonized after the cold Younger Dryas (c. 12. LÄS MER

  7. 5. LIDAR-analys av flygsanddyner i Västerbottens inland : Har dynmorfologi bildad under tidigare interstadialer bevarats i landskapet?

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Fredrik Bogren; [2015]
    Nyckelord :LIDAR; digital elevation model dem ; aeolian sand dunes; till-covered; preserved morphology; LIDAR; digital höjdmodell dem ; flygsanddyner; moräntäckt; bevarad morfologi;

    Sammanfattning : The aim of this study was to map the prevalence of aeolian sand dunes in Västerbotten, northern Sweden to find dunes formed during earlier deglaciation phases, which was then preserved in cold-based conditions during the youngest stadial of the Weichselian glaciation. These preserved dunes were expected to be covered by a layer of till and have a rather faint morphology compared to dunes formed during the Holocene. LÄS MER