Sökning: "210Pb dating"
Visar resultat 1 - 5 av 9 uppsatser innehållade orden 210Pb dating.
1. Avsättning av Black Carbon i sediment från Odensjön, södra Sverige
Kandidat-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : Black Carbon är resultatet av ofullständig förbränning av fossila bränslen och biomassa. Partiklarna blir luftburna i samband med förbränning och sprids över hela jorden. Utsläpp och spridning av BC är problematiskt, eftersom partiklarna har stor påverkan på människors hälsa och miljön. LÄS MER
2. Odensjön - A new varved lake sediment record from southern Sweden
Master-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : Annually laminated (varved) sediments provide opportunities to reconstruct climate change and human impact on the environment with high temporal resolution. Depending on the character of the varves, such sediments can provide insight into the delivery of both autochthonous and allochthonous material from the lake and its catch- ment and answer questions regarding both regional and local responses to climate- and land-use changes. LÄS MER
3. The potential disturbance of the 210Pb profile in peat cores by roots and the implications for 210Pb dating.
Kandidat-uppsats,Sammanfattning : At this moment there is a gap in information regarding the affect roots might have on 210Pb distribution in peat cores and in turn the obtained chronologies by 210Pb dating. Therefore, four peat cores were collected from the snow manipulation study site within the mire complex Storflaket (68°20048″N, 18°58016″E). LÄS MER
4. Dating lake bottom sediment by searching for 210Pb using gamma-ray spectroscopy
Kandidat-uppsats, Uppsala universitet/Tillämpad kärnfysikSammanfattning : In a collaboration with limnologists at Uppsala University a planar HPGe detector has been used to find 210Pb in lake bottom sediment in hopes of getting an estimation for the sedimentation rate. Using a least squares fit to the data, the sedimentation rate was calculated to 0.08 ± 0. LÄS MER
5. The potential disturbance of the 210Pb profile in peat cores by roots and the implications for 210Pb dating.
Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskapSammanfattning : At this moment there is a gap in information regarding the affect roots might have on 210Pb distribution in peat cores and in turn the obtained chronologies by 210Pb dating. Therefore, four peat cores were collected from the snow manipulation study site within the mire complex Storflaket (68°20048″N, 18°58016″E). LÄS MER
