Essays about: "210Pb dating"
Showing result 1 - 5 of 7 essays containing the words 210Pb dating.
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1. Odensjön - A new varved lake sediment record from southern Sweden
University essay from Lunds universitet/Geologiska institutionenAbstract : 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. READ MORE
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2. The potential disturbance of the 210Pb profile in peat cores by roots and the implications for 210Pb dating.
University essay fromAbstract : 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). READ MORE
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3. Dating lake bottom sediment by searching for 210Pb using gamma-ray spectroscopy
University essay from Uppsala universitet/Tillämpad kärnfysikAbstract : 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. READ MORE
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4. The potential disturbance of the 210Pb profile in peat cores by roots and the implications for 210Pb dating.
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : 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). READ MORE
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5. Influence of depositional mobility (downwashing) on the accumulation of atmospherically supplied elements in peat cores: an experimental approach
University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskapAbstract : The potential influence of downwashing on atmospherically deposited elements is of rare focus compared with other geochemical processes related to peat. Downwashing may cause a rapid downward movement of atmospherically supplied elements before they bond to the peat organic substrate and thus reduce the reliability of age-depth models that rely on atmospherically supplied radioisotopes (e. READ MORE
