Study of atmospheric metal deposition in subarctic Norway based on peat bog cores

B.Sc. Frank Boahen

Diplomová práce

Abstract:

The subarctic Norway- Russia area is known to be contaminated with metals and metalloids due to emissions from mining and metallurgical industry in Russia. Peat core from ombrotrophic bogs provide information on atmospheric metals and metalloids deposition, since they are exclusively fed by atmospheric inputs. Inductively coupled plasma mass spectrometry (ICP-MS) was used to determine the concentration of selected elements (Cd, Cr, Cu, Ni, Pb, Zn and As) and Pb isotope composition (206Pb/207Pb a 208Pb/206Pb) in peat core from 3 ombrotrophic bogs in Norway close to the Russia border. Measured average concentrations of Cu, Cr, Ni, Zn and As were higher in comparison with Norwegian pollution control authority report 1999 threshold values, however Pb and Cd concentrations were below that of the Norwegian authority threshold value on soil quality. From Pb isotope analysis, combustion of gasoline from Norway and Russia were identified as major source of Pb pollution in the area.

Keywords

peat, Pb isotope, metal contamination, source of Pb

Jazyk práce: angličtina

Datum vytvoření / odevzdání či podání práce: 18. 4. 2017

Obhajoba závěrečné práce

• Vedoucí: Ing. Hana Šillerová, Ph.D.

Česká zemědělská univerzita v Praze

Fakulta životního prostředí

Magisterský studijní program / obor:
Geology / Environmental Geosciences