Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover

Mercury is regarded as a pollution element and is transported via the atmosphere. Mercury binds to organic matter and my results show that this is the case also in the drainage area of Two- Boat Lake. Silty peat samples show the same trend in mercury concentrations with depth as those of organic mat...

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Bibliographic Details
Main Author: Nordström, Viktoria
Format: Bachelor Thesis
Language:Swedish
Published: Umeå universitet, Institutionen för ekologi, miljö och geovetenskap 2019
Subjects:
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160125
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spelling ftumeauniv:oai:DiVA.org:umu-160125 2023-10-09T21:52:06+02:00 Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover Nordström, Viktoria 2019 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160125 swe swe Umeå universitet, Institutionen för ekologi, miljö och geovetenskap http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160125 info:eu-repo/semantics/openAccess Kvicksilver organiskt material Earth and Related Environmental Sciences Geovetenskap och miljövetenskap Student thesis info:eu-repo/semantics/bachelorThesis text 2019 ftumeauniv 2023-09-22T13:51:23Z Mercury is regarded as a pollution element and is transported via the atmosphere. Mercury binds to organic matter and my results show that this is the case also in the drainage area of Two- Boat Lake. Silty peat samples show the same trend in mercury concentrations with depth as those of organic matter concnetratrions. A long sediment core (30 cm) show the similar trend in mercury with depth as silty peat cores, with higher levels close to the top of the profiles as can be explaned by the industrialization that started around year 1850. Soil samples with vegetation by grass and birch show higher mercury than in the soil without vegetation (mineral soil), but wetlands with silty peat contains both higher mercury concnetrations and higher mercury inventories (mg Hg m-2). Lake sediment samples show higher carbon level in sediment taken from shallow areas with aquatic plants, but the mercury concentrations still increase with increased water depth. This is because light mineral particles and degraded organic material rich in Hg preferentially accumulate in the deep basin of the lake. Throughout the area, the terrestrial pool contains more mercury than the aquatic pool. In the terrestrial system, peat contains most mercury even though it has the smallest area and mercury per square meter is highest in peat. Bachelor Thesis Grönland Umeå University: Publications (DiVA)
institution Open Polar
collection Umeå University: Publications (DiVA)
op_collection_id ftumeauniv
language Swedish
topic Kvicksilver
organiskt material
Earth and Related Environmental Sciences
Geovetenskap och miljövetenskap
spellingShingle Kvicksilver
organiskt material
Earth and Related Environmental Sciences
Geovetenskap och miljövetenskap
Nordström, Viktoria
Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
topic_facet Kvicksilver
organiskt material
Earth and Related Environmental Sciences
Geovetenskap och miljövetenskap
description Mercury is regarded as a pollution element and is transported via the atmosphere. Mercury binds to organic matter and my results show that this is the case also in the drainage area of Two- Boat Lake. Silty peat samples show the same trend in mercury concentrations with depth as those of organic matter concnetratrions. A long sediment core (30 cm) show the similar trend in mercury with depth as silty peat cores, with higher levels close to the top of the profiles as can be explaned by the industrialization that started around year 1850. Soil samples with vegetation by grass and birch show higher mercury than in the soil without vegetation (mineral soil), but wetlands with silty peat contains both higher mercury concnetrations and higher mercury inventories (mg Hg m-2). Lake sediment samples show higher carbon level in sediment taken from shallow areas with aquatic plants, but the mercury concentrations still increase with increased water depth. This is because light mineral particles and degraded organic material rich in Hg preferentially accumulate in the deep basin of the lake. Throughout the area, the terrestrial pool contains more mercury than the aquatic pool. In the terrestrial system, peat contains most mercury even though it has the smallest area and mercury per square meter is highest in peat.
format Bachelor Thesis
author Nordström, Viktoria
author_facet Nordström, Viktoria
author_sort Nordström, Viktoria
title Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
title_short Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
title_full Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
title_fullStr Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
title_full_unstemmed Kvicksilver i avrinningsområdet med sjön Two-Boat Lake, Grönland : Analys av kvicksilver i markprover och sedimentprover
title_sort kvicksilver i avrinningsområdet med sjön two-boat lake, grönland : analys av kvicksilver i markprover och sedimentprover
publisher Umeå universitet, Institutionen för ekologi, miljö och geovetenskap
publishDate 2019
url http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160125
genre Grönland
genre_facet Grönland
op_relation http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-160125
op_rights info:eu-repo/semantics/openAccess
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