Sea ice and the air-sea exchange of CO2
The objective of this thesis was to improve the state of knowledge concerning the inorganic carbon dynamics, including the precipitation of CaCO3 in sea ice and its significance for the polar carbon cycle as well as to obtain improved estimates of the diurnal and long-term CO2 flux on small scales d...
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Language: | English |
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Universität Bremen
2013
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Online Access: | https://media.suub.uni-bremen.de/handle/elib/463 https://nbn-resolving.org/urn:nbn:de:gbv:46-00103066-17 |
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ftsubbremen:oai:media.suub.uni-bremen.de:Publications/elib/463 2023-05-15T14:04:15+02:00 Sea ice and the air-sea exchange of CO2 Meereis und der Austausch von CO2 zwischen Ozean und Atmosphäre Fischer, Michael Wolf-Gladrow, Dieter Dieckmann, Gerhard Eicken, Hajo 2013-02-12 application/pdf https://media.suub.uni-bremen.de/handle/elib/463 https://nbn-resolving.org/urn:nbn:de:gbv:46-00103066-17 eng eng Universität Bremen FB2 Biologie/Chemie https://media.suub.uni-bremen.de/handle/elib/463 urn:nbn:de:gbv:46-00103066-17 info:eu-repo/semantics/openAccess sea ice Arctic Antarctic CO2 flux ikaite biogeochemistry carbonate chemistry polar oceans chamber technique 550 550 Earth sciences and geology ddc:550 Dissertation doctoralThesis 2013 ftsubbremen 2022-11-09T07:09:22Z The objective of this thesis was to improve the state of knowledge concerning the inorganic carbon dynamics, including the precipitation of CaCO3 in sea ice and its significance for the polar carbon cycle as well as to obtain improved estimates of the diurnal and long-term CO2 flux on small scales during the winter-spring-summer transition. To study the exchange of CO2 between sea ice and the atmosphere as well as the biogeochemical parameters and the spatial and temporal distribution of ikaite in sea ice during different seasons, three field studies were conducted in the Arctic and Antarctic. High pCO2 values in sea ice of up to 3900 μatm were observed. The resulting fluxes ranged between -3.41 and 9.5 mmol m-2 d-1. Ikaite was found mostly in the uppermost layers of sea ice. Based on the observations the efflux from Arctic sea ice to the atmosphere can be expected to result in a flux of several Tg C a-1. The findings in this thesis support the concept of the sea ice driven carbon pump. Doctoral or Postdoctoral Thesis Antarc* Antarctic Arctic Sea ice Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen) Antarctic Arctic |
institution |
Open Polar |
collection |
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen) |
op_collection_id |
ftsubbremen |
language |
English |
topic |
sea ice Arctic Antarctic CO2 flux ikaite biogeochemistry carbonate chemistry polar oceans chamber technique 550 550 Earth sciences and geology ddc:550 |
spellingShingle |
sea ice Arctic Antarctic CO2 flux ikaite biogeochemistry carbonate chemistry polar oceans chamber technique 550 550 Earth sciences and geology ddc:550 Fischer, Michael Sea ice and the air-sea exchange of CO2 |
topic_facet |
sea ice Arctic Antarctic CO2 flux ikaite biogeochemistry carbonate chemistry polar oceans chamber technique 550 550 Earth sciences and geology ddc:550 |
description |
The objective of this thesis was to improve the state of knowledge concerning the inorganic carbon dynamics, including the precipitation of CaCO3 in sea ice and its significance for the polar carbon cycle as well as to obtain improved estimates of the diurnal and long-term CO2 flux on small scales during the winter-spring-summer transition. To study the exchange of CO2 between sea ice and the atmosphere as well as the biogeochemical parameters and the spatial and temporal distribution of ikaite in sea ice during different seasons, three field studies were conducted in the Arctic and Antarctic. High pCO2 values in sea ice of up to 3900 μatm were observed. The resulting fluxes ranged between -3.41 and 9.5 mmol m-2 d-1. Ikaite was found mostly in the uppermost layers of sea ice. Based on the observations the efflux from Arctic sea ice to the atmosphere can be expected to result in a flux of several Tg C a-1. The findings in this thesis support the concept of the sea ice driven carbon pump. |
author2 |
Wolf-Gladrow, Dieter Dieckmann, Gerhard Eicken, Hajo |
format |
Doctoral or Postdoctoral Thesis |
author |
Fischer, Michael |
author_facet |
Fischer, Michael |
author_sort |
Fischer, Michael |
title |
Sea ice and the air-sea exchange of CO2 |
title_short |
Sea ice and the air-sea exchange of CO2 |
title_full |
Sea ice and the air-sea exchange of CO2 |
title_fullStr |
Sea ice and the air-sea exchange of CO2 |
title_full_unstemmed |
Sea ice and the air-sea exchange of CO2 |
title_sort |
sea ice and the air-sea exchange of co2 |
publisher |
Universität Bremen |
publishDate |
2013 |
url |
https://media.suub.uni-bremen.de/handle/elib/463 https://nbn-resolving.org/urn:nbn:de:gbv:46-00103066-17 |
geographic |
Antarctic Arctic |
geographic_facet |
Antarctic Arctic |
genre |
Antarc* Antarctic Arctic Sea ice |
genre_facet |
Antarc* Antarctic Arctic Sea ice |
op_relation |
https://media.suub.uni-bremen.de/handle/elib/463 urn:nbn:de:gbv:46-00103066-17 |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1766275277191643136 |