Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean)
The soluble fraction of aerosols that is deposited on the open ocean is vital for phytoplankton growth. It is believed that a large proportion of this dissolved fraction is bioavailable for marine biota and thus plays an important role in primary production, especially in HNLC oceanic areas where th...
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ftdoajarticles:oai:doaj.org/article:1a6d81af7f754aa09be5ee73fdc9e391 2023-05-15T17:02:01+02:00 Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) A. Heimburger R. Losno S. Triquet 2013-10-01T00:00:00Z https://doi.org/10.5194/bg-10-6617-2013 https://doaj.org/article/1a6d81af7f754aa09be5ee73fdc9e391 EN eng Copernicus Publications http://www.biogeosciences.net/10/6617/2013/bg-10-6617-2013.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 doi:10.5194/bg-10-6617-2013 1726-4170 1726-4189 https://doaj.org/article/1a6d81af7f754aa09be5ee73fdc9e391 Biogeosciences, Vol 10, Iss 10, Pp 6617-6628 (2013) Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 article 2013 ftdoajarticles https://doi.org/10.5194/bg-10-6617-2013 2022-12-31T14:03:40Z The soluble fraction of aerosols that is deposited on the open ocean is vital for phytoplankton growth. It is believed that a large proportion of this dissolved fraction is bioavailable for marine biota and thus plays an important role in primary production, especially in HNLC oceanic areas where this production is limited by micronutrient supply. There is still much uncertainty surrounding the solubility of atmospheric particles in global biogeochemical cycles and it is not well understood. In this study, we present the solubilities of seven elements (Al, Ce, Fe, La, Mn, Nd, Ti) in rainwater on the Kerguelen Islands, in the middle of the Southern Indian Ocean. The solubilities of elements exhibit high values, generally greater than 70%, and Ti remains the least soluble element. Because the Southern Indian Ocean is remote from its dust sources, only a fraction of smaller aerosols reaches the Kerguelen Islands after undergoing several cloud and chemical processes during their transport, resulting in a drastic increase in solubility. Finally, we deduced an average soluble iron deposition flux of 27 ± 6 μg m −2 d −1 (~0.5 μmol m −2 d −1 ) for the studied oceanic area, taking into account a median iron solubility of 82% ± 18%. Article in Journal/Newspaper Kerguelen Islands Directory of Open Access Journals: DOAJ Articles Kerguelen Kerguelen Islands Indian Biogeosciences 10 10 6617 6628 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
spellingShingle |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 A. Heimburger R. Losno S. Triquet Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
topic_facet |
Ecology QH540-549.5 Life QH501-531 Geology QE1-996.5 |
description |
The soluble fraction of aerosols that is deposited on the open ocean is vital for phytoplankton growth. It is believed that a large proportion of this dissolved fraction is bioavailable for marine biota and thus plays an important role in primary production, especially in HNLC oceanic areas where this production is limited by micronutrient supply. There is still much uncertainty surrounding the solubility of atmospheric particles in global biogeochemical cycles and it is not well understood. In this study, we present the solubilities of seven elements (Al, Ce, Fe, La, Mn, Nd, Ti) in rainwater on the Kerguelen Islands, in the middle of the Southern Indian Ocean. The solubilities of elements exhibit high values, generally greater than 70%, and Ti remains the least soluble element. Because the Southern Indian Ocean is remote from its dust sources, only a fraction of smaller aerosols reaches the Kerguelen Islands after undergoing several cloud and chemical processes during their transport, resulting in a drastic increase in solubility. Finally, we deduced an average soluble iron deposition flux of 27 ± 6 μg m −2 d −1 (~0.5 μmol m −2 d −1 ) for the studied oceanic area, taking into account a median iron solubility of 82% ± 18%. |
format |
Article in Journal/Newspaper |
author |
A. Heimburger R. Losno S. Triquet |
author_facet |
A. Heimburger R. Losno S. Triquet |
author_sort |
A. Heimburger |
title |
Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
title_short |
Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
title_full |
Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
title_fullStr |
Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
title_full_unstemmed |
Solubility of iron and other trace elements in rainwater collected on the Kerguelen Islands (South Indian Ocean) |
title_sort |
solubility of iron and other trace elements in rainwater collected on the kerguelen islands (south indian ocean) |
publisher |
Copernicus Publications |
publishDate |
2013 |
url |
https://doi.org/10.5194/bg-10-6617-2013 https://doaj.org/article/1a6d81af7f754aa09be5ee73fdc9e391 |
geographic |
Kerguelen Kerguelen Islands Indian |
geographic_facet |
Kerguelen Kerguelen Islands Indian |
genre |
Kerguelen Islands |
genre_facet |
Kerguelen Islands |
op_source |
Biogeosciences, Vol 10, Iss 10, Pp 6617-6628 (2013) |
op_relation |
http://www.biogeosciences.net/10/6617/2013/bg-10-6617-2013.pdf https://doaj.org/toc/1726-4170 https://doaj.org/toc/1726-4189 doi:10.5194/bg-10-6617-2013 1726-4170 1726-4189 https://doaj.org/article/1a6d81af7f754aa09be5ee73fdc9e391 |
op_doi |
https://doi.org/10.5194/bg-10-6617-2013 |
container_title |
Biogeosciences |
container_volume |
10 |
container_issue |
10 |
container_start_page |
6617 |
op_container_end_page |
6628 |
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1766055237043355648 |