Effect of ikaite precipitation on phosphate removal in sea ice
Ikaite (CaCO3·6H2O) precipitation in sea ice has been shown to affect CO2exchange between the atmosphere and ocean. A laboratory study indicates that it could also co-precipitate phosphate from sea ice, which has the potential to affect sea-ice biogeochemical processes. However, the relative importa...
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Norwegian Polar Institute
2020
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ftjpolarres:oai:journals.openacademia.net:article/3413 2023-05-15T16:27:11+02:00 Effect of ikaite precipitation on phosphate removal in sea ice Hu, Yu-Bin Wang, Feiyue 2020-07-08 text/html application/pdf application/epub+zip text/xml https://polarresearch.net/index.php/polar/article/view/3413 https://doi.org/10.33265/polar.v39.3413 eng eng Norwegian Polar Institute https://polarresearch.net/index.php/polar/article/view/3413/11098 https://polarresearch.net/index.php/polar/article/view/3413/11099 https://polarresearch.net/index.php/polar/article/view/3413/11100 https://polarresearch.net/index.php/polar/article/view/3413/11101 https://polarresearch.net/index.php/polar/article/view/3413 doi:10.33265/polar.v39.3413 Copyright (c) 2020 Yu-Bin Hu, Feiyue Wang https://creativecommons.org/licenses/by-nd/4.0 CC-BY-ND Polar Research; Vol 39 (2020) 1751-8369 Co-precipitation surface ice frost flowers Greenland info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2020 ftjpolarres https://doi.org/10.33265/polar.v39.3413 2021-11-11T19:14:21Z Ikaite (CaCO3·6H2O) precipitation in sea ice has been shown to affect CO2exchange between the atmosphere and ocean. A laboratory study indicates that it could also co-precipitate phosphate from sea ice, which has the potential to affect sea-ice biogeochemical processes. However, the relative importance of ikaite precipitation on phosphate removal under sea-ice conditions remains unknown. We investigated ikaite precipitation in both frost flowers and seaice (under two scenarios: flooded by seawater and non-flooded) in an outdoor sea-ice mesocosm experiment, and in sea ice under natural conditions in north-eastern Greenland. The ice mesocosm experiment showed that ikaite was highly enriched in frost flowers with a concentration of up to 350 µmol·kg–1. Ikaite was also detected in the surface layer of sea ice, ranging from ca. 13 µmol·kg–1in the non-flooded ice to ca. 95 µmol·kg–1in the flooded ice. However, under all these conditions, no phosphate co-precipitation with ikaite was observed. The field study in Greenland showed similar results: ikaite was detected in surface ice with an average concentration of 13.8 µmol·kg–1, but no phosphate removal due to ikaite precipitation was observed. These results suggest that the impact of ikaite precipitation on phosphate and the sea-ice ecosystem might not be as significant as imagined previously. Article in Journal/Newspaper Greenland Polar Research Sea ice Polar Research (E-Journal) Greenland Polar Research 39 0 |
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Open Polar |
collection |
Polar Research (E-Journal) |
op_collection_id |
ftjpolarres |
language |
English |
topic |
Co-precipitation surface ice frost flowers Greenland |
spellingShingle |
Co-precipitation surface ice frost flowers Greenland Hu, Yu-Bin Wang, Feiyue Effect of ikaite precipitation on phosphate removal in sea ice |
topic_facet |
Co-precipitation surface ice frost flowers Greenland |
description |
Ikaite (CaCO3·6H2O) precipitation in sea ice has been shown to affect CO2exchange between the atmosphere and ocean. A laboratory study indicates that it could also co-precipitate phosphate from sea ice, which has the potential to affect sea-ice biogeochemical processes. However, the relative importance of ikaite precipitation on phosphate removal under sea-ice conditions remains unknown. We investigated ikaite precipitation in both frost flowers and seaice (under two scenarios: flooded by seawater and non-flooded) in an outdoor sea-ice mesocosm experiment, and in sea ice under natural conditions in north-eastern Greenland. The ice mesocosm experiment showed that ikaite was highly enriched in frost flowers with a concentration of up to 350 µmol·kg–1. Ikaite was also detected in the surface layer of sea ice, ranging from ca. 13 µmol·kg–1in the non-flooded ice to ca. 95 µmol·kg–1in the flooded ice. However, under all these conditions, no phosphate co-precipitation with ikaite was observed. The field study in Greenland showed similar results: ikaite was detected in surface ice with an average concentration of 13.8 µmol·kg–1, but no phosphate removal due to ikaite precipitation was observed. These results suggest that the impact of ikaite precipitation on phosphate and the sea-ice ecosystem might not be as significant as imagined previously. |
format |
Article in Journal/Newspaper |
author |
Hu, Yu-Bin Wang, Feiyue |
author_facet |
Hu, Yu-Bin Wang, Feiyue |
author_sort |
Hu, Yu-Bin |
title |
Effect of ikaite precipitation on phosphate removal in sea ice |
title_short |
Effect of ikaite precipitation on phosphate removal in sea ice |
title_full |
Effect of ikaite precipitation on phosphate removal in sea ice |
title_fullStr |
Effect of ikaite precipitation on phosphate removal in sea ice |
title_full_unstemmed |
Effect of ikaite precipitation on phosphate removal in sea ice |
title_sort |
effect of ikaite precipitation on phosphate removal in sea ice |
publisher |
Norwegian Polar Institute |
publishDate |
2020 |
url |
https://polarresearch.net/index.php/polar/article/view/3413 https://doi.org/10.33265/polar.v39.3413 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Polar Research Sea ice |
genre_facet |
Greenland Polar Research Sea ice |
op_source |
Polar Research; Vol 39 (2020) 1751-8369 |
op_relation |
https://polarresearch.net/index.php/polar/article/view/3413/11098 https://polarresearch.net/index.php/polar/article/view/3413/11099 https://polarresearch.net/index.php/polar/article/view/3413/11100 https://polarresearch.net/index.php/polar/article/view/3413/11101 https://polarresearch.net/index.php/polar/article/view/3413 doi:10.33265/polar.v39.3413 |
op_rights |
Copyright (c) 2020 Yu-Bin Hu, Feiyue Wang https://creativecommons.org/licenses/by-nd/4.0 |
op_rightsnorm |
CC-BY-ND |
op_doi |
https://doi.org/10.33265/polar.v39.3413 |
container_title |
Polar Research |
container_volume |
39 |
container_issue |
0 |
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1766016274309054464 |