Planktic foraminifers as recorders of seawater Ba/Ca
Recent studies have used the Ba/Ca ratio of planktic foraminifer shells as a proxy for river run-off at oceanic sites near estuaries. Such studies assume that the Ba/Ca ratio in planktic foraminifer shells is primarily controlled by the Ba/Ca concentration of seawater and that other parameters such...
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ftanucanberra:oai:openresearch-repository.anu.edu.au:1885/67705 2024-01-14T10:10:03+01:00 Planktic foraminifers as recorders of seawater Ba/Ca Hönisch, Bärbel Allen, Katherine A. Russell, Ann Eggins, Stephen Bijma, Jelle Spero, Howard Lea, David W Yu, Jimin http://hdl.handle.net/1885/67705 https://doi.org/10.1016/j.marmicro.2011.01.003 https://openresearch-repository.anu.edu.au/bitstream/1885/67705/5/Honisch_Eggins_et_al_Planktic_Foraminifers_2011.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/67705/7/01_H%c3%b6nisch_Planktic_foraminifers_as_2011.pdf.jpg unknown Elsevier 0377-8398 http://hdl.handle.net/1885/67705 doi:10.1016/j.marmicro.2011.01.003 https://openresearch-repository.anu.edu.au/bitstream/1885/67705/5/Honisch_Eggins_et_al_Planktic_Foraminifers_2011.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/67705/7/01_H%c3%b6nisch_Planktic_foraminifers_as_2011.pdf.jpg Marine Micropaleontology Keywords: biostratigraphy calcite fossil record micropaleontology paleoecology pH photosynthesis planktonic foraminifera runoff sea surface salinity sea surface temperature seawater shell symbiont Foraminifera Globorotalia Neogloboquadrina Culturing DBa Planktic foraminifers Salinity Temperature Journal article ftanucanberra https://doi.org/10.1016/j.marmicro.2011.01.003 2023-12-15T09:35:56Z Recent studies have used the Ba/Ca ratio of planktic foraminifer shells as a proxy for river run-off at oceanic sites near estuaries. Such studies assume that the Ba/Ca ratio in planktic foraminifer shells is primarily controlled by the Ba/Ca concentration of seawater and that other parameters such as salinity, temperature and pH do not compromise the primary Ba concentration relationship. Here we provide new insights from culture experiments and review published studies to confirm that environmental parameters including pH, temperature, salinity, and symbiont photosynthesis do not affect Ba substitution into planktic foraminiferal calcite. The partition coefficient for Ba in spinose planktic foraminifers is estimated as DBa=0.15±0.05 (95% confidence limits). The same factor also seems applicable to the non-spinose genus Neogloboquadrina but not to specimens of the non-spinose genus Globorotalia. Article in Journal/Newspaper Planktonic foraminifera Australian National University: ANU Digital Collections Marine Micropaleontology 79 1-2 52 57 |
institution |
Open Polar |
collection |
Australian National University: ANU Digital Collections |
op_collection_id |
ftanucanberra |
language |
unknown |
topic |
Keywords: biostratigraphy calcite fossil record micropaleontology paleoecology pH photosynthesis planktonic foraminifera runoff sea surface salinity sea surface temperature seawater shell symbiont Foraminifera Globorotalia Neogloboquadrina Culturing DBa Planktic foraminifers Salinity Temperature |
spellingShingle |
Keywords: biostratigraphy calcite fossil record micropaleontology paleoecology pH photosynthesis planktonic foraminifera runoff sea surface salinity sea surface temperature seawater shell symbiont Foraminifera Globorotalia Neogloboquadrina Culturing DBa Planktic foraminifers Salinity Temperature Hönisch, Bärbel Allen, Katherine A. Russell, Ann Eggins, Stephen Bijma, Jelle Spero, Howard Lea, David W Yu, Jimin Planktic foraminifers as recorders of seawater Ba/Ca |
topic_facet |
Keywords: biostratigraphy calcite fossil record micropaleontology paleoecology pH photosynthesis planktonic foraminifera runoff sea surface salinity sea surface temperature seawater shell symbiont Foraminifera Globorotalia Neogloboquadrina Culturing DBa Planktic foraminifers Salinity Temperature |
description |
Recent studies have used the Ba/Ca ratio of planktic foraminifer shells as a proxy for river run-off at oceanic sites near estuaries. Such studies assume that the Ba/Ca ratio in planktic foraminifer shells is primarily controlled by the Ba/Ca concentration of seawater and that other parameters such as salinity, temperature and pH do not compromise the primary Ba concentration relationship. Here we provide new insights from culture experiments and review published studies to confirm that environmental parameters including pH, temperature, salinity, and symbiont photosynthesis do not affect Ba substitution into planktic foraminiferal calcite. The partition coefficient for Ba in spinose planktic foraminifers is estimated as DBa=0.15±0.05 (95% confidence limits). The same factor also seems applicable to the non-spinose genus Neogloboquadrina but not to specimens of the non-spinose genus Globorotalia. |
format |
Article in Journal/Newspaper |
author |
Hönisch, Bärbel Allen, Katherine A. Russell, Ann Eggins, Stephen Bijma, Jelle Spero, Howard Lea, David W Yu, Jimin |
author_facet |
Hönisch, Bärbel Allen, Katherine A. Russell, Ann Eggins, Stephen Bijma, Jelle Spero, Howard Lea, David W Yu, Jimin |
author_sort |
Hönisch, Bärbel |
title |
Planktic foraminifers as recorders of seawater Ba/Ca |
title_short |
Planktic foraminifers as recorders of seawater Ba/Ca |
title_full |
Planktic foraminifers as recorders of seawater Ba/Ca |
title_fullStr |
Planktic foraminifers as recorders of seawater Ba/Ca |
title_full_unstemmed |
Planktic foraminifers as recorders of seawater Ba/Ca |
title_sort |
planktic foraminifers as recorders of seawater ba/ca |
publisher |
Elsevier |
url |
http://hdl.handle.net/1885/67705 https://doi.org/10.1016/j.marmicro.2011.01.003 https://openresearch-repository.anu.edu.au/bitstream/1885/67705/5/Honisch_Eggins_et_al_Planktic_Foraminifers_2011.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/67705/7/01_H%c3%b6nisch_Planktic_foraminifers_as_2011.pdf.jpg |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
Marine Micropaleontology |
op_relation |
0377-8398 http://hdl.handle.net/1885/67705 doi:10.1016/j.marmicro.2011.01.003 https://openresearch-repository.anu.edu.au/bitstream/1885/67705/5/Honisch_Eggins_et_al_Planktic_Foraminifers_2011.pdf.jpg https://openresearch-repository.anu.edu.au/bitstream/1885/67705/7/01_H%c3%b6nisch_Planktic_foraminifers_as_2011.pdf.jpg |
op_doi |
https://doi.org/10.1016/j.marmicro.2011.01.003 |
container_title |
Marine Micropaleontology |
container_volume |
79 |
container_issue |
1-2 |
container_start_page |
52 |
op_container_end_page |
57 |
_version_ |
1788064674716057600 |