Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions?
Planktonic foraminifera shell weights have been recognized as possible proxy for surface water carbonate ion concentration [CO sup(=) sub(3)] and atmospheric CO sub(2). However, to utilize this proxy, it is important to understand whether shell weights truly reflect surface water [CO sup(=) sub(3)]....
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ftnio:oai:dsr.nio.org:2264/3970 2023-05-15T18:00:35+02:00 Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? Naik, S.S. Godad, S.P. Naidu, P.D. 2011 http://drs.nio.org/drs/handle/2264/3970 en eng Current Science Association Copyright [2011]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository. calcification foraminifera surface water Globigerina bulloides Journal Article 2011 ftnio 2012-08-25T20:10:21Z Planktonic foraminifera shell weights have been recognized as possible proxy for surface water carbonate ion concentration [CO sup(=) sub(3)] and atmospheric CO sub(2). However, to utilize this proxy, it is important to understand whether shell weights truly reflect surface water [CO sup(=) sub(3)]. We utilize shell weights of Globigerina bulloides and Globigerinoides ruber in the size range of 300 to 355 mu m from a sediment core recovered from above the lysocline in the upwelling region of western Arabian Sea. Shell weights of G. ruber and G. bulloides show significant correlation with their shell size from recent to 16 kyr, which suggests that shell calcification was controlled by optimum growth conditions. On the other hand, during 16 to 22 kyr, there is no correlation between shell weights and shell size. However, shell weights of G. bulloides exhibit significant negative correlation with annual sea surface temperature which suggests that G. bulloides calcification might have been controlled by surface water [CO sup(=) sub(3)]. Therefore it is suggested here that shell weights of G. ruber and G. bulloides cannot be utilized to reconstruct surface water [CO sup(=) sub(3)] in this region. Article in Journal/Newspaper Planktonic foraminifera National Institute of Oceanography, India: Digital Repository Service (DRS@nio) |
institution |
Open Polar |
collection |
National Institute of Oceanography, India: Digital Repository Service (DRS@nio) |
op_collection_id |
ftnio |
language |
English |
topic |
calcification foraminifera surface water Globigerina bulloides |
spellingShingle |
calcification foraminifera surface water Globigerina bulloides Naik, S.S. Godad, S.P. Naidu, P.D. Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
topic_facet |
calcification foraminifera surface water Globigerina bulloides |
description |
Planktonic foraminifera shell weights have been recognized as possible proxy for surface water carbonate ion concentration [CO sup(=) sub(3)] and atmospheric CO sub(2). However, to utilize this proxy, it is important to understand whether shell weights truly reflect surface water [CO sup(=) sub(3)]. We utilize shell weights of Globigerina bulloides and Globigerinoides ruber in the size range of 300 to 355 mu m from a sediment core recovered from above the lysocline in the upwelling region of western Arabian Sea. Shell weights of G. ruber and G. bulloides show significant correlation with their shell size from recent to 16 kyr, which suggests that shell calcification was controlled by optimum growth conditions. On the other hand, during 16 to 22 kyr, there is no correlation between shell weights and shell size. However, shell weights of G. bulloides exhibit significant negative correlation with annual sea surface temperature which suggests that G. bulloides calcification might have been controlled by surface water [CO sup(=) sub(3)]. Therefore it is suggested here that shell weights of G. ruber and G. bulloides cannot be utilized to reconstruct surface water [CO sup(=) sub(3)] in this region. |
format |
Article in Journal/Newspaper |
author |
Naik, S.S. Godad, S.P. Naidu, P.D. |
author_facet |
Naik, S.S. Godad, S.P. Naidu, P.D. |
author_sort |
Naik, S.S. |
title |
Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
title_short |
Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
title_full |
Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
title_fullStr |
Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
title_full_unstemmed |
Does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
title_sort |
does carbonate ion control planktonic foraminifera shell calcification in upwelling regions? |
publisher |
Current Science Association |
publishDate |
2011 |
url |
http://drs.nio.org/drs/handle/2264/3970 |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_rights |
Copyright [2011]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository. |
_version_ |
1766169729533214720 |