Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A
In the western Arabian Sea (WAS), the highest seasonal sea surface temperature (SST) difference presently occurs between May and August. In order to gain an understanding on how monsoonal upwelling modulates the SST difference between these two months, we have computed SST for the months of May and...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.775099 2023-05-15T18:00:56+02:00 Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A Godad, Shital P Naidu, Pothuri Divakar Malmgren, Bjorn LATITUDE: 18.051800 * LONGITUDE: 57.609000 * DATE/TIME START: 1987-09-15T11:45:00 * DATE/TIME END: 1987-09-17T04:30:00 2011-01-31 application/zip, 2 datasets https://doi.pangaea.de/10.1594/PANGAEA.775099 https://doi.org/10.1594/PANGAEA.775099 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.775099 https://doi.org/10.1594/PANGAEA.775099 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Godad, Shital P; Naidu, Pothuri Divakar; Malmgren, Bjorn (2011): Sea surface temperature changes during May and August in the western Arabian Sea over the last 22 kyr: Implications as to shifting of the upwelling season. Marine Micropaleontology, 78(1-2), 25-29, https://doi.org/10.1016/j.marmicro.2010.09.006 117-723A Arabian Sea DRILL Drilling/drill rig Joides Resolution Leg117 Ocean Drilling Program ODP Dataset 2011 ftpangaea https://doi.org/10.1594/PANGAEA.775099 https://doi.org/10.1016/j.marmicro.2010.09.006 2023-01-20T07:32:24Z In the western Arabian Sea (WAS), the highest seasonal sea surface temperature (SST) difference presently occurs between May and August. In order to gain an understanding on how monsoonal upwelling modulates the SST difference between these two months, we have computed SST for the months of May and August based on census counts of planktonic foraminifers by using the artificial neural network (ANN) technique. The SST difference between May and August exhibits three distinct phases: i) a moderate SST difference in the late Holocene (0-3.5 ka) is attributable to intense upwelling during August, ii) a minimum SST difference from 4 to 12 ka is due to weak upwelling during the month of August, and iii) the highest SST difference during the last glacial interval (19 to 22 ka) with high Globigerina bulloides % could have been caused by the occurrence of a prolonged upwelling season (from May through July) and maximum difference in the incoming solar radiation between May and August. Overall, variations in the SST difference between May and August show that the timing of intense upwelling in the Western Arabian Sea over the last 22 kyr has been variable over the months of June, July and August. Dataset Planktonic foraminifera PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(57.609000,57.609000,18.051800,18.051800) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
117-723A Arabian Sea DRILL Drilling/drill rig Joides Resolution Leg117 Ocean Drilling Program ODP |
spellingShingle |
117-723A Arabian Sea DRILL Drilling/drill rig Joides Resolution Leg117 Ocean Drilling Program ODP Godad, Shital P Naidu, Pothuri Divakar Malmgren, Bjorn Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
topic_facet |
117-723A Arabian Sea DRILL Drilling/drill rig Joides Resolution Leg117 Ocean Drilling Program ODP |
description |
In the western Arabian Sea (WAS), the highest seasonal sea surface temperature (SST) difference presently occurs between May and August. In order to gain an understanding on how monsoonal upwelling modulates the SST difference between these two months, we have computed SST for the months of May and August based on census counts of planktonic foraminifers by using the artificial neural network (ANN) technique. The SST difference between May and August exhibits three distinct phases: i) a moderate SST difference in the late Holocene (0-3.5 ka) is attributable to intense upwelling during August, ii) a minimum SST difference from 4 to 12 ka is due to weak upwelling during the month of August, and iii) the highest SST difference during the last glacial interval (19 to 22 ka) with high Globigerina bulloides % could have been caused by the occurrence of a prolonged upwelling season (from May through July) and maximum difference in the incoming solar radiation between May and August. Overall, variations in the SST difference between May and August show that the timing of intense upwelling in the Western Arabian Sea over the last 22 kyr has been variable over the months of June, July and August. |
format |
Dataset |
author |
Godad, Shital P Naidu, Pothuri Divakar Malmgren, Bjorn |
author_facet |
Godad, Shital P Naidu, Pothuri Divakar Malmgren, Bjorn |
author_sort |
Godad, Shital P |
title |
Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
title_short |
Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
title_full |
Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
title_fullStr |
Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
title_full_unstemmed |
Sea surface temperture reconstruction and planktonic foraminifera of ODP Hole 117-723A |
title_sort |
sea surface temperture reconstruction and planktonic foraminifera of odp hole 117-723a |
publisher |
PANGAEA |
publishDate |
2011 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.775099 https://doi.org/10.1594/PANGAEA.775099 |
op_coverage |
LATITUDE: 18.051800 * LONGITUDE: 57.609000 * DATE/TIME START: 1987-09-15T11:45:00 * DATE/TIME END: 1987-09-17T04:30:00 |
long_lat |
ENVELOPE(57.609000,57.609000,18.051800,18.051800) |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
Supplement to: Godad, Shital P; Naidu, Pothuri Divakar; Malmgren, Bjorn (2011): Sea surface temperature changes during May and August in the western Arabian Sea over the last 22 kyr: Implications as to shifting of the upwelling season. Marine Micropaleontology, 78(1-2), 25-29, https://doi.org/10.1016/j.marmicro.2010.09.006 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.775099 https://doi.org/10.1594/PANGAEA.775099 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.775099 https://doi.org/10.1016/j.marmicro.2010.09.006 |
_version_ |
1766170225887150080 |