(Table 1) Age determination of ODP Hole 146-893A ...
To better understand the deglacial upwelling pattern in the east Pacific, we have made radiocarbon (14C) measurements on benthic foraminifera and macrofauna from a 3.5 m long interval in ODP Core 893A from Santa Barbara Basin, California, representing early deglaciation. This work serves to investig...
Main Authors: | , , , , , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2010
|
Subjects: | |
Online Access: | https://dx.doi.org/10.1594/pangaea.831235 https://doi.pangaea.de/10.1594/PANGAEA.831235 |
id |
ftdatacite:10.1594/pangaea.831235 |
---|---|
record_format |
openpolar |
spelling |
ftdatacite:10.1594/pangaea.831235 2024-09-15T18:31:08+00:00 (Table 1) Age determination of ODP Hole 146-893A ... Magana, Alexandra L Southon, John R Kennett, James P Roark, E Brendan Sarnthein, Michael Stott, Lowell D 2010 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.831235 https://doi.pangaea.de/10.1594/PANGAEA.831235 en eng PANGAEA https://dx.doi.org/10.1029/2010pa002011 https://dx.doi.org/10.2973/odp.proc.sr.146-2.276.1995 https://dx.doi.org/10.1016/s0277-3791(01)00138-x https://dx.doi.org/10.2973/odp.proc.sr.146-2.278.1995 https://dx.doi.org/10.2973/odp.proc.sr.146-2.285.1995 https://dx.doi.org/10.1029/173gm13 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 DEPTH, sediment/rock Sample code/label Age, dated material Laboratory Age, dated Age, dated standard deviation Foraminifera, benthic δ13C Drilling/drill rig DSDP/ODP/IODP sample designation Age, 14C AMS Leg146 Joides Resolution Ocean Drilling Program ODP dataset Supplementary Dataset Dataset 2010 ftdatacite https://doi.org/10.1594/pangaea.83123510.1029/2010pa00201110.2973/odp.proc.sr.146-2.276.199510.1016/s0277-3791(01)00138-x10.2973/odp.proc.sr.146-2.278.199510.2973/odp.proc.sr.146-2.285.199510.1029/173gm13 2024-08-01T10:57:37Z To better understand the deglacial upwelling pattern in the east Pacific, we have made radiocarbon (14C) measurements on benthic foraminifera and macrofauna from a 3.5 m long interval in ODP Core 893A from Santa Barbara Basin, California, representing early deglaciation. This work serves to investigate the source of apparent disagreement between radiocarbon data sets from Leibnitz Laboratory, Kiel University (Kiel) and Carbon Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory (LLNL). These data sets are based on measurements of mixed benthic and mixed planktonic foraminifera. Interlaboratory 14C results are similar for the planktonic foraminiferal analyses; however, Kiel measurements on mixed benthic foraminifera are much older than mixed benthic measurements from equivalent depths measured at LLNL. Our new results show distinct 14C differences between taxa, with Pyrgo sp. giving ages consistently older than Kiel measurements on mixed benthic taxa, while ages for Nonionellina ... : DEPTH, sediment/rock [m] is given in mbsf. This dataset shows data from Hendy et al., (2002) and Sarnthein et al., (2007), plus new 14C data from this study. Lawrence Livermore National Laboratory 14C results originally published in Ingram and Kennett [1995] were recalculated in Hendy et al. (2002) to properly correct for the presence of 14C-dead carbon as well as modern carbon in 14C small-sample processing backgrounds. All data have been placed on the Hendy et al. (2002) depth scale for ODP 893A: void-corrected depths within each ODP core section were calculated based on Merrill and Beck (1995), and these are keyed to the sectiontop depths of Behl (1995). We have followed Hendy et al. (2002) in correcting the Behl (1995) depths for 1.5 m and 0.75 m of missing core at the 1H-2H and 2H-3H section boundaries, respectively, and in our use of 27.7 m for the top of 4H1 rather than the adjusted Behl (1995) depth of 25.8 + 2.25 m (see the 4H1 depths shown in Hendy et al. (2002, Table 3)). ... Dataset Planktonic foraminifera DataCite |
institution |
Open Polar |
collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
DEPTH, sediment/rock Sample code/label Age, dated material Laboratory Age, dated Age, dated standard deviation Foraminifera, benthic δ13C Drilling/drill rig DSDP/ODP/IODP sample designation Age, 14C AMS Leg146 Joides Resolution Ocean Drilling Program ODP |
spellingShingle |
DEPTH, sediment/rock Sample code/label Age, dated material Laboratory Age, dated Age, dated standard deviation Foraminifera, benthic δ13C Drilling/drill rig DSDP/ODP/IODP sample designation Age, 14C AMS Leg146 Joides Resolution Ocean Drilling Program ODP Magana, Alexandra L Southon, John R Kennett, James P Roark, E Brendan Sarnthein, Michael Stott, Lowell D (Table 1) Age determination of ODP Hole 146-893A ... |
topic_facet |
DEPTH, sediment/rock Sample code/label Age, dated material Laboratory Age, dated Age, dated standard deviation Foraminifera, benthic δ13C Drilling/drill rig DSDP/ODP/IODP sample designation Age, 14C AMS Leg146 Joides Resolution Ocean Drilling Program ODP |
description |
To better understand the deglacial upwelling pattern in the east Pacific, we have made radiocarbon (14C) measurements on benthic foraminifera and macrofauna from a 3.5 m long interval in ODP Core 893A from Santa Barbara Basin, California, representing early deglaciation. This work serves to investigate the source of apparent disagreement between radiocarbon data sets from Leibnitz Laboratory, Kiel University (Kiel) and Carbon Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory (LLNL). These data sets are based on measurements of mixed benthic and mixed planktonic foraminifera. Interlaboratory 14C results are similar for the planktonic foraminiferal analyses; however, Kiel measurements on mixed benthic foraminifera are much older than mixed benthic measurements from equivalent depths measured at LLNL. Our new results show distinct 14C differences between taxa, with Pyrgo sp. giving ages consistently older than Kiel measurements on mixed benthic taxa, while ages for Nonionellina ... : DEPTH, sediment/rock [m] is given in mbsf. This dataset shows data from Hendy et al., (2002) and Sarnthein et al., (2007), plus new 14C data from this study. Lawrence Livermore National Laboratory 14C results originally published in Ingram and Kennett [1995] were recalculated in Hendy et al. (2002) to properly correct for the presence of 14C-dead carbon as well as modern carbon in 14C small-sample processing backgrounds. All data have been placed on the Hendy et al. (2002) depth scale for ODP 893A: void-corrected depths within each ODP core section were calculated based on Merrill and Beck (1995), and these are keyed to the sectiontop depths of Behl (1995). We have followed Hendy et al. (2002) in correcting the Behl (1995) depths for 1.5 m and 0.75 m of missing core at the 1H-2H and 2H-3H section boundaries, respectively, and in our use of 27.7 m for the top of 4H1 rather than the adjusted Behl (1995) depth of 25.8 + 2.25 m (see the 4H1 depths shown in Hendy et al. (2002, Table 3)). ... |
format |
Dataset |
author |
Magana, Alexandra L Southon, John R Kennett, James P Roark, E Brendan Sarnthein, Michael Stott, Lowell D |
author_facet |
Magana, Alexandra L Southon, John R Kennett, James P Roark, E Brendan Sarnthein, Michael Stott, Lowell D |
author_sort |
Magana, Alexandra L |
title |
(Table 1) Age determination of ODP Hole 146-893A ... |
title_short |
(Table 1) Age determination of ODP Hole 146-893A ... |
title_full |
(Table 1) Age determination of ODP Hole 146-893A ... |
title_fullStr |
(Table 1) Age determination of ODP Hole 146-893A ... |
title_full_unstemmed |
(Table 1) Age determination of ODP Hole 146-893A ... |
title_sort |
(table 1) age determination of odp hole 146-893a ... |
publisher |
PANGAEA |
publishDate |
2010 |
url |
https://dx.doi.org/10.1594/pangaea.831235 https://doi.pangaea.de/10.1594/PANGAEA.831235 |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_relation |
https://dx.doi.org/10.1029/2010pa002011 https://dx.doi.org/10.2973/odp.proc.sr.146-2.276.1995 https://dx.doi.org/10.1016/s0277-3791(01)00138-x https://dx.doi.org/10.2973/odp.proc.sr.146-2.278.1995 https://dx.doi.org/10.2973/odp.proc.sr.146-2.285.1995 https://dx.doi.org/10.1029/173gm13 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.83123510.1029/2010pa00201110.2973/odp.proc.sr.146-2.276.199510.1016/s0277-3791(01)00138-x10.2973/odp.proc.sr.146-2.278.199510.2973/odp.proc.sr.146-2.285.199510.1029/173gm13 |
_version_ |
1810472739354443776 |