Evidence for abrupt climate changes in annually laminated marine sediments
Annually laminated sediments from marine or lacustrine settings represent valuable high-resolution archives of climate change that record variation due to changing precipitation and run-off from land or variation in biological productivity and flux in the water column. Because of their annual resolu...
Published in: | Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences |
---|---|
Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
2003
|
Subjects: | |
Online Access: | https://eprints.soton.ac.uk/2041/ |
id |
ftsouthampton:oai:eprints.soton.ac.uk:2041 |
---|---|
record_format |
openpolar |
spelling |
ftsouthampton:oai:eprints.soton.ac.uk:2041 2023-07-30T04:07:02+02:00 Evidence for abrupt climate changes in annually laminated marine sediments Kemp, Alan E.S. 2003 https://eprints.soton.ac.uk/2041/ unknown Kemp, Alan E.S. (2003) Evidence for abrupt climate changes in annually laminated marine sediments. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 361 (1810), 1851-1870. (doi:10.1098/RSTA.2003.1247 <http://dx.doi.org/10.1098/RSTA.2003.1247>). Article PeerReviewed 2003 ftsouthampton https://doi.org/10.1098/RSTA.2003.1247 2023-07-09T20:28:50Z Annually laminated sediments from marine or lacustrine settings represent valuable high-resolution archives of climate change that record variation due to changing precipitation and run-off from land or variation in biological productivity and flux in the water column. Because of their annual resolution such sediments may capture abrupt changes of interannual to decadal scales rivaling corals and ice cores in resolution. Laminated sediments often occur intermittently in the sediment column, and the onset and cessation of laminae commonly record the abrupt crossing of thresholds related to climate change, for example, in the degree of oxygenation of bottom waters. Such records from marginal basins and continental margins have been pivotal in demonstrating that abrupt changes hitherto documented only in high-latitude ice cores are synchronous with climatic change at low latitudes. These insights into global teleconnections have improved our understanding of the mechanisms of rapid climate change. In deep-sea settings, the discovery of the episodic occurrence of laminated diatom-rich sediments in the Equatorial Pacific and Southern Ocean provides evidence for massive climate-related biogeochemical excursions tied to abrupt changes in the input, distribution and availability of nutrients in the oceans. Article in Journal/Newspaper Southern Ocean University of Southampton: e-Prints Soton Pacific Southern Ocean Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences 361 1810 1851 1870 |
institution |
Open Polar |
collection |
University of Southampton: e-Prints Soton |
op_collection_id |
ftsouthampton |
language |
unknown |
description |
Annually laminated sediments from marine or lacustrine settings represent valuable high-resolution archives of climate change that record variation due to changing precipitation and run-off from land or variation in biological productivity and flux in the water column. Because of their annual resolution such sediments may capture abrupt changes of interannual to decadal scales rivaling corals and ice cores in resolution. Laminated sediments often occur intermittently in the sediment column, and the onset and cessation of laminae commonly record the abrupt crossing of thresholds related to climate change, for example, in the degree of oxygenation of bottom waters. Such records from marginal basins and continental margins have been pivotal in demonstrating that abrupt changes hitherto documented only in high-latitude ice cores are synchronous with climatic change at low latitudes. These insights into global teleconnections have improved our understanding of the mechanisms of rapid climate change. In deep-sea settings, the discovery of the episodic occurrence of laminated diatom-rich sediments in the Equatorial Pacific and Southern Ocean provides evidence for massive climate-related biogeochemical excursions tied to abrupt changes in the input, distribution and availability of nutrients in the oceans. |
format |
Article in Journal/Newspaper |
author |
Kemp, Alan E.S. |
spellingShingle |
Kemp, Alan E.S. Evidence for abrupt climate changes in annually laminated marine sediments |
author_facet |
Kemp, Alan E.S. |
author_sort |
Kemp, Alan E.S. |
title |
Evidence for abrupt climate changes in annually laminated marine sediments |
title_short |
Evidence for abrupt climate changes in annually laminated marine sediments |
title_full |
Evidence for abrupt climate changes in annually laminated marine sediments |
title_fullStr |
Evidence for abrupt climate changes in annually laminated marine sediments |
title_full_unstemmed |
Evidence for abrupt climate changes in annually laminated marine sediments |
title_sort |
evidence for abrupt climate changes in annually laminated marine sediments |
publishDate |
2003 |
url |
https://eprints.soton.ac.uk/2041/ |
geographic |
Pacific Southern Ocean |
geographic_facet |
Pacific Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_relation |
Kemp, Alan E.S. (2003) Evidence for abrupt climate changes in annually laminated marine sediments. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 361 (1810), 1851-1870. (doi:10.1098/RSTA.2003.1247 <http://dx.doi.org/10.1098/RSTA.2003.1247>). |
op_doi |
https://doi.org/10.1098/RSTA.2003.1247 |
container_title |
Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences |
container_volume |
361 |
container_issue |
1810 |
container_start_page |
1851 |
op_container_end_page |
1870 |
_version_ |
1772820120803999744 |