Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly?
South-eastern Spain is one of the driest regions in Europe and thus, prone to drought. Terrestrial climate records covering the late Glacial and Holocene from this area are sparse. Here, we present a flowstone record from Cueva Victoria, south-eastern Spain, which covers the late Glacial (15 ka) to...
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Language: | English |
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Online Access: | http://hdl.handle.net/21.11116/0000-0004-CA66-6 |
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ftpubman:oai:pure.mpg.de:item_3167833 2023-08-27T04:11:00+02:00 Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? Budsky, A. Scholz, D. Wassenburg, J. Mertz-Kraus, R. Spoetl, C. Riechelmann, D. Gibert, L. Jochum, K. Andreae, M. 2019 http://hdl.handle.net/21.11116/0000-0004-CA66-6 eng eng info:eu-repo/semantics/altIdentifier/doi/10.1177/0959683619838021 http://hdl.handle.net/21.11116/0000-0004-CA66-6 The Holocene info:eu-repo/semantics/article 2019 ftpubman https://doi.org/10.1177/0959683619838021 2023-08-02T00:05:53Z South-eastern Spain is one of the driest regions in Europe and thus, prone to drought. Terrestrial climate records covering the late Glacial and Holocene from this area are sparse. Here, we present a flowstone record from Cueva Victoria, south-eastern Spain, which covers the late Glacial (15 ka) to the mid-Holocene (7 ka) including the Younger Dryas (YD). Between the onset of the Bølling/Allerød (B/A) and the early Holocene, flowstone δ18O values progressively decrease in accordance with sea-surface temperatures in the Alboran Sea, indicating an increase in precipitation in south-eastern Spain and a supra-regional signal of North Atlantic temperature change. At the same time, decreasing δ13C values suggest progressively increasing precipitation and vegetation density. This trend is interrupted by both colder and drier conditions during the YD. Between 9.7 ± 0.3 and 7.8 ± 0.2 ka, a large positive excursion of the δ13C values indicates a strong reduction in vegetation density, probably as a consequence of very dry spring/summer conditions. In combination with the continuously low speleothem δ18O values and a nearly unchanged growth rate, this suggests increased seasonality (i.e. drier spring/summer conditions, but not a strong reduction in annual precipitation). This is consistent with several other climate records from the Western Mediterranean region, showing that the Western Mediterranean realm (Spain, Italy) experienced pronounced spring/summer drought during this time interval. Interestingly, the timing of this dry period coincided with the African Humid Period. This may be part of a teleconnection with the North African Monsoon via the Hadley cell circulation. Article in Journal/Newspaper North Atlantic Max Planck Society: MPG.PuRe Cueva ENVELOPE(-62.600,-62.600,-64.150,-64.150) The Holocene 29 7 1113 1133 |
institution |
Open Polar |
collection |
Max Planck Society: MPG.PuRe |
op_collection_id |
ftpubman |
language |
English |
description |
South-eastern Spain is one of the driest regions in Europe and thus, prone to drought. Terrestrial climate records covering the late Glacial and Holocene from this area are sparse. Here, we present a flowstone record from Cueva Victoria, south-eastern Spain, which covers the late Glacial (15 ka) to the mid-Holocene (7 ka) including the Younger Dryas (YD). Between the onset of the Bølling/Allerød (B/A) and the early Holocene, flowstone δ18O values progressively decrease in accordance with sea-surface temperatures in the Alboran Sea, indicating an increase in precipitation in south-eastern Spain and a supra-regional signal of North Atlantic temperature change. At the same time, decreasing δ13C values suggest progressively increasing precipitation and vegetation density. This trend is interrupted by both colder and drier conditions during the YD. Between 9.7 ± 0.3 and 7.8 ± 0.2 ka, a large positive excursion of the δ13C values indicates a strong reduction in vegetation density, probably as a consequence of very dry spring/summer conditions. In combination with the continuously low speleothem δ18O values and a nearly unchanged growth rate, this suggests increased seasonality (i.e. drier spring/summer conditions, but not a strong reduction in annual precipitation). This is consistent with several other climate records from the Western Mediterranean region, showing that the Western Mediterranean realm (Spain, Italy) experienced pronounced spring/summer drought during this time interval. Interestingly, the timing of this dry period coincided with the African Humid Period. This may be part of a teleconnection with the North African Monsoon via the Hadley cell circulation. |
format |
Article in Journal/Newspaper |
author |
Budsky, A. Scholz, D. Wassenburg, J. Mertz-Kraus, R. Spoetl, C. Riechelmann, D. Gibert, L. Jochum, K. Andreae, M. |
spellingShingle |
Budsky, A. Scholz, D. Wassenburg, J. Mertz-Kraus, R. Spoetl, C. Riechelmann, D. Gibert, L. Jochum, K. Andreae, M. Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
author_facet |
Budsky, A. Scholz, D. Wassenburg, J. Mertz-Kraus, R. Spoetl, C. Riechelmann, D. Gibert, L. Jochum, K. Andreae, M. |
author_sort |
Budsky, A. |
title |
Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
title_short |
Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
title_full |
Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
title_fullStr |
Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
title_full_unstemmed |
Speleothem δ13C record suggests enhanced spring/summer drought in south-eastern Spain between 9.7 and 7.8 ka – A circum-Western Mediterranean anomaly? |
title_sort |
speleothem δ13c record suggests enhanced spring/summer drought in south-eastern spain between 9.7 and 7.8 ka – a circum-western mediterranean anomaly? |
publishDate |
2019 |
url |
http://hdl.handle.net/21.11116/0000-0004-CA66-6 |
long_lat |
ENVELOPE(-62.600,-62.600,-64.150,-64.150) |
geographic |
Cueva |
geographic_facet |
Cueva |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
The Holocene |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1177/0959683619838021 http://hdl.handle.net/21.11116/0000-0004-CA66-6 |
op_doi |
https://doi.org/10.1177/0959683619838021 |
container_title |
The Holocene |
container_volume |
29 |
container_issue |
7 |
container_start_page |
1113 |
op_container_end_page |
1133 |
_version_ |
1775353429014609920 |