Long- and short-term carbon fluctuations in the Eastern Mediterranean during the late Holocene

Abstract

Research Article| December 01, 2001 Long- and short-term carbon fluctuations in the Eastern Mediterranean during the late Holocene Bettina Schilman; Bettina Schilman 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Search for other works by this author on: GSW Google Scholar Ahuva Almogi-Labin; Ahuva Almogi-Labin 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Search for other works by this author on: GSW Google Scholar Miryam Bar-Matthews; Miryam Bar-Matthews 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Search for other works by this author on: GSW Google Scholar Laurent Labeyrie; Laurent Labeyrie 2Laboratoire des Sciences du Climat et de l'Environnement (CEA-CNRS), Gif-sur-Yvette, France Search for other works by this author on: GSW Google Scholar Martine Paterne; Martine Paterne 2Laboratoire des Sciences du Climat et de l'Environnement (CEA-CNRS), Gif-sur-Yvette, France Search for other works by this author on: GSW Google Scholar Boaz Luz Boaz Luz 3Institute of Earth Sciences, Hebrew University, Jerusalem 91904, Israel Search for other works by this author on: GSW Google Scholar Author and Article Information Bettina Schilman 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Ahuva Almogi-Labin 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Miryam Bar-Matthews 1Geological Survey, 30 Malkhei Israel, Jerusalem 95501, Israel Laurent Labeyrie 2Laboratoire des Sciences du Climat et de l'Environnement (CEA-CNRS), Gif-sur-Yvette, France Martine Paterne 2Laboratoire des Sciences du Climat et de l'Environnement (CEA-CNRS), Gif-sur-Yvette, France Boaz Luz 3Institute of Earth Sciences, Hebrew University, Jerusalem 91904, Israel Publisher: Geological Society of America Received: 21 Mar 2001 Revision Received: 25 Jun 2001 Accepted: 20 Jul 2001 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2001) 29 (12): 1099–1102. https://doi.org/10.1130/0091-7613(2001)029<1099:LASTCF>2.0.CO;2 Article history Received: 21 Mar 2001 Revision Received: 25 Jun 2001 Accepted: 20 Jul 2001 First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Bettina Schilman, Ahuva Almogi-Labin, Miryam Bar-Matthews, Laurent Labeyrie, Martine Paterne, Boaz Luz; Long- and short-term carbon fluctuations in the Eastern Mediterranean during the late Holocene. Geology 2001;; 29 (12): 1099–1102. doi: https://doi.org/10.1130/0091-7613(2001)029<1099:LASTCF>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract A high-resolution record of carbon isotope changes during the late Holocene was obtained in core GA-112 from the easternmost Mediterranean. Over the past 3600 yr, a gradual 13C-depletion trend shown by both planktonic and benthic foraminifera corresponds to a global rise in atmospheric CO2. The global and local trends suggest that aridification and biomass destruction in the Nile basin played a major role in the global CO2 rise in the late Holocene. Superimposed on the general δ13C trend are four mirror- image cycles in δ13C of planktonic and benthic foraminifera. Higher planktonic δ13C values reflect periods of high productivity off the coast of Israel. Simultaneously, decrease in the benthic δ13C values occurred because of degradation of higher organic-matter fluxes to the sediment. Therefore, large differences between the two records indicate periods of high productivity. The Eastern Mediterranean productivity fluctuations respond to a periodical replenishment of nutrients to the mixed layer via Nile runoff. Historical data of the Nile flood fluctuations for the past ∼1400 yr show a remarkable coincidence between high and low Nile floods and high and low Eastern Mediterranean productivity levels, which are correlated with the periodic monsoonal activity over the Nile headwaters. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.