Orbital-to-millennial scale climate variability during Marine Isotope Stages 5 to 3 in northeast Iberia

Carlos Pérez-Mejías; Ana Moreno; Carlos Sancho; Rebeca Martín-García; Christoph Spötl; Isabel Cacho; Hai Cheng; R. Lawrence Edwards

doi:10.1016/j.quascirev.2019.105946

Orbital-to-millennial scale climate variability during Marine Isotope Stages 5 to 3 in northeast Iberia

Carlos Pérez-Mejías, Ana Moreno, Carlos Sancho, Rebeca Martín-García, Christoph Spötl, Isabel Cacho, Hai Cheng, R. Lawrence Edwards

Earth and Environmental Sciences-Twin Cities

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The climate during the last glacial cycle was characterized by abrupt millennial-scale changes superimposed on long-term orbital control. This study examines this climate variability for northeast Iberia for the time interval 118.9 to 36.9 kyr using a multi-proxy approach (δ¹⁸O, δ¹³C and Mg/Ca) applied to a stalagmite that covers this period continuously. During Marine Isotope Stage (MIS) 5 and 4, δ¹⁸O is controlled by orbital pacing, whereby more humid conditions prevailed during minima in boreal summer precession. In contrast, during MIS 3 δ¹⁸O lags precession and co-varies with δ¹³C (ρ = 0.53, p-value < 0.001, n = 500), suggesting a common control of both isotopes by reduced precipitation during dry periods. δ¹³C shows a positive correlation with Mg/Ca, reflecting water availability, vegetation productivity and microbial activity in the catchment of the cave's drip water. The δ¹³C values exhibit a response to Heinrich Stadials (HS) and other cold marine events (e.g. C26 to C23), as well as Dansgaard-Oeschger oscillations (D-O). The Last Interglacial ended at 108.6 ± 0.3 kyr at this site. Two periods with a marked “W-shape” pattern in δ¹³C can be recognized between 70 and 50 kyr (hereafter multi-event). The older multi-event (including HS-6 and D-O 18) is characterized in the North Atlantic by high IRD discharges and cold sea-surface temperatures, while the two phases attending to the hydrology in the study area suggest dry conditions prior to HS-6. A dry climate prevailed during the younger multi-event (including HS-5a and D-O 15), coincident with an increase in productivity-related foraminifera species at lower latitudes, suggesting a reinforcement of the trade winds associated with a stronger Hadley Cell.

Original language	English (US)
Article number	105946
Journal	Quaternary Science Reviews
Volume	224
DOIs	https://doi.org/10.1016/j.quascirev.2019.105946
State	Published - Nov 15 2019

Bibliographical note

Funding Information:
We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Aragón predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R (OPERA); CTM2016-75411-R (CHIMERA) and CGL2016-77479-R (SPYRIT) projects to IC and AM respectively. We thank the Aragón Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul Töchterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho.

Funding Information:
We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Aragón predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R ( OPERA ); CTM2016-75411-R ( CHIMERA ) and CGL2016-77479-R ( SPYRIT ) projects to IC and AM respectively. We thank the Aragón Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul Töchterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho.

Publisher Copyright:
© 2019 Elsevier Ltd

Keywords

Last glacial period
Orbital-millennial scale
Stable isotopes
Stalagmite
Western mediterranean

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title = "Orbital-to-millennial scale climate variability during Marine Isotope Stages 5 to 3 in northeast Iberia",

abstract = "The climate during the last glacial cycle was characterized by abrupt millennial-scale changes superimposed on long-term orbital control. This study examines this climate variability for northeast Iberia for the time interval 118.9 to 36.9 kyr using a multi-proxy approach (δ18O, δ13C and Mg/Ca) applied to a stalagmite that covers this period continuously. During Marine Isotope Stage (MIS) 5 and 4, δ18O is controlled by orbital pacing, whereby more humid conditions prevailed during minima in boreal summer precession. In contrast, during MIS 3 δ18O lags precession and co-varies with δ13C (ρ = 0.53, p-value < 0.001, n = 500), suggesting a common control of both isotopes by reduced precipitation during dry periods. δ13C shows a positive correlation with Mg/Ca, reflecting water availability, vegetation productivity and microbial activity in the catchment of the cave's drip water. The δ13C values exhibit a response to Heinrich Stadials (HS) and other cold marine events (e.g. C26 to C23), as well as Dansgaard-Oeschger oscillations (D-O). The Last Interglacial ended at 108.6 ± 0.3 kyr at this site. Two periods with a marked “W-shape” pattern in δ13C can be recognized between 70 and 50 kyr (hereafter multi-event). The older multi-event (including HS-6 and D-O 18) is characterized in the North Atlantic by high IRD discharges and cold sea-surface temperatures, while the two phases attending to the hydrology in the study area suggest dry conditions prior to HS-6. A dry climate prevailed during the younger multi-event (including HS-5a and D-O 15), coincident with an increase in productivity-related foraminifera species at lower latitudes, suggesting a reinforcement of the trade winds associated with a stronger Hadley Cell.",

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author = "Carlos P{\'e}rez-Mej{\'i}as and Ana Moreno and Carlos Sancho and Rebeca Mart{\'i}n-Garc{\'i}a and Christoph Sp{\"o}tl and Isabel Cacho and Hai Cheng and Edwards, {R. Lawrence}",

note = "Funding Information: We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Arag{\'o}n predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R (OPERA); CTM2016-75411-R (CHIMERA) and CGL2016-77479-R (SPYRIT) projects to IC and AM respectively. We thank the Arag{\'o}n Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul T{\"o}chterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho. Funding Information: We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Arag{\'o}n predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R ( OPERA ); CTM2016-75411-R ( CHIMERA ) and CGL2016-77479-R ( SPYRIT ) projects to IC and AM respectively. We thank the Arag{\'o}n Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul T{\"o}chterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho. Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

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T1 - Orbital-to-millennial scale climate variability during Marine Isotope Stages 5 to 3 in northeast Iberia

AU - Pérez-Mejías, Carlos

AU - Moreno, Ana

AU - Sancho, Carlos

AU - Martín-García, Rebeca

AU - Spötl, Christoph

AU - Cacho, Isabel

AU - Cheng, Hai

AU - Edwards, R. Lawrence

N1 - Funding Information: We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Aragón predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R (OPERA); CTM2016-75411-R (CHIMERA) and CGL2016-77479-R (SPYRIT) projects to IC and AM respectively. We thank the Aragón Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul Töchterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho. Funding Information: We acknowledge the funding received from NSFC 41888101 and 41731174 to HC and NSF Grant 0172816 to RLE, the Government of Aragón predoctoral research grant B158/13 to CPM, CTM2013-48639-C2-2-R ( OPERA ); CTM2016-75411-R ( CHIMERA ) and CGL2016-77479-R ( SPYRIT ) projects to IC and AM respectively. We thank the Aragón Institute of Statistics for climatic datasets. We are also grateful to Yanbin Lu for his help in the U-Th laboratory in Minnesota, Joaquin Perona for stable isotope analyses (CCiT-UBCC), Paul Töchterle and Manuela Wimmer for useful advises during isotopic analysis (Innsbruck) and to all people who helped during field work and sampling in the IPE-CSIC lab. IC also thanks the ICREA Academia programme from the Generalitat de Catalunya.This article is dedicated to the memory of Professor Carlos Sancho. Publisher Copyright: © 2019 Elsevier Ltd

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N2 - The climate during the last glacial cycle was characterized by abrupt millennial-scale changes superimposed on long-term orbital control. This study examines this climate variability for northeast Iberia for the time interval 118.9 to 36.9 kyr using a multi-proxy approach (δ18O, δ13C and Mg/Ca) applied to a stalagmite that covers this period continuously. During Marine Isotope Stage (MIS) 5 and 4, δ18O is controlled by orbital pacing, whereby more humid conditions prevailed during minima in boreal summer precession. In contrast, during MIS 3 δ18O lags precession and co-varies with δ13C (ρ = 0.53, p-value < 0.001, n = 500), suggesting a common control of both isotopes by reduced precipitation during dry periods. δ13C shows a positive correlation with Mg/Ca, reflecting water availability, vegetation productivity and microbial activity in the catchment of the cave's drip water. The δ13C values exhibit a response to Heinrich Stadials (HS) and other cold marine events (e.g. C26 to C23), as well as Dansgaard-Oeschger oscillations (D-O). The Last Interglacial ended at 108.6 ± 0.3 kyr at this site. Two periods with a marked “W-shape” pattern in δ13C can be recognized between 70 and 50 kyr (hereafter multi-event). The older multi-event (including HS-6 and D-O 18) is characterized in the North Atlantic by high IRD discharges and cold sea-surface temperatures, while the two phases attending to the hydrology in the study area suggest dry conditions prior to HS-6. A dry climate prevailed during the younger multi-event (including HS-5a and D-O 15), coincident with an increase in productivity-related foraminifera species at lower latitudes, suggesting a reinforcement of the trade winds associated with a stronger Hadley Cell.

AB - The climate during the last glacial cycle was characterized by abrupt millennial-scale changes superimposed on long-term orbital control. This study examines this climate variability for northeast Iberia for the time interval 118.9 to 36.9 kyr using a multi-proxy approach (δ18O, δ13C and Mg/Ca) applied to a stalagmite that covers this period continuously. During Marine Isotope Stage (MIS) 5 and 4, δ18O is controlled by orbital pacing, whereby more humid conditions prevailed during minima in boreal summer precession. In contrast, during MIS 3 δ18O lags precession and co-varies with δ13C (ρ = 0.53, p-value < 0.001, n = 500), suggesting a common control of both isotopes by reduced precipitation during dry periods. δ13C shows a positive correlation with Mg/Ca, reflecting water availability, vegetation productivity and microbial activity in the catchment of the cave's drip water. The δ13C values exhibit a response to Heinrich Stadials (HS) and other cold marine events (e.g. C26 to C23), as well as Dansgaard-Oeschger oscillations (D-O). The Last Interglacial ended at 108.6 ± 0.3 kyr at this site. Two periods with a marked “W-shape” pattern in δ13C can be recognized between 70 and 50 kyr (hereafter multi-event). The older multi-event (including HS-6 and D-O 18) is characterized in the North Atlantic by high IRD discharges and cold sea-surface temperatures, while the two phases attending to the hydrology in the study area suggest dry conditions prior to HS-6. A dry climate prevailed during the younger multi-event (including HS-5a and D-O 15), coincident with an increase in productivity-related foraminifera species at lower latitudes, suggesting a reinforcement of the trade winds associated with a stronger Hadley Cell.

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KW - Orbital-millennial scale

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KW - Western mediterranean

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Orbital-to-millennial scale climate variability during Marine Isotope Stages 5 to 3 in northeast Iberia

Abstract

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