hdl:10013/epic.44064
The Holocene temperature conundrum
Liu, Zhengyu, Zhu, Jiang, Rosenthal, Yair, Zhang, Xu 
ORCID: https://orcid.org/0000-0003-1833-9689, Otto-Bliesner, Bette L., Timmermann, Axel, Smith, Robin S., Lohmann, Gerrit ORCID: https://orcid.org/0000-0003-2089-733X, Zheng, Weipeng and Timm, Oliver E.
;
ORCID: https://orcid.org/0000-0003-1833-9689, Otto-Bliesner, Bette L., Timmermann, Axel, Smith, Robin S., Lohmann, Gerrit ORCID: https://orcid.org/0000-0003-2089-733X, Zheng, Weipeng and Timm, Oliver E.
;
Contact
Xu.Zhang [ at ] awi.de
Abstract
A recent temperature reconstruction of global annual temperature shows Early Holocene warmth followed by a cooling trend through the Middle to Late Holocene [Marcott SA, et al., 2013, Science 339(6124):1198–1201]. This global cooling is puzzling because it is opposite from the expected and simulated global warming trend due to the retreating ice sheets and rising atmospheric greenhouse gases. Our critical reexamination of this contradiction between the reconstructed cooling and the simulated warming points to potentially significant biases in both the seasonality of the proxy reconstruction and the climate sensitivity of current climate models.
Item Type
Article
Authors
Liu, Zhengyu, Zhu, Jiang, Rosenthal, Yair, Zhang, Xu ORCID: https://orcid.org/0000-0003-1833-9689, Otto-Bliesner, Bette L., Timmermann, Axel, Smith, Robin S., Lohmann, Gerrit ORCID: https://orcid.org/0000-0003-2089-733X, Zheng, Weipeng and Timm, Oliver E.
;
ORCID: https://orcid.org/0000-0003-1833-9689, Otto-Bliesner, Bette L., Timmermann, Axel, Smith, Robin S., Lohmann, Gerrit ORCID: https://orcid.org/0000-0003-2089-733X, Zheng, Weipeng and Timm, Oliver E.
;
Divisions
AWI Organizations > Climate Sciences > Paleo-climate Dynamics
AWI Organizations > Graduate Research Schools > POLMAR
AWI Organizations > Graduate Research Schools > POLMAR
Primary Division
Programs
Helmholtz Research Programs > PACES I (2009-2013) > TOPIC 4: Synthesis: The Earth System from a Polar Perspective > WP 4.2: The Earth System on Long Time Scales
Helmholtz Research Programs > PACES II (2014-2020) > TOPIC 3: The earth system from a polar perspective > WP 3.1: Circumpolar climate variability and global teleconnections at seasonal to orbital time scales
Helmholtz Research Programs > PACES II (2014-2020) > TOPIC 3: The earth system from a polar perspective > WP 3.1: Circumpolar climate variability and global teleconnections at seasonal to orbital time scales
Primary Topic
Helmholtz Programs > Helmholtz Research Programs > PACES I (2009-2013) > TOPIC 4: Synthesis: The Earth System from a Polar Perspective > WP 4.2: The Earth System on Long Time Scales
Publication Status
Published
Eprint ID
36167
DOI
10.1073/pnas.1407229111
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Cite as
Liu, Z.
,
Zhu, J.
,
Rosenthal, Y.
,
Zhang, X.
,
Otto-Bliesner, B. L.
,
Timmermann, A.
,
Smith, R. S.
,
Lohmann, G.
,
Zheng, W.
and
Timm, O. E.
(2014):
The Holocene temperature conundrum
,
PNAS,
111
(34),
E3501-E3505
.
doi: 10.1073/pnas.1407229111
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