期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 111, 期 34, 页码 E3501-E3505出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1407229111
关键词
global temperature; Holocene temperature; model-data inconsistency
资金
- National Science Foundation
- Chinese National Science Foundation [NSFC41130105]
- Department of Energy
- Chinese Ministry of Science and Technology [2012CB955200]
- Natural Environment Research Council [ncas10009] Funding Source: researchfish
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [1010869] Funding Source: National Science Foundation
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.
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