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Cited by 447

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Analysis of Permafrost Thermal Dynamics and Response to Climate Change in the CMIP5 Earth System Models

Open access
Koven, Charles D., Riley, William J., Stern, Alex·2013·Journal of Climate

Abstract

The authors analyze global climate model predictions of soil temperature [from the Coupled Model Intercomparison Project phase 5 (CMIP5) database] to assess the models’ representation of current-climate soil thermal dynamics and their predictions of permafrost thaw during the twenty-first century. The authors compare the models’ predictions with observations of active layer thickness, air temperature, and soil temperature and with theoretically expected relationships between active layer thickness and air temperature annual mean- and seasonal-cycle amplitude. Models show a wide range of current permafrost areas, active layer statistics (cumulative distributions, correlations with mean annual air temperature, and amplitude of seasonal air temperature cycle), and ability to accurately model the coupling between soil and air temperatures at high latitudes. Many of the between-model differences can be traced to differences in the coupling between either near-surface air and shallow soil temperatures or shallow and deeper (1 m) soil temperatures, which in turn reflect differences in snow physics and soil hydrology. The models are compared with observational datasets to benchmark several aspects of the permafrost-relevant physics of the models. The CMIP5 models following multiple representative concentration pathways (RCP) show a wide range of predictions for permafrost loss: 2%–66% for RCP2.6, 15%–87% for RCP4.5, and 30%–99% for RCP8.5. Normalizing the amount of permafrost loss by the amount of high-latitude warming in the RCP4.5 scenario, the models predict an absolute loss of 1.6 ± 0.7 million km 2 permafrost per 1°C high-latitude warming, or a fractional loss of 6%–29% °C−1.

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Crossref · 10.1175/jcli-d-12-00228.1

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Metadata

Authors
Koven, C. D., Riley, W. J., & Stern, A.
Venue
Journal of Climate
Published
2013-03-15
Volume
26
Issue
6
Pages
1877-1900
ISSN
  • 0894-8755 (ISSN-L)
  • 1520-0442
OpenAlex
W2074738924
Cited by
447
References
34
FWCI
12.19
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Analysis of Permafrost Thermal Dynamics and Response to Climate Change in the CMIP5 Earth System Models. https://app.cochat.ai/papers/10.1175/jcli-d-12-00228.1
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Koven, C. D., Riley, W. J., & Stern, A. (2013). Analysis of Permafrost Thermal Dynamics and Response to Climate Change in the CMIP5 Earth System Models. Journal of Climate. https://doi.org/10.1175/jcli-d-12-00228.1

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.