The paleoclimatic footprint in the soil carbon stock of the Tibetan permafrost region

Jinzhi Ding, Tao Wang (Corresponding Author), Shilong Piao, Pete Smith, Ganlin Zhang, Zhengjie Yan, Shuai Ren, Dan Liu, Shiping Wang, Shengyun Chen, Fuqiang Dai, Jin-Sheng He, Yingnian Li, Yongwen Liu, Jiafu Mao, Altaf Arain, Hanqin Tian, Xiaoying Shi, Yuanhe Yang, Ning Zeng & 1 others Lin Zhao

Research output: Contribution to journalArticle

Abstract

Tibetan permafrost largely formed during the late Pleistocene glacial period and shrank in the Holocene Thermal Maximum period. Quantifying the impacts of paleoclimatic extremes on soil carbon stock can shed light on the vulnerability of permafrost carbon in the future. Here, we synthesize data from 1114 sites across the Tibetan permafrost region to report that paleoclimate is more important than modern climate in shaping current permafrost carbon distribution, and its importance increases with soil depth, mainly through forming the soil physiochemical properties. We derive a new estimate of modern soil carbon stock to 3 m depth by including the paleoclimate effects, and find that the stock (36.6 -2.4+2.3 PgC) is triple that predicted by ecosystem models (11.5 ± 4.2 s.e.m PgC), which use pre-industrial climate to initialize the soil carbon pool. The discrepancy highlights the urgent need to incorporate paleoclimate information into model initialization for simulating permafrost soil carbon stocks.
Original languageEnglish
Article number4195
JournalNature Communications
Volume10
DOIs
Publication statusPublished - 13 Sep 2019

Fingerprint

permafrost
Permafrost
footprints
soils
Soil
Carbon
Soils
carbon
Climate
climate
vulnerability
ecosystems
Ecosystems
Ecosystem
Hot Temperature
estimates

Keywords

  • carbon cycle
  • cryospheric science
  • paleoclimate
  • STORAGE
  • MATTER
  • CATION-EXCHANGE
  • STABILIZATION
  • CLIMATE-CHANGE
  • MECHANISMS
  • PLATEAU
  • ORGANIC-CARBON
  • DEGRADATION
  • PEDOGENESIS

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

The paleoclimatic footprint in the soil carbon stock of the Tibetan permafrost region. / Ding, Jinzhi; Wang, Tao (Corresponding Author); Piao, Shilong; Smith, Pete; Zhang, Ganlin ; Yan, Zhengjie; Ren, Shuai; Liu, Dan; Wang, Shiping; Chen, Shengyun; Dai, Fuqiang; He, Jin-Sheng; Li, Yingnian; Liu, Yongwen; Mao, Jiafu; Arain, Altaf; Tian, Hanqin; Shi, Xiaoying; Yang, Yuanhe; Zeng, Ning; Zhao, Lin.

In: Nature Communications, Vol. 10, 4195, 13.09.2019.

Research output: Contribution to journalArticle

Ding, J, Wang, T, Piao, S, Smith, P, Zhang, G, Yan, Z, Ren, S, Liu, D, Wang, S, Chen, S, Dai, F, He, J-S, Li, Y, Liu, Y, Mao, J, Arain, A, Tian, H, Shi, X, Yang, Y, Zeng, N & Zhao, L 2019, 'The paleoclimatic footprint in the soil carbon stock of the Tibetan permafrost region', Nature Communications, vol. 10, 4195. https://doi.org/10.1038/s41467-019-12214-5
Ding, Jinzhi ; Wang, Tao ; Piao, Shilong ; Smith, Pete ; Zhang, Ganlin ; Yan, Zhengjie ; Ren, Shuai ; Liu, Dan ; Wang, Shiping ; Chen, Shengyun ; Dai, Fuqiang ; He, Jin-Sheng ; Li, Yingnian ; Liu, Yongwen ; Mao, Jiafu ; Arain, Altaf ; Tian, Hanqin ; Shi, Xiaoying ; Yang, Yuanhe ; Zeng, Ning ; Zhao, Lin. / The paleoclimatic footprint in the soil carbon stock of the Tibetan permafrost region. In: Nature Communications. 2019 ; Vol. 10.
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abstract = "Tibetan permafrost largely formed during the late Pleistocene glacial period and shrank in the Holocene Thermal Maximum period. Quantifying the impacts of paleoclimatic extremes on soil carbon stock can shed light on the vulnerability of permafrost carbon in the future. Here, we synthesize data from 1114 sites across the Tibetan permafrost region to report that paleoclimate is more important than modern climate in shaping current permafrost carbon distribution, and its importance increases with soil depth, mainly through forming the soil physiochemical properties. We derive a new estimate of modern soil carbon stock to 3 m depth by including the paleoclimate effects, and find that the stock (36.6 -2.4+2.3 PgC) is triple that predicted by ecosystem models (11.5 ± 4.2 s.e.m PgC), which use pre-industrial climate to initialize the soil carbon pool. The discrepancy highlights the urgent need to incorporate paleoclimate information into model initialization for simulating permafrost soil carbon stocks.",
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