Climate Change Research ›› 2020, Vol. 16 ›› Issue (5): 536-544.doi: 10.12006/j.issn.1673-1719.2020.001

• Cryosphere Service • Previous Articles     Next Articles

Evaluating climate regulation service of snow cover in China

LIU Shi-Wei1,2, WANG Xiaoming1(), XIAO Cun-De3, YANG Yang1,2, WU Xue-Jiao1   

  1. 1 State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China
    2 University of Chinese Academy of Sciences, Beijing 100049, China
    3 State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China
  • Received:2019-12-31 Revised:2020-03-24 Online:2020-09-30 Published:2020-09-30
  • Contact: WANG Xiaoming


Based on long time series dataset of snow depth in China, ERA-5 albedo data, and CESM-CAM5 radiative kernel data, the radiative forcing of snow cover in China from 1988 to 2016 was analyzed, and its atmospheric carbon equivalent was then calculated by the approach applied in DICE/RICE model. The climate regulation service of annual mean snow cover and its spatiotemporal change were subsequently analyzed. The results show that the contribution of snow cover in China to the global radiative forcing is -0.22 (±0.01) W/m2, and the equivalent reduction of atmospheric carbon is 17 (±1) Gt C. By applying the current carbon price, the economic value of average climate regulation service alone can reach 3.9 (±2.1) trillion CNY. Meanwhile, it was also found that the carbon equivalent of snow cover climate regulation services decreases at a rate of 66.7 million t/a in China, which is equivalent to an annual loss of 15.0 (±1.2) billion CNY. The cumulative value loss is 410 (±32.8) billion CNY through 29 years. Division from climate regulation function of snow cover in China is finally proposed.

Key words: Snow cover, Climate regulation, Radiative forcing, Cryospheric service, Carbon equivalent

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