北京大学官网北京大学新闻网 English
胡永云
点赞:
胡永云
点赞:
PhDs (Phanerozoic Deep-time simulations)

The PhDs program (Phanerozoic Deep-time Climate Simulations)

The Phanerozoic Eon has witnessed considerable changes in the climate system as well as abundant animals and plant life. Thus, the climate system had evolved with tectonics, and climate changes impacted on the ecosystem in the Phanerozoic are of great interests. The PhDs program simulates the evolution climate and ecosystem in the past 540 million years, using a fully coupled Earth system model (CESM1.2.2). Simulation results are archived and publically released. All are welcome to use the data for academic studies.

55 time-slice simulations were performed for the past 540 million years, with a 10-million-year interval. Each time-slice simulation includes two steps. We first use the lower-resolution fully coupled CESM1.2.2 (T31, 3.75° × 3.75° in latitude and longitude) to generate sea surface temperatures (SSTs) and vegetation. Then, the SSTs and vegetation are used to drive the higher-resolution (0.9° × 1.25° in latitude and longitude) atmospheric model to generate global distributions of monthly surface temperatures and precipitation.

References

       Detailed information of model setup and simulation design is described in the following two papers:

1.      Xiang Li, Yongyun Hu*, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Jing Han, Jian Zhang, Xiujuan Bao, Shuai Yuan, Zihan Yin, Chengguang Zhu, Yonggang Liu, Jun Yang, Ji Nie, 2022:  A global high-resolution climate simulation dataset for the past 540 million years. Scientific Data, 9: 371, https://doi.org/10.1038/s41597-022-01490-4.

2.      Xiang Li, Yongyun Hu*, Jun Yang, Mengyu Wei, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Shuai Yuan, Jian Zhang, Yonggang Liu, Ji Nie, Yan Xia, Shineng Hu, 2023: Climate Variations in the Past 250 Million Years and Contributing Factors. Paleoclimatology and Paleo-oceanography, 38, e2022PA004503, https://doi.org/10.1029/2022PA004503.


Datasets

The high-resolution AGCM data is archived at: Li, X. et al. A high-resolution climate simulation dataset for the past 540 million years. figshare https://doi.org/10.6084/m9.figshare.19920662.v1 (2022).

The high-resolution datasets are constructed in the form of the NetCDF File "High_Resolution_Climate_Simulation_Dataset_540_Myr.nc".

Climate variables, averaged over the last 60 model years, include monthly surface temperatures (T; unit: °C; Not surface air temperatures), precipitation (P; unit: mm month-1), fraction of surface land area (LANDFRAC; unit: fraction), surface geopotential (PHIS; unit: m2 s-2), surface albedo (SALB; unit: fraction), and zonal (U; unit: m s-1), meridional (V; unit: m s-1) winds at 1000 hPa. T, P, SALB, U, and V have the dimensions of 55 (simulation) × 12 (month) × 192 (latitude) × 288 (longitude), and LANDFRAC and PHIS have the dimensions of 55 (simulation) × 192 (latitude) × 288 (longitude).

       The lower-resolution AOGCM data is archived at: Li, X., & Hu, Y. (2022). Climate variations in the past 250 million years and contributing factors [Dataset]. Zenodo. https://doi.org/10.5281/zenodo.7322003.

       For more data requests, please contact Professor Yongyun Hu at yyhu@pku.edu.cn.

Animations


The evolution of the annual mean surface temperature (top) and precipitation (bottom) in the Phanerozoic.



图片1.gif


Global monsoon evolution in the past 250 million years.



Publications based on the above data

1.   Xiang Li, Yongyun Hu*, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Jing Han, Jian Zhang, Xiujuan Bao, Shuai Yuan, Zihan Yin, Chengguang Zhu, Yonggang Liu, Jun Yang, Ji Nie, 2022:  A global high-resolution climate simulation dataset for the past 540 million years. Scientific Data9:371, DOI: 10.1038/s41597-022-01490-4.

2.      Xiang Li, Yongyun Hu*, Jun Yang, Mengyu Wei, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Shuai Yuan, Jian Zhang, Yonggang Liu, Ji Nie, Yan Xia, Shineng Hu, 2023: Climate Variations in the Past 250 Million Years and Contributing Factors. Paleoclimatology and Paleo-oceanography38, e2022PA004503, DOI: 10.1029/2022PA004503.

3.     Lan J, J. Yang, Y. Hu, X. Li, J. Guo, Q. Lin, Y. Liu, J. Han, J. Zhang, Z. Zhao, S. Wang, J. Nie, 2022: Weak Equatorial Superrotation During the Past 250 Million years. J. Atmos. Sci.80, 4, 1003-1023, DOI: 10.1175/JAS-D-22-0072.1.

4.      Xiujuan Bao, Yongyun Hu*, Christopher R. Scotese, Xiang Li, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Shuai Yuan, Mengyu Wei, Zhibo Li, Kai Man, Zihan Yin, Jing Han, Jian Zhang, Qiang Wei, Yonggang Liu, Jun Yang, Ji Nie, 2022: Quantifying Climate Conditions for the Formation of Coals and Evaporites. National Science Review10, https://doi.org/10.1093/nsr/nwad051. 

5.      Yan Xia, Xiang Li, Yongyun Hu*, Yi Huang, Chuanfeng Zhao, and Fei Xie, 2022: Significant contribution of paleogeography to stratospheric water vapor variations in the past 250 million years. GRL, DOI:10.1029/2022GL100919.

6.      Qing Yan, Xiang Li, David B. Kemp, Jiaqi Guo, Zhongshi Zhang, Yongyun Hu*, 2022: Elevated atmospheric CO2 drove an increase in tropical cyclone intensity during the early Toarcian hyperthermal. PNAS, accepted.

7.      Jing Han, Ji Nie*, Yongyun Hu*, William R. Boos, Yonggang Liu, Jun Yang, Shuai Yuan, Xiang Li, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Xiujuan Bao, Mengyu Wei, Zhibo Li, Kai Man, Zihan Yin, 2023: Continental drift shifts tropical rainfall by altering radiation and ocean heat transport. Sci. Adv. 9, DOI: 10.1126/sciadv.adf7209.

8.      Shiyan Zhang, Yongyun Hu*, Jun Yang, Xiang Li, Wanying Kang, Jian Zhang, Yonggang Liu, Ji Nie, 2023: The Hadley Circulation in the Pangea era. Science Bulletinhttps://doi.org/10.1016/j.scib.2023.04.021.

9.      Ren Wei; Mingsong Li; Rui Zhang; Yongyun Hu; James G. Ogg; Guoyong Liu; He Huang; Xiangwu He; Shuai Yuan; Qifan Lin, 2023: Obliquity forcing of continental aquifers during the late Paleozoic ice age. EPSL613, 118174. https://doi.org/10.1016/j.epsl.2023.118174.

10.  Yongyun Hu*, Xiang Li, William Boos, Jiaqi Guo, Jiawenjing Lan, Qifan Lin, Jing Han, Jian Zhang, Xiujuan Bao, Shuai Yuan, Yonggang Liu, Jun Yang, Ji Nie, Zhengtang Guo*, 2023: Emergence of the modern global monsoon from the Pangea Megamonsoon. Nature Geoscience, 10.1038/s41561-023-01288-y.

11.  Zhibo Li, Yongyun Hu *, Qiang Fu, Xiujuan Bao, Jian Zhang, Xiang Li, Jiaqi Guo, Qifan Lin, Shuai Yuan, Jiawenjing Lan, Jing Han, Shiyan Zhang, Qiang Wei, Yonggang Liu, Jun Yang, Ji Nie, Zhengtang Guo, 2023: Terrestrial Aridity and Dryland Evolutions since Pangea. submitted