The Flexible Global Ocean-Atmosphere-Land System Model, Grid-point Version 2: FGOALS-g2

LI Lijuan; LIN Pengfei; YU Yongqiang; WANG Bin; ZHOU Tianjun; LIU Li; LIU Jiping; BAO Qing; XU Shiming; HUANG Wenyu; XIA Kun; PU Ye; DONG Li; SHEN Si; LIU Yimin; HU Ning; LIU Mimi; SUN Wenqi; SHI Xiangjun; ZHENG Weipeng; WU Bo; SONG Mirong; LIU Hailong; ZHANG Xuehong; WU Guoxiong; XUE Wei; HUANG Xiaomeng; YANG Guangwen; SONG Zhenya; and QIAO Fangli

doi:10.1007/s00376-012-2140-6

Volume 30 Issue 3

May 2013

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 2013 > 30(3): 543-560

The Flexible Global Ocean-Atmosphere-Land System Model, Grid-point Version 2: FGOALS-g2

1.
State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
2.
Ministry of Education Key Laboratory for Earth System Modeling, Center of Earth System Science, Tsinghua University, Beijing 100084
3.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061
4.
Climate Center, Hebei Meteorological Administration, Shijiazhuang 050021

doi: 10.1007/s00376-012-2140-6

Abstract
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Abstract:
This study mainly introduces the development of the Flexible Global Ocean-Atmosphere-Land System Model: Grid-point Version 2 (FGOALS-g2) and the preliminary evaluations of its performances based on results from the pre-industrial control run and four members of historical runs according to the fifth phase of the Coupled Model Intercomparison Project (CMIP5) experiment design. The results suggest that many obvious improvements have been achieved by the FGOALS-g2 compared with the previous version,FGOALS-g1, including its climatological mean states, climate variability, and 20th century surface temperature evolution. For example,FGOALS-g2 better simulates the frequency of tropical land precipitation, East Asian Monsoon precipitation and its seasonal cycle, MJO and ENSO, which are closely related to the updated cumulus parameterization scheme, as well as the alleviation of uncertainties in some key parameters in shallow and deep convection schemes,cloud fraction,cloud macro/microphysical processes and the boundary layer scheme in its atmospheric model. The annual cycle of sea surface temperature along the equator in the Pacific is significantly improved in the new version. The sea ice salinity simulation is one of the unique characteristics of FGOALS-g2, although it is somehow inconsistent with empirical observations in the Antarctic.
- FGOALS-g2, climatological mean state, climate variability, 20th century climate, monsoon
References

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