The High Resolution Model Intercomparison Project(HighResMIP)is a unique model intercomparison project in phase 6 of the Coupled Model Intercomparison Project(CMIP6),which is focused on the impact of horizontal resolu...The High Resolution Model Intercomparison Project(HighResMIP)is a unique model intercomparison project in phase 6 of the Coupled Model Intercomparison Project(CMIP6),which is focused on the impact of horizontal resolutions.The outputs of the high-and low-resolution versions of CAS FGOALS-f3-H and CAS FGOALS-f3-L for the experiments of the HighResMIP simulations in CMIP6 are described in this paper.The models and their configurations,experimental settings,and postprocessing methods are all introduced.CAS FGOALS-f3-H,with a 0.25°horizontal resolution,and CAS FGOALS-f3-L,with a 1°horizontal resolution,were forced by the standard external conditions,and two coordinated sets of simulations were conducted for 1950–2014 and 2015–50 with the Experiment IDs of‘highresSST-present’and‘highresSST-future’,respectively.The model outputs contain multiple time scales including the required hourly mean,three-hourly mean,six-hourly transient,daily mean,and monthly mean datasets.It is reported that the 0.25°CAS FGOALS-f3-H successfully simulates some of the key challenges in climate modeling,including the average lifetime of tropical cyclones,particularly in the western parts of the northern Pacific Ocean,and the diurnal cycle of hourly precipitation.These datasets will contribute to the benchmarking of current models for CMIP,and studies of the impacts of horizontal resolutions on climate modeling issues.展开更多
The datasets of the Chinese Academy of Sciences(CAS)Flexible Global Ocean–Atmosphere–Land System(FGOALS-f3-L)model for the baseline experiment of the fully coupled runs in the Diagnostic,Evaluation and Characterizat...The datasets of the Chinese Academy of Sciences(CAS)Flexible Global Ocean–Atmosphere–Land System(FGOALS-f3-L)model for the baseline experiment of the fully coupled runs in the Diagnostic,Evaluation and Characterization of Klima(DECK)common experiments of phase 6 of the Coupled Model Intercomparison Project(CMIP6)are described in this study.The CAS FGOALS-f3-L model team submitted the pi Control run with a near equilibrium ocean state for 561 model years,and 160-year integrations for three ensemble members of abrupt-4×CO2 and 1pct CO2,respectively.The ensemble members restart from the 600,650 and 700 model years in the pi Control run,respectively.The baseline performances of the model are validated in this article.The preliminary evaluation suggests that the CAS FGOALS-f3-L model can preserve the long-term stability well for a mean net radiation flux of 0.31 W m-2at the top of the atmosphere,and a limited decreasing trend of-0.03 W m-2/100 yr.The global annual mean SST is 16.45°C for the 561-year mean,with an increase of 0.03°C/100 yr.The model captures the basic spatial patterns of climate-mean SST and precipitation,but still underestimates the SST over the warm pool.The coupled model mitigates the precipitation bias in the ITCZ compared with the results from CMIP5.Moreover,the model’s climate sensitivity represented by the equilibrium climate sensitivity has been reduced from 4.5°C in CMIP5 to 3.0°C in CMIP6.All these datasets contribute to the benchmark of model behaviors for the desired continuity of CMIP.展开更多
基金jointly funded by the Strategic Priority Research Program of Chinese Academy of Sciences grant number XDB40030205the National Natural Science Foundation of China grant numbers 91737306,41675100,and U1811464。
文摘The High Resolution Model Intercomparison Project(HighResMIP)is a unique model intercomparison project in phase 6 of the Coupled Model Intercomparison Project(CMIP6),which is focused on the impact of horizontal resolutions.The outputs of the high-and low-resolution versions of CAS FGOALS-f3-H and CAS FGOALS-f3-L for the experiments of the HighResMIP simulations in CMIP6 are described in this paper.The models and their configurations,experimental settings,and postprocessing methods are all introduced.CAS FGOALS-f3-H,with a 0.25°horizontal resolution,and CAS FGOALS-f3-L,with a 1°horizontal resolution,were forced by the standard external conditions,and two coordinated sets of simulations were conducted for 1950–2014 and 2015–50 with the Experiment IDs of‘highresSST-present’and‘highresSST-future’,respectively.The model outputs contain multiple time scales including the required hourly mean,three-hourly mean,six-hourly transient,daily mean,and monthly mean datasets.It is reported that the 0.25°CAS FGOALS-f3-H successfully simulates some of the key challenges in climate modeling,including the average lifetime of tropical cyclones,particularly in the western parts of the northern Pacific Ocean,and the diurnal cycle of hourly precipitation.These datasets will contribute to the benchmarking of current models for CMIP,and studies of the impacts of horizontal resolutions on climate modeling issues.
基金jointly funded by the National Key Research and Development Program of Chinagrant number 2017YFA0604004the National Natural Science Foundation of China grant numbers 41530426+1 种基金91737306,U1811464,91837101,41730963,and 91958201the Strategic Priority Research Program of the Chinese Academy of Sciences grant numbers XDA19060102 and XDB40030205。
文摘The datasets of the Chinese Academy of Sciences(CAS)Flexible Global Ocean–Atmosphere–Land System(FGOALS-f3-L)model for the baseline experiment of the fully coupled runs in the Diagnostic,Evaluation and Characterization of Klima(DECK)common experiments of phase 6 of the Coupled Model Intercomparison Project(CMIP6)are described in this study.The CAS FGOALS-f3-L model team submitted the pi Control run with a near equilibrium ocean state for 561 model years,and 160-year integrations for three ensemble members of abrupt-4×CO2 and 1pct CO2,respectively.The ensemble members restart from the 600,650 and 700 model years in the pi Control run,respectively.The baseline performances of the model are validated in this article.The preliminary evaluation suggests that the CAS FGOALS-f3-L model can preserve the long-term stability well for a mean net radiation flux of 0.31 W m-2at the top of the atmosphere,and a limited decreasing trend of-0.03 W m-2/100 yr.The global annual mean SST is 16.45°C for the 561-year mean,with an increase of 0.03°C/100 yr.The model captures the basic spatial patterns of climate-mean SST and precipitation,but still underestimates the SST over the warm pool.The coupled model mitigates the precipitation bias in the ITCZ compared with the results from CMIP5.Moreover,the model’s climate sensitivity represented by the equilibrium climate sensitivity has been reduced from 4.5°C in CMIP5 to 3.0°C in CMIP6.All these datasets contribute to the benchmark of model behaviors for the desired continuity of CMIP.