The program also involves the application of satellite simulator software (COSP simulator package) that creates model output compatible with the retrievals of the International Satellite Cloud Climatology Project (ISCCP) as well as CloudSat, CALIPSO, MODIS, and other satellite instruments. We have a specific focus on the climate interactions of atmospheric composition (via aerosols and gas phase chemistry) both as a response to climate and as a mechanism for climate change. GCM developmental research focuses on sensitivity to parameterizations of clouds and moist convection, ground hydrology, and ocean-atmosphere-ice interactions. This project has included simulations for the historic period, future simulations out to 2300, and past simulations for the last 1000 years, the last glacial maximum and the mid-Holocene.
The GISS GCM is prominently featured in the Intergovernmental Panel on Climate Change (IPCC) reports (the upcoming AR6 as well as past reports), and over 50 TB of climate model results have been publicly archived for the 5th Coupled Model Intercomparison Project. Primary emphasis is placed on investigation of climate sensitivity -globally and regionally, including the climate system's response to diverse forcings such as solar variability, volcanoes, anthropogenic and natural emissions of greenhouse gases and aerosols, paleo-climate changes, etc.Ī major focus of GISS GCM simulations is to study the human impact on the climate as well as the effects of a changing climate on society and the environment. The climate modeling program at GISS is primarily aimed at the development of coupled atmosphere-ocean models for simulating Earth's climate system.
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