C⁴MIP (more fully, Coupled Climate Carbon Cycle Model Intercomparison Project) is a joint project between the

International Geosphere-Biosphere Programme The International Geosphere-Biosphere Programme (IGBP) was a research programme that ran from 1987 to 2015 dedicated to studying the phenomenon of global change. Its primary focus was coordinating "international research on global-scale and region ...

(IGBP) and the

World Climate Research Programme The World Climate Research Programme (WCRP) is an international programme that helps to coordinate global climate research. The WCRP was established in 1980, under the joint sponsorship of the World Meteorological Organization (WMO) and the Inter ...

(WCRP). It is a model intercomparison project along the lines of the

Atmospheric Model Intercomparison Project Atmospheric Model Intercomparison Project (AMIP) is a standard experimental protocol for global atmospheric general circulation models (AGCMs). It provides a community-based infrastructure in support of climate model diagnosis, validation, intercomp ...

, but for

global climate model A general circulation model (GCM) is a type of climate model. It employs a mathematical model of the general circulation of a planetary atmosphere or ocean. It uses the Navier–Stokes equations on a rotating sphere with thermodynamic terms f ...

s that include an interactive

carbon cycle The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and Earth's atmosphere, atmosphere of the Earth. Carbon is the main component of biological compounds as well as ...

External links

* https://web.archive.org/web/20050402053554/http://climate.ornl.gov/c4mip/ * Numerical climate and weather models {{climate-change-stub