o Climate observations from both space-based and in situ platforms that are taken in ways that address climate needs and adhere to the ten principles outlined by the NRC (1999).
o A global telecommunications network and satellite data telemetry capacity to enable data and products to be disseminated.
o A climate observations analysis capability that produces global and regional analyses of various products for the atmosphere, oceans, land surface and hydrology, and the cryosphere.
o Four dimensional data assimilation capabilities that process the multivariate data in a physically consistent framework to enable production of the analyses, not just for the atmosphere but also for the oceans, land surface and so on.
o Global climate models that encompass all parts of the climate system and which are utilized in data assimilation and in making ensemble predictions.
o A climate observation oversight and monitoring center that tracks the performance of the observations, the gathering of the data, and the processing system.