This application from NASA provides datasets and a viewer for geographic data that support large-scale carbon inventory. The datasets combine NASA remote sensing technology, ecosystem process modeling, and field-based measurements to characterize impacts on the carbon cycle.
The CQUEST Viewer application allows users to display data interactively as a map, customize the view, print image files, and obtain data values in tabular format. Global data layers include net primary productivity, net ecosystem productivity, and soil microbial CO2 among others.
The CQUEST viewer is free, but requires users to register.