Comparing global models of terrestrial net primary productivity (NPP): global pattern and differentiation by major biomes
1999
Kicklighter, D. W. | Bondeau, A. | Schloss, A. L. | Kaduk, J. | Mcguire, A. D. | Intercomparison, ThE. Participants OF. ThE. Potsdam NpP Model
Annual and seasonal net primary productivity estimates (NPP) of 15 global models across latitudinal zones and biomes are compared. The models simulated NPP for contemporary climate using common, spatially explicit data sets for climate, soil texture, and normalized difference vegetation index (NDVI). Differences among NPP estimates varied over space and time. The largest differences occur during the summer months in boreal forests (50° to 60°N) and during the dry seasons of tropical evergreen forests. Differences in NPP estimates are related to model assumptions about vegetation structure, model parameterizations, and input data sets.
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