Abstract
Net primary production (NPP) of terrestrial vegetation is probably the most fundamental measure of global habitability. Previous attempts to estimate NPP of large areas have developed correlations with one of three basic variables; actual evapotranspiration (AET), leaf area index (LAI), or absorbed photosynthetically active radiation (APAR). This paper presents ideas that integrate these three variables into a new formula for estimating NPP of large areas. The three key variables needed, LAI, intercepted shortwave radiation (Qint), and surface temperature (Tgrow) are all measurable by current satellites. Consequently, a first dynamic estimate of global terrestrial NPP may now be possible integrating satellite measurements with simple ecosystem models of carbon conversion efficiency.
| Original language | English |
|---|---|
| Pages (from-to) | 233-242 |
| Number of pages | 10 |
| Journal | Science of the Total Environment |
| Volume | 56 |
| Issue number | C |
| DOIs | |
| State | Published - Nov 15 1986 |
Funding
ACKNOWLEDGEMENT This research was funded by the Earth Sciences and Application Division of the National Aeronautics and Space Administration, Washington, D.C., U.S.A.
| Funders |
|---|
| National Aeronautics and Space Administration |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 15 Life on Land
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