Global primary production from terrestrial vegetation: Estimates integrating satellite remote sensing and computer simulation technology

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)233-242
Number of pages10
JournalScience of the Total Environment
Volume56
Issue numberC
DOIs
StatePublished - Nov 15 1986

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