Leaf Area Index

sample thumbnail of surface reflectance image

 

LAI is deļ¬ned as the one-sided green leaf area per unit ground area in broadleaf canopies and as half the
total needle surface area per unit ground area in coniferous canopies. FPAR is the fraction of photosynthetically
active radiation (400-700 nm) absorbed by green vegetation. Both variables are used for calculating surface
photosynthesis, evapotranspiration, and net primary production, which in turn are used to calculate terrestrial
energy, carbon, water cycle processes, and biogeochemistry of vegetation. Algorithm refinements have improved
quality of retrievals and consistency with field measurements over all biomes, with a focus on woody vegetation.

 

 

Product PI: Ranga Myneni
PI-maintained product web page

User Guide

ATBD

 

 

See links below to the Product Description pages posted at the LP DAAC (product details, data access links, and more....)



Product Name


Leaf Area Index/FPAR 8-Day L4 Global 1km

Leaf Area Index/FPAR 4-Day L4 Global 1km

 

Terra Product ID


MOD15A2

Aqua Product ID


MYD15A2

Combined Product ID


MCD15A2

MCD15A3

21-Oct-2015