Variable: Leaf Area Index (LAI)

Definition
Full name Leaf Area Index (LAI)
Definition LAI is the total one-sided area of photosynthetic tissue per unit ground surface area
Measuring Units % Uncertainty Units %
Horizontal Res Units km Vertical Res Units
Stability Units % (Stability /decade)

 

Comment: (Defined in GTOS Report No.66, 2009, p. 1).
Last modified: 2012-03-06
Classification
  • Domain: Terrestrial
    • Sub-domain: Land surface
      • Variable: Leaf Area Index (LAI)
        • Measured in Layers:
          • Land surface
  • Cross-cutting themes:

Requirements defined for Leaf Area Index (LAI)  (6)

This tables shows all related requirements. For more operations/filtering, please consult the full list of Requirements
Note: In reading the values, goal is marked blue, breakthrough green and threshold orange

Id Variable Layer App Area Uncertainty Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source
41 Leaf Area Index (LAI) Land surface Agricultural Meteorology 5 %
7 %
10 %
0.01 km
0.1 km
10 km
5 d
6 d
7 d
24 h
41 h
5 d
Global land reasonable 2003-10-20 ET ODRRGOS
279 Leaf Area Index (LAI) Land surface Global NWP 5 %
10 %
20 %
2 km
10 km
50 km
24 h
5 d
10 d
3 h
24 h
10 d
Global land reasonable 2009-02-10 John Eyre
397 Leaf Area Index (LAI) Land surface Hydrology 5 %
8 %
20 %
0.01 km
0.1 km
10 km
7 d
11 d
24 d
24 h
41 h
5 d
Global land reasonable 2003-10-20 ET ODRRGOS
828 Leaf Area Index (LAI) Land surface Climate Monitoring (GCOS) 15 % 10 % 0.05 km
0.25 km
24 h Global reasonable 2019-09-30 GCOS-200: The Global Observing System for Climate: Implementation Needs (Published 2016)
361 Leaf Area Index (LAI) Land surface High Res NWP 5 %
10 %
20 %
1 km
5 km
40 km
12 h
24 h
2 d
24 h
3 d
7 d
Global land tentative 2011-07-29 JF Mahfouf
674 Leaf Area Index (LAI) Land surface Climate-TOPC (deprecated) 5 %
7 %
10 %
0.25 km
0.85 km
10 km
24 h
3 d
30 d
30 d
45 d
90 d
Global land tentative 2007-07-19 TOPC