BackForward 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
Applied in OSCAR/Space Gap Analysis: Yes
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)  (5)

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, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red

Id Variable Layer App Area ATP Uncertainty Layer/s Quality Coverage Quality Stability / decade Hor Res Ver Res Obs Cyc Timeliness Coverage Conf Level Val Date Source General Comment Application Area Comment Horizontal Coverage Comment Observation Comment Performance Comment
41 Leaf Area Index (LAI) Land surface 2.9 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 Evapotranspiration estimation; crop productivity
279 Leaf Area Index (LAI) Land surface 2.1 Global Numerical Weather Prediction and Real-time Monitoring 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
828 Leaf Area Index (LAI) Land surface 2.5 Atmospheric Climate Monitoring 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) Requirements in the GCOS-200 IP, Annex A, are only specified at the goal level.
361 Leaf Area Index (LAI) Land surface 2.2 High-Resolution Numerical Weather Prediction 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