ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables. Leaf area index (LAI) Leaf area index (LAI) is a dimensionless quantity that characterizes plant canopies. It is defined as the one-sided green leaf area per unit ground surface area (LAI = leaf area / ground area, m2 / m2) in broadleaf canopies. Wikipedia https://en.wikipedia.org/wiki/Leaf_area_index Added to support Critical Zone Observatory (CZO) data use cases.