Algorithms and Applications in Grass Growth Monitoring

Table 1

The phenophases derived from MODIS NDVI and field observation.

Phenophases	VI-based land surface phenology	Field observation
Greenup onset	124	131
Maturity onset	186	187
Senescence onset	247	211
Dormancy onset	318	303
Length of growing season	194	183

*In situ phenology observations are collected from Chen and Li [17].