Sketch map showing the identification of leaf onset date (indicated by A) and leaf offset date (indicated by B) based on the AGSI curve and an AGSI threshold (AGSIthr).

💡 An ‼️improved‼️ #GrowingSeasonIndex of #AlpineGrasslands on the #Qinghai–TibetanPlateau
Characteristics: including 1️⃣ #MaximumTemperature, 2️⃣ #Precipitation, 3️⃣ #Photoperiod
Function: predicting #FoliarPhenology
doi.org/10.1093/jpe/...