calibrated evi's: Absolute v.relative
It all started when...
Absolute CEVIs are comparable over time, between parcels and growing seasons. But Relative CEVIs provide greater visual contrast, highlighting differences in the vineyard and allowing discrete management decisions. Hawk Aerial offers both Absolute and Relative CEVIs. For more information on Relative CEVIs, see our partner VineView's video Relative EVI - A Magnifying Glass for Vigor:
Goals: Targeted levels of stress + block uniformity