Exploring the relationships between ground observations and remotely sensed hazelnut spring phenology.

ABSTRACT: Crop phenology is very important in regular crop monitoring. Generally, phenology is monitored through field observation surveys or satellite data. The relationships between ground observations and remotely sensed derived phenological data can enable near-real-time monitoring over large areas, which has never been attempted on hazelnuts. In this study, we extracted phenological metrics derived from MODIS Enhanced Vegetation Index (EVI) in hazelnut production regions and compared them with the spring ground phenological data (BBCH scale) from orchards located in the same area of Turkey over the period from 2019 to 2022. We observed a specific temporal dynamic between remote sensing phenometrics and ground observations. The metrics Greenup, Upturning Date, and Threshold 20% metrics correspon

SUBMITTER: Bajocco S 

PROVIDER: S-EPMC11785673 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature