Gloob Online -

Fill in the leaf state for your trees. Upon success, you will see a green smiley face. To add more data, use the "Create a new one" link. ☁️ Specific Observation Guides (Clouds & Greenings)

For easier field data collection, use the GLOBE Observer app , which allows you to enter data directly from your mobile phone. Gloob Online

Select the date, fill in "Green Down" and "Growing season cycle" (typically 1 for Europe). Fill in the leaf state for your trees

You can create ground-truth images of land cover by combining online virtual globe tools with field data. use the GLOBE Observer app

Monitor seasonal changes. Select the earliest date observations began for a tree and fill in the "Leaf State" from the drop-down menu. 🗺️ Additional Resources