Climate Detectives Aktiviteter for børn 2023-2024
Aktivitet: From the fround and from the sky – Analysing and understanding images of planet Earth
Liceo Cantone Pomigliano D'arco Italien
The students studying the multispectral images (Sentinel Hub) from November 2022 to February 2024 in our territoty- The data on the trend of the vegetation reflectance curve at different wavelengths by the content and type of leaf pigments, the internal structure of the leaf and the waNegative vter content. The students see changes in the colours of elements and know the behaviour of vegetation in the visible bands (they absorb in blue and red and reflect in green) and in the near and medium infrared. The figure shows the NDVI changing of the number of green pixels. The students calculate the reflectance with NDVI =NIR-Red/NIR+Red to evaluate the state of vegetation health based on how plants reflect light Figure 3. The students observed a variation in the NDVI and in the shades of green in the same study area which demonstrates a change in the plant. species https://drive.google.com/file/d/1KurFAWGNP0hYc-FqLww-u3peBV69glox/view?usp=sharing
https://drive.google.com/file/d/1KurFAWGNP0hYc-FqLww-u3peBV69glox/view?usp=sharing
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