add bare soil playbook #358
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yoann-malbeteau
requested review from
Guyon-Duifhuizen
and removed request for
matthew-ballard
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In this playbook, we combine several powerful tools to analyze agricultural fields over time:
Data Retrieval: We use the Sentinel Hub API to fetch satellite imagery data for a specific field over a given time range.
Index Calculation: The script calculates various spectral indices, including MSAVI (Modified Soil Adjusted Vegetation Index), BSI (Bare Soil Index), NDTI (Normalized Difference Tillage Index), TI (Tillage Index), and NDBI (Normalized Difference Built-up Index).
Bare Soil Probability: Using a combination of these indices, we estimate the probability of bare soil for each data point.
Time Series Analysis: The script processes this data into a time series, allowing us to track changes over time.
Bare Soil Period Identification: We identify continuous periods where the bare soil probability exceeds a certain threshold.
Visualization: The results are visualized in two graphs: one showing all indices over time, and another focusing specifically on bare soil probability.