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QGIS Model: NDVI Analysis

NDVI, low and high vegetation zones and parcel-level statistics from Sentinel-2 bands, exported to a spreadsheet.

£1.00

How you get it: Pay by card through Stripe. Your download link appears on the order confirmation page as soon as payment goes through. Files are not sent by email, so download yours there (or keep that page's address to come back to it).

Also in the QGIS Model Pack: All 8 Models (£8.00 for all 8).

Format
ZIP: .model3 file, PDF guide and licence, 102 KB
Requirements
QGIS 3.34 or later
Licence
CC BY-NC 4.0 (attribution: Semir Kahrimanovic / Bozmaps)

About this model

Monitor crop or vegetation health parcel by parcel. The model clips Sentinel-2 Red and NIR bands to your parcel layer, calculates NDVI, splits it at NDVI 0.3 into low and high areas, polygonises them, computes per-parcel statistics (mean, min, max, standard deviation) and the percentage of each parcel covered by low and high NDVI, then exports everything to a spreadsheet. Use Level-2A bands with the offset removed; no cloud or water mask is applied. Results are in the CRS of the bands, whatever your project CRS.

What's included

  • NDVI Analysis QGIS model (.model3)
  • PDF guide with inputs, workflow, outputs and test results
  • Licence

Inputs

  • Sentinel-2 Band 4 (Red)
  • Sentinel-2 Band 8 (NIR)
  • Parcels polygon layer

Outputs

  • NDVI raster, low and high NDVI rasters and polygons with areas
  • Parcel-level NDVI statistics and coverage percentages
  • Spreadsheet of the parcel statistics
Free step-by-step tutorialHow to calculate NDVI in QGIS from Sentinel-2, and compare two dates

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