xlandsat.ndvi

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xlandsat.ndvi#

xlandsat.ndvi(scene, red_band='red', nir_band='nir')[source]#

Normalized Difference Vegetation Index

Calculate the NDVI for the given scene, defined as:

\[NDVI = \dfrac{NIR - Red}{NIR + Red}\]
Parameters:

  • scene (xarray.Dataset) – A Landsat scene, as read with xlandsat.load_scene.

  • red_band (str) – The name of the variable in scene that corresponds to the red band.

  • nir_band (str) – The name of the variable in scene that corresponds to the NIR band.

Returns:

ndvi (xarray.DataArray) – The calculated NDVI, with the metadata attributes from the original scene.

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