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Add normalized burn ratio composite (nbr) for VIIRS #640

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merged 2 commits into from
Jan 10, 2024
Merged

Add normalized burn ratio composite (nbr) for VIIRS #640

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c9f9f74
Add normalized burn ratio composite (nbr) for VIIRS
djhoese Sep 12, 2023
baa1a1b
Swap in I02 for M07 in nbr (normalized burn ratio) composite
djhoese Jan 10, 2024
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15 changes: 15 additions & 0 deletions polar2grid/etc/composites/viirs.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -318,3 +318,18 @@ composites:
standard_name: equalized_radiance
units: "1"
saturation_correction: true

nbr:
compositor: !!python/name:satpy.composites.viirs.GenericCompositor
prerequisites:
- compositor: !!python/name:satpy.composites.RatioCompositor
prerequisites:
- compositor: !!python/name:satpy.composites.DifferenceCompositor
prerequisites:
- name: M11
- name: I02
- compositor: !!python/name:satpy.composites.SumCompositor
prerequisites:
- name: M11
- name: I02
standard_name: normalized_burn_ratio
8 changes: 8 additions & 0 deletions polar2grid/etc/enhancements/viirs.yaml
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Expand Up @@ -166,3 +166,11 @@ enhancements:
- filename: colormaps/abi_l2_modified_cloud_top.cmap
min_value: 300
max_value: 200

nbr:
sensor: viirs
standard_name: normalized_burn_ratio
operations:
- name: linear_stretch
method: !!python/name:satpy.enhancements.stretch
kwargs: { stretch: 'crude', min_stretch: -1.0, max_stretch: 1.0 }