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removed outdated header
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salomoneliassonSMHI committed Oct 7, 2024
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31 changes: 0 additions & 31 deletions level1c4pps/vgac2pps_lib.py
Original file line number Diff line number Diff line change
Expand Up @@ -100,37 +100,6 @@

def convert_to_noaa19(scene, V="v6"):

"""
_v2_
r06(AVHRR,%) = 0.9129*M5 + 0.99 (based on data for solzenith angle < 75 degrees)
r09(AVHRR,%) = 0.9025*M7 (based on data for solzenith angle < 75 degrees)
tb37(AVHRR,K) = 0.9967*M12 + 0.85 (based on data for solzenith angles 95-180 degrees)
tb11(AVHRR,K) = 1.002*M15 - 0.4 (based on data for solzenith angles 0 -180 degrees)
tb12(AVHRR,K) = 0.9934*M16 + 1.52 (based on data for solzenith angles 0-180 degrees)
_v3_
Convert channel data to noaa19, using SBAFs.
Salomon (KG and Erwin) 20240814:
r06(AVHRR,%) = 0.8949*M5 + 2.07 (based on nadir collocation data for SZA < 75)
r09(AVHRR,%) = 0.9204*M7 - 0.87 (based on nadir collocation data for SZA < 75)
tb37(AVHRR,K)_night = 0.9923*M12 + 1.8 (based on nadir collocation data for SZA 100-180)
tb37(AVHRR,K)_day = 0.9491*M12 + 16.0 (based on NASA SBAFS for SZA < 75 o and VZA < 5)
tb11(AVHRR,K) = 1.003*M15 - 0.78 (based on nadir collocation data for SZA 0 -180)
tb12(AVHRR,K) = 1.003*M16 - 0.84 (based on nadir collocation data for SZA 0-180)
_v4_
r06(AVHRR,%) = 0.8949*M5 + 2.07 (based on nadir collocation data for SZA < 75)
r09(AVHRR,%) = 0.9204*M7 - 0.87 (based on nadir collocation data for SZA < 75)
tb37(AVHRR,K)_night = 0.9923*M12 + 1.8 (based on nadir collocation data for SZA 100-180. For SZA > 89)
tb37(AVHRR,K)_day = 0.9491*M12 + 16.0(based on NASA SBAFS for SZA < 75 and VZA < 5. For SZA < 80)
Tb37(AVHRR,k)_twilight = Average of values from day and night relations (80 o < SZA < 89 o )
tb11(AVHRR,K) = 1.002*M15 - 0.4 (based on nadir collocation data for SZA 0 -180 o )
tb12(AVHRR,K) = 0.9934*M16 + 1.52 (based on nadir collocation data for SZA 0-180 o )
"""

"""_SBAF dictionary_
I've put the SBAFs in this dictionary for super clarity when running the script
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