1. Question about using MPAS-JEDI for satellite bias correction:
I would like to use MPAS-JEDI for satellite bias correction, but it seems that this part is not covered in the available tutorials. Could you please provide any comprehensive reference materials or guidance for this process?
2. Question about the input files in 3denvar_amsua_bc.yaml:
I found the 3denvar_amsua_bc.yaml configuration file, but I have some questions about the following input section:
obs bias:
input file: Data/ufo/testinput_tier_1/satbias_amsua_n19.nc4
output file: Data/os/satbias_amsua_n19_out.nc4
variational bc:
predictors:
- name: constant
- name: lapseRate
order: 2
tlapse: &amsua19tlap Data/ufo/testinput_tier_1/amsua_n19_tlapmean.txt
- name: lapseRate
tlapse: *amsua19tlap
- name: emissivityJacobian
- name: sensorScanAngle
order: 4
- name: sensorScanAngle
order: 3
- name: sensorScanAngle
order: 2
- name: sensorScanAngle
covariance:
minimal required obs number: 20
variance range: [1.0e-6, 10.0]
step size: 1.0e-4
largest analysis variance: 10000.0
prior:
input file: Data/ufo/testinput_tier_1/satbias_amsua_n19.nc4
inflation:
ratio: 1.1
ratio for small dataset: 2.0
obs filters:
- filter: Bounds Check
filter variables:
- name: brightnessTemperature
channels: 1-15
minvalue: 100.0
maxvalue: 500.0
- filter: Background Check
filter variables:
- name: brightnessTemperature
channels: 1-15
threshold: 10.0
Regarding the files satbias_amsua_n19.nc4 and amsua_n19_tlapmean.txt, where can I obtain them? I have checked the GDEX dataset at https://gdex.ucar.edu/datasets/d735000/# but I was unable to find these files.
Thank you very much for your assistance!