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JCSDA / CRTMv3

CRTMv3 repository for coordinated development and releases. Code history is not carried in this repository prior to v3, to reduce the cloning overhead. For v2.x history leading up to v3, see JCSDA/crtm repository.
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Create unit tests for aircraft level/downward ADA calculations #158

Open chengdang opened 3 months ago

chengdang commented 3 months ago

Create unit tests for new features listed in issue #157.

chengdang commented 3 months ago

To output the downwelling radiance at pressure P, set optional flag obs_4_downward_P as the targeted pressure, for example:

Options(1)%obs_4_downward_P = Atmosphere(1)%level_pressure(n_Layers)

To output upwelling radiance at aircraft level, set optional flag Aircraft_Pressure as the pressure of aircraft, for example:

Options(1)%Aircraft_Pressure = Atmosphere(1)%level_pressure(80)

One can set either of these two flags, but not both at the same time. Without setting these optional flags, the output RTS%radiance will be radiance at the TOA level.

Note: to avoid confusion, another possibility is to set Aircraft_Pressure as obs_4_upward_P, or rename these flags. Something to discuss later.

chengdang commented 3 months ago

The existing test Test_CRTM_Aircraft require all standalone CRTM modules. Updated configuration files with PR #161. Will first run this test to make sure the code updates are accurate.

chengdang commented 3 months ago

Updated aircraft unit and added downwelling radiance test with commit 8a9e36fae55a464a46f4aa6c121c0d4dc235c565

Note that these tests only proof that we can use these flags for CRTM calculation. More scientific tests are needed.