MODAPS PCR 19-009
| PCR Number | 19-009 |
|---|---|
| Date | 2019-05-21 |
| Initiator | Sudipta Sarkar |
| Abstract | PGE113 v6.0.44 -- Code change to include GDAS weather inputs as well as all coefficient and static ancillary files in the INPUTPOINER metadata. |
| Problem Statement | The C6 operational MAIAC products did not list all the input files in the file level INPUTPOINTER metadata. For ease of maintenance, the two different versions of this PGE running on OPS (V6.0.41) and NRT (6.0.43) needed merging into one operational version. |
| Description of Change | The PGE113 was updated to reflect all inputs for the MCD19A1/A2 products in the INPUTPOINTER metadata. These includes the GDAS weather inputs as well as all coefficient and static ancillary files. At the same time, the changes from the NRT specific V6.0.43 were also merged in this version to have a single version running in the OPS and NRT streams. |
| Products Affected | Daily C6 L2 MAIAC products MCD19A1 and MCD19A2 |
| Software Affected | PGE113 v6.0.44 |
| Processing String to Receive the Change | Terra and Aqua Forward Processing. NRT |
| Downstream Product Effects | None |
| Data Granules to be Used for Science Testing | Simultaneous science tests were carried out in the OPS and NRT streams to verify all the changes and updates. |
| Justification | Including all of the input files used in processing of product will enable tracing of the source of any discrepancy in the operational products to the inputs, facilitate investigation of source of difference in NRT and OPS version of the product, and will help determine the input needed to reproduce the product at later time. Migration of NRT and OPS version of PGE into one will ease in overall maintenance of the PGE. |
| Effective Date for Implementation of Change | Completed (PGE113 6.0.44 to be put in forward production on 2019-142 (05/22/2019). |
| Status | Major algorithm development completed. Sadashiva Devadiga approved 05/21/2019. Gang Ye implemented on 05/22/2019. |
