MODAPS PCR 20-001
| PCR Number | 20-001 |
|---|---|
| Date | 2020-01-11 |
| Initiator | Sudipta Sarkar |
| Abstract | PGE132 v6.0.27 was updated to change the GIBS Data Type (ESDT) for NRT variants and refer to the NRT variants as MOZ*|MYZ*|MCZ* to differentiate them from the OPS equivalents, which are referred to as MOG*|MYG*|MCG*. The production Perl script was also updated to identify NRT/OPS situations based on the respective recipe names. |
| Problem Statement | The operational GIBS L3 Land process for Collection 6 (PGE132) needed fix to differentiate between the OPS and NRT variants of the GIBS L3 products. |
| Description of Change | PGE132 V6.0.27 was updated to change the GIBS Data Type (ESDT) for NRT variants and refer to the NRT variants as MOZ*|MYZ*|MCZ* to differentiate them from the OPS equivalents, which are referred to as MOG*|MYG*|MCG*. The production Perl script was also updated to identify NRT/OPS situations based on the respective recipe names. |
| Products Affected | MODIS C6 Land L3 GIBS products |
| Software Affected | PGE132 v6.0.27 |
| Processing String to Receive the Change | Terra and Aqua Forward Processing. NRT |
| Downstream Product Effects | None |
| Data Granules to be Used for Science Testing | The PGE132 V6.0.27 changes have been confirmed by LDOPE through a test run in nrt4 instance (AS92). The same changes have been confirmed in OPS instance by running a test in AS 1743. |
| Justification | The NRT variants of the GIBS Land L3 products had to be assigned different GIBS data types (ESDTs) to distinguish them from the OPS equivalents to avoid possible conflict between the two. The PGE132 V6.0.27 achieves that distinction in the data types (ESDT) by adding a “Z” for the NRT names. |
| Effective Date for Implementation of Change | Completed |
| Status | Major algorithm development completed. Sadashiva Devadiga approved on 01/10/2020. Gang Ye approved on 01/11/2020. |
