MODAPS PCR 17-014

PCR Number 17-014
Date 2017-06-30
Initiator Sudipta Sarkar
Abstract PGE130 v6.0.3. Changed PGE130 to change the attributes like unit, valid_range and data type for the SDS "PWV".
Problem Statement SDS attribute in MOD21 L2G (M*D21GD/N) products for "PWV" are incorrect
Description of Change Correct the SDS attributes of SDS "PWV" to reflect value in MOD21 L2.
Products Affected MOD21GD, MOD21GN
Software Affected PGE130 v6.0.3
Processing String to Receive the Change Terra and Aqua Forward Processing. Terra Reprocessing.
Downstream Product Effects None.
Data Granules to be Used for Science Testing Unit test only. No extensive science test required as there was no science code change.
Justification Correct values for the attributes are needed to identify valid and useful retrievals. Some user tools are automated to read these values directly from the product file.
Effective Date for Implementation of Change Completed.
Status Major algorithm development completed. Sadashiva Devadiga approved on 07/30/2017. Gang Ye implemented 08/28/2017.