MODAPS PCR 14-022

PCR Number 14-022
Date 2014-09-30
Initiator Sudipta Sarkar
Abstract To implement updates in PGE25QN v5.2.16 with a bug fix for retrieval over ocean.
Problem Statement Unexpected retrieval of VI over ocean
Description of Change Fixed a bug causing retrieval over ocean for single file inputs.
Products Affected Daily rolling NDVI 8-day composite – MOD13Q4N
Software Affected PGE25QN v5.2.16
Processing String to Receive the Change NRT
Downstream Product Effects None.
Data Granules to be Used for Science Testing Run selected tiles at LDOPE and operational processing on NRT1/NRT22010-059
Justification VI shouldn’t be retrieved for water pixels and VI cannot be reliably retrieved for water contaminated pixels. When retrieved users could misinterpret these bad retrievals as good without inspecting the land water mask.
Effective Date for Implementation of Change Completed.
Status Sadashiva Devadiga approved for Land on 09/29/2014.