• topicKeyword: general topic keyword of the data granule.
• disciplineKeyword: general discipline keyword of the data
granule.
• variableKeyword: keyword used to describe the scientific
parameter content.
• ParameterKeyword: keyword used to describe specific
characteristics at a high level.
• termKeyword: keyword used to describe the area of the
scientific parameters.
• platformName: name of the platform collecting the dataset.
• instrumentName: name of the instrument collecting the
dataset.