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Enumeration

Description

0

Original/Reliable
The data value is the original value retrieved from an external source and it successfully passes all validation criteria set.

1

Corrected/Reliable
The original value was removed and corrected. Correction may be through interpolation or manual editing.

2

Completed/Reliable
Original value was missing. Value has been filled in through interpolation, transformation (e.g. stage discharge) or a model.

3

Original/Doubtful
Observed value retrieved from external data source. Value is valid, but marked as suspect due to soft validation limits being exceeded.

4

Corrected/Doubtful
The original value was removed and corrected. However, the corrected value is doubtful due to validation limits.

5

Completed/Doubtful
Original value was missing. Value has been filled in as above, but resulting value is doubtful due to limits in transformation/interpolation or input value used for transformation being doubtful.

6

Missing/Unreliable
Observed value retrieved from external data source. Value is invalid due to validation limits set. Value is removed

7

Corrected/Unreliable
The original value was removed and corrected. However, corrected value is unreliable and is removed.

8

Completed/Unreliable
Original value was missing. Value has been filled in as above, but resulting value is unreliable and is removed.

9

Missing value in originally observed series. Note this is a special form of  both Original/Unreliable and Original/Reliable.  Notes:

 

Note
  • No difference is made between historic and forecast data. This is not considered a quality flag. The data model of NFFS is constructed such that this difference is inherent to the data type definition.
  • External sources may either be an actual external source, a forecasting module or a transformation. The convention in NFFS the definition of data series parameter types identifies the data source.