The EA Time Series Schema established in draft from for hydrometric data can be mapped to the time series XML schema established as a part of the published interface. This mapping is illustrated in the table below (* indicate mandatory fields).
NFFS
EA Hydrometric
Comment
Published Interface
Proposed Format
Header | HydrometricData |
|
sourceOrganisation | sourceOrganisation |
|
sourceSystem | sourceSystem |
|
fileDescriprion | fileDescriprion |
|
creationDate | creationDate |
|
creationTime | creationTime |
|
| Station |
|
region | region | Optional. May be useful if coding used is not unique across regions |
stationName | stationName |
|
longname |
| Optional long descriptive name of station |
locationid | stationReference | Compulsory |
geodatum |
| Identifies geographic datum |
location | ngr | Uses "geodatum" field to allow different datums - ngr is OS1936 |
| SetofReadings |
|
parameter | parameter * | compulsory |
type* | dataType * | Enumeration supports only Accumulative of Instantaneous - interval specified later |
|
|
|
units* | units * | Optional string identifying units - ISO standards should be adhered to |
startdate | startDate | field for date |
startdate | startTime | field for time |
endate | endDate | field for date |
endate | endTime | field for time |
missval | invalidNumber |
|
| dayOrigin | not included in published interface |
| readingsPerDay | not included in published interface. Information contained in other fields |
time step* |
| Time step in seconds (used for equidistant series) |
|
|
|
Event | Reading |
|
data* | date * | field for date |
time* | time * | field for time |
value* | Reading* | field for value of reading |
flag | quality | Only single flag considered - could be used for quality flag |
| quality2 | not included in Published Interface |
| highLow | not included in Published Interface, may be combined with flag |
|
|
|
| Comment | not included in Published Interface |
| startDate | not included in Published Interface |
| startTime | not included in Published Interface |
| endDate | not included in Published Interface |
| endTime | not included in Published Interface |
...