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 |
