This schema describes the timeseries result structures for OGC WaterML2.0. The XML implements the interleaved coverage timeseries
represetation described in the OGC WaterML2.0 conceptual model. This implementation only covers timeseries of measurements and categorical values
(string with codespaces). Subsequent versions of schema may support more complex results such as multi-result (compound), vectors etc.
OGC WaterML 2.0 is an OGC Standard.
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Defines the quality of the point (or the default if it is the defaultTimeValuePair) using an OGC WaterML2.0 quality code. The
qualifier element should be used for other assertions (e.g. using internal codes).
Specifies the reason for a null point (xsi:nil='true'). Must be present if the value is null.
Free text comment associated with the data point.
Defines a reference to an observation that is related to this point. E.g. derived from a sample.
A general qualifier for the point to define influencing conditions, or other qualifying information. A broader, more
flexible location for qualifiers.
Defines what processing has occured on the data point using a reference to a code item.
Defines the source of the value using a reference to an appropriate resource. This is used where the timeseries may be aggregated from multiple sources.his can be an internal link to om:OM_Observation/om:metadata/wml2:ObservationMetadata/gmd:identificationInfo/gmd:MD_DataIdentification
Defines the default unit of measure across the series. The uom code is specified using the UCUM code.
The interpolation type of the time series point. This describes the nature of the value to the time with which it is
associated. E.g. average in the preceeding interval. The URL codes are available at http://www.opengis.net/def/waterml/2.0/interpolationType/
Specifies the reason the value has been censored. e.g. left/right censoring,
Used to specify the accuracy of a single value.
Describes the temporal aggregation that has occured to the value.
Describes a time series as a collection of time-value pairs (implements TimeseriesTVP model type). A time series is a also a realisation of a discrete time coverage as
defined by ISO19123 - Coverages.
Describes a time series as a collection of time-value pairs where the value-type is a measurement
and associated metadata is specific to measurement types.
Describes a time series as a collection of time-value pairs where the value-type is a category
and associated metadata is specific to categorical types.
Defines the start and end times of the represented time series.
Defines the start time for isochronous (equidistant) time series. Each point occurs at regular steps (defined by the spacing
property). If baseTime is specified you must supply a spacing element.
The spacing between points for isochronous or equidistant (equally space) points. This is used with the baseTime element to allow calculation of time instants.
A comment that applies over a period of time for the time series.
A named-value extension point, allowing extra metadata to be associated with a timeseries.
The anchor point for the beginning of the series.
The anchor point for the end of the series.
Sets the time series to be a cumulative series.
Defines the time at which accumulation begins.
Defines the period over which accumulation occurs.
Indicates the maxiumum period allowed between two series before interpolation is not possible.
Defines the default codeSpace for the category timeseries
The time instant for the data point.
The value of a measurement timeseries is a measure
The value type is a category
The period over which the comment applies.
The comment that applies for the period.
gml:MeasureType supports recording an amount encoded as a value of XML Schema double, together with a units of measure indicated
by an attribute uom, short for "units Of measure". The value of the uom attribute identifies a reference system for the amount, usually a
ratio or interval scale. OGC WaterML2.0 alters this definition to make uom optional as this value is defaulted for a series.