<ul><li>An IT architect for a Climate Data Management System wants to develop a CDMS based on loosely coupled software components that will allow for ease of future application maintenance</li><br /></p><p></ul><br /></p><p><ul><li>An agreed formal definition of a climate observation is required, comprising</li><br /></p><p><li>The <font color="#2f8cff">Observed Property</font></li><br /></p><p><li>The <font color="#ff0000">timeseries </font>of:</li><br /></p><p><li><font color="#2f8cff">observations </font>at a sensor</li><br /></p><p><li>the <font color="#2f8cff">quality flag</font> of each observation</li><br /></p><p><li><font color="#2f8cff">WIGOS Observations Metadata </font>describing the context of how the observations were made</li><br /></p><p><li><font color="#2f8cff">data provenance</font> of observation data and observation metadata describing what was changed, when, by whom, how and why</li><br /></p><p><li><font color="#2f8cff">Intellectual Property </font>relevant to the observation</li><br /></p><p></ul><br /></p><p><ul><li>The formal definition must be conformant with WMO formal encodings for:</li><br /></p><p><li>METCE </li><br /></p><p><li>WIGOS </li><br /></p><p></ul><br /></p>