ODM2 SiteType Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of a data collection Site. To some extent, these types represent the ultimate feature of interest that the site was established to measure. For example, a Stream Site was established to measure properties of a Stream. Composite A Composite site represents an aggregation of specific sites defined by a geographic location at which multiple sampling features have been installed. For example, a composite site might consist of a location on a stream where a streamflow gage, weather station, and shallow groundwater well have been installed. Composite Sites