Example collection for XML encoding http://www.opengis.net/spec/waterml/2.0/req/xsd-collection 2011-11-28T10:05:05+11:00 Manual 2011-11-21T12:30:00+10:00 2011-11-21T12:45:35+10:00 sweet_phenomenon Temperature Temperature NASA SWEET definition of temperature Deddington -41.814935 147.568517 +11:00 AEDT EX.OB.B.1 2011-11-21T12:45:35+10:00 PT15M http://water.usgs.gov/provisional.html http://www.opengis.net/def/timeseriesML/1.0/medium/SurfaceWater 95 2011-11-21T12:30:00+10:00 10.5 2011-11-21T12:45:35+10:00 10.5 2011-11-21T13:00:10+10:00 10.4