--------------------------------------------------------- Changes to Environmnet Agency Time-Series XML format from V1.1 to v1.2 Author - James Procter Contact - data.policy@environment-agency.gov.uk Date - 11/23/2006 --------------------------------------------------------- #1 - Overtopping New Parameter - "Overtopping" Description - The amount of water passing over the top of a flood defence. Expressed as either a flow rate per unit length, or total volume depending on units. #2 - "m2/s" New Unit - "m2/s" Description - Square meters per second. (i.e. cubic metres per second per metre) These two elements are to be used together in the following way; Description of Data Type Parameter Qualifier Data Type Period Units --------------------------------------------------------------------------------------------- Overtopping Rate Peak Overtopping - Maximum 15min m2/s Overtopping Rate Mean Overtopping - Mean 15min m2/s Overtopping Volume Overtopping - Total 15min m3 #3 - Naturalised New Qualifier - "Naturalised" Description - This refers to Naturalised Flows, which are important hydrological datasets. #4 - File Naming Changes. Description - This is not a change to the schema but in the naming of data files themselves. The Thames Barrier is to be identified by file naming conventions. Please contact data.policy@environment-agency.gov.uk for further information. James Procter 11/23/2006