Concept

Administration and dimensions

	P02 SeaDataNet Parameter Discovery Vocabulary - (15) [+]
URI	http://vocab.nerc.ac.uk/collection/P03/current/Z005/1/
Within Vocab	SeaDataNet Agreed Parameter Groups
Alternative Labels
Definition	This APG is primarily intended for parameters that specify the dimensions: x, y (e.g. latitude, longitude) z (e.g. height above sea level/sea floor, depth/pressure) t (e.g. date/time, elapsed time) However, there are other parameters, such as general purpose quality control flags, sequence numbers, platform orientation (heading)/velocity, sampling duration/quantity (e.g. volume filtered) that have been included in the BODC dictionary mapping. It is inevitable that a grouping such as this will become the final resting place for parameters that do not fit into any other existing APG. The mappings to this group therefore require periodical review. Note the potential for problems with confusion between pressure/depth as a z co-ordinate, as a sea level parameter (variation with time), or as a seafloor topography (bathymetry) measurement. Each of these should be assigned a different parameter if sensible grouping is to be possible. BODC currently has problems in this area that have been temporarily resolved by mapping ambiguous pressure/depth parameters into the Other Physical Oceanographic Measurements APG until the problems can be resolved as part of a planned future database restructure.
Date	2003-06-10T15:23:21
Identifier	SDN:P03::Z005
Note	accepted
Is Version Of	Z005
version	1
Same As	`P08:DS07`	Administration and dimensions
Broader	`P23:MD011`	Administration, boundaries, dimensions and entity referencing
Narrower	`OD1:PRESS`	Pressure
	`P02:AYMD`	Date and time
	`P02:ENGP`	Engineering parameters
	`P02:EXSV`	Experiment state variables
	`P02:APDA`	Horizontal platform movement
	`P02:ALAT`	Horizontal spatial co-ordinates
	`P02:TMES`	Metadata parameters
	`P02:MPMN`	Moored instrument depth
	`P02:HEAD`	Platform or instrument orientation
	`P02:ACFL`	Quality control flags
	`P02:ACYC`	Reference numbers
	`P02:SAMP`	Sampling parameters
	`P02:XKEY`	Security tags and keys
	`P02:ZZZZ`	Unspecified
	`P02:APZA`	Vertical platform movement
	`P02:AHGT`	Vertical spatial coordinates

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