Concept

Zero-crossing period of waves {Tz} on the water body

URI	http://vocab.nerc.ac.uk/collection/P01/current/GTZAZZ01/
Within Vocab	BODC Parameter Usage Vocabulary
Alternative Labels	MeanWavePeriodTz_WR
Definition	The average of the zero crossing intervals as obtained by dividing the record duration by the number of times the water elevation crosses the mean record level in one direction.
Date	2019-02-19T17:51:07
Identifier	SDN:P01::GTZAZZ01
Note	accepted
Has Current Version	6
Version	4
	1
	5
	3
	2
version	6
Same As	`P09:VTZA`	AVER ZERO CROSSING WAVE PERIOD
Broader	`A05:EV_WAVES`	Waves
	`P02:WVST`	Wave height and period statistics
	`S26:MAT00640`	water body
	`S29:PE001208`	waves
	`S06:S0600108`	Zero-crossing period
Narrower	`P01:GTZASG01`	Zero-crossing period of waves {Tz} on the water body by digital step gauge
	`P01:GTZAZA01`	Zero-crossing period of waves {Tz} on the water body by accelerometer
	`P01:GTZACS01`	Zero-crossing period of waves {Tz} on the water body by wavestaff and automated record analysis
	`P01:GTZAMB01`	Zero-crossing period of waves {Tz} on the water body by shipborne wave recorder and manual record analysis
	`P01:GTZALS01`	Zero-crossing period of waves {Tz} on the water body by infra-red laser rangefinder (infra-red LIDAR)
	`P01:GTZAFS01`	Zero-crossing period of waves {Tz} on the water body by Interocean S4 wave gauge
	`P01:GTZATD01`	Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor
	`P01:GTZAMP01`	Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and manual record analysis
	`P01:GTZAMA01`	Zero-crossing period of waves {Tz} on the water body by waverider and manual record analysis
	`P01:GTZAVA01`	Zero-crossing period of waves {Tz} on the water body by waverider
	`P01:GTZAFB01`	Zero-crossing period of waves {Tz} on the water body by shipborne wave recorder
	`P01:GTZACP01`	Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and automated record analysis
	`P01:GTZAUP01`	Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and Fourier analysis with NO depth attenuation correction
	`P01:GTZACA01`	Zero-crossing period of waves {Tz} on the water body by waverider and automated record analysis
	`P01:GTZARGFA`	Zero-crossing period of waves {Tz} on the water body by radar water level recorder
	`P01:GTAVAD01`	Zero-crossing period of waves {Tz} on the water body by acoustic doppler wave array
	`P01:GTZAWVRD`	Zero-crossing period of waves {Tz} on the water body by directional range-gated radar
Related	`P06:UTBB`	Seconds
	`S02:S034`	on the

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