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Concept

Zero-crossing period

URI http://vocab.nerc.ac.uk/collection/S06/current/S0600108/
Within Vocab BODC parameter semantic model parameter entity names
Alternative Labels Tz
Definition A wave statistic parameter. Wave period is the time between two successive designated events in the waveform. Zero-crossing is an event where the waveform crosses the zero axis formed by the record average level in a given direction. Normally this crossing is from negative to positive known as an up-crossing.
Date 2018-07-17T16:51:13
Identifier SDN:S06::S0600108
Note accepted
Has Current Version 2
Version 1
version 2
Broader S01:S014 parameter entity Mapping: 1450408
Narrower
P01 BODC Parameter Usage Vocabulary - (45) [+]
P01:GTZMZZ01 Zero-crossing period maximum of waves on the water body Mapping: 1422072
P01:GTZMRD01 Zero-crossing period maximum of waves on the water body by radar water level recorder Mapping: 1421980
P01:GTZMCA01 Zero-crossing period maximum of waves on the water body by waverider and automated record analysis Mapping: 1421764
P01:GTZMMA01 Zero-crossing period maximum of waves on the water body by waverider and manual record analysis Mapping: 1421792
P01:GTZMCS01 Zero-crossing period maximum of waves on the water body by wavestaff and automated record analysis Mapping: 1421778
P01:GTZFAW01 Zero-crossing period of waves (highest one fifth) on the water body by waverider and up-crossing analysis Mapping: 1428388
P01:GTZHTN01 Zero-crossing period of waves (highest one tenth) on the water body Mapping: 1422344
P01:GTZTAW01 Zero-crossing period of waves (highest one tenth) on the water body by acoustic doppler wave array and up-crossing analysis Mapping: 1428416
P01:GTDHVAWR Zero-crossing period of waves (highest one tenth) on the water body by waverider and down-crossing analysis Mapping: 1428374
P01:GTZTVA01 Zero-crossing period of waves (highest one tenth) on the water body by waverider and up-crossing analysis Mapping: 1428430
P01:GTZHVAVS Zero-crossing period of waves (highest one third) on the water body by visual estimation Mapping: 1421992
P01:GTZHZZ01 Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body Mapping: 1422082
P01:GTZHAW01 Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by acoustic doppler wave array Mapping: 1422538
P01:GTZHVARD Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by radar water level recorder Mapping: 1422436
P01:GTZHVAWR Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by waverider Mapping: 1422424
P01:GTZHCA01 Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by waverider and automated record analysis Mapping: 1421736
P01:GSDHVAWR Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by waverider and down-crossing analysis Mapping: 1428588
P01:GTZHCS01 Zero-crossing period of waves (highest one third) {significant wave period Ts} on the water body by wavestaff and automated record analysis Mapping: 1421750
P01:GTZLPP01 Zero-crossing period of waves (infragravity) on the water body by fixed in-situ pressure sensor Mapping: 1528650
P01:GTZLZZ01 Zero-crossing period of waves (longest one third) on the water body Mapping: 1422490
P01:GTZSWR01 Zero-crossing period of waves (short period) on the water body by waverider and up-crossing analysis Mapping: 1428402
P01:GSZ1VA01 Zero-crossing period of waves (swell first component) {Tz} on the water body by waverider Mapping: 1428802
P01:GSZ2VS01 Zero-crossing period of waves (swell second component) {Tz} on the water body by visual estimation Mapping: 1428826
P01:GSZ2VA01 Zero-crossing period of waves (swell second component) {Tz} on the water body by waverider Mapping: 1428814
P01:GSZZVA01 Zero-crossing period of waves (swell) {Tz} on the water body by waverider Mapping: 1429766
P01:GWSZVS01 Zero-crossing period of waves (wind sea) {Tz} on the water body by visual estimation Mapping: 1429078
P01:GWSZVA01 Zero-crossing period of waves (wind sea) {Tz} on the water body by waverider Mapping: 1429066
P01:GTZAZZ01 Zero-crossing period of waves {Tz} on the water body Mapping: 1421722
P01:GTZAZA01 Zero-crossing period of waves {Tz} on the water body by accelerometer Mapping: 1422598
P01:GTAVAD01 Zero-crossing period of waves {Tz} on the water body by acoustic doppler wave array Mapping: 1422172
P01:GTZASG01 Zero-crossing period of waves {Tz} on the water body by digital step gauge Mapping: 1422004
P01:GTZAWVRD Zero-crossing period of waves {Tz} on the water body by directional range-gated radar Mapping: 1422460
P01:GTZATD01 Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor Mapping: 1421686
P01:GTZACP01 Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and automated record analysis Mapping: 1421394
P01:GTZAUP01 Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and computation using Fourier analysis with no depth attenuation correction Mapping: 1421700
P01:GTZAMP01 Zero-crossing period of waves {Tz} on the water body by fixed in-situ pressure sensor and manual record analysis Mapping: 1421474
P01:GTZALS01 Zero-crossing period of waves {Tz} on the water body by infra-red laser rangefinder (infra-red LIDAR) Mapping: 1422016
P01:GTZAFS01 Zero-crossing period of waves {Tz} on the water body by Interocean S4 wave gauge Mapping: 1421432
P01:GTZARGFA Zero-crossing period of waves {Tz} on the water body by radar water level recorder Mapping: 1422104
P01:GTZAFB01 Zero-crossing period of waves {Tz} on the water body by shipborne wave recorder Mapping: 1421420
P01:GTZAMB01 Zero-crossing period of waves {Tz} on the water body by shipborne wave recorder and manual record analysis Mapping: 1421460
P01:GTZAVA01 Zero-crossing period of waves {Tz} on the water body by waverider Mapping: 1421712
P01:GTZACA01 Zero-crossing period of waves {Tz} on the water body by waverider and automated record analysis Mapping: 1421380
P01:GTZAMA01 Zero-crossing period of waves {Tz} on the water body by waverider and manual record analysis Mapping: 1421446
P01:GTZACS01 Zero-crossing period of waves {Tz} on the water body by wavestaff and automated record analysis Mapping: 1421408

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