Level 4 data (velocity point-measurements) - Revision history

CynthiaBluteau: /* Dimensions */

2022-03-07T15:19:02Z

Dimensions

← Older revision		Revision as of 15:19, 7 March 2022
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	\|-		\|-
	\| N_VEL_COMPONENT		\| N_VEL_COMPONENT
	\| ~~unique_identifier_for_each_velocity_component~~		\| unique_identifier_for_each
			_velocity_component
	\| N_VEL_COMPONENT		\| N_VEL_COMPONENT
	\| Maximum of 3 for u,v, w (east, north, up) velocities		\| Maximum of 3 for u,v, w (east, north, up) velocities
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	\|-		\|-
	\| N_VEL_INSTRUMENT		\| N_VEL_INSTRUMENT
	\| ~~unique_identifier_for_each_velocity_instrument~~		\| unique_identifier_for_each
			_velocity_instrument
	\| N_VEL_INSTRUMENT		\| N_VEL_INSTRUMENT
	\| Required only if storing multiple synchronized instruments in the same file		\| Required only if storing multiple synchronized instruments in the same file
	\|}		\|}
	</div>		</div>


	=Variables=		=Variables=

CynthiaBluteau: /* Notes */

2021-12-16T21:16:09Z

Notes

← Older revision		Revision as of 21:16, 16 December 2021
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	</div>		</div>

	==Notes==		=Notes=
	<references/>		<references/>

CynthiaBluteau: /* Group attributes (metadata) */

2021-12-16T21:15:47Z

Group attributes (metadata)

← Older revision		Revision as of 21:15, 16 December 2021
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	==Notes==		==Notes==
	<references/>		<references/>

	----		----
			Return to: [[Level 3 data (velocity point-measurements)\|Level 3 spectra]]

	~~Return~~ to: [[~~Level 3 data (velocity point-measurements)\|Level 3 spectra~~]]		Go to: [[NetCDF velocimeters format]]

	[[Category:Velocity point-measurements]]		[[Category:Velocity point-measurements]]

CynthiaBluteau: /* Optional variables */

2021-12-16T21:15:08Z

Optional variables

← Older revision		Revision as of 21:15, 16 December 2021
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	\| colspan="4" \|		\| colspan="4" \|
	<math>\dagger</math> Variable required only when measuring in bursts e.g., 18 min of continuous measurements every hour.		<math>\dagger</math> Variable required only when measuring in bursts e.g., 18 min of continuous measurements every hour.
	\|}		\|}


	=Group attributes (metadata)=		=Group attributes (metadata)=

CynthiaBluteau at 21:09, 16 December 2021

2021-12-16T21:09:04Z

@@ Line 88: / Line 88: @@
 |-
 | {{FontColor|fg=red|bg=white|text=Enter remaining entries once this bridge is crossed}}
+| K_SLOPE, TAYL, Kbounds [Kmin Kmax via extra dim N_Bounds], Conf intervals for epsi and K_slope.
+|
+|
@@ Line 95: / Line 95: @@
 |-
 | {{FontColor|fg=red|text=Enter surface wave stats required/useful for analysing turbulence}}
-| K_SLOPE, TAYL, Kbounds [Kmin Kmax via extra dim N_Bounds], Conf intervals for epsi and K_slope.
 | TIME,  N_VEL_COMPONENT,  N_VEL_INSTRUMENT
+|
@@ Line 131: / Line 131: @@
 <math>\dagger</math> Variable required only when measuring in bursts e.g., 18 min of continuous measurements every hour.
 |}
 ----
 Return to: [[Level 3 data (velocity point-measurements)|Level 3 spectra]]
 [[Category:Velocity point-measurements]]

CynthiaBluteau: /* Variables */

2021-12-16T20:59:32Z

Variables

@@ Line 43: / Line 43: @@
 <div class="mw-collapsible" id="raw" data-collapsetext="Collapse" data-expandtext="Expand variables">
 <br>
 {| class="wikitable"
 |-
@@ Line 65: / Line 66: @@
 | kinematic_viscosity_of_water
 | [Scalar i.e., 1 value], or TIME, R_DIST
-| This variable is used for assessing length scales against [[Kolmogorov length scale]]
+| This variable is used for assessing length scales against [[Kolmogorov length scale]].
 |-
 | colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"|  Quality-control metrics
@@ Line 74: / Line 80: @@
 | TIME,   N_VEL_COMPONENT,  N_VEL_INSTRUMENT
 | Status boolean flags (0-255, 8-bit) that designates one of 8 reasons for rejecting an estimate.
 |-
 | {{FontColor|fg=red|bg=white|text=Enter remaining entries once this bridge is crossed}}
@@ Line 79: / Line 91: @@
+|
+|
 |}
 ----
 Return to: [[Level 3 data (velocity point-measurements)|Level 3 spectra]]
 [[Category:Velocity point-measurements]]

CynthiaBluteau: /* Variables */

2021-12-16T20:46:06Z

Variables

← Older revision		Revision as of 20:46, 16 December 2021
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	\| TIME, N_VEL_INSTRUMENT		\| TIME, N_VEL_INSTRUMENT
	\| Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.		\| Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.
			\|-
			\| KVISC
			\| kinematic_viscosity_of_water
			\| [Scalar i.e., 1 value], or TIME, R_DIST
			\| This variable is used for assessing length scales against [[Kolmogorov length scale]]
	\|-		\|-
	\| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"\| Quality-control metrics		\| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"\| Quality-control metrics

CynthiaBluteau: /* Variables */

2021-12-16T20:36:39Z

Variables

← Older revision		Revision as of 20:36, 16 December 2021
Line 61:		Line 61:
	\| TIME, N_VEL_INSTRUMENT		\| TIME, N_VEL_INSTRUMENT
	\| Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.		\| Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.
			\|-
	\| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"\| Quality-control metrics		\| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"\| Quality-control metrics
	\|-		\|-
	\| ~~EPSI~~		\| EPSI_FLAGS
	\| specific_turbulent_kinetic_energy_dissipation		\| specific_turbulent_kinetic_energy_dissipation
	~~_in_water_status_flags~~		_in_water_status_flag
	\| TIME, N_VEL_COMPONENT, N_VEL_INSTRUMENT		\| TIME, N_VEL_COMPONENT, N_VEL_INSTRUMENT
	\| Status boolean flags (0-255, 8-bit) that designates one of 8 reasons for rejecting an estimate.		\| Status boolean flags (0-255, 8-bit) that designates one of 8 reasons for rejecting an estimate.

CynthiaBluteau: /* Variables */

2021-12-16T20:35:54Z

Variables

@@ Line 61: / Line 61: @@
 | TIME,  N_VEL_INSTRUMENT
 | Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.
+| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"|  Quality-control metrics
 ----

CynthiaBluteau at 20:33, 16 December 2021

2021-12-16T20:33:04Z

← Older revision		Revision as of 20:33, 16 December 2021
Line 7:		Line 7:

	Only a few attributes for each variable are listed since the page's purpose is to describe the information layout within each NetCDF file. Please refer to the {{FontColor\|bg=#fca1fd\|text= [[NetCDF_parameter\|complete list]]}} for the additional attributes related to each variable (e.g., units, bounds, cell_methods).		Only a few attributes for each variable are listed since the page's purpose is to describe the information layout within each NetCDF file. Please refer to the {{FontColor\|bg=#fca1fd\|text= [[NetCDF_parameter\|complete list]]}} for the additional attributes related to each variable (e.g., units, bounds, cell_methods).

			=Dimensions=
			<div class="mw-collapsible" id="raw" data-collapsetext="Collapse" data-expandtext="Expand dimensions">
			<br>
			The number of velocity instruments (N_VEL_INSTRUMENT) is here for completeness, but the benchmarks examples will have measurements only from one instrument stored.

			{\| class="wikitable sortable"
			\|-
			! Short name
			! Standard name
			! Dimensions
			! Comments
			\|-
			\| TIME
			\| time
			\| TIME
			\| Units in Days since 1950-01-01T00:00:00Z, time-centred. Provide "bounds" attribute to designate the variable containing the limits of each segment ([http://cfconventions.org/cf-conventions/v1.6.0/cf-conventions.html#methods-applied-to-a-timeseries-ex see CF-compliant example]).
			\|-
			\| N_VEL_COMPONENT
			\| unique_identifier_for_each_velocity_component
			\| N_VEL_COMPONENT
			\| Maximum of 3 for u,v, w (east, north, up) velocities
			\|-
			\| colspan="4" style="text-align:center; font-weight:bold; background-color:#f9eddd"\| Optional variables <math>\ddagger</math>
			\|-
			\| N_VEL_INSTRUMENT
			\| unique_identifier_for_each_velocity_instrument
			\| N_VEL_INSTRUMENT
			\| Required only if storing multiple synchronized instruments in the same file
			\|}
			</div>


			=Variables=
			<div class="mw-collapsible" id="raw" data-collapsetext="Collapse" data-expandtext="Expand variables">
			<br>
			{\| class="wikitable"
			\|-
			! Short name
			! Standard name
			! Dimensions
			! Comment
			\|-
			\| EPSI
			\| specific_turbulent_kinetic_energy_dissipation
			_in_water
			\| TIME, N_VEL_COMPONENT, N_VEL_INSTRUMENT
			\| Dissipation rate of turbulent kinetic energy per unit mass of water [W/kg] estimated from each velocity component.
			\|-
			\| EPSI_FINAL
			\| specific_turbulent_kinetic_energy_dissipation
			_in_water
			\| TIME, N_VEL_INSTRUMENT
			\| Final dissipation rate of turbulent kinetic energy per unit mass of water. Typically the vertical component, unless anisotropy precludes from its use.
			}

	----		----