|
|
| Line 27: |
Line 27: |
| |date_created || The date on which the data was created, yyyy-mm-ddTHH:MM:SSZ | | |date_created || The date on which the data was created, yyyy-mm-ddTHH:MM:SSZ |
| |- | | |- |
| |date_update || The date on which the data was last modified, yyyy-mm-ddTHH:MM:SSZ | | |date_modified || The date on which the data was last modified, yyyy-mm-ddTHH:MM:SSZ |
| |- | | |- |
| |time_reference_year || Year for time reference | | |time_reference_year || Year for time reference |
| Line 62: |
Line 62: |
| |- | | |- |
| | history || Provides an audit trail for modifications to the original data; e.g., Version 1 | | | history || Provides an audit trail for modifications to the original data; e.g., Version 1 |
| |-
| |
| | data_mode || D (D)elayed
| |
| |} | | |} |
| <math>^a</math> or fs_ctd or similar if such records are included | | <math>^a</math> or fs_ctd or similar if such records are included |
| Line 83: |
Line 81: |
| | f_AA || Hz, the anti-aliasing frequency. | | | f_AA || Hz, the anti-aliasing frequency. |
| |- | | |- |
| | FOM_limit || non-dimensional, if absent the FOM QC-flag is not set. Typically, 1.15. | | | FOM_limit || non-dimensional, if absent the FOM QC-flag is not set. Typically, 1.15. It can be as large as 1.4. |
| |- | | |- |
| | diss_ratio_limit || non-dimensional, if absent the dissipation ration QC-flag is not set. Typically, 2.77. | | | diss_ratio_limit || non-dimensional, if absent the dissipation ration QC-flag is not set. Typically, 2.77. |
| Line 119: |
Line 117: |
| |contact || email address of corresponding author (usually principal investigator) | | |contact || email address of corresponding author (usually principal investigator) |
| |- | | |- |
| |project_name || name of project for which the data was collected | | |project || name of project for which the data was collected |
| |- | | |- |
| |cruise || name of cruise from which the data was collected | | |cruise || name of cruise from which the data was collected |
| Line 140: |
Line 138: |
| |- | | |- |
| |station_name || name of station | | |station_name || name of station |
| | |- |
| | |license || the URL to a standard or specific license, |
| | e.g, http://creativecommons.org/licenses/by/4.0/, Freely Distributed, or None |
| |} | | |} |
|
| |
|
Below we list the metadata required in a NetCDF data file, as well as the optional meta data we highly recommend that are included with the data set.
The parameter names should be used as listed (attention to underscores). The descriptions are example text or several options that are available for that parameter.
Required Metadata
| Parameter Name |
Description
|
| title |
E.g., Vertical micostructure profiler data from cruise XXX
|
| authors |
Names of authors
|
| summary |
An abstract describing the dataset
|
| comment |
Supplementary technical details about the collecting and processing of the dataset
|
| platform_type |
The platform from which the data are collected. From the SeaVoX Platform Categories (L06) list,
e.g. sub-surface mooring, research vessel, sub-surface glider
|
| source |
The instrument used for collecting the data. For example, vertical microstructure profiler, VMP2000 SN009.
|
| date_created |
The date on which the data was created, yyyy-mm-ddTHH:MM:SSZ
|
| date_modified |
The date on which the data was last modified, yyyy-mm-ddTHH:MM:SSZ
|
| time_reference_year |
Year for time reference
|
| time_coverage_start |
Time of the first data point in the dataset, yyyy-mm-ddTHH:MM:SSZ
|
| time_coverage_end |
Time of thelast data point in the dataset, yyyy-mm-ddTHH:MM:SSZ
|
| geospatial_lat_min |
Southern bound of data, decimal degrees, negative for South
|
| geospatial_lat_max |
Northern bound of data, decimal degrees, negative for South
|
| geospatial_lon_min |
Western bound of data, decimal degrees, negative for West
|
| geospatial_lon_max |
Eastern bound of data, decimal degrees, negative for West
|
| fs_fast |
Sampling frequency for fast (turbulence) channels
|
| fs_slow [math]\displaystyle{ ^a }[/math] |
Sampling frequency for slow channels (if exist)
|
| profiling_direction |
E.g., horizontal, vertical, or glide
|
| fft_length |
Length of the Fast Fourier transform segments (in data points; note, fft_lengths_sec in seconds is optional)
|
| diss_length |
Length of data (in data points) used for each dissipation estimate
|
| overlap |
Length of overlap (in data points) in diss_length
|
| goodman |
Vibration coherent noise removal using the Goodman algorithm. 0=not applied; 1=applied
|
| HP_cut |
The high-pass filter cutoff frequency in Hz. Can be zero for no filtering.
|
| conventions |
A comma-separated list of the conventions that are followed by the dataset. e.g., CF-1.6, ACDD-1.3, ATOMIX
|
| history |
Provides an audit trail for modifications to the original data; e.g., Version 1
|
[math]\displaystyle{ ^a }[/math] or fs_ctd or similar if such records are included
Optional Metadata
| Parameter Name |
Description
|
| fft_length_sec |
seconds
|
| diss_length_sec |
seconds
|
| overlap_sec |
(for diss_length_sec) seconds
|
| f_AA |
Hz, the anti-aliasing frequency.
|
| FOM_limit |
non-dimensional, if absent the FOM QC-flag is not set. Typically, 1.15. It can be as large as 1.4.
|
| diss_ratio_limit |
non-dimensional, if absent the dissipation ration QC-flag is not set. Typically, 2.77.
|
| despike_shear_fraction_limit |
non-dimensional, if absent the de-spike fraction QC-flag is not set. Typically, 0.05.
|
| despike_shear_iterations_limit |
non-dimensional, if absent the de-spike iteration passes QC-flag is not set. Typically 8.
|
| variance_resolved_limit |
threshold for the minimum percent of variance resolved in a shear spectrum. Typically 50%.
|
| spectral_model |
e.g., Nasmyth, Lueck or Panchev-Kesich
|
| spectrum_std |
statistical uncertainty (standard deviation) of the natural logarithm of spectrum of shear
|
| num_vibration_goodman |
number of vibration or acceleration time series used to clean the shear spectrum
|
| f_limit |
upper limit to exclude frequencies that have contaminations. Typically infinity.
|
| fit_2_isr |
dissipation threshold to use the method of fitting to the inertial subrange. Typically 10-5 W/kg.
|
| eps_remove_top_meters |
if applicable, upper meters removed from dissipation estimates (e.g., because of ship)
|
| area |
e.g., Arctic Ocean, Barents Sea
|
| geospatial_vertical_min |
0
|
| geospatial_vertical_max |
in m
|
| geospatial_vertical_positive |
down, up
|
| institution |
e.g. University of Bergen
|
| principal_investigator |
Name of Principal Investigator
|
| contact |
email address of corresponding author (usually principal investigator)
|
| project |
name of project for which the data was collected
|
| cruise |
name of cruise from which the data was collected
|
| vessel |
name of vessel from which the data was collected
|
| source |
From the SeaVoX Platform Categories vocabulary (L06) list, e.g. “subsurface mooring”, ”ship”, ""sub-surface gliders"", ""autonomous underwater vehicle"" (CF)
|
| references |
key references
|
| keywords |
relevant keywords describing data e.g. shear probes
|
| creator_name |
name of person who generated the file
|
| creator_email |
email address of person who generated the file
|
| creator_url |
website address of the creator
|
| acknowledgement |
acknowledgements for this data. e.g. this could include crew of ship or funders
|
| station_name |
name of station
|
| license |
the URL to a standard or specific license,
e.g, http://creativecommons.org/licenses/by/4.0/, Freely Distributed, or None
|
return to Dataset requirements for shear probes
