SCC Documentation: docs/file_formats/elpp_product_format.rst@158cade2393b (annotated)

docs/file_formats/elpp_product_format.rst@158cade2393b (annotated)

docs/file_formats/elpp_product_format.rst

Wed, 30 Mar 2022 20:26:59 +0200

author: Giuseppe D'Amico <giuseppe.damico@imaa.cnr.it>
date: Wed, 30 Mar 2022 20:26:59 +0200
changeset 137: 158cade2393b
parent 136: a5059b423ea1
child 138: 40c146244738
permissions: -rw-r--r--

Minor corrections

 ELPP Products
 ----------------
 This section describe the structure of ELPP products.
 ELPP Products: dimensions
 ~~~~~~~~~~~~~~~~~~~~~~~~~
 The following dimensions are defined in ELPP products:
 -  time
 -  level
 -  channel
 -  depolarization
 -  angle
 -  nv
 -  nc
 The dimension *time* (mandatory) specifies the number of RCS (for each channel)
 composing all the pre-processed time-series reported in the products.
 The dimension *level* (mandatory) represents the number of rangebins characterizing
 the pre-processed RCS.
 The dimension *channel* (mandatory) indicates the number channels at which the RCS
 time-series included in the product refer to.
 The dimension *depolarization* (optional) indicates how many volume depolarization time-series are included in the products.
 The dimension *angle* (mandatory) takes into account how many zenith scan angles have been used to measure the RCS time-series reported into the products.
 The dimension *nv* (mandatory) is ancillary and it is always set to 2.
 The dimension *nc* (optional) is ancillary and provides the number of channels involved in the calculation of RCS or volume depolarization time-series.
 ELPP Products: variables
 ~~~~~~~~~~~~~~~~~~~~~~~~
 latitude
     :Type: *double*
     :Dimensions: --
     :Variable\_Type: Mandatory
     :Description: measurement site latitude
     :Units: degrees_north
     :Definition: *double latitude*
 longitude
     :Type: *double*
     :Dimensions: --
     :Variable\_Type: Mandatory
     :Description: measurement site longitude
     :Units: degrees_east
     :Definition: *double longitude*
 station\_altitude
    :Type: *double*
    :Dimensions: --
    :Variable\_Type: Mandatory
    :Description: station altitude above see level
    :Units: m
    :Definition: *double station\_altitude*
 altitude
    :Type: *double*
    :Dimensions: *time, level*
    :Variable\_Type: Mandatory
    :Description: altitude above see level
    :Units: m
    :Definition: *double altitude(time, level)*
 range
    :Type: *double*
    :Dimensions: *level*
    :Variable\_Type: Mandatory
    :Description: lidar range scale
    :Units: m
    :Definition: *double range(level)*
 laser\_pointing\_angle
    :Type: *double*
    :Dimensions: *angle*
    :Variable\_Type: Mandatory
    :Description: laser pointing angle with respect to the zenith
    :Units: degrees
    :Definition: *double laser\_pointing\_angle(angle)*
 laser\_pointing\_angle\_of\_profile
    :Type: *int*
    :Dimensions: *angle*
    :Variable\_Type: Mandatory
    :Description: index of scan angle at which each single raw profile has been detected
    :Units: --
    :Definition: *int laser\_pointing\_angle\_of\_profile(angle)*
 shots
    :Type: *int*
    :Dimensions: *time*
    :Variable\_Type: Mandatory
    :Description: accumulated laser shots
    :Units: --
    :Definition: *int shots(time)*
 time
    :Type: *double*
    :Dimensions: *time*
    :Variable\_Type: Mandatory
    :Description: seconds since 1970-01-01T00:00:00Z
    :Units: --
    :Definition: *double time(time)*
 time\_bounds
    :Type: *double*
    :Dimensions: *time, nv*
    :Variable\_Type: Mandatory
    :Description: seconds since 1970-01-01T00:00:00Z
    :Units: --
    :Definition: *double time\_bounds(time,nv)*
 cloud\_mask\_type
    :Type: *byte*
    :Dimensions: --
    :Variable\_Type: Mandatory
    :Description: Bimask describing the cloudmask type
    :Units: --
    :Definition: *byte cloud_mask_type*
 cloud\_mask
    :Type: *byte*
    :Dimensions: *time, level*
    :Variable\_Type: Optional
    :Description: Bimask describing the cloudmask
    :Units: --
    :Definition: *byte cloud_mask(time, level)*
 cloud\_fraction
    :Type: *double*
    :Dimensions: *time, level*
    :Variable\_Type: Optional
    :Description: Fraction of cloud contamination
    :Units: --
    :Definition: *byte cloud_mask(time, altitude)*
 temperature
    :Type: *double*
    :Dimensions: *time, level*
    :Variable\_Type: Mandatory
    :Description: Atmospheric temperature
    :Units: K
    :Definition: *double temperature(time, level)*
 pressure
    :Type: *double*
    :Dimensions: *time, level*
    :Variable\_Type: Mandatory
    :Description: Atmospheric pressure
    :Units: mbar
    :Definition: *double pressure(time, level)*
 molecular\_calculation\_source
    :Type: *byte*
    :Dimensions: --
    :Variable\_Type: Mandatory
    :Description: Source used to compute the atmospheric molecular density
    :Units: --
    :Definition: *byte molecular_calculation_source*
 scc\_product\_type
    :Type: *byte*
    :Dimensions: --
    :Variable\_Type: Mandatory
    :Description: Bitmask describing the SCC product type
    :Units: --
    :Definition: *byte scc\_product\_type*
 range\_corrected\_signal\_channel\_id
    :Type: *int*
    :Dimensions: *channel, nc*
    :Variable\_Type: Optional
    :Description: SCC channel ID list involved in the calculation of the range corrected signal total timeseries
    :Units: --
    :Definition: *int range\_corrected\_signal\_channel\_id(channel, nc)*
 range\_corrected\_signal\_channel\_name
    :Type: *string*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Channel name for the range corrected signal timeseries
    :Units: --
    :Definition: *string range\_corrected\_signal\_channel\_name(channel)*
 range\_corrected\_signal\_emission\_wavelength
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Emission wavelength used to measure the range corrected signal timeseries
    :Units: *nm*
    :Definition: *double range\_corrected\_signal\_emission\_wavelength(channel)*
 range\_corrected\_signal\_detection\_wavelength
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Detection wavelength used to measure the range corrected signal timeseries
    :Units: *nm*
    :Definition: *double range\_corrected\_signal\_detection\_wavelength(channel)*
 range\_corrected\_signal\_range
    :Type: *byte*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Bitmask to identify range corrected signal range type
    :Units: --
    :Definition: *byte range\_corrected\_signal\_range(channel)*
 range\_corrected\_signal\_scatterers
    :Type: *byte*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Bitmask to identify range corrected signal scatterer type
    :Units: --
    :Definition: *byte range\_corrected\_signal\_scatterers(channel)*
 range\_corrected\_signal\_detection\_mode
    :Type: *byte*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Bitmask to identify range corrected signal detection mode
    :Units: --
    :Definition: *byte range\_corrected\_signal\_detection\_mode(channel)*
 polarization\_crosstalk\_parameter\_g
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Polarization crosstalk parameter (G)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_g(channel)*
 polarization\_crosstalk\_parameter\_g\_statistical\_error
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Statistical error on polarization crosstalk parameter (G)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_g\_statistical\_error(channel)*
 polarization\_crosstalk\_parameter\_g\_systematic\_error
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Systematic error on polarization crosstalk parameter (G)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_g\_systematic\_error(channel)*
 polarization\_crosstalk\_parameter\_h
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Polarization crosstalk parameter (H)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_h(channel)*
 polarization\_crosstalk\_parameter\_h\_statistical\_error
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Statistical error on polarization crosstalk parameter (H)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_h\_statistical\_error(channel)*
 polarization\_crosstalk\_parameter\_h\_systematic\_error
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Systematic error on polarization crosstalk parameter (H)
    :Units: --
    :Definition: *double polarization\_crosstalk\_parameter\_H\_systematic\_error(channel)*
 polarization\_channel\_geometry
    :Type: *byte*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Polarization channel geometry
    :Units: --
    :Definition: *byte polarization\_channel\_geometry*
 polarization\_channel\_configuration
    :Type: *byte*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Polarization channel configuration
    :Units: --
    :Definition: *byte polarization\_channel\_configuration(channel)*
 overlap\_correction\_function
    :Type: *double*
    :Dimensions: *channel,angle, level*
    :Variable\_Type: Mandatory
    :Description: Overlap funciton used to correct the range corrected signal
    :Units: --
    :Definition: *double overlap\_correction\_function(channel, angle, level)*
 assumed\_particle\_lidar\_ratio
    :Type: *double*
    :Dimensions: *angle, level*
    :Variable\_Type: Optional
    :Description: Assumed particle lidar ration for the elastic-only backscatter retrieval
    :Units: *sr*
    :Definition: *double assumed\_particle\_lidar\_ratio(angle, level)*
 assumed\_particle\_lidar\_ratio\_error
    :Type: *double*
    :Dimensions: *angle, level*
    :Variable\_Type: Optional
    :Description: Total error (uncertainty) on assumed particle lidar ration for the elastic-only backscatter retrieval
    :Units: *sr*
    :Definition: *double assumed\_particle\_lidar\_ratio(angle, level)*
 molecular\_extinction
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Mandatory
    :Description: Calculated molecular extinction at emission wavelength
    :Units: *m^{-1}*
    :Definition: *double molecular\_extinction(channel, time, level)*
 molecular\_transmissivity\_at\_emission\_wavelength
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Mandatory
    :Description: Calculate molecular transmissivity at emission wavelentgh
    :Units: --
    :Definition: *double molecular\_transmissivity\_at\_emission\_wavelength(channel, time, level)*
 molecular\_transmissivity\_at\_detection\_wavelength
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Mandatory
    :Description: Calculate molecular transmissivity at detection wavelentgh
    :Units: --
    :Definition: *double molecular\_transmissivity\_at\_detection\_wavelength(channel, time, level)*
 molecular\_lidar\_ratio
    :Type: *double*
    :Dimensions: *channel*
    :Variable\_Type: Mandatory
    :Description: Calculated molecular lidar ratio at emission wavelength
    :Units: *sr*
    :Definition: *double molecular\_lidar\_ratio(channel)*
 depolarization\_calibration\_index
    :Type: *int*
    :Dimensions: *channel*
    :Variable\_Type: Optional
    :Description: Depolarization index to use to calibrate the channel
    :Units: --
    :Definition: *int depolarization\_calibration\_index(channel)*
 polarization\_calibration\_type
    :Type: *byte*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Polarization calibration type
    :Units: --
    :Definition: *byte polarization\_calibration\_type(depolarization)*
 molecular\_depolarization\_ratio
    :Type: *double*
    :Dimensions: *depolarization, time, level*
    :Variable\_Type: Optional
    :Description: Calculated molecular depolarization ratio
    :Units: --
    :Definition: *double molecular\_depolarization\_ratio(depolarization, time, level)*
 near\_range\_glueing\_region\_minimum
    :Type: *double*
    :Dimensions: *channel, time*
    :Variable\_Type: Optional
    :Description: Mininum altitude of glueing region for the near range and far range signals
    :Units: *m*
    :Definition: *double near\_range\_glueing\_region\_minimum(channel, time)*
 near\_range\_glueing\_region\_maximum
    :Type: *double*
    :Dimensions: *channel, time*
    :Variable\_Type: Optional
    :Description: Mininum altitude of glueing region for the near range and far range signals
    :Units: *m*
    :Definition: *double near_range_glueing_region_maximum(channel, time)*
 ultra\_near\_range\_glueing\_region\_minimum
    :Type: *double*
    :Dimensions: *channel, time*
    :Variable\_Type: Optional
    :Description: Mininum altitude of glueing region for the ultra near range and near range signals
    :Units: *m*
    :Definition: *double ultra\_near\_range\_glueing\_region\_minimum(channel, time)*
 ultra\_near\_range\_glueing\_region\_maximum
    :Type: *double*
    :Dimensions: *channel, time*
    :Variable\_Type: Optional
    :Description: Maximum altitude of glueing region for the ultra near range and near range signals
    :Units: *m*
    :Definition: *double ultra\_near_range_glueing_region_maximum(channel, time)*
 range\_corrected\_signal
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Mandatory
    :Description: Range corrected signal timeseries
    :Units: --
    :Definition: *double range\_corrected\_signal(channel, time, level)*
 range\_corrected\_signal\_statistical\_error
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Mandatory
    :Description: Statistical error (uncertainty) on range corrected signal timeseries
    :Units: --
    :Definition: *double range\_corrected\_signal\_statistical\_error(channel, time, level)*
 range\_corrected\_signal\_systematic\_error
    :Type: *double*
    :Dimensions: *channel, time, level*
    :Variable\_Type: Optional
    :Description: Systematic error (uncertainty) on range corrected signal timeseries
    :Units: --
    :Definition: *double range\_corrected\_signal\_statistical\_error(channel, time, level)*
 polarization\_gain\_factor\_measurementid
    :Type: *string*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Measurement ID corresponding to the polarization measurements used to calibrate polarization channels
    :Units: --
    :Definition: *string polarization\_gain\_factor\_measurementid(depolarization)*
 polarization\_gain\_factor
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Reflected to transmitted polarization channel gain factor (eta*)
    :Units: --
    :Definition: *double polarization\_gain\_factor(depolarization)*
 polarization\_gain\_factor\_statistical\_error
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Statistical error (uncertainty) on reflected to transmitted polarization channel gain factor
    :Units: --
    :Definition: *double polarization\_gain\_factor\_statistical\_error(depolarization)*
 polarization\_gain\_factor\_systematic\_error
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Systamatic error (uncertainty) on reflected to transmitted polarization channel gain factor
    :Units: --
    :Definition: *double polarization\_gain\_factor\_systematic\_error(depolarization)*
 polarization\_gain\_factor\_start\_datetime
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Polarization gain factor measurement start datetime
    :Units: seconds since 1970-01-01T00:00:00Z
    :Definition: *double polarization\_gain\_factor\_start\_datetime(depolarization)*
 polarization\_gain\_factor\_stop\_datetime
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Polarization gain factor measurement stop datetime
    :Units: seconds since 1970-01-01T00:00:00Z
    :Definition: *double polarization\_gain\_factor\_stop\_datetime(depolarization)*
 polarization\_gain\_factor\_correction
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Reflected to transmitted polarization channel gain correction factor (K)
    :Units: --
    :Definition: *double polarization\_gain\_factor\_correction(depolarization)*
 polarization\_gain\_factor\_correction\_statistical\_error
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Statistical error (uncertainty) on reflected to transmitted polarization channel gain correction factor
    :Units: --
    :Definition: *double polarization\_gain\_factor\_correction\_statistical_error(depolarization)*
 polarization\_gain\_factor\_correction\_systematic\_error
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Systamatic error (uncertainty) on reflected to transmitted polarization channel gain correction factor
    :Units: --
    :Definition: *double polarization\_gain\_factor\_correction\_systematic\_error(depolarization)*
 polarization\_gain\_factor\_correction\_start\_datetime
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Polarization gain corrrection factor measurement start datetime
    :Units: seconds since 1970-01-01T00:00:00Z
    :Definition: *double polarization\_gain\_factor\_correction\_start\_datetime(depolarization)*
 polarization\_gain\_factor\_correction\_stop\_datetime
    :Type: *double*
    :Dimensions: *depolarization*
    :Variable\_Type: Optional
    :Description: Polarization gain correction factor measurement stop datetime
    :Units: seconds since 1970-01-01T00:00:00Z
    :Definition: *double polarization\_gain\_factor\_correction\_stop\_datetime(depolarization)*
 ELPP Products: global attributes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Conventions
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: List of the conventions the product is compliant to
 title
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Product title
 source
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: String describing the source used to generate the product
 references
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Reference(s) for data processing
 location
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Measurement site location
 station_ID
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Unique 3 digit code identifying SCC station
 PI
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: PI full name
 PI\_affiliation
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
      :Description: PI complete affiliation
 PI\_affiliation_acronym
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: PI affiliation acronym
 PI\_address
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: PI address
 PI\_phone
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: PI phone number
 PI\_email
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: PI e-mail
 Data\_Originator
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Data originator full name
 Data\_Originator\_affiliation
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Data originator complete affiliation
 Data\_Originator\_affiliation\_acronym
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Data originator affiliation acronym
 Data\_Originator\_address
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: Data originator complete address
 Data\_Originator\_phone
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: Data originator phone number
 Data\_Originator\_email
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Data originator e-mail address
 institution
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Istitution the product belong to
 system
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Name of the measuring instrument (lidar)
 hoi\_system\_ID
     :Type: *int*
     :Global\_Attribute\_Type: Mandatory
     :Description: Numeric ID identifying the measuring system in the ACTRIS/EARLINET Handbook Of Instrument (HOI)
 hoi\_configuration\_ID;
     :Type: *int*
     :Global\_Attribute\_Type: Mandatory
     :Description: Numeric ID identifying the configuration of the measuring system in the ACTRIS/EARLINET Handbook Of Instrument (HOI)
 measurement\_ID;
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Alphanumeric identifier for the raw data measurements use to generate the product
 measurement\_start\_datetime
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Measurement start datetime YYYY-mm-ddTHH:MM:SSZ
 measurement\_stop\_datetime
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Measruement stop datetime YYYY-mm-ddTHH:MM:SSZ
 comment
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: Any product comments
 scc\_version\_description
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Extended SCC version description
 scc\_version
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: SCC version number
 processor\_name
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Name of the processor used to generate the product
 processor\_version
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Version of the processor used to generate the product
 history
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Field describing the history of the product
 \_\_file\_format_version
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Version of the product file format
 data\_processing\_institution
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Instituion responsible for data processing
 input\_file
     :Type: *string*
     :Global\_Attribute\_Type: Mandatory
     :Description: Filename of the input data product used to generate the current product
 molecular\_calculation\_source\_file
     :Type: *string*
     :Global\_Attribute\_Type: Optional
     :Description: Name of the source file containing atmospheric PTU profile(s) used to compute molecular number density (if standard atmosphere is used this global attribute is missing)

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