CloudScreen Products

This section describe the structure of CloudScreen products.

CloudScreen Products: dimensions

The following dimensions are defined in CloudScreen products:

  • time
  • level
  • nv

The dimension time (mandatory) specifies the number of cloudmask vertical profiles reported in the products.

The dimension level (mandatory) represents the number of rangebins characterizing each cloudmask verical profile.

The dimension nv (mandatory) is ancillary and it is always set to 2.

CloudScreen 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)
scc_product_type
Type:byte
Dimensions:–
Variable_Type:Mandatory
Description:Bitmask describing the SCC product type
Units:–
Definition:byte scc_product_type
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)
automatic_cloud_mask
Type:byte
Dimensions:time, level
Variable_Type:Mandatory
Description:Automatic cloudmask
Units:–
Definition:byte automatic_cloud_mask(time, level)
manual_cloud_mask
Type:byte
Dimensions:time, level
Variable_Type:Optional
Description:Manual cloudmask
Units:–
Definition:byte manual_cloud_mask(time, level)

CloudScreen 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_algorithm
Type:string
Global_Attribute_Type:
 Mandatory
Description:Name of the cloudmask algorithm
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
automatic_mask_channels
Type:string
Global_Attribute_Type:
 Mandatory
Description:Channels used to generate the cloumask (SCC channel names)