ACCESS FUNCTIONS

Definition of the access functions that are developed in Eubrewnet

The users with the right permissions have access to some functions to directly get the information stored in the database. The root of the access functions is the same for all http://eubrewnet.aemet.es/eubrewnet/data/. From this point users can select different function. As Example Get DS.

The DS database access function provides the Direct Sun individual measures enhanced by information from their summaries and if they are between correct Mercury Lamp Tests.

• It receives as inputs at least a brewerid and a date: Use of get DS with brewerid and date
• Optionally, an enddate input parameter can be provided: Use of get DS with enddate
• The functions accept a format input parameter for formatting the output in different ways: Use of get DS with format

Description of the DS Get Function:

• Function: DS
• Description: Get the Direct Sun individual measures. Gives extra information from the summaries as the temperature or the double ratios and set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Direct Sun individual measures with extra values comming from:
  1. Summary: temp (temperature), zenith_angle, airmass, double_ratio1, double_ratio2
  2. B file: date (in ISO 8601 format)
  3. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

There is a Get Function Table with a summary of the available functions to access stored data and their links as example. The extended documentation for each function can be directly access from the table using the links in the column Long Description.

For products, the Eubrewnet provides an interface for processing by demand. The Process Function Table gives a summary of the available process functions. Even the data providers can force a process and database stored data update using the update interface. The Update Function Table sumarizes the available functions. Providers can force only the update of the products of their Brewers.

There are some common inputs for the functions as the parameter format or the list of common inputs (as the brewerid and dates) wich can be used in almost every function. The description can be found in the COMMON SECTION.

Examples of the use of the functions are provided for Matlab 2013A, Matlab 2015A and Python in the EXAMPLE SECTION.

For security purposes user authentication has been added to this tools and their use is registered.

The access functions provide four different ways of data access using the format input parameter.

Almost all functions accept the following input options:

See also the code examples in matlab and python.

For selected functions, passing the &means=xk variable in the URL will return the mean of all the output fields in the period specified by xk, where x is a number and k is any of min, h (hours), d (days), or M (months). The output includes two extra fields, stats_nobs, with the number of measurements which have been used to calculate the mean, and stats_std_o3 with the standard deviation of the ozone over the specified period. Examples:

1. Hourly means: http://eubrewnet.aemet.es/eubrewnet/data/get/O3L1_5?brewerid=185&date=2018-05-01&enddate=2018-05-15&format=text&means=1h
2. Daily means: http://eubrewnet.aemet.es/eubrewnet/data/get/O3L1_5?brewerid=185&date=2018-05-01&enddate=2018-06-01&format=text&means=1d

• Function: DS
• Description: Get the Direct Sun individual measures. Gives extra information from the summaries as the temperature or the double ratios and set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Direct Sun individual measures with extra values comming from:
  1. Summary: temp (temperature), zenith_angle, airmass, double_ratio1, double_ratio2
  2. B file: date (in ISO 8601 format)
  3. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: DSS
• Description: Get the Direct Sun Summary measures. Set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Direct Sun Summary measures with extra value coming fromm:
  1. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: ZS
• Description: Get the Zenith Sky individual measures. Gives extra information from the summaries as the temperature or the double ratios and set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Zenith Sky individual measures with extra values comming from:
  1. Summary: temp (temperature), zenith_angle, airmass, double_ratio1, double_ratio2
  2. B file: date (in ISO 8601 format)
  3. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: ZSS
• Description: Get the Zenith Sky Summary measures. Set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Zenith Sky Summary measures with extra value coming fromm:
  1. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: FM
• Description: Get the Focused Moon individual measures. Gives extra information from the summaries as the temperature or the double ratios and set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Focused Moon individual measures with extra values comming from:
  1. Summary: temp (temperature), zenith_angle, airmass, double_ratio1, double_ratio2
  2. B file: date (in ISO 8601 format)
  3. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: FMS
• Description: Get the Focused Moon Summary measures. Set a flag for mercury (hg_test) if the measure is between two correct mercury tests with a difference of 1 or less from the reference.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Focused Moon Summary measures with extra value coming fromm:
  1. HG measures: hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: SL
• Description: Get the Standard Lamp individual measures. Gives extra information from the summaries as the temperature or the double ratios.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Zenith Sky individual measures with extra values comming from:
  1. Summary: temp (temperature), zenith_angle, airmass, double_ratio1, double_ratio2

• Function: SLS
• Description: Get the Standard Lamp Summary measures.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Standard Lamp Summary measures

• Function: ConfigbyDate
• Description: Returns the latest operative configuration (see configuration info) with earlier date than given as input. If a date range is provided, returns the list of available configuration during the date range.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Configuration or list of configurations

• Function: HK
• Description: Returns instrumental information to characterize the measuring conditions
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: instrumental parameters: temperature at the PMT, fan temperature, temperature of base plate, relative humidity, absolute humidity, atmospheric pressure and external temperature.

• Function: HP
• Description: Returns the grating synchronisation tests with a flag (hp_test) which sets if its a passed the test or not
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Grating synchronisation test with extra value:
  1. hp_test (0: incorrect HP test; 1: correct HP test)

• Function: HG
• Description: Returns Mercury Tests with a mercury flag (hg_test) which sets if its a passed mercury test or not
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Mercury tests with extra value:
  1. hg_test (0: measures is not between two correct HG tests; 1: measure between two correct HG tests)

• Function: FV
• Description: Returns Field of view Tests
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Field of view measurements:
  1. scan format: (azimuth step, zenith step, azimuth angle, zenith angle, intensity)

• Function: BFV
• Description: Returns Field of view Tests from B file
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Field of view measurements

• Function: AP
• Description: Returns AP measurements from B file
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. channel: number of channel to look for
• Output: AP measurements

• Function: BHeader
• Description: Returns B File Header. Values like date of B file, latitude, longitude and pressure and the content of the used ICF file
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: Inst section from B file with extra fields. All of them from the B file:
  1. brewerid
  2. date
  3. location
  4. latitude
  5. longitude
  6. temp
  7. press

• Function: DTO3
• Description: Returns DTO3 measurements from B file.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: DTO3 measurements from B file

• Function: RSO3
• Description: Returns RSO3 measurements from B file.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: RSO3 measurements from B file

• Function: FileStatus
• Description: Give the status after parsing of a file. Users can look for files for a Brewer between a range of dates or directly look for the information of a specific file.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. file: name of the file to see STATUS
• Outputs: File status information as:
  1. date: date of the file
  2. status: error status of the Brewer (0: No error)
  3. path: where to find the file
  4. fname: name of the file
  5. process_date, process_time: timestamp of the parsing
  6. kind: kind of the file
  7. text: messages thrown while file parsing

• Function: AVG
• Description: Give the stored avg measures depending on avg input parameter
• Inputs:
  1. avg: Average name (apnavg, apoavg…)
  2. brewerid: see Brewerid in common inputs
  3. date: see Date in common inputs
  4. enddate: see Enddate in common inputs
  5. format: see Format
• Outputs: AVG measures

The list of available AVGS access functions is:

• Function: CO
• Description: return the comments in the B file
• Example: https://rbcce.aemet.es/eubrewnet/data/get/CO?brewerid=185&date=2023-01-01&enddate=2023-01-05&format=text&keyword=ds:
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. keyword: return only the comments than contain this keyword
  5. format: see Format
• Output:
  1. brewerid
  2. gmt
  3. comment

• Function: bfiletimes
• Description: return the time range, both UTC and solar, included in a B file, as determined from the first and last CO comment included in the file
• Example: https://rbcce.aemet.es/eubrewnet/data/get/bfiletimes?brewerid=185&date=2023-01-01&enddate=2023-01-05&format=text
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output:
  1. brewerid
  2. bfile: jjjyy value in the name of the bfile
  3. gmt: UTC time of the first CO comment in the bfile
  4. endgmt: UTC time of the last CO comment in the bfile
  5. solartime: solar time corresponding to gmt
  6. endsolartime: solar time corresponding to endgmt
  7. longitude: longitude of the Brewer location
  8. bfileid: id used by EUBREWNET to identify the bfile

The output of the GET functions is stored in Eubrewnet's database, from where it's retrieved on each function call with little further processing. They are faster than their equivalent PROCESS functions, which process the data in real time, usually starting from the previous level. Whenever possible, GET functions should be used instead of the PROCESS equivalents.

• Function: O3L1
• Description: Give the processed Ozone calculated using standard Algorithm and Direct Sun Measures. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. DS Summaries: temperature
  2. B file: latitude, longitude, pressure
  3. Daily index of the Summary they belong
  4. Standard Deviation for Ozone and SO2
  5. Config Identification number and date
  6. Date and Time when they where processed
  7. Date in Continuous Index (see Matlab Datenum Ref)

In Products Description Ozone Level 1 there is a summary table with the output of this product

• Function: O3L1_5
• Description: Give the processed Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. Filter flag
  2. Correction flag
  3. r5, r6 and their references

In Products Description Ozone Level 1.5 there is a summary table with product content

• Function: O3L2_0
• Description: Give the processed Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions. The Level 2.0 is available only for validated Configurations.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. debug: change the ouput to see the corrections that are being applied. (True)
  6. rejected: returns the filtered data, too (True)
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. Filter flag
  2. Correction flag
  3. r5, r6 and their references
• Outputs in case that the debug input is set, the output will contain:
  1. date index, solar zenith angle, airmass, temperature, filter
  2. o3, o3 sl correction, o3 etc correction by slit, o3 straylight correction,
  3. r6, r6 of reference, filter flag, correction flag

In Products Description Ozone Level 2.0 there is a summary table with the output of this product

• Functions: O3L1ZS, O3L1_5ZS, and O3L2_0ZS
• Description: These functions provide the same output as the O3L1, O3L1_5, and O3L2_0 described above, but for the Zenith Sky measurement. Note that the 9 empirical Zenith Sky constants must be defined in the Brewer configuration.
• Input: same as the O3L1, O3L1_5, and O3L2_0 functions
• Output: same as the O3L1, O3L1_5, and O3L2_0 functions

• Functions: O3L1byStation, O3L1_5byStation, and O3L2_0byStation
• Description: These functions provide the same output as the O3L1, O3L1_5, and O3L2_0 described above, but for the requested station. As of September 2020, the station products will output the data of the first Brewer defined for a station, or, if not available, that of the second. If data of the second Brewer is also not available, data of the third Brewer will be used, and so on.
• Example: http://eubrewnet.aemet.es/eubrewnet/data/get/O3L1_5byStation?gaw_id=IZO&date=2020-04-05&enddate=2020-04-06&format=text – note that in the output there is data for both Brewers #157 and #185: the former is the first Brewer defined in the station view (http://eubrewnet.aemet.es/eubrewnet/station/view/9) but it was not operating on 2020-04-05; Brewer #183 is the second instrument defined for the station, but it was also not operating on this day, so the data of B#185 has been used.
• Input:
  1. gaw_id or woudc_id: GAW or WOUDC ID of the station
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
• Output: same as O3L1, O3L1_5, or O3L2_0

• Functions: O3L1ALLbyStation, O3L1_5ALLbyStation, and O3L2_0ALLbyStation
• Description: These functions provide the same output as the O3L1byStation, O3L1_5byStation, and O3L2_0byStation described above, but includes both DS and ZS observations.
• Example: https://rbcce.aemet.es/eubrewnet/data/get/O3L1_5ALLbyStation?gaw_id=IZO&date=2022-05-10&format=text
• Input:
  1. gaw_id or woudc_id: GAW or WOUDC ID of the station
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
• Output: the same as O3L1byStation, O3L1_5byStation, and O3L2_0byStation, plus
  1. obscode: a numeric code indicating whether the observation corresponds to a DS (0) or ZS (3) measurement

• Functions: O3L1PRIObyStation, O3L1_5PRIObyStation, and O3L2_0PRIObyStation
• Description: These functions provide the same output as the O3L1byStation, O3L1_5byStation, and O3L2_0byStation described above, but includes both DS and ZS observations – the latter only when there are no DS observations available in the day (see also the priority input option below)
• Example: https://rbcce.aemet.es/eubrewnet/data/get/O3L1_5PRIObyStation?gaw_id=IZO&date=2022-05-10&format=text
• Input:
  1. gaw_id or woudc_id: GAW or WOUDC ID of the station
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
  6. priority: set the priority of mesaurements' types. By default, this is set to DS,ZS, but the user can also select ZS,DS to show the DS measurements when no ZS are available in the day
• Output: the same as O3L1byStation, O3L1_5byStation, and O3L2_0byStation, plus
  1. obscode: a numeric code indicating whether the observation corresponds to a DS (0) or ZS (3) measurement

• Function: brewerStationClimatology
• Description: This function returns the daily atmospheric parameters corresponding to the location of the Brewer spectrophotometer
• Example: https://rbcce.aemet.es/eubrewnet/data/get/brewerStationClimatology?brewerid=150&date=2021-01-01&enddate=2021-01-02&format=text
• Input:
  1. brewerid: this is the ID of the Brewer. This follows the format described in Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output:
  1. brewerid: ID of the Brewer
  2. date: date in YYYY-MM-DD format
  3. name: station's name
  4. id: Eubrewnet's internal station ID
  5. latitude: station's latitude in +N degrees
  6. longitude: station's longitude in +W degrees
  7. height: station's altitude in meters
  8. hteff_fun: climatological series used
  9. h_eff: ozone effective altitude in km
  10. e_h_eff: uncertainty of the ozone effective altitude in km
  11. t_eff: effective temperature in K
  12. e_t_eff: uncertainty of the effective temperature in K
  13. press: station's pressure in mbar
  14. e_press: uncertainty of the station's pressure in mbar
  15. heff_r: Rayleigh effective altitude in km
  16. e_heff_r: uncertainty of the Rayleigh effective altitude in km
  17. h_error_m: difference between the ERA5 and TOMS effective altitudes
  18. h_error_std: standard deviation of the ERA5-TOMS difference of effective altitudes
  19. t_error_m: difference between the ERA5 and TOMS effective temperatures
  20. t_error_std: standard deviation of the ERA5-TOMS difference of effective temperatures

• Functions: UNCL1 and UNCL1_V2
• Description: Level 1 uncertainty product for the standard and V2 ozone algorithms.
• Examples: https://rbcce.aemet.es/eubrewnet/data/get/UNCL1?brewerid=163&date=2019-06-03&format=text, https://rbcce.aemet.es/eubrewnet/data/get/UNCL1_V2?brewerid=163&date=2019-06-03&format=text
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: O3L1 fields plus uncertainty-specific fields:
  1. combined: total combined uncertainty in DU
  2. systematic: systematic component of the uncertainty in DU
  3. random: random component of the uncertainty in DU
  4. unc_flag: flag describing wether default or Brewer-specific configuration parameters have been used, see this table.

• Functions: UNCL1_5 and UNCL1_5_V2
• Description: Level 1.5 uncertainty product calculated from the level 1 uncertainty, standard and V2 ozone algorithms. Note measurements with more 25 units in the individual (not summaries) values of the combined, systematic and/or random uncertainties are not included in the output, use process with rejected to get these data.
• Examples: https://rbcce.aemet.es/eubrewnet/data/get/UNCL1_5?brewerid=163&date=2019-06-03&format=text, https://rbcce.aemet.es/eubrewnet/data/get/UNCL1_5_V2?brewerid=163&date=2019-06-03&format=text
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: O3L1_5 fields plus uncertainty-specific fields:
  1. combined: total combined uncertainty in DU
  2. systematic: systematic component of the uncertainty in DU
  3. random: random component of the uncertainty in DU
  4. unc_flag: flag describing wether default or Brewer-specific configuration parameters have been used (flag values up to 2048), and if L1.5 corrections are included (flag values starting at 4096), see this table.

• Functions: UNCL1byStation, UNCL1_5byStation, UNCL1_V2byStation, and UNCL1_5_V2byStation
• Description: These functions provide the same output as the UNCL1 and UNCL1_V2, and UNCL1_5 and UNCL1_5_V2 described above, but for the requested station. As of September 2020, the station products will output the data of the first Brewer defined for a station, or, if not available, that of the second. If data of the second Brewer is also not available, data of the third Brewer will be used, and so on.
• Example: http://eubrewnet.aemet.es/eubrewnet/data/get/UNCL1_5byStation?gaw_id=IZO&date=2020-04-05&enddate=2020-04-06&format=text
• Input:
  1. gaw_id or woudc_id: GAW or WOUDC ID of the station
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. means: see means
• Output: same as UNCL1 and UNCL1_V2, and UNCL1_5 and UNCL1_5_V2

The main output of the PROCESS functions is the same as their GET equivalents, but here the calculation is done in real time, usually starting from the previous level. This makes the PROCESS functions much slower, so we recommend using the GET equivalents when available.

• Function: O3L1
• Description: Process Ozone calculated using standard Algorithm and Direct Sun Measures. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. DS Summaries: temperature
  2. B file: latitude, longitude, pressure
  3. Daily index of the Summary they belong
  4. Standard Deviation for Ozone and SO2
  5. Config Identification number and date
  6. Date and Time when they where processed
  7. Date in Continuous Index (see Matlab Datenum Ref)

In Products Description Ozone Level 1 there is a table with a summary of this function's output

• Function: O3L1_5
• Description: Process Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. debug: change the ouput to see the corrections that are being applied. (True)
  6. rejected: returns the filtered data, too (True)
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. Filter flag
  2. Correction flag
  3. r5, r6 and their references
• Outputs in case that the debug input is set, the output will contain:
  1. date index, solar zenith angle, airmass, temperature, filter
  2. o3, o3 sl correction, o3 etc correction by slit, o3 straylight correction,
  3. r6, r6 of reference, filter flag, correction flag

In Products Description Ozone Level 1.5 there is a table with a summary of this function's output

• Function: O3L2_0
• Description: Process Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions. The Level 2.0 is available only for validated Configurations.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
  5. debug: change the ouput to see the corrections that are being applied. (True)
  6. rejected: returns the filtered data, too (True)
• Outputs: Ozone calculated from the DS raw counts using standard algorithm from Brewer Python Library. Measurements have been enhanced with info from:
  1. Filter flag
  2. Correction flag
  3. r5, r6 and their references
• Outputs in case that the debug input is set, the output will contain:
  1. date index, solar zenith angle, airmass, temperature, filter
  2. o3, o3 sl correction, o3 etc correction by slit, o3 straylight correction,
  3. r6, r6 of reference, filter flag, correction flag

In Products Description Ozone Level 2.0 there is a table with summary of this function's output

• Functions: UNCL1 and UNCL1_V2
• Description: Level 1 uncertainty product for the standard and V2 ozone algorithms.
• Examples: https://rbcce.aemet.es/eubrewnet/data/process/UNCL1?brewerid=163&date=2019-06-03&format=text, https://rbcce.aemet.es/eubrewnet/data/process/UNCL1_V2?brewerid=163&date=2019-06-03&format=text
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: O3L1 fields plus uncertainty-specific fields:
  1. combined: total combined uncertainty in DU
  2. systematic: systematic component of the uncertainty in DU
  3. random: random component of the uncertainty in DU
  4. unc_flag: flag describing wether default or Brewer-specific configuration parameters have been used, see this table.
  5. u_dt_f0, u_dt_f1, u_dt_f2, u_dt_f3, u_dt_f4, u_dt_f5 : Uncertainty of the Dead Time Corrected Operational-Wavelength counts per second for slits 0, 1, 2, 3, 4, and 5 (does not include the Rayleigh correction)
  6. u_temp_r6: Uncertainty of the Temperature Corrected Operational counts per second for R6 (does not include the Rayleigh correction) in R6 units
  7. u_a1_xsec_v1 (u_a1_xsec_v2): Uncertainty of the absorption cross section component in (atm-cm)^-1 units
  8. u_a1_grad_v1 (u_a1_grad_v2): Uncertainty of the effective temperature gradient component in (atm-cm)^-1 units
  9. u_a1_step_v1 (u_a1_step_v2): Uncertainty of the wavelength gradient component in (atm-cm)^-1 units
  10. u_a1_v1 (u_a1_v2): Uncertainty of the ozone absorption coefficient in (atm-cm)^-1 units
  11. airmass_rayleigh_uncertainty: Uncertainty of the Rayleigh Airmass
  12. airmass_uncertainty (airmass_uncertainty_v2): Uncertainty of the Ozone Airmass
  13. zenith_angle_uncertainty: Uncertainty of the Solar Zenith Angle in degrees
  14. u_ms9_v1 (u_ms9_v2): Second double ratio uncertainty in R6 units
  15. u_b (u_b_v2): Uncertainty of the weighted Rayleigh scattering coefficients in cm^-1

• Functions: UNCL1_5 and UNCL1_5_V2
• Description: Level 1.5 uncertainty product calculated from the level 1 uncertainty, standard and V2 ozone algorithms.
• Examples: https://rbcce.aemet.es/eubrewnet/data/process/UNCL1_5?brewerid=163&date=2019-06-03&format=text, https://rbcce.aemet.es/eubrewnet/data/process/UNCL1_5_V2?brewerid=163&date=2019-06-03&format=text
• Input:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Output: O3L1_5 fields plus uncertainty-specific fields:
  1. combined: total combined uncertainty in DU
  2. systematic: systematic component of the uncertainty in DU
  3. random: random component of the uncertainty in DU
  4. unc_flag: flag describing wether default or Brewer-specific configuration parameters have been used (flag values up to 2048), and if L1.5 corrections are included (flag values starting at 4096), see this table.
• Debug output: when called with the debug input argument, the output additionally contains the following variables:
  1. etco3rate: ETC in R6 units
  2. o3o3rate: ozone absorption coefficient (A1) in (atm-cm)^-1
  3. ms9: second double ratio in R6 units
  4. c_etc: ETC sensitivity component of the combined uncertainty in DU
  5. c_meas: Measurement sensitivity component of the combined uncertainty in DU
  6. c_b: Rayleigh coefficient sensitivity component of the combined uncertainty in DU
  7. c_pressure: Pressure sensitivity component of the combined uncertainty in DU
  8. c_rayleigh_airmass: Rayleigh airmass sensitivity component of the combined uncertainty in DU
  9. c_a1: Ozone Absorption coefficient sensitivity component of the combined uncertainty in DU
  10. c_airmass: Ozone airmass sensitivity component of the combined uncertainty in DU
  11. u_ms9: Uncertainty of the MS9 double-ratio (corrected by Rayleigh scattering) in R6 units
  12. u_a1: Uncertainty of the ozone absorption coefficient in (atm-cm)^-1
  13. airmass_uncertainty: Uncertainty of the Ozone Airmass
  14. u_sl_corr: Uncertainty of the correction associated to the Standard Lamp in DU
  15. u_etc_corr: Uncertainty of the correction associated to the Filter Non-Linearity in DU
  16. u_st_corr: Uncertainty of the correction associated to the Stray Light in DU
  17. e_etco3rate_v1 (e_etco3rate_v2): ETC error from the Brewer configuration in R6 units
• Rejected output: by default, measurements with more 25 units in the individual (not summaries) values of the combined, systematic and/or random uncertainties are not included in the output. You can get these measurements passing the &rejected option in the url.

The following table describes the values of the unc_flag field found in the UNCL1 and UNCL1_V2 and UNCL1_5 and UNCL1_5_V2 functions

The following table describes the values of the filter_flag field found in the UNCL1_5 and UNCL1_5_V2 functions. Note the values below 1024 correspond to the standard ozone ''filter_flag''

These functions use the PROCESS functions to update Eubrewnet's database, so that the data is available to the GET functions. This process is automatically done when a configuration is updated, so users do not need to directly access these functions.

• Function: O3L1
• Description: Process and Updates Ozone calculated using standard Algorithm and Direct Sun Measures. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions. Only the providers of the RAW data can update the processed data. After updating, the product will be accesible using Get function.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Outputs: The time to process and update the product

• Function: O3L1_5
• Description: Process and Updates Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions. Only the providers of the RAW data can update the processed data. After updating, the product will be accesible using Get function.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Outputs: The time to process and update the product

• Function: O3L2_0
• Description: Process and Updates Ozone calculated using standard Algorithm and Direct Sun Measures. The Standard Lamp corrections, ETC by filter and Straylight corrections. The measures are filtered by standard deviation, max airmass, correct mercury test, maximun and mininum values. The Operators have to upload configurations for calculation. See Ozone Level Definition and Configuration Upload Instructions. Only the providers of the RAW data can update the processed data. After updating, the product will be accesible using Get function. The Level 2.0 is available only for validated Configurations.
• Inputs:
  1. brewerid: see Brewerid in common inputs
  2. date: see Date in common inputs
  3. enddate: see Enddate in common inputs
  4. format: see Format
• Outputs: The time to process and update the product

Data with a non-zero filter_flag value will not be included in the O3L1_5 and AODL1_5 output unless &rejected is added included in the URL. For example, the output of

https://eubrewnet.aemet.es/eubrewnet/data/process/O3L1_5?brewerid=185&date=2018-11-01&enddate=2018-11-02&format=text&fields=gmt,filter_flag

only shows data with filter_flag equal to zero, whereas

https://eubrewnet.aemet.es/eubrewnet/data/process/O3L1_5?brewerid=185&date=2018-11-01&enddate=2018-11-02&rejected&format=text&fields=gmt,filter_flag

includes observations with filter_flag values of 1, 2, 3, 6…, which will would have been hidden were it not for the &reject included in the URL

The filter_flag values correspond to the following conditions and variables:

You can also omit any of these data filters adding allowfilter=xxx[,yyy] to the URL, where xxx is one of the Flag names in the above table. Note you can pass more than one Flag name, separating them by commas. Capitalization is not taken into account.

Thus for example, if the last URL is changed to

https://eubrewnet.aemet.es/eubrewnet/data/process/O3L1_5?brewerid=185&date=2018-11-01&enddate=2018-11-02&rejected=True&format=text&fields=gmt,filter_flag&allowfilter=FLAG_OZONE_STD_FILT,flag_hg_filt

both the FLAG_OZONE_STD_FILT and FLAG_HG_FILT data filters will be ignored and all the data will have a filter_flag value of 0.

• Function: last_measurement
• Example: http://rbcce.aemet.es/eubrewnet/stats/last_measurement?gaw_id=izo
• Description: by returning the type and time of the most recent command run at the Brewer on the present day, and the value of the most recent Direct Sun summary, this function provides a quick way to check the status of a Brewer connected to EUBREWNET's database
• Input: brewerid or gaw_id, to return the data of a specific Brewer or of all the Brewers present at a station, respectively
• Output: one line for each Brewer, with three fields separated by commas:
  1. brewerid,
  2. last command@time when the last command was run,
  3. dss:ozone value@time of the Direct Sun summary
• Output example:

157, hk@14:49:54, dss:289.1@14:46:22
183, co@14:40:40, dss:286.8@12:06:03
185, co@14:24:57, dss:283.9@10:45:09
257, hk@14:50:02, dss:289.1@14:48:14
258, hk@14:48:17, dss:283.3@14:42:50