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Dataset

 
Update Frequency: Monthly
Latest Data Update: 2023-06-12
Status: Ongoing
Online Status: ONLINE
Publication State: Published
Publication Date: 2006-07-27
Download Stats: last 12 months
Dataset Size: 78 Files | 3GB
Abstract

The global radiation observation data contain hourly and daily radiation amounts, including those no longer being reported. The measurements of global solar irradiation amount, diffuse solar irradiation amount, direct irradiation amount, irradiation balance amount, and global horizontal illumination are recorded by observation stations worldwide and transmitted within SYNOP, HCM, AWSHRLY, MODLERAD, ESAWRADT and DRADR35 messages. The data span from 1947 to present.

Citable as:  Met Office (2006): MIDAS: Global Radiation Observations. NCAS British Atmospheric Data Centre, date of citation. https://catalogue.ceda.ac.uk/uuid/b4c028814a666a651f52f2b37a97c7c7
Abbreviation: Not defined
Keywords: Met Office, MIDAS, global, radiation, irradiation, SYNOP

Details

Previous Info:

2017-04-12 Night time radiation values have been found to be suspect. Users are advised not to make use of these values. 2017-04-12 Night time radiation values have been found to be suspect. Users are advised not to make use of these values.

Previously used record identifiers:
http://badc.nerc.ac.uk/view/badc.nerc.ac.uk__ATOM__ACTIVITY_3d19f438-d7c6-11e1-9988-00163e251233
Access rules:
Restricted data: please submit an application using the REQUEST ACCESS link for access.
Use of these data is covered by the following licence: http://licences.ceda.ac.uk/image/data_access_condition/ukmo_agreement.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data collated by the Met Office and archived in the Met Office's MIDAS database. Data are extracted from a sub-set of available tables and delivered to BADC approximately on a monthly basis as flat files.
Data Quality:
Data undergo quality checking by the Met Office. State of the data in the quality control process and level of data quality are indicated using version numbers and quality control flagging with the data. See documentation about how to use the quality control flagging and version numbers. There are also some known data from commissioning trials in the data, which are given a src_id of 99999. These should be ignored by the user.
File Format:
Data are ASCII formatted

Related Documents

 MIDAS User Guide version v20200921
 Link to column headings in comma separated text file
 Link to column headings in Excel file
 Information on versioning in MIDAS data
 Global Radiation (RO) Table details
  Met Office MIDAS Quick User Guide
  • units: s
  • long_name: Date at end of observation period
  • names: Date at end of observation period
  • long_name: Diffuse solar irradiation amount
  • units: KJ/m2
  • names: Diffuse solar irradiation amount
  • long_name: Direct solar irradiation amount
  • units: KJ/m2
  • names: Direct solar irradiation amount
  • units: minutes
  • long_name: Elapsed time to storage in MIDAS
  • names: Elapsed time to storage in MIDAS
  • long_name: Global horizontal illumination
  • units: KJ/m2
  • names: Global horizontal illumination
  • long_name: Global solar irradiation amount
  • units: KJ/m2
  • names: Global solar irradiation amount
  • long_name: Irradiation balance amount
  • units: KJ/m2
  • names: Irradiation balance amount
  • long_name: Mean global S latitude radiation
  • units: KJ/m2
  • names: Mean global S latitude radiation
  • units: s
  • long_name: Met Office receipt stamp time
  • names: Met Office receipt stamp time
  • units: hours
  • long_name: Observation hour count
  • names: Observation hour count
  • units: 1
  • long_name: QC code: Diffuse solar irradiation amount
  • names: QC code: Diffuse solar irradiation amount
  • units: 1
  • long_name: QC code: Direct solar irradiation amount
  • names: QC code: Direct solar irradiation amount
  • units: 1
  • long_name: QC code: Global horizontal illumination
  • names: QC code: Global horizontal illumination
  • units: 1
  • long_name: QC code: Global solar irradiation amount
  • names: QC code: Global solar irradiation amount
  • units: 1
  • long_name: QC code: Irradiation balance amount
  • names: QC code: Irradiation balance amount
  • units: 1
  • long_name: QC code: Mean global S latitude radiation
  • names: QC code: Mean global S latitude radiation
  • long_name: Solar Irradiance
  • gcmd_url: http://vocab.ndg.nerc.ac.uk/term/P141/4/GVAR0809
  • gcmd_keyword: Solar Irradiance
  • names: http://vocab.ndg.nerc.ac.uk/term/P141/4/GVAR0809, Solar Irradiance
  • long_name: Sunshine
  • gcmd_url: http://vocab.ndg.nerc.ac.uk/term/P041/4/G217
  • gcmd_keyword: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Sunshine
  • names: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Sunshine, http://vocab.ndg.nerc.ac.uk/term/P041/4/G217
  • units: 1
  • long_name: The identifier type associated with a particular reporting capability for this station
  • names: The identifier type associated with a particular reporting capability for this station
  • units: 1
  • long_name: identifier type
  • names: identifier type
  • units: 1
  • long_name: message type
  • names: message type
  • units: 1
  • long_name: midas qc version number
  • names: midas qc version number
  • units: 1
  • long_name: state indicator for the record
  • names: state indicator for the record
  • units: 1
  • long_name: station identifier
  • names: station identifier
  • units: 1
  • long_name: unique source identifier or station site number
  • names: unique source identifier or station site number

Co-ordinate Variables

Coverage
Temporal Range
Start time:
1947-01-01T00:00:00
End time:
Ongoing
Geographic Extent

 
90.0000°
  
-180.0000°
  
180.0000°
 
-90.0000°
  
Related parties
Authors (1)
Publishers (1)
Funders (1)
Principal Investigators (1)