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GAUGE: Carbon Dioxide measurements taken from Mace Head Tower

Update Frequency: Not Planned
Latest Data Update: 2019-03-21
Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2019-05-09
Download Stats: last 12 months
Dataset Size: 1 Files | 14KB


This dataset contains measurements of enrichment of 14C in carbon dioxide in air taken from the sampling tower at Mace Head Observatory. The samples were taken at 185m and analysed by Aerosol Mass Spectrometer (AMS) at Keck-Carbon Cycle AMS facility, University of California, Irvine.

This data was collected as part of the NERC GAUGE (Greenhouse gAs UK and Global Emissions) project (NE/K002449/1NERC and TRN1028/06/2015). The GAUGE project aimed to produce robust estimates of the UK Greenhouse Gas budget, using new and existing measurement networks and modelling activities at a range of scales. It aimed to integrate inter-calibrated information from ground-based, airborne, ferry-borne, balloon-borne, and space-borne sensors, including new sensor technology.

Citable as:  Pugsley, K.; O'Doherty, S.; Wenger, A. (2019): GAUGE: Carbon Dioxide measurements taken from Mace Head Tower. Centre for Environmental Data Analysis, date of citation.
Abbreviation: Not defined
Keywords: GAUGE, CO2, Tower, Carbon Dioxide


Previous Info:
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Previously used record identifiers:
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Access rules:
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Use of these data is covered by the following licence: When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data were collected by the University of Bristol and deposited at the Centre for Environmental Data Analysis (CEDA) for archiving.

Data Quality:
Data are as given by the data provider, no quality control has been performed by the Centre for Environmental Data Analysis (CEDA)
File Format:

Process overview

This dataset was generated by instruments deployed on platforms as listed below.
Output Description


  • units: 1
  • long_name: co2c14_repeatability
  • var_id: co2c14_repeatability
  • names: co2c14_repeatability
  • units: 1e-3
  • long_name: enrichment_of_14C_in_carbon_dioxide_in_air_expressed_as_uppercase_delta_14C, calibration scale NBS Oxalic Acid I
  • standard_name: enrichment_of_14C_in_carbon_dioxide_in_air_expressed_as_uppercase_delta_14C
  • var_id: co2c14
  • names: enrichment_of_14C_in_carbon_dioxide_in_air_expressed_as_uppercase_delta_14C, enrichment_of_14C_in_carbon_dioxide_in_air_expressed_as_uppercase_delta_14C, calibration scale NBS Oxalic Acid I
  • units: m
  • standard_name: altitude
  • var_id: altitude
  • long_name: height above mean sea level
  • names: altitude, height above mean sea level

Co-ordinate Variables

  • units: degrees_north
  • standard_name: latitude
  • var_id: latitude
  • long_name: latitude
  • names: latitude
  • units: degrees_east
  • standard_name: longitude
  • var_id: longitude
  • long_name: longitude
  • names: longitude
  • long_name: time
  • standard_name: time
  • var_id: time
  • names: time
Temporal Range
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Geographic Extent