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Deriving Emissions related to Climate Change Network: CO2, CH4, N2O, and SF6 measurements from Ridge Hill Tall Tower, Herefordshire

Status: Ongoing
Online Status: ONLINE
Publication State: Published
Publication Date: 2019-09-04
Download Stats: last 12 months


High frequency measurements of carbon monoxide, methane, nitrous oxide, sulfur hexafluoride and a suite of halocarbons and other trace gas species made at Ridge Hill Tall Tower, Herefordshire were made for the UK-DECC (Deriving Emissions related to Climate Change) Network.

Ridge Hill (RGL) is a rural UK site located 13 km south-east of Hereford (population ~55,000), and 30 km south-west of Worcester (population ~94,000), in Herefordshire, UK. This station is
part of the UK DECC (Deriving Emissions related to Climate Change) Network. Air samples are taken from a line sampling 90 meters up a tall tower. Due to the sites location, far from strong sources of local pollution, measurements from this site will be used to calculate emission maps of trace gas species in the UK in combination with other measurement stations in the UK (Bilsdale, Tacolneston and Heathfield) and Ireland (Mace Head).

This work was funded by Business Energy and Industrial Strategy (BEIS).

Citable as:  O'Doherty, S.; Say, D.; Stanley, K. (2019): Deriving Emissions related to Climate Change Network: CO2, CH4, N2O, and SF6 measurements from Ridge Hill Tall Tower, Herefordshire. Centre for Environmental Data Analysis, date of citation.
Abbreviation: Not defined
Keywords: UK-DECC, Ridge Hill, trace gases


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Previously used record identifiers:
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Access rules:
Public data: access to these data is available to both registered and non-registered users.
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 High-frequency measurements of all major greenhouse gases in NetCDF
  • standard_name: mole_fraction_of_carbon_dioxide_in_air
  • units: 1e-6
  • var_id: co2
  • long_name: mole_fraction_of_carbon_dioxide_in_air
  • names: mole_fraction_of_carbon_dioxide_in_air, mole fraction of carbon dioxide in air
  • long_name: mole_fraction_of_carbon_dioxide_in_air_number_of_observations
  • var_id: co2_number_of_observations
  • names: mole_fraction_of_carbon_dioxide_in_air_number_of_observations
  • units: 1e-6
  • long_name: mole_fraction_of_carbon_dioxide_in_air_variability
  • var_id: co2_variability
  • names: mole_fraction_of_carbon_dioxide_in_air_variability
  • units: 1e-9
  • standard_name: mole_fraction_of_methane_in_air
  • var_id: ch4
  • long_name: mole_fraction_of_methane_in_air
  • names: mole_fraction_of_methane_in_air, mole fraction of methane in air
  • long_name: mole_fraction_of_methane_in_air_number_of_observations
  • var_id: ch4_number_of_observations
  • names: mole_fraction_of_methane_in_air_number_of_observations
  • units: 1e-9
  • long_name: mole_fraction_of_methane_in_air_variability
  • var_id: ch4_variability
  • names: mole_fraction_of_methane_in_air_variability
  • units: 1e-9
  • standard_name: mole_fraction_of_nitrous_oxide_in_air
  • var_id: n2o
  • long_name: mole_fraction_of_nitrous_oxide_in_air
  • names: mole_fraction_of_nitrous_oxide_in_air, mole fraction of nitrous oxide in air
  • var_id: n2o_integration_flag
  • long_name: mole_fraction_of_nitrous_oxide_in_air_integration_flag
  • names: mole_fraction_of_nitrous_oxide_in_air_integration_flag
  • units: 1e-9
  • long_name: mole_fraction_of_nitrous_oxide_in_air_repeatability
  • var_id: n2o_repeatability
  • names: mole_fraction_of_nitrous_oxide_in_air_repeatability
  • var_id: n2o_status_flag
  • long_name: mole_fraction_of_nitrous_oxide_in_air_status_flag
  • names: mole_fraction_of_nitrous_oxide_in_air_status_flag
  • units: 1e-12
  • standard_name: mole_fraction_of_sulfur_hexafluoride_in_air
  • long_name: mole_fraction_of_sulfur_hexafluoride_in_air
  • var_id: sf6
  • names: mole_fraction_of_sulfur_hexafluoride_in_air, mole fraction of sulfur hexafluoride in air
  • long_name: mole_fraction_of_sulfur_hexafluoride_in_air_integration_flag
  • var_id: sf6_integration_flag
  • names: mole_fraction_of_sulfur_hexafluoride_in_air_integration_flag
  • units: 1e-12
  • long_name: mole_fraction_of_sulfur_hexafluoride_in_air_repeatability
  • var_id: sf6_repeatability
  • names: mole_fraction_of_sulfur_hexafluoride_in_air_repeatability
  • long_name: mole_fraction_of_sulfur_hexafluoride_in_air_status_flag
  • var_id: sf6_status_flag
  • names: mole_fraction_of_sulfur_hexafluoride_in_air_status_flag

Co-ordinate Variables

  • standard_name: time
  • var_id: time
  • names: time
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