TORCH2: Atmospheric Chemistry Measurements from Weybourne Observatory
Updated 15d ago
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Description
April-May 2004 measurements from the TORCH2 campaign at the Weybourne Atmospheric Observatory in Norfolk, UK. This dataset contains detailed observations of atmospheric composition, including ozone, nitrogen oxides, hydrocarbons, oxygenated volatile organic compounds, peroxides, organic nitrates, radical species, photolysis frequencies, and aerosol properties. The data were collected to study polluted boundary layer air and support the development of air quality policy tools.
Use Cases
Modeling the formation and transport of ozone and secondary organic aerosols based on precursor hydrocarbon and radical measurements.
Analyzing the chemical budget of hydroxyl (OH) and peroxy (RO2/HO2) radicals in a polluted coastal environment.
Studying the relationship between local meteorology, back trajectories, and observed pollutant concentrations.
Validating atmospheric chemistry mechanisms in regional-scale air quality models using speciated organic compound data.
Strengths
Provides a detailed, multi-parameter atmospheric chemistry dataset from a focused, two-month field campaign (April-May 2004).
Includes measurements of key reactive species and radicals (e.g., OH, HO2, RO2) that are challenging to observe.
Data collection was part of a formal 5-year NERC thematic research programme, suggesting structured scientific objectives.
Limitations
Key metadata such as row count, file size, specific column names, license, and author are unavailable across all sources.
The temporal coverage is limited to a specific two-month period in 2004, which may not be representative of other seasons or years.
The dataset's structure and accessibility details are not described.
Provenance
Source
Centre for Environmental Data Analysis (CEDA), collected under the NERC Polluted Troposphere Programme.
Collection Method
Ground-based atmospheric measurements using instruments from the Universities Facility for Atmospheric Measurement (UFAM).
Time Range
April to May 2004
Freshness
Last updated metadata on 2026-07-08, though the underlying data is from 2004.
Geography
Weybourne Atmospheric Observatory, north Norfolk coast, United Kingdom.
The dataset appears to combine measurements from the core TORCH2 campaign and a related NERC project on 'Advanced GC-MS technology for observing OVOCs and NMHCs'. Specific licensing terms are not provided.