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529 records found
  • Federal

    Canadian Ozonesonde Network

    The Canadian Ozonesonde Network measures vertical profiles of ozone from ground level up to 36 km altitude across Canada. The objectives of the network are to provide long-term stratospheric and tropospheric ozone data for periodic assessment of the state of the ozone layer, to validate satellite...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Non-Methane Hydrocarbons (NMHC)

    The Non-Methane Hydrocarbons (NMHC) Measurements Study was a continuous measurement program carried out at the Centre for Atmospheric Research Experiments (CARE) at Egbert, ON. Approximately 30 C2 to C8 hydrocarbons (in gaseous form) were collected and analyzed every three hours by an automated,...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Monitoring of Atmospheric Gases

    Trace gas data sets measured by Canadian and U.S. ground-based monitoring networks from 1982 to the present including non-methane hydrocarbons (NMHC), ozone (O3) and total gaseous mercury (TGM). Included are Canadian federal and provincial networks (past and present) and U.S. historical networks...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Alert, Nunavut - Ground Level Ozone Study

    Ground level ozone (GLO3) was measured at the Alert, Nunavut research station (82º28’N, 62º30’W) from 31 December 1991 to 31 December 2003. These measurements were conducted to: 1. determine a long term trend in background ozone, and 2. to understand the annual appearance of surface level ozone...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Speciated Mercury Monitoring

    Ambient concentrations of speciated mercury (Hg) have been measured at many locations across Canada. Mercury in the atmosphere is measured in three operationally-defined forms - gaseous elemental mercury (GEM), reactive gaseous mercury (RGM), and particulate-bound mercury (PBM). Under most...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
    • CSV
  • Federal

    Egbert, Ontario - Non-Methane Hydrocarbons (NMHC) Study

    The Continuous Non-Methane Hydrocarbon (NMHC) Measurements Study was a measurement program carried out at the Centre for Atmospheric Research Experiments (CARE) at Egbert, ON. Approximately 30 C2 to C8 hydrocarbons were collected and analyzed every three hours by an automated, in-situ gas...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Canadian Brewer Spectrophotometer Network (CBSN)

    The Canadian Brewer Spectrophotometer Network (CBSN) monitors the total thickness of the ozone layer (known as total column ozone) and ultraviolet (UV) radiation at selected monitoring locations across Canada. The objectives of the network are to provide long-term stratospheric ozone data for...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Ground-Level Ozone

    Ground level ozone measurements, sometimes referred to as in situ measurements are those measurements that occur close to the ground, i.e. within the boundary layer which is approximately 1 kilometre in height. Ongoing network measurements from the Canadian Air and Precipitation Monitoring...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Stratospheric Ozone and Ultraviolet (UV) Radiation

    On-going monitoring of the total column ozone and spectral ultraviolet radiation (UV) in Canada is carried out by the Canadian Brewer Spectrophotometer Network (CBSN). The data are used for periodic assessment of the state of the ozone layer, satellite data validation, and in forecasting ECCC’s...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
  • Federal

    Mount Sutton, Quebec - Ground Level Ozone Study

    Ground level ozone and meteorological parameters were measured at the Mount Sutton research site from October 1986-June 2008. The main objectives of these measurements were: to characterize high elevation (845 m.a.s.l.) ozone levels in this rural region; and 2. to determine long term ozone...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
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