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All (4) ((4 results))

  • 1. Socioeconomic differences in nitrogen dioxide ambient air pollution exposure among children in the three largest Canadian cities Archived
    Articles and reports: 82-003-X201600714644
    Geography: Census metropolitan area
    Description: Children younger than age 18 enumerated in the 2006 Census who lived in Toronto, Montreal or Vancouver were linked to published air pollution exposure land use regression models to assign exposure at the Dissemination Area level. Associations between both socioeconomic and visible minority status and exposure to ambient nitrogen dioxide among children in these three cities were examined in a series of regression models.
    Release date: 2016-07-20
  • 2. Natural resource wealth statistics in the National Balance Sheet Accounts Archived
    Articles and reports: 13-605-X201500914239
    Description: This paper outlines the methodology being used to integrate the value of selected natural resource assets into the quarterly sectored national balance sheet accounts. It responds to recommendations in the revised United Nations System of National Accounts to include these values in the balance sheet. The addition of these asset values will significantly increase and improve measures of sectoral net worth.
    Release date: 2015-11-17
  • 3. Measuring renewable water assets in Canada: Initial results and research agenda Archived
    Articles and reports: 16-002-X200900210889
    Geography: Canada
    Description:

    Canada's renewable water resources are mostly the result of rain and melted snow that flow over the ground, eventually reaching our rivers and lakes. This article describes the results of a new methodology producing consistent national estimates of Canada's total annual average water yield from 1971 to 2000.

    Release date: 2009-06-18
  • 4. The Water Yield for Canada As a Thirty-year Average (1971 to 2000): Concepts, Methodology and Initial Results Archived
    Surveys and statistical programs – Documentation: 16-001-M2009007
    Description:

    In this paper, we present the methodology developed by Statistics Canada to calculate the average annual water yield for Canada. Water yield, for the purposes of this paper, is defined as the amount of freshwater derived from unregulated flow (m3 s-1) measurements for a given geographic area over a defined period of time. The methodology is applied to the 1971 to 2000 time period.

    This research was conducted to fill data gaps in Statistics Canada's water statistics program. These gaps exist because estimates of freshwater flow for Canada have not been calculated regularly and have been produced using a variety of methods that do not necessarily generate comparable results. The methodology developed in this study produced results that are coherent through space and time. These results will be used in the future to investigate changes in water yield on a more disaggregated basis.

    To achieve the water yield estimate a database of natural streamflow observations from 1971 to 2000 was compiled. The streamflow values were then converted to a runoff depth and interpolated using ordinary kriging to produce spatial estimates of runoff. The spatial estimates were then scaled to create a National estimate of water yield as a thirty-year average. The methodology and results were then validated using a stability analysis and several techniques involving uncertainty. The result of the methodology indicates that the thirty-year average water yield for Canada is 3435 km3.

    Release date: 2009-06-01
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Analysis (3)

Analysis (3) ((3 results))

  • 1. Socioeconomic differences in nitrogen dioxide ambient air pollution exposure among children in the three largest Canadian cities Archived
    Articles and reports: 82-003-X201600714644
    Geography: Census metropolitan area
    Description: Children younger than age 18 enumerated in the 2006 Census who lived in Toronto, Montreal or Vancouver were linked to published air pollution exposure land use regression models to assign exposure at the Dissemination Area level. Associations between both socioeconomic and visible minority status and exposure to ambient nitrogen dioxide among children in these three cities were examined in a series of regression models.
    Release date: 2016-07-20
  • 2. Natural resource wealth statistics in the National Balance Sheet Accounts Archived
    Articles and reports: 13-605-X201500914239
    Description: This paper outlines the methodology being used to integrate the value of selected natural resource assets into the quarterly sectored national balance sheet accounts. It responds to recommendations in the revised United Nations System of National Accounts to include these values in the balance sheet. The addition of these asset values will significantly increase and improve measures of sectoral net worth.
    Release date: 2015-11-17
  • 3. Measuring renewable water assets in Canada: Initial results and research agenda Archived
    Articles and reports: 16-002-X200900210889
    Geography: Canada
    Description:

    Canada's renewable water resources are mostly the result of rain and melted snow that flow over the ground, eventually reaching our rivers and lakes. This article describes the results of a new methodology producing consistent national estimates of Canada's total annual average water yield from 1971 to 2000.

    Release date: 2009-06-18
Reference (1)

Reference (1) ((1 result))

  • 1. The Water Yield for Canada As a Thirty-year Average (1971 to 2000): Concepts, Methodology and Initial Results Archived
    Surveys and statistical programs – Documentation: 16-001-M2009007
    Description:

    In this paper, we present the methodology developed by Statistics Canada to calculate the average annual water yield for Canada. Water yield, for the purposes of this paper, is defined as the amount of freshwater derived from unregulated flow (m3 s-1) measurements for a given geographic area over a defined period of time. The methodology is applied to the 1971 to 2000 time period.

    This research was conducted to fill data gaps in Statistics Canada's water statistics program. These gaps exist because estimates of freshwater flow for Canada have not been calculated regularly and have been produced using a variety of methods that do not necessarily generate comparable results. The methodology developed in this study produced results that are coherent through space and time. These results will be used in the future to investigate changes in water yield on a more disaggregated basis.

    To achieve the water yield estimate a database of natural streamflow observations from 1971 to 2000 was compiled. The streamflow values were then converted to a runoff depth and interpolated using ordinary kriging to produce spatial estimates of runoff. The spatial estimates were then scaled to create a National estimate of water yield as a thirty-year average. The methodology and results were then validated using a stability analysis and several techniques involving uncertainty. The result of the methodology indicates that the thirty-year average water yield for Canada is 3435 km3.

    Release date: 2009-06-01
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