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All (14) (0 to 10 of 14 results)

  • Surveys and statistical programs – Documentation: 16-001-M2010014
    Description:

    Quantifying how Canada's water yield has changed over time is an important component of the water accounts maintained by Statistics Canada. This study evaluates the movement in the series of annual water yield estimates for Southern Canada from 1971 to 2004. We estimated the movement in the series using a trend-cycle approach and found that water yield for southern Canada has generally decreased over the period of observation.

    Release date: 2010-09-13

  • Surveys and statistical programs – Documentation: 16-001-M2009008
    Description:

    In 2008, Statistics Canada conducted the first Agricultural Water Use Survey. This pilot survey is part of the Canadian Environment Sustainability Indicators initiative and collects information on volumes of water used for irrigation, irrigated areas, irrigation practices and the quality of water used for agricultural purposes. This technical paper describes the methodology used for the pilot survey and includes recommendations for future cycles of the survey. The validation process seems to indicate that the method used to estimate the volumes of water used and the irrigated areas calculated underestimates the results. The report gives recommendations to minimize this bias in the next iterations of the survey. First, it is recommended to simplify the level of information collected by the survey; to review the sampling methodology; and to examine other means of collecting information on volumes of water used for irrigation. This pilot version of the survey remains a reliable source for consistent data on agricultural water use.

    Release date: 2009-06-26

  • 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

  • Surveys and statistical programs – Documentation: 16-001-M2007003
    Description:

    The objective of the present study is to understand and explain how the Canadian Council of Ministers of the Environment (CCME) Water Quality Index (WQI) behaves, and at the same time determine its limitations to make a better use of it in the future. In order to do so, four data sets were made available to us thanks to participation of the following provinces: Newfoundland, Ontario, British Columbia and Quebec.

    Release date: 2007-09-19

  • Surveys and statistical programs – Documentation: 16-505-G
    Description:

    Part of Statistics Canada's Econnections: linking the environment and the economy statistical series, this publication describes in detail the conceptual frameworks, data sources and empirical methods used to compile the Canadian System of Environmental and Resource Accounts (CSERA). Designed to be compatible with the accounting frameworks of the System of National Accounts, the CSERA allows users to easily analyze the linkages between economic activity and the environment in terms of material and energy flows, environmental expenditures and natural resource stocks. This publication will be of interest to researchers in both the economic and environmental fields who want to familiarize themselves with the accounting concepts of the CSERA. It is a companion volume to Environment-economy indicators and detailed statistics (catalogue no. 16-200-XKE), another product in the Econnections series.

    Release date: 2006-04-12

  • Surveys and statistical programs – Documentation: 96-328-M2004010
    Geography: Geographical region of Canada
    Description:

    This activity focuses on how water is used for irrigation, the benefits and risks associated with irrigation and the ways farmers manage their water use.

    Release date: 2004-08-30

  • Surveys and statistical programs – Documentation: 5114
    Description: Natural resource asset accounts are one of the main elements of the United Nations System of Environmental-Economic Accounting which was adopted as an international statistical standard in 2012. Natural resource asset accounts measure quantities of natural resource assets (oil, natural gas, minerals, and timber) and the annual changes in these assets due to natural processes and human activity. These accounts, which are recorded using both physical and monetary units, form the basis of the estimates of Canada's natural resource wealth that are integrated into the Canadian national balance sheet accounts.

  • Surveys and statistical programs – Documentation: 5120
    Description: This survey is being conducted to provide Canadians with national and regional indicators related to the use of water in industry.

  • Surveys and statistical programs – Documentation: 5128
    Description: The purpose of this survey is to obtain information on the quality of surface water in Canada on an annual basis. Data are obtained from water quality monitoring programs managed by Environment Canada, provincial departments, or under federal-provincial agreements. At present, the freshwater quality indicator is presented as a national histogram of three consecutive years worth of results of the water quality index, calculated at individual monitoring sites across the country. The histogram groups values into five categories: poor, marginal, fair, good and excellent.

  • Surveys and statistical programs – Documentation: 5149
    Description: The Survey of Drinking Water Plants is conducted to provide Canadians with national and regional information related to the production of drinking water.
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Reference (14)

Reference (14) (0 to 10 of 14 results)

  • Surveys and statistical programs – Documentation: 16-001-M2010014
    Description:

    Quantifying how Canada's water yield has changed over time is an important component of the water accounts maintained by Statistics Canada. This study evaluates the movement in the series of annual water yield estimates for Southern Canada from 1971 to 2004. We estimated the movement in the series using a trend-cycle approach and found that water yield for southern Canada has generally decreased over the period of observation.

    Release date: 2010-09-13

  • Surveys and statistical programs – Documentation: 16-001-M2009008
    Description:

    In 2008, Statistics Canada conducted the first Agricultural Water Use Survey. This pilot survey is part of the Canadian Environment Sustainability Indicators initiative and collects information on volumes of water used for irrigation, irrigated areas, irrigation practices and the quality of water used for agricultural purposes. This technical paper describes the methodology used for the pilot survey and includes recommendations for future cycles of the survey. The validation process seems to indicate that the method used to estimate the volumes of water used and the irrigated areas calculated underestimates the results. The report gives recommendations to minimize this bias in the next iterations of the survey. First, it is recommended to simplify the level of information collected by the survey; to review the sampling methodology; and to examine other means of collecting information on volumes of water used for irrigation. This pilot version of the survey remains a reliable source for consistent data on agricultural water use.

    Release date: 2009-06-26

  • 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

  • Surveys and statistical programs – Documentation: 16-001-M2007003
    Description:

    The objective of the present study is to understand and explain how the Canadian Council of Ministers of the Environment (CCME) Water Quality Index (WQI) behaves, and at the same time determine its limitations to make a better use of it in the future. In order to do so, four data sets were made available to us thanks to participation of the following provinces: Newfoundland, Ontario, British Columbia and Quebec.

    Release date: 2007-09-19

  • Surveys and statistical programs – Documentation: 16-505-G
    Description:

    Part of Statistics Canada's Econnections: linking the environment and the economy statistical series, this publication describes in detail the conceptual frameworks, data sources and empirical methods used to compile the Canadian System of Environmental and Resource Accounts (CSERA). Designed to be compatible with the accounting frameworks of the System of National Accounts, the CSERA allows users to easily analyze the linkages between economic activity and the environment in terms of material and energy flows, environmental expenditures and natural resource stocks. This publication will be of interest to researchers in both the economic and environmental fields who want to familiarize themselves with the accounting concepts of the CSERA. It is a companion volume to Environment-economy indicators and detailed statistics (catalogue no. 16-200-XKE), another product in the Econnections series.

    Release date: 2006-04-12

  • Surveys and statistical programs – Documentation: 96-328-M2004010
    Geography: Geographical region of Canada
    Description:

    This activity focuses on how water is used for irrigation, the benefits and risks associated with irrigation and the ways farmers manage their water use.

    Release date: 2004-08-30

  • Surveys and statistical programs – Documentation: 5114
    Description: Natural resource asset accounts are one of the main elements of the United Nations System of Environmental-Economic Accounting which was adopted as an international statistical standard in 2012. Natural resource asset accounts measure quantities of natural resource assets (oil, natural gas, minerals, and timber) and the annual changes in these assets due to natural processes and human activity. These accounts, which are recorded using both physical and monetary units, form the basis of the estimates of Canada's natural resource wealth that are integrated into the Canadian national balance sheet accounts.

  • Surveys and statistical programs – Documentation: 5120
    Description: This survey is being conducted to provide Canadians with national and regional indicators related to the use of water in industry.

  • Surveys and statistical programs – Documentation: 5128
    Description: The purpose of this survey is to obtain information on the quality of surface water in Canada on an annual basis. Data are obtained from water quality monitoring programs managed by Environment Canada, provincial departments, or under federal-provincial agreements. At present, the freshwater quality indicator is presented as a national histogram of three consecutive years worth of results of the water quality index, calculated at individual monitoring sites across the country. The histogram groups values into five categories: poor, marginal, fair, good and excellent.

  • Surveys and statistical programs – Documentation: 5149
    Description: The Survey of Drinking Water Plants is conducted to provide Canadians with national and regional information related to the production of drinking water.
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