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  • Ocean and coastal extreme waves (8m), 2010

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2010, particularly for wave events where significant wave height exceeds a threshold of 8 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (4m), 2010

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2010, particularly for wave events where significant wave height exceeds a threshold of 4 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (8m), 2009

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2009, particularly for wave events where significant wave height exceeds a threshold of 8 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (4m), 2009

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2009, particularly for wave events where significant wave height exceeds a threshold of 4 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (4m), 2011

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2011, particularly for wave events where significant wave height exceeds a threshold of 4 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (8m), 2011

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2011, particularly for wave events where significant wave height exceeds a threshold of 8 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (6m), 2010

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2010, particularly for wave events where significant wave height exceeds a threshold of 6 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (4m), 2012

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2012, particularly for wave events where significant wave height exceeds a threshold of 4 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Nitrate-nitrogen leaching from sheep livestock 2017

    Ministry for the Environment
    Raster layer with 100m * 100m pixels, Each pixel represents the estimated nitrate-N leached in kg/ha/yr. This layer contains all nitrate leaching estimated from sheep. More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (6m), 2009

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2009, particularly for wave events where significant wave height exceeds a threshold of 6 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (8m), 2012

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2012, particularly for wave events where significant wave height exceeds a threshold of 8 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. More...
    Created 2 February 2020 Updated 3 March 2025
  • Average annual sunshine hours, 2014

    Ministry for the Environment
    Sunshine is essential for our mental and physical well-being and plant growth. It is also important for tourism and recreation. More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.
    Created 2 February 2020 Updated 3 March 2025
  • Nitrate-nitrogen leaching from deer livestock 2017

    Ministry for the Environment
    Raster layer with 100m * 100m pixels, Each pixel represents the estimated nitrate-N leached in kg/ha/yr. This layer contains all nitrate leaching estimated from deer. More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.
    Created 2 February 2020 Updated 3 March 2025
  • Seasonal rainfall, spring, 1981–2010

    Ministry for the Environment
    Rain is vital for life – it supplies the water we need to drink and to grow our food, keeps our ecosystems healthy, and supplies our electricity. New Zealand’s mountainous terrain and location in the roaring forties mean rainfall varies across the country. Changes in rainfall amount or timing can significantly affect agriculture, energy, recreation, and...
    Created 2 February 2020 Updated 3 March 2025
  • Seasonal rainfall, summer , 1981–2010

    Ministry for the Environment
    Rain is vital for life – it supplies the water we need to drink and to grow our food, keeps our ecosystems healthy, and supplies our electricity. New Zealand’s mountainous terrain and location in the roaring forties mean rainfall varies across the country. Changes in rainfall amount or timing can significantly affect agriculture, energy, recreation, and...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (6m), 2011

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2011, particularly for wave events where significant wave height exceeds a threshold of 6 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025
  • Seasonal rainfall, winter, 1981–2010

    Ministry for the Environment
    Rain is vital for life – it supplies the water we need to drink and to grow our food, keeps our ecosystems healthy, and supplies our electricity. New Zealand’s mountainous terrain and location in the roaring forties mean rainfall varies across the country. Changes in rainfall amount or timing can significantly affect agriculture, energy, recreation, and...
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (6m), 2008

    Ministry for the Environment
    More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf. This index was generated using NIWA’s operational wave forecasting model NZWAVE-12. More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in...
    Created 2 February 2020 Updated 3 March 2025
  • Percent of normal sunshine hours, 2014–16

    Ministry for the Environment
    Sunshine is essential for our mental and physical well-being and plant growth. It is also important for tourism and recreation. More information on this dataset and how it relates to our environmental reporting indicators and topics can be found in the attached data quality pdf.
    Created 2 February 2020 Updated 3 March 2025
  • Ocean and coastal extreme waves (8m), 2008

    Ministry for the Environment
    These data estimate the occurence of extreme wave events in coastal and oceanic waters for 2008, particularly for wave events where significant wave height exceeds a threshold of 8 metres and for a period of at least 12 hours. Significant wave height is defined as four times the square root of the variance of sea surface elevation due to wave motion. This...
    Created 2 February 2020 Updated 3 March 2025