Lake water quality state 2013–2017 raw data

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Document ID21926
File namelake-water-quality-state-20132017-raw-data.csv
TypeCSV
Size174 KB

Lake water quality trends data quality

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Document ID21927
File namelake-water-quality-trends-data-quality.pdf
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Lake water quality trends data quality

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Document ID21934
File namelake-water-quality-trends-data-quality.pdf
TypePDF
Size517 KB

Nitrate leaching data quality

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Document ID21935
File namenitrate-leaching-data-quality.pdf
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Nitrate leaching from livestock 2017 data quality

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Document ID21962
File namenitrate-leaching-from-livestock-2017-data-quality.pdf
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Nitrate leaching from livestock time series 1990–2017 data quality

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Document ID21936
File namenitrate-leaching-from-livestock-time-series-19902017-data-quality.pdf
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Nitrate leaching from livestock time series 1990–2017 raw data

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Document ID21937
File namenitrate-leaching-from-livestock-time-series-19902017-raw-data.csv
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Size53.4 KB

Nitrogen leaching trend statistics xlsx

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07 Oct 2015

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File namenitrogen-leaching-trend-statistics-xlsx.xlsx
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raw_data_for trends_NGMP

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19 Oct 2015

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Raw data, and state and trend calculations for key groundwater quality indicators, including nitrate-nitrogen, ammoniacal-nitrogen, dissolved reactive phosphorus, dissolved iron, dissolved manganese, total dissolved solids content, and electrical conductivity.

Statistics reported on include:
- median and median absolute deviation
- percentiles
- trend magnitudes
- statistical test p-values (from the Mann-Kendall trend test, Kruskal-Wallis test for seasonality, and sign-tests and Wilcoxon rank-sum tests for distribution differences).

The following report and spreadsheets relate to the "Ground water quality" measures on the Environmental Indicators, Te taiao Aotearoa website:
- Moreau M, Daughney C, 2015. Update of National Groundwater Quality Indicators: State and Trends December 2004-2013, GNS Science Consultancy Report 2015/16. 38 p.
- Spreadsheet2_NGMP_results
- Spreadsheet1_NGMP_metadata
- raw_data_for trends_NGMP.

Document ID11708
File nameraw_data_for-trends_ngmp.csv
TypeCSV
Size2.37 MB

River water quality binomial trend direction statistics xlsx

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Creative Commons Attribution 3.0 New Zealand

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488
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07 Oct 2015

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Document ID11441
File nameriver-water-quality-binomial-trend-direction-statistics-xlsx.xlsx
TypeXLSX
Size12.2 KB
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