Urban stream water quality - trends - 2008–15

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Creative Commons Attribution 3.0 New Zealand

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5838
29
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24 Apr 2017

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Urban water quality indicators include heavy metals, nutrients, and E.coli. The concentrations of these indicators are compared to the proportion of urban land cover in catchments.

Zinc and copper are heavy metals that can accumulate in sediments, shellfish, and other aquatic organisms. Metals can reach toxic levels in organisms making them unsafe to eat and can be toxic to aquatic life. Nitrogen and phosphorus are nutrients that can cause excessive algal growth. Ammonical nitrogen and nitrate-nitrogen can be toxic to aquatic life if concentrations in streams are high enough. E.coli is an indicator of disease-causing organisms, which may affect human health and recreational values in streams.

File contains trend analyses by site for water quality indicators in Auckland, Wellington, and Christchurch over the period 2008–15.

Table ID 53598
Data type Table
Row count 217
Services Web Feature Service (WFS), Catalog Service (CS-W), data.govt.nz Atom Feed

Analysis of Water Quality in New Zealand Lakes and Rivers

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Creative Commons Attribution 3.0 New Zealand

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10311
1558
Added
18 Oct 2015

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107
Document ID11698
File nameanalysis-of-water-quality-in-new-zealand-lakes-and-rivers.pdf
TypePDF
Size2.31 MB

River water quality binomial trend direction statistics xlsx

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Creative Commons Attribution 3.0 New Zealand

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738
135
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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

River water quality modelled state 2013–2017 data quality

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Creative Commons Attribution 4.0 International

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419
14
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16 Apr 2019

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3
Document ID21957
File nameriver-water-quality-modelled-state-20132017-data-quality.pdf
TypePDF
Size510 KB

RiverQ ecoli modelled mcdowell meet clean

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Creative Commons Attribution 4.0 International

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434
6
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16 Apr 2019

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Document ID21922
File nameriverq-ecoli-modelled-mcdowell-meet-clean.csv
TypeCSV
Size57.4 MB

WQ PredictionsDF REC2 29November 2018

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Creative Commons Attribution 4.0 International

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399
5
Added
15 Apr 2019

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Document ID21921
File namewq-predictionsdf-rec2-29november-2018.csv
TypeCSV
Size195 MB

River water quality modelled state 2013–2017 McDowell meets/doesn't meet

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Creative Commons Attribution 4.0 International

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440
15
Added
16 Apr 2019

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Document ID21923
File nameriver-water-quality-modelled-state-20132017-mcdowell-meetsdoesnt-meet.csv
TypeCSV
Size57.4 MB

River water quality modelled state dataservice data quality

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Creative Commons Attribution 4.0 International

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378
10
Added
14 May 2019

This item was first added to MfE Data Service on 14 May 2019

4
Document ID21986
File nameriver-water-quality-modelled-state-dataservice-data-quality.pdf
TypePDF
Size586 KB

River water quality modelled state 2013–2017 raw data

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Creative Commons Attribution 4.0 International

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322
13
Added
16 Apr 2019

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Document ID21924
File nameriver-water-quality-modelled-state-20132017-raw-data.csv
TypeCSV
Size195 MB
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