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This dataset was first added to MfE Data Service on 27 Jun 2018.
Water quality for swimming categories for lakes with perimeters over 1.5 km. This dataset was used to compose the current state for water quality for swimming.
Note this data is under review and will be updated in due course. This information is based on modelled and measured data using the approach outlined at
www.mfe.govt.nz/fresh-water/freshwater-management-...
The modelling methods used are outlined in Snelder et al. (2016) Strategic assessment of New Zealand’s freshwaters for recreational use: a human health perspective. LWP Client Report 2016-011 www.mfe.govt.nz/publications/fresh-water/strategic...
Versions
This dataset is the geometric version of this: data.mfe.govt.nz/table/53620-river-water-quality-f...
This dataset has now been superseded due to consultation with local authorities, and this is the latest version: data.mfe.govt.nz/layer/95555-river-water-quality-f...
Column headings:
LID: FENZ Lake ID
Name: Name of lake (where available
RC: Regional council name
CHLA: Chlorophyll a (mg/L)
SECCHI: Secchi disc depth (m)
TLI3: Trophic Level Index (unitless)
TN: Total nitrogen (mg/m3)
TP: Total phosphorus (mg/m3)
CyanBVl: Cyanobacterial biovolume (mm3/L)
Cy_cat: Water quality for swimming category see www.mfe.govt.nz/fresh-water/what-government-doing/...
Note: blank cells are reaches where a prediction was not possible because of missing predictor variables.
Creative Commons Attribution 4.0 International
You may use this work for commercial purposes.
You must attribute the creator in your own works.
Information | |
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Category | Environmental Reporting > Freshwater |
Regions | New Zealand |
Technical Details | |
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Layer ID | 95561 |
Data type | Vector multipolygon | Feature count | 3801 |
Attributes | LID, Name, RC, CHLA, SECCHI, TLI3, TN, TP, CyanBVl, Cy_cat |
Services | Vector Query API, Web Feature Service (WFS), Catalog Service (CS-W) |
History | |
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Added | 27 Jun 2018 |
Revisions | 6 - Browse all revisions |
Current revision | Imported on June 27, 2018 from Shapefile in NZGD2000 / New Zealand Transverse Mercator 2000. |
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