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Factsheets
NEMS (National Environmental Monitoring Standards)
The National Environmental Monitoring Standards (NEMS) project aims to ensure consistency in the way environmental monitoring data is collected and handled throughout New Zealand.
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Groundwater
Monitoring groundwater in New Zealand
Why monitor groundwater? Groundwater changes over time. Groundwater levels rise and fall as the seasons change, and in response to heavy rainfall and groundwater use. Groundwater quality can also respond to changes in the seasons and to rainfall events, as well as to changes in land use. By monitor...
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Air Quality Topic
Monitoring air quality in New Zealand
Read this factsheet to find out more on air quality monitoring in New Zealand, including who monitors air quality, and the standards and guidelines that air pollutants are monitored against.
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N
National Environmental Monitoring Standards
A set of National Environmental Monitoring Standards (NEMS) have been developed to describe best practice for implementing continuous measurement of a range of environmental parameters, the appropriate quality coding of data, and relevant supporting information for the standard. Learn more about N...
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Air Quality Topic
How is air quality measured?
There are different instruments available for measuring levels of air pollutants. Regional councils and unitary authorities choose their instruments based on factors such as cost, ease of operation, reliability, accuracy and the smallest time scale of data needed, e.g., 10 mins or 24-hours. There...
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Factsheets
Can I Trust This Data?
Cawthron Institute have played a key role in LAWA by assessing how data is collected and analysed against best practice standards. How each site measures up to standards is explained in the Can I trust this data? link for the River Quality and Lake Quality topics.
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News And Stories
LAWA's 10th Anniversary: A Milestone in Public Access to NZ's Environmental Data
The Land, Air, Water Aotearoa (LAWA) project team is proudly celebrating its 10th anniversary of sharing environmental data and information online for all New Zealanders to access.
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Estuaries
Monitoring estuaries
Most estuary monitoring is carried out by regional councils and unitary authorities, who are responsible for managing the sustainable use of natural resources in their region and have a duty to gather and record information on the State of the Environment (SOE). Other agencies that undertake monito...
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News And Stories
Environment website wades deeper into water data
Environmental monitoring website Land, Air, Water Aotearoa (LAWA) is expanding its repertoire, offering more data about New Zealand’s most valuable natural resource, water.
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Land
Monitoring land cover in New Zealand
How is land cover in New Zealand monitored? The most widely-used source of land cover monitoring data in New Zealand is the New Zealand Land Cover Database (LCDB).
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News And Stories
Environment Aotearoa 2019 Response: Strong data networks for better environmental guardianship.
Today, Stats NZ and the Ministry for the Environment (MfE) released Environment Aotearoa 2019, an overview report on the state of our environment as mandated by the Environmental Reporting Act 2015. The report looks across environmental domains to identify the most pressing issues and potential kno...
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Factsheets
Beach and freshwater recreation monitoring
During the swimming season (around November/December to February/March), regional, unitary, district and city councils and public health agencies assess the health risks from faecal (‘poo’) contamination at swimming spots. At some river and lake sites, toxic algae is also regularly monitored. L...
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