Technical publications and research

Technical reports 2010

Year of publication/ Report number

report title


TR2010/001 - Sampling requirements and reporting statistics for the proprietary devices evaluation protocol (PDEP) development (PDF 2.6MB)

The Auckland Regional Council (ARC) is developing a Proprietary devices evaluation protocol (PDEP) to permit consistent and transparent evaluation of proprietary stormwater treatment devices.

The intention of the current work is to provide a scientifically defensible methodology for the PDEP in terms of stormwater quality performance.


TR2010/002 - Investigation of contaminants in industrial stormwater catchpits (PDF 873KB)

Stormwater from industrial sites has the potential to contain high concentrations of contaminants.

When rainwater washes over impervious surfaces, it collects deposited dust and debris, associated contaminants, and transports them into the stormwater system. When not appropriately controlled or bunded, leaks and spills of industrial chemicals and petroleum products can also release contaminants into the stormwater system.

This report describes a pilot study to investigate contaminants in samples of solids collected from industrial catchpits in Auckland.


TR2010/003 - Contaminant load model user manual (PDF 918KB)

The contaminant load model (CLM) is a spreadsheet-based model, which was developed to enable estimation of stormwater contaminant loads on an annual basis.


TR2010/004 Contaminant load model development (PDF 799KB)

The contaminant load model (CLM) is a spreadsheet-based model, which was developed to enable estimation of stormwater contaminant loads on an annual basis.

This report describes the principles, assumptions and limitations of the model; and the derivation of reference source area fractions, source yields and load reduction factors.


TR2010/005 - Estrogenic endocrine disrupting compounds (PDF 1.4MB)

Endocrine disrupting chemicals (EDC's) are chemicals that can have an effect on the endocrine system of animals including humans.

This document presents an overview of e-EDC sources, impacts on organisms, characteristics relating to transport and degradation in the environment and wastewater treatment systems, and analytical methods that can be used to quantify them.


TR2010/008 - Aquaculture quadruple bottom line assessment (PDF 3MB)

The aim of this report was to consider the potential social, economic, environmental and cultural effects of three indicative aquaculture scenarios in the Auckland region.


TR2010/009 - Aquaculture - economic impact in the Auckland region (PDF 2MB)

This report addresses the regional impact of the aquaculture industry in the Auckland region. It also provides an insight into the economic impact of the growth within the sector.


TR2010/012 - Techniques for evaluating community preferences for managing coastal ecosystems (PDF 726KB)

This report assesses what people value in their coastal environment, from the inner harbour to the outer beaches.

These values these values indicate the level of benefits that the community is likely to receive from upgrading stormwater systems and other infrastructure to mitigate the effects of urban and industrial development.


TR2010/013 - The integration of low impact design, urban design, and urban form (PDF 1.4MB)

This report is a comparison between Low Impact Design principles taken from TP124 and the Ministry for the Environment NZ Urban Design Protocol. It identifies synergies and potential conflicts and provides methods to reconcile these conflicts.


Capacity for growth study 2006


Capacity for growth study 2006 - methodology


TR2010/016 - River water quality annual report 2008 (PDF 798KB)

This report provides a summary of the water quality data collected from the ARC’s monitoring network of 27 rivers.


TR2010/017 - Extensive green (living) roofs for stormwater mitigation Part 1: Design and construction (PDF 3.6MB)

Green roof technology is emerging internationally as a viable low impact design method for stormwater management in ultra-urban centres.

This report documents four years of research into developing green roof design specifically for stormwater management. The research project centres around design and retrofit of an extensive green roof constructed on the roof of the University of Auckland Faculty of Engineering building.


TR2010/018 - Extensive Green (Living) Roofs for Stormwater Mitigation Part 2: Performance Monitoring (PDF 6.5MB)

A report on the performance of living roofs in Auckland including roofs of the University of Auckland Faculty of Engineering building, the Waitakere Civic Centre building, the Auckland Botanic Gardens building and mini roofs at Landcare Research, Tamaki.

Appendix (PDF 6.4MB)


TR2010 021 Ecological impacts form stormwater in the Auckland region: a literature review (PDF 2.9MB)

Studies carried out in Auckland and elsewhere, indicate that stormwater runoff and infrastructure have a profound effect on the ecology of waterways.

The report provides a review of available information on the effects of stormwater on freshwater and marine ecosystems in the Auckland region.


TR2010/022 - Meteorological datasets for the Auckland region - user guide (PDF 3.2MB)

This user guide provides advice on the use of meteorological datasets for the Auckland region. It includes information on the methods used in their development.

It is expected that the datasets will be used for air quality assessments of industrial or transport projects in the Auckland region.


TR2010/023 - Interations between heavy metals, sediment and cockle feeding and movement (PDF 1.1MB)

This report brings together the findings of a series of laboratory and field experiments on intereactions between cockle size, density, mobility, feeding and contaminants.

The object of the project is to link contaminantion deposition and burial, and the ectotoxicity and ecophysiology of cockles, with the valuing of ecosystems. 


TR2010/024 - Modelling storm-load sediment deposition thresholds for potential ecological effects in Okura Estuary (PDF 4.5MB)

This report details the development and calibration of a storm-load sediment deposition model for the Okura Estuary and Karepiro Bay.


TR2010/026 - Soil quality of dairy sites in the Auckland region in 2009: changes since 1995-2000 (PDF 653KB)

The strategy chosen by the Auckland Regional Council in 2009 was to re-sample those sites established under the earlier projects and considered to be at risk of soil quality degradation.

Using the protocols established during the earlier projects 21 sites were re-sampled on dairy sites.


TR2010/028 - Auckland vehicle fleet emission measurements 2005 - the big clean up campaign (PDF 1.5MB)

Remote sensing was undertaken in 2005 by the Auckland Regional Council (ARC) to measure exhaust emissions of a large number of vehicles in “real world” situations, in conjunction with an education campaign.

This was an update of an earlier study undertaken in 2003.


TR2010/029 - Seasonal patterns in ecosystem metabolism of rivers in the Auckland region 2003-09 (PDF 752KB)

This report provides a summary and analysis of the continuous dissolved oxygen data collected by ARC between 2003 and 2009. The oxygen data can be used to calculate rates of ecosystem metabolism (a combination of gross primary production and ecosystem respiration) and thus provide an indication of river health.


TR2010/030 - River water quality annual report 2009 (PDF 1.7MB)

This report provides a summary of the water quality data collected from the ARC’s monitoring network of 31 rivers.


TR2010/031 - Meola Reef ecological monitoring programme: 2001-2010 (PDF 4MB)

This report covers data collected from 2001 to 2010 and describes the subtidal and intertidal communities associated with the reef and some of the environmental factors that influence what is found on the reef.


TR2010/032 - Long Bay marine monitoring programme: 1999-2010 (PDF 3.4MB)

This report covers data collected from 1999 to 2010 and describes the subtidal communities found at (and surrounding) the Long Bay marine reserve. The report also examines the levels of sediments found on these underwater reefs.


TR2010/033 - Ecosystem functioning, goods and services in the coastal environment (PDF 1MB)

Auckland has a vast array of coastal ecosystems that provide many benefits to residents.

Coastal ecosystems produce not only goods, such as fish and shellfish, and amenity and recreational values but in addition provide a number of important services that play crucial roles in supporting human, plant and animal populations.

This report aims to increase the understanding of goods and services provided by estuarine and coastal systems.


TR2010/034 - Assessment of Benthic Health Model (PDF 242KB)

The Benthic Health Model (BHM) was developed as a tool for classifying regional intertidal sites according to categories of relative ecosystem health based on sites’ community composition and predicted responses to stormwater contamination.

This report assesses the application of the BHM as a State of the Environment (SOE) indicator and suggests modifications to improve its usefulness.


TR2010/035 - State of environment indicators for intertidal habitats in the Auckland region (PDF 372KB)

A report that assesses information on the ecological integrity of estuarine and coastal invertebrate communities, for developing useful state of the environment indicators.


TR2010/037 - Impervious surface mapping for the Auckland region (PDF 2.7MB)

Impervious surfaces are defined as constructed surfaces, such as roads, roofs and footpaths, which are covered in materials such as concrete, asphalt and roofing materials. Soils under urban development that have been compacted can also be impervious.

This work extends the spatial coverage (to the whole region) of a previous ARC study that investigated impervious surface within the Metropolitan Urban Limit (TR2009/036).

This impervious surface information will allow us to further understand the relationship between impervious surfaces and environmental quality, particularly in river systems.


TR2010 038 Tamaki Strait marine benthic habitats ecologiocal values and threats (PDF 3.5MB)

The report focuses on determining general similarities between sites in the Tamaki Strait area and the spatial distribution of habitat types and ecological communities.


TR2010/045 A review of definitions of “mixing zones” and “reasonable mixing” in receiving waters (PDF 287KB)

The report reconsiders the definitions of "mixing zone" and "reasonable mixing" to make them more encompassing and to achieve a better fit with the region’s receiving waters.


TR2010/046 Potential of mussel shell as a biosorbent for stormwater treatment (PDF 1.5MB)

This report compiles findings from a series of ARC projects investigating the potential of New Zealand green-lipped mussel (Perna canaliculus) shells as material for removing dissolved metals from stormwater.


 TR2010/049 - The Auckland region hazardous waste programme - 200809 annual report (PDF 484KB)

This report represents the annual activities of the Auckland region household and agricultural hazardous waste programme.

The programme is a collaborative undertaking of the Auckland City Council, Auckland Regional Council, Franklin District Council, Manukau City Council, North Shore City Council, Papakura District Council and Rodney District Council.


TR2010/052 - Construction of stormwater management devices in the Auckland region - part  1 (PDF 6.2MB)
TR2010/052 - Construction of stormwater management devices in the Auckland region - part 2 (PDF 6.8MB)

This report provides information on how to progress from the design of stormwater treatment devices through to construction. In particular, it attempts to explain and correct common construction problems, many the result of poor design.


TR2010/053 - Operation and maintenance of stormwater treatment devices in the Auckland region (PDF 10MB)

This report provides advice on the operation and maintenance of stormwater treatment devices commonly used in Auckland. In particular, it advises on how to overcome operational and maintenance issues, and how to implement good maintenance schedules that prolong the life and performance of each device.


TR2010/057 - Ecological communities and habitats of Whangateau Harbour 2009 (PDF 1MB)

In 2009 the council established an ecological monitoring programme in Whangateau Harbour. This report contains results from the first year of monitoring as well as subtidal and intertidal habitat maps and results from sediment contaminant analysis.


TR2010/058 - Kaipara Harbour ecological monitoring programme. report on data collected between October 2009 and February 2010 (PDF 1.3MB)

The Kaipara Harbour monitoring programme was established in October 2009 to investigate the health of the harbour and to set up a monitoring programme capable of detecting changes associated with development in the catchment.

The monitoring focuses on the intertidal sandflat macrobenthos, similar to other Auckland Regional Council monitoring programmes.


TR2010/061 Effects of Fuel and Operation on Particulate Emissions from Woodburners (PDF 1.2MB)

Reports on lab tests analysing the quantities of particulates discharged from woodburners in New Zealand.


TR2010/065 Sea level change in the Auckland region (PDF 1.9MB)

The report provides an assessment of past, present and future sea level change in the Auckland region.


TR2010/066 - Review of TP10 water quality volume estimation (PDF 1.2MB)

The objective of this report is to update the design guideline manual for stormwater treatment devices TP10 water quality volume (WQV) criterion (Auckland Regional Council technical publication 10, 2003).

The outcomes of this report will contribute to robust, defensible computational procedures to enable better stormwater management design.


TR2010/068 - A bacterial community index (BCI) for New Zealand streams - year 1 (PDF 2.1MB)

TR2010/068 - A bacterial community index (BCI) for New Zealand streams - year 1 - appendices (PDF 2MB)

The development of a bacterial community index (BCI) for New Zealand streams was based on a molecular description of the bacterial biofilm community from 254 stream sites collected across seven regions of New Zealand in mid to late summer 2010.

The BCI aims to provide a measure of stream health which supplements the information derived from traditional indicators of stream health.

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