Skip to main content

Our Whitianga office will be closed to the public on Friday 26 April. Our staff are still working and can be contacted via our freephone 0800 800 401.

Close alert

Technical reports

Click on a link below to view a copy of the relevant publication.

Groundwater

Summary of ground water information for consideration by the Collaborative Stakeholder Group
TR 2018/37, Tony Petch
View the document on this website
Short term field investigations of groundwater resources in Waipa River Catchment - January to April 2015
TR 2018/36, Zara Rawlinson, Kolja Schaller, Marc Andri Riedi, Molla Bekele (GNS Science Consultancy)
View the document on this website
Review of historical land use and nitrogen leaching: Waikato and Waipa catchments
TR 2018/35, Neale Hudson, Sandy Elliott, Benjamin Robinson, Sanjay Wadhwa (NIWA)
View the document on this website
Prediction of subsurface redox status for Waikato healthy rivers - plan for change: waiora he rautaki whakapaipai project
TR 2018/34, Murray Close
View the document on this website
Groundwater resource characterisation in the Waikato River catchment for Healthy Rivers project
TR 2018/33, P.A White, C Tschritter, Z Rawlinson, M Moreau, K Dewes, S Edbrooke (GNS Science) 
View the document on this website
Groundwater field investigations over the 2014-15 summer in support of the Healthy Rivers project
TR 2018/32, John Hadfield
View the document on this website
Estimation of lag time of water and nitrate flow through the vadose zone: Waikato and Waipa River catchments
TR 2018/31, Scott Wilson and Ali Shokri (Lincoln Agritech Ltd)
View the document on this website

 

Matauranga Maori and integrated assessment

Mātauranga Māori knowledge networks
TR 2018/42, Antoine Coffin (Te Onewa Consultants)
View the document on this website
Integrated assessment two: Achieving water quality for swimming, taking food and healthy biodiversity. Assessment of scenario 1 steps 10%, 25% and 50% from case 1 of modelling round two.
TR 2018/41, Liz Wedderburn, Antoine Coffin
View the document on this website
Integrated assessment one: Assessment of scenarios from modelling round one
TR 2018/40, Liz Wedderburn, Antoine Coffin
View the document on this website
Healthy Rivers project - comment on employment and vibrant resilient communities indicators
TR 2018/39, Dr William (Bill) Cochrane, Dr Mathew Roskruge
View the document on this website
Baseline Report
TR 2018/38, Liz Wedderburn, Antoine Coffin
View the document on this website

 

Nitrogen, phosphorus and chlorophyll

Nutrients and phytoplankton (chlorophyll a) in the Waikato River
TR 2018/46, Healthy Rivers Technical Leaders Group
View the document on this website
Nutrient reduction bioassays in the Waikato River
TR 2018/45, Dr Max Gibbs, Glenys Croker (NIWA)
View the document on this website
Nutrient limitation of algal biomass in the Waikato River
TR 2018/44, Piet Verburg (NIWA)
View the document on this website
Assessment of Waikato River nutrient limitation: Peer reviewed key findings of WRC and DairyNZ studies
TR 2018/43, Vicki Carruthers
View the document on this website

 

Scenario modelling

Simulation of the proposed policy mix for the Healthy Rivers Wai Ora process
TR 2018/59, Graeme J. Doole (University of Waikato) and John M. Quinn, Bob J. Wilcock, Neale Hudson (NIWA)
View the document on this website
Sheep and beef data adjusted for average schedule price and expenditure
TR 2018/58, Femi Olubode
View the document on this website
Evaluation of scenarios for waterquality improvement in the Waikato and Waipa River catchments - Assessment of second set of scenarios 24 September 2015
TR 2018/57, Graeme Doole (University of Waikato), Sandy Elliott (NIWA) and Garry McDonald (Market Economics Ltd)
View the document on this website
Economic evaluation of scenarios for water-quality improvement in the Waikato and Waipa River catchments - Assessment of first set of scenarios 24 August 2015
TR 2018/56, Graeme Doole (University of Waikato), Sandy Elliott (NIWA) and Garry McDonald (Market Economics Ltd)
View the document on this website
Regional- and national-level economic impacts of the proposed Waikato Regional Plan Change No.1— Waikato and Waipa River Catchments
TR 2018/55, Garry McDonald (Market Economics Limited) and Graeme J. Doole (University of Waikato)
View the document on this website
Prediction of water quality within the Waikato and Waipa River catchments in 1863
TR 2018/54, Graeme J. Doole (University of Waikato) and Neale Hudson, Sandy Elliott (NIWA)
View the document on this website
Model structure for the economic model utilised within the Healthy Rivers Wai Ora process - Appendix 1: Model code
TR 2018/52 - Volume 2, Graeme J. Doole (University of Waikato)
View the document on this website
Model structure for the economic model utilised within the Healthy Rivers Wai Ora process
TR 2018/52, Graeme J. Doole (University of Waikato)
View the document on this website
Land use conversion costs for Healthy Rivers Wai Ora Project
TR 2018/51, Perrin AG Consultants
View the document on this website
Evaluation of scenarios for waterquality improvement in the Waikato and Waipa River catchments - Business-as-usual assessment
TR 2018/49, Graeme J. Doole (University of Waikato)
View the document on this website
Economic Impacts of the Healthy Rivers Initiative - Freshwater Management Unit, Regional and National Assessment
TR 2018/48, Market Economics Limited
View the document on this website
Description of mitigation options defined within the economic model for Healthy Rivers Wai Ora Project - Description of options and sensitivity analysis - 28 September 2015
TR 2018/47, Graeme J. Doole (University of Waikato)
View the document on this website

 

Surface water

Water Quality Attributes for Healthy Rivers: Wai Ora Plan Change
TR 2018/66, Mike Scarsbrook
View the document on this website
Waikato River suspended sediment: loads, sources & sinks
TR 2018/65, Andrew Hughes (NIWA)
View the document on this website
Refined classification of land characteristics to assist economic modelling
TR 2018/64, Sanjay Wadhwa, Sandy Elliott (NIWA)
View the document on this website
Modelling Nutrient Loads in the Waikato and Waipa River Catchments - Development of catchment-scale models
TR 2018/63, Annette Semadeni-Davies, Sandy Elliott, Sharleen Yalden (NIWA)
View the document on this website
Modelling E. coli in the Waikato and Waipa River Catchments Development of a catchment-scale microbial model
TR 2018/62, Author
View the document on this website
Extracting NZeem-estimated sediment yield data for Agribase farm boundaries within HRWO catchments
TR 2018/61, Harley Betts (Landcare Research (NZ) Ltd)
View the document on this website
A methodology for chlorophyll and visual clarity modelling of the Waikato and Waipa River
TR 2018/60, Sharleen Yalden, Sandy Elliott (NIWA)
View the document on this website