Skip to main content
search
 
 

Together we create and sustain a better world

Welcome to Tonkin + Taylor - an award-winning environmental and engineering consultancy.

 
 

Help shape a sustainable future

Join a team where you can leave a legacy and make a positive impact.

 
 

The latest news, views, and more

Explore our perspectives on the future of infrastructure, environment, and sustainability.

1
1

Making a difference for communities and the environment

With locations across New Zealand and Australia, project offices in the Asia-Pacific region, and global connections with consultancies through the Inogen Alliance, Tonkin + Taylor Group is committed to creating sustainable outcomes that benefit our clients, communities, and the environment.

Projects

For over 60 years, Tonkin + Taylor Group has been at the forefront of environmental, engineering, digital, and advisory consulting. See how we’ve helped leave a legacy.

Insights

Stay up to date with the latest news, ideas, and perspectives from Tonkin + Taylor and our team of industry leading experts.

Join us – together we create and sustain a better world.

Ready to make your mark with Tonkin + Taylor?

Explore Careers
TitleSummaryCategoriesLinkhf:doc_categorieshf:doc_authorhf:doc_tags
Understanding the dynamics of a large and complex ebb tide delta to assess the feasibility of a greenfield port

35th Pianc World Congress, Cape Town, 2024

Waterwaterandrew-brown berthot-a britton-g cussioli-m ford-m gill-c hoogerwerf-f mccarter-sarah oxley-m parker-r quilter-peter-w reinen-hamill-richard shand-tom-d valstar-j van-dijk-b watson-h2024
Pipeline damage predictions in liquefaction zones using LSN

16th World Conference on Earthquake Engineering, Santiago, 2017

Climate + Hazard Resilienceclimate-hazard-resiliencejacka-mike-e koc-a-c nacaroglu-e orourke-t-d toprak-selcuk torvelainen-eric-p van-ballegooy-sjoerd2017
Flood protection levees – from an existing portfolio of old structures to safe and reliable protection systems

Role of dams and reservoirs in a successful energy transition : proceedings of the 12th ICOLD European Club Symposium 2023 (ECS 2023, Interlaken, Switzerland, 5-8 September 2023) p. 972-978. (EurCOLD)

Climate + Hazard Resilienceclimate-hazard-resiliencebarker-malcolm bouma-david-a rushworth-adrian simm-jonathan slomp-robert tourment-remy vroman-noah2023
Seismic assessment of existing buildings. Update of section C4: Geotechnical considerations

NZSEE Conference 2024 Wellington

Land + Buildingsland-buildingsclayton-p-j mcdougall-guy palmer-stuart-j whitehurst-l-a2024
Machine learning correction of overpredicted liquefaction manifestation using Liquefaction Severity Number

NZSEE Conference 2024 Wellington

Climate + Hazard Resilienceclimate-hazard-resiliencejacka-mike-e kennerley-b-r lacrosse-virginie mcdougall-nathan russell-james van-ballegooy-sjoerd2024
Design and construction of Rammed Aggregate Piers for Te Kaha – Canterbury’s new multi-use arena

8th International Conference on Earthquake Geotechnical Engineering (ICEGE), 2024, Osaka

Climate + Hazard Resilienceclimate-hazard-resiliencebowen-hayden2024
Analysis of spatial variability to develop ground investigation density guidance in New Zealand

8th International Conference on Earthquake Geotechnical Engineering (ICEGE), 2024, Osaka

Climate + Hazard Resilienceclimate-hazard-resiliencejacka-mike-e ogden-matt-l2024
Numerical simulation of lateral spreading observed in Christchurch during the 2010-2011 Canterbury Earthquake Sequence

8th International Conference on Earthquake Geotechnical Engineering (ICEGE), 2024, Osaka

Climate + Hazard Resilienceclimate-hazard-resiliencecubrinovski-misko millen-maxim-d-l2024
Is it a ‘wetland’? Is it a ‘river’? No… it’s a grey area

NZ Stormwater Conference 2024

Waterwaterconn-selene quinn-justine-l2024
Enabling investment: is the water sector innovative enough to try something different? Part 2

Water New Zealand Journal Issue 235 July/August 2024 p. 38-42

Waterwatertiller-brad2024
Cyclone Gabrielle recovery : Palmerston North to Gisborne Line (PNGL): Napier to Wairoa – KiwiRail ‘make safe’ response

NZ Geomechanics News Issue 107 June 2024 p. 82-91

Climate + Hazard Resilienceclimate-hazard-resiliencenally-adam2024
Enabling investment: is the water sector innovative enough to try something different? Part 1

Water : official journal of Water New Zealand Issue 234 May/June 2024 p. 26-32

Waterwatertiller-brad2024
Developing source water risk management plans : national case studies

Water New Zealand Annual Conference, 2023, Wellington

Waterwaterross-hannah2023
Defining resilience : a prerequisite for effective flood management

Water NZ Stormwater Conference, 2024, Wellington.

Waterwatercartwright-alex2024
Exploring the benefits of rocking shallow foundations

NZSEE Conference 2024 Wellington

Land + Buildingsland-buildingsmillen-maxim-d-l storie-luke-b2024
Stormwater design at Whanganui Prison : a rehabilitation journey

Water NZ Stormwater Conference, 2024, Wellington

Waterwaterbrockbank-t ferguson-reuben millar-a robertson-e2024
Storming ahead: water infrastructure for growth

Water NZ Stormwater Conference, 2024, Wellington

Waterwateredmond-h hooker-mark powell-r yorston-fraser2024
Regenerative stormwater management: a systems approach

Water NZ Stormwater Conference, 2024, Wellington

Waterwaterhodson-joshua2024
Soil structure interaction in laterally displacing ground

NZSEE Conference 2024 Wellington

Land + Buildingsland-buildingspalmer-stuart-j rama-bhavesh-h2024
Ground improvement techniques undertaken for the road embankments on soft soil for the Peka Peka to Ōtaki Expressway

New Zealand Geomechanics News Issue 106 December 2023 p. 50-60

Land + Buildingsland-buildingscole-richard-g haxell-tim ramilo-razel2023
Innovative design approaches on a major transport infrastructure project at the coast : the Te Ara Tupua experience

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterfoster-mark shand-tom-d2023
Greening the grey – incorporating ecological enhancement into the Te Ara Tupua pathway

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterbell-jacqui bull-leigh burke-sean hetet-len miller-aaron paine-michael shand tom-d2023
Vegetation for wave overtopping mitigation : a laboratory and numerical investigation

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterblakely-holly shand-tom-d whittaker-colin2023
Waves and pathways: a data driven approach to site-specific overtopping analysis

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterbeetham-eddie chan-jonathan flocard-francois paine-michael shand-tom-d taylor-verity2023
A multi-model workflow for assessing multi-scale beach dynamics

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterbeetham-eddie blakely-holly-shand kennedy-david-m mccarroll-jak perry-ben tom-d2023
Golden Cross Landslide – effects of stabilisation works 17 years later

12th Australia – New Zealand Geomechanics Conference, Wellington, 2015

Land + Buildingsland-buildingsharrison-ben-t loney-grant-a2015
Using physical model testing to inform coastal design in complex wave environments

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterblanchard-leandre chan-jonathan flocard-francois paine-michael shand-tom-d2023
Ōpōtiki Harbour development – construction challenges at the end of a sand spit

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterpartner-lance-d pearce-grant-w scott-murray wyeth-david2023
Ōpōtiki Harbour development – innovation in environmental management plans

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterhansen-reuben jones-hayley partner-lance-d wyeth-david2023
Xbloc and earthquakes – a multi-modal approach to determining revetment performance and repair

Australasian Coasts & Ports Conference, 2023, Sunshine Coast, Queensland

Waterwaterchan-jonathan davis-brian flocard-francois kennedy-andrew-i paine-michael shand-tom-d storie-luke-b taylor-verity yohannes-mikias2023
Wave overtopping of coastal infrastructure in New Zealand: field measurement techniques and triggers for adaptation

Australasian Coasts and Ports Conference, 2013, Sydney

Waterwaterquilter-peter-w shand-tom-d whittaker-colin2023
A brief summary of worldwide regulations and recommendations requiring geosynthetic barriers

12th International Conference on Geosynthetics, 2023, Roma, Italy (12ICG)

Land + Buildingsland-buildingsshahkolahi-a shamrock-jonathan von-maubeuge-k-p2023
Emergency response for urban stormwater dams in a large-scale flood even

ANCOLD 2023 Conference on Dams

Waterwaterknappstein-dewi ng-kevin2023
Design and construction of rammed aggregate piers for Te Kaha – Canterbury’s new multi-use arena

14th Australia New Zealand Conference on Geomechanics, Cairns, 2023

Land + Buildingsland-buildingsbowen-hayden2023
Geotechnical application and benefits of performance-based design

14th Australia New Zealand Conference on Geomechanics, Cairns, 2023

Land + Buildingsland-buildingsrobinson-james storie-luke-b van-ballegooy-sjoerd2023
Shear behaviour of a heavily-overconsolidated claystone deposit

14th Australia New Zealand Conference on Geomechanics, Cairns, 2023

Land + Buildingsland-buildingsdissanayake-ajith sivakumar-siva wijeyakulasuriya-vasantha2023
What’s next after COP27? How we can keep 1.5 degrees alive in Aotearoa New Zealand’s infrastructure industry through asset management

IPWEA 2023 Conference, Rotorua

Climate + Hazard Resilienceclimate-hazard-resiliencemeaclem-michelle2023
Application of the geotechnical step change provisions of the 2017 MBIE Guidelines for the Seismic Assessment of Buildings

NZ Society for Earthquake Engineering (NZSEE) Conference 2021 Christchurch

Climate + Hazard Resilienceclimate-hazard-resiliencejury-r-d palmer-stuart-j whitehurst-l2021
Rebuilding Christchurch following the Canterbury earthquakes – implementation of geotechnical lessons learnt

NZ Society for Earthquake Engineering (NZSEE) Conference 2021 Christchurch

Climate + Hazard Resilienceclimate-hazard-resiliencebowen-hayden jacka-michael-e2021
Push-over analysis of a 3D architectural wharf structure including soil-structure interaction

NZ Society for Earthquake Engineering (NZSEE) Conference 2021 Christchurch

Land + Buildingsland-buildingslei-weikuang storie-luke-b van-ballegooy-sjoerd vink-alex2021
Liquefaction induced kinematic loads on piles and inertia loads – literature review and design suggestions

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resiliencechin-engliang palmer-stuart-j rama-bhavesh-h2023
Mitigation of liquefaction-induced lateral spread ground displacement using an in-ground pile wall

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resiliencepalmer-stuart-j rolfe-anthony2023
Seismic design of an XblocPlus revetment using multi-model approach

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resilienceyohannes-mikias2023
Assessment of lateral spread potential using smeared strengths of liquefied/non liquefied soils

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resiliencepalmer-stuart-j peebles-emily-j2023
Optimisation through an Alternative Solution approach incorporating soil-structure interaction

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resilienceal-ani-m bradley-d robinson-james storie-luke-b van-ballegooy-sjoerd2023
New Dunedin Hospital pile trial

NZ Geomechanics News Issue 104 December 2022 p. 78-82

Land + Buildingsland-buildingssutherland-scott2022
Drought prone buildings : an unmitigated disaster in waiting

NZ Geomchanics News Iss. 104 December 2022 p. 62-68

Climate + Hazard Resilienceclimate-hazard-resiliencemcdougall-nathan rogers-nick-w soysa-shiraz-r teal-joshua thomas-mark2022
Examples of ground improvement applications for earthquake design

NZ Society for Earthquake Engineering (NZSEE) Conference 2023 Auckland

Climate + Hazard Resilienceclimate-hazard-resilienceyohannes-mikias2023
Seismic strengthening Auckland’s waterfront

NZ Society for Earthquake Engineering (NZSEE) Conference 2021 Christchurch

Climate + Hazard Resilienceclimate-hazard-resiliencefoster-mark storie-luke-b yang-daiquan2021
Adaptation of coastal protection infrastructure

New Zealand Coastal Society special publication 5, November 2022 p. 79-86

Waterwaterblakely-holly quilter-peter-w shand-tom-d smith-seth whittaker-colin witney-madeline2022
Identifying and classifying expansive soils in New Zealand – time to find a better way?

New Zealand Geotechnical Society (NZGS) Symposium 2021

Land + Buildingsland-buildingsrogers-nick-w teal-joshua2021
Use of tremie concrete in New Zealand deep foundations

New Zealand Geotechnical Society (NZGS) Symposium 2021

Land + Buildingsland-buildingshill-m thorp-aidan2021
A case study: trench stabilization using cutter soil mixing

New Zealand Geotechnical Society (NZGS) Symposium 2021

Land + Buildingsland-buildingsdjoric-anika ridgley-nicola sadeghian-somaye2021
Time-history validation of pseudo-static design procedure for jet grout shear walls subject to liquefaction induced lateral spread

New Zealand Geotechnical Society (NZGS) Symposium 2021

Climate + Hazard Resilienceclimate-hazard-resiliencechild-mark lai-tzin-hwa neves-manuel yang-daiquan2021
Impacts and implications of climate change on wastewater systems: a New Zealand perspective

Climate Risk Management 31 (2021) Paper 100262

Waste + Resource Recoverywaste-resource-recoverybell-rob-g cowper-heays-katherine hughes-james olesson-erica stroombergen-adolph2021
The past is key to the future: collating historical cases of liquefaction to supplement liquefaction hazard assessments

New Zealand Geotechnical Society (NZGS) Symposium 2021

Climate + Hazard Resilienceclimate-hazard-resiliencebastin-sarah-h ogden-matt-o van-ballegooy-sjoerd2021
System response liquefaction analysis – application of a “base isolation” effect

New Zealand Geotechnical Society (NZGS) Symposium 2021

Climate + Hazard Resilienceclimate-hazard-resiliencebowen-hayden kirkwood-peter mcdougall-guy2021
Managing ground risk for Auckland’s City Rail Link project: concept design to procurement

New Zealand Geotechnical Society (NZGS) Symposium 2021

Transporttransportelvy-james hun-a ireland-t-j kirk-p-a2021
The identification and characterisation of collapsible soils: a brief review of current practice

New Zealand Geotechnical Society (NZGS) Symposium 2021

Climate + Hazard Resilienceclimate-hazard-resiliencebrink-george2021
Mapping and monitoring landslides in New Zealand using Sentinel-1 InSAR data: a case study from Gisborne

NZ Geotechnical Society (NZGS) Symposium 2021 Dunedin

Climate + Hazard Resilienceclimate-hazard-resiliencebrook-m-s cave-murry cook-matthew hamling-i tunnicliffe-j2021
Creating resilient communities with medium-range hazard warning systems

Progress in Disaster Science Volume 12, December 2021, Article 100203

Climate + Hazard Resilienceclimate-hazard-resiliencebardsley-anna fakhruddin-bapon gluckman-peter-d griffiths-georgina mcelroy-andrew2021
Rebuild or withdraw? Natural disasters provide opportunity to evaluate

National Business Review 23 July 2021

Climate + Hazard Resilienceclimate-hazard-resiliencerogers-nick-w2021
Fish passage – design and construction challenges

Water New Zealand Stormwater Conference, 2021, Tauranga

Waterwaterknappstein-dewi quilter-bryn rabel-pushpaka yorston-fraser2021
NZfloodpics: engaging communities to support flood resilience

Water New Zealand Stormwater Conference, 2021, Tauranga

Climate + Hazard Resilienceclimate-hazard-resiliencedowson-lisa clayton-e foster-liam goodier-c kay-t lorrey-a rix-jon smith-hamish2021
Evaluation of liquefaction ejecta case histories in Christchurch

Geo-Congress 2022 : geophysical and earthquake engineering and soil dynamics : selected papers from Geo-Congress 2022, Charlotte, North Carolina, March 20-23, 2022 (GSP 334) p. 520-530

Climate + Hazard Resilienceclimate-hazard-resiliencejonathan-d mijic-zorana-bray van-ballegooy-sjoerd2022
Nanako Stream : developing a comprehensive stormwater solution

Water New Zealand Conference 2021 (Rescheduled to February 2022)

Waterwaterhodson-joshua kelly-robert mocke-richard2021
Achieving water quality objectives in a future of rising tides: a case study from the 36th America’s Cup infrastructure project

Water New Zealand Stormwater Conference, 2021, Tauranga

Waterwaterbassett-tom ingle-w wilson-richard-i2021
Future proofed tunnels at Karang-a-hape Road Station

17th Australasian Tunnelling Conference, 2021, Melbourne

Land + Buildingsland-buildingshoward-j-c howard-katerina2021
Future changes in built environment risk to coastal flooding, permanent inundation and coastal erosion hazards

Journal of Waterway, Port, Coastal and Ocean Engineering (ASCE) 147(3) May 2021

Climate + Hazard Resilienceclimate-hazard-resilienceben-shand-tom-d haughey paulik-ryan popovich-ben rebekah reeve-glen stephens-scott-a wadhwa-sanjay2021
Ambient entrainment mechanisms of partially unconfined turbidity currents interacting with a continuous rigid obstacle

Journal of Waterway, Port, Coastal and Ocean Engineering (ASCE) 147(3) May 2021

Land + Buildingsland-buildingsfriedrich-heide stevens-craig wilson-richard2021
Innovative earthworks to achieve settlement performance of a very deep fill

Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, 2022, Sydney.

Land + Buildingsland-buildingsroger-j yang-daiquan2022
Stormwater pollution risk mitigation in a highly industrialised catchment – Lowes Pit case study

Water New Zealand Stormwater Conference, 2021, Tauranga

Land + Buildingsland-buildingscantrell-clint cantrell-h chapman-b kamish-wageed kneebone-m2021
Seeking shelter: The factors that influence refuge since Cyclone Gorky in the Coastal Area of Bangladesh

Progress In Disaster Science Volume 11, October 2021, Article 100179

Climate + Hazard Resilienceclimate-hazard-resiliencefakhruddin-bapon hadi-tahmina islam-md-sirajul richter-denise2021
Rawene Reserve landslips emergency response and stabilisation

Proceedings of the 7th International Young Geotechnical Engineers Conference, 2022, Sydney

Land + Buildingsland-buildingsjohn-seward simon-farquhar2022
The use of Trigger Action Response Plans to mitigate wave overtopping hazard on coastal infrastructure

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwaterfrancois-flocard patrick-knook peter-w-quilter richard-reinen-hamill tom-d-shand2021
Wave-structure-soil interaction for Te Wānanga, Auckland’s new waterfront

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwateralex-vink andrew-brown emma-bullivant luke-b-storie2021
Marine habitat enhancement and fauna management at Cobham Drive, Wellington

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwatermarcus-cameron michael-paine susan-jackson2021
Developments in the mapping of coastal erosion susceptibility/hazards

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwatercharles-lan eddie-beetham matt-de-boer patrick-knook rebekah-haughey richard-reinen-hamill ross-roberts tom-d-shand2021
Hydrodynamic modelling of tsunami inundation behaviour in urban environments

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwaterpablo-higuera scott-murray tom-d-shand2021
Physical modelling of complex overtopping flows at Ōhau Point, Kaikōura and development of mitigation measures

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwaterfrancois-flocard mathieu-deiber matt-j-blacka patrick-knook steve-procter tom-d-shand2021
Temporarily permanent – creating the stage for the 36th Americas Cup

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwaterbridget-allan jennifer-hart joe-greene niksa-sardelic tom-d-shand william-ingle2021
Design of controlled modulus columns without load transfer platform

14th Australia & New Zealand Young Geotechnical Professionals Conference, Rotorua, 2022

Land + Buildingsland-buildingswilliam-t-eom2022
Co-design of an innovative urban shellfish restoration project

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwateralex-foxon alex-vink jarrod-walker marcus-cameron richelle-kahui-mcconnell susan-jackson2021
Optimisation of a falling toe for river mouth scour protection – results from a physical model study

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwaterbruce-w-melville colin-whittaker eddie-beetham grant-w-pearce jonathan-clarke josh-joubert lance-d-partner tom-d-shand zihao-tang2021
Performance and sustainability options assessment of a building with a concrete raft foundation overlying liquefiable soil

14th Australia & New Zealand Young Geotechnical Professionals Conference, Rotorua, 2022

Land + Buildingsland-buildingsguy-mcdougall jamie-thompson mark-thomas sjoerd-van-ballegooy2022
Combined numerical and physical modelling of waves for Ōpōtiki Harbour entrance design

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwatereddie-beetham francois-flocard grant-w-pearce jonathan-clarke lance-d-partner patrick-knook tom-d-shand2021
Ōpōtiki Harbour Development Project – Design of New Zealand’s first river training works in over 100 years

Australasian Coasts & Ports 2021 Conference, Christchurch

Waterwatereddie-beetham francois-flocard grant-w-pearce guy-mcdougall jonathan-clarke lance-d-partner mark-pennington patrick-knook tom-d-shand2021
Real world observations for sulfur dioxide and particulate matter due to the reduction in marine sulfur fuel content from Marpol Annex VI

26th CASANZ (Clean Air Society of Australia & NZ) Conference 2022, Adelaide

Waste + Resource Recoverywaste-resource-recoverydanny-b-beasant2022
Anchor investigation in weak, soft, mudstone to assess the impacts of flush type and potential of underream methods

14th Australia & New Zealand Young Geotechnical Professionals Conference, Rotorua, 2022

Land + Buildingsland-buildingsdanny-b-beasant2022
How calm is calm? Exploring the effect of the categorisation of calm winds on defining offensive odour risk.

26th CASANZ (Clean Air Society of Australia & NZ) Conference 2022, Adelaide

Waste + Resource Recoverywaste-resource-recoveryiain-m-cowan suk-yi-lo2022
Development of a prognostic meteorology for atmospheric dispersion modelling – a comparison of the various options used in Australia and New Zealand

26th CASANZ (Clean Air Society of Australia & NZ) Conference 2022, Adelaide

Waste + Resource Recoverywaste-resource-recoveryiain-m-cowan richard-chilton2022