536 Works

A compiled and extensible database for building damage from the 2010-2011 earthquake sequence in Canterbury, New Zealand

Sheng-Lin Lin, S.R. Uma, Andrew B. King & Nick A. Horspool
The 2010–2011 Canterbury earthquake sequence in Christchurch, New Zealand caused widespread building damage. In response to each significant earthquake, local and central government and some private organisations conducted safety evaluation surveys. Furthermore, an extensive network of strong motion stations yielded a large ground motion data set. This report describes the tasks undertaken by the authors in association with their partners to (i) scrutinise and organise the massive amount of collected data; and (ii) derive a...

Database of site metadata for GeoNet strong motion stations

The New Zealand Strong-Motion Database provides a wealth of new strong-motion data for engineering applications. In order to utilise these data in ground motion prediction, characterisation of key site parameters at each of the ~497 past and present GeoNet strong motion stations represented in the database is required. Here, we present the compilation of a complete set of site metadata for the New Zealand database, including four key parameters: i) NZS1170.5 site subsoil classification, ii)...

Quality control and quality assurance of Hawkes Bay dryland rainfall recharge measurements: 2011 - 2014

PA White & AP Lovett
The Hawke’s Bay Regional Council (HBRC) has installed a network of five groundwater recharge measurement sites in the region. These sites have been installed as part of an investigation programme in collaboration with GNS Science and the National Institute of Water and Atmospheric Research’s Waterscape Research Programme. Four sites measure rainfall recharge (i.e., recharge through dry land, which is non-irrigated soil) and one measures recharge from rainfall and irrigation. This report describes quality assurance and...

Earthquake awareness and preparedness in Auckland - a 2016 survey

DM Johnston, JS Becker, C Orchiston, T Egbelakin, MA Thompson & MA Coomer
The purpose of the survey was to assess the earthquake awareness and preparedness in Auckland, as part of a wider survey including Oamaru and Dunedin, and Hamilton. The survey invited residents to participate in a study seeking to develop a clearer understanding of earthquake awareness and preparedness. A total of 1500 surveys were delivered to Auckland residents on 8th November 2016. Preparedness for earthquakes and other hazards is critical in the recovery of affected communities...

Earthquake awareness and preparedness in Hamilton - a 2016 survey

DM Johnston, JS Becker, C Orchiston, T Egbelakin, MA Thompson, B Pace & MA Coomer
The purpose of the survey was to assess the earthquake awareness and preparedness in Hamilton, as part of a wider survey including Auckland, and Oamaru and Dunedin. The survey invited residents to participate in a study seeking to develop a clearer understanding of earthquake awareness and preparedness. A total of 500 surveys were delivered to Hamilton residents, with 65 returned. Preparedness for earthquakes and other hazards is critical in the recovery of affected communities in...

Urban Geochemical Atlas of Dunedin City, New Zealand

RE Turnbull, AP Martin, MS Rattenbury, KM Rogers, DT Strong & R Morgenstern
A geochemical atlas for Dunedin City, New Zealand is presented that highlights the variation in trace, minor and major element concentrations in surficial soil materials across the urban landscape. Sampling was undertaken at 83 sites across a 1 km grid, with a further 30 sites sampled within the grid from almost all primary, intermediate and secondary schools within the survey area. At each site, three samples were collected using a hand auger: an upper O-depth...

Voyage report for SS2012V06 Eastern Coral Sea Tectonics (ECOSAT), R/V Southern Surveyor, October-November 2012

M Seton, S Williams, N Mortimer, S Meffre & S Micklethwaite

Measuring community resilience

AH Kwok
As New Zealand seeks to develop tools for assessing resilience as part of its national resilience strategy, this report illustrates how a direct translation of resilience indictors and indicator variables from the Benchmarking Resilience Indicators for Communities (BRIC) – a U.S.-based resilience assessment tool – for New Zealand presents both challenges and opportunities. Key challenges include the absence of publicly available datasets at different geographic scales and the applicability of indicator concepts that reflect New...

Caribbean core competency for emergency and disaster management roadmap

JE Jovins, S Feldmann-Jensen & SJ Jensen
A ‘roadmap’ for the development of core competencies was established in a joint effort between the Caribbean Disaster Emergency Management Agency (CDEMA) and the New Zealand Ministry of Foreign Affairs and Trade (MFAT) with support of GNS Science, Massey University Joint Centre for Disaster Research (JCDR) and New Zealand Ministry of Civil Defence and Emergency Management (MCDEM). The forward planning effort moves toward supporting the Caribbean region’s Comprehensive Disaster Management (CDM) initiatives through the development...

2016 M7.8 Kaikoura earthquake and tsunami computer simulations

Y Kaneko & X Wang

Developing GNS's capability in multispectral satellite imagery as a tool for geothermal and mineral exploration

PMJ Durance, S Ashraf, AJ Rae & G Kereszturi
Multispectral satellite data and their interpretation have potential to provide an efficient, environmentally friendly, socially acceptable and inexpensive method to map, study, and explore New Zealand’s mineral and geothermal resources at a reconnaissance scale. In particular, the method can potentially help reduce the area of interest for follow-up exploration by ground-based methods. Recent technological advances, namely the launch of the WorldView3 (WV-3) satellite, have made it possible to make a serious attempt at applying remote...

Liquefaction hazard in the Wellington Region

GD Dellow, ND Perrin & WF Ries
The greater Wellington Region has a higher annual probability of damaging ground shaking than most of the rest of New Zealand. This means that the region is exposed to all of the effects of strong earthquake shaking including fault rupture, ground movement, liquefaction and landslides. This report deals specifically with the liquefaction hazard in the greater Wellington Region. Liquefaction is a process that leads to a soil suddenly losing much of its strength, most commonly...

Te Ropū Pūtaiao Pāpori Vision Mātauranga Strategy and Action Plan 2018-2022

LC Carter
In 2007 the Ministry of Business, Innovation and Employment released their Vision Mātauranga policy for “unlocking the Innovation Potential of Māori knowledge, Resources and People” (MBIE, 2007) and to provide strategic direction for Vote RS&T funding for research. Elements of MBIE’s Vision Mātauranga policy are increasingly being adapted by organisations who recognise the unique opportunities for Māori communities to make distinct contributions to research, science and technology. Additionally, Vision Mātauranga is increasingly a core assessment...

Kaikōura Earthquake Short-Term Project

NJ Litchfield, KJ Clark, WF Ries, P Villamor, RJ Van Dissen, RM Langridge, DJA Barrell, KE Jones, DW Heron, B Lukovic & J Pettinga
Ground deformation in the 14th November 2016 magnitude 7.8 Kaikōura Earthquake was extra-ordinarily complex, including multiple (>20) ground-surface fault ruptures and extensive (>110 km) coastal uplift. This report documents work undertaken after the initial GeoNet response phase to document the ground-surface fault ruptures and coastal uplift, with a large focus on high resolution topographic (Light Detecting and Ranging) data. This work provides essential information for better understand what happened in the earthquake, and to inform...

Rapid remote sensing data collection

KE Jones, JM Lee, GC Archbald, S Lawson & C Asher
The acquisition of remotely sensed, high resolution, topographic data has been transformed considerably over the past decade by new technology and geospatial processing platforms. Originally developed within the computer vision industry, Structure from Motion (SfM) is a photogrammetric method for creating 3D models of a feature or topography from overlapping two-dimensional photographs taken from many locations and orientations. SfM algorithms search for unique matches of points between two images, determining internal camera geometry and camera...

Businesses and the Canterbury earthquakes

T Hatton, E Seville, C Brown & Stevenson
his report describes the results of 14 case studies carried out with organisations in Christchurch and Auckland to further inform and refine the Business Behaviours Module of MERIT. The Business Behaviours Module has been developed based on extensive statistical analysis of the responses of 541 Canterbury organisations to a 2013 survey on their experiences following the 2010/11 Canterbury earthquakes. We needed to test the applicability of the Business Behaviours Module to other types of disruption...

Economics of Resilient Infrastructure Auckland Volcanic Field Scenario

NI Deligne, DM Blake, AJ Davies, ES Grace, J Hayes, SH Potter, C Stewart, G Wilson & TM Wilson
The Economics of Resilient Infrastructure (ERI) research programme is a four year project funded by the New Zealand Government. The final output of the programme is a software tool, MERIT (Modelling the Economics of Resilient Infrastructure Tool) which will quantify the economic consequences of infrastructure failure and explore various post disaster recovery strategies. This report documents one of two multi-sector outage scenarios developed for the MERIT tool, a volcanic eruption in the Auckland Volcanic Field...

Auckland electricity outage scenario

JH Kim, NJ Smith & GW McDonald
In the ERI programme we developed a Dynamic Interoperability Input-Output Model (DIIM) to assess the economic impacts of a hypothetical electricity outage scenario in the Auckland region. We apply a hypothetical electricity transmission infrastructure loss scenario, co-developed with Transpower (electricity provider) and Vector (electricity retailer), to test the impacts of a substantial electricity outage in Auckland. The probability of the scenario is highly unlikely, but plausible for the Auckland region. The scenario is fully outlined...

Natural Hazards 2016

C Pinal

GWRC flood warning review phase 2 & 3

GS Leonard, RJ Woods, JS Becker & SH Potter
Providing effective flood warning services is a critical role for Greater Wellington Regional Council (GWRC). Currently, flood warning services in the Wellington Region are provided across three parts of GWRC: Flood Protection, Environment Science and Wellington Region Emergency Management Office (WREMO). The current arrangement pre-dates the establishment of WREMO. The current system has not been reviewed recently and has never had a comprehensive review on service provision or delivery. To remedy this, a review of...

Te Kura Whenua ki Wairarapa & Porangahau wānanga completion report

M Terezow, RH Levy, CJ Hollis, UA Cochran & KJ Bland
During March and October 2016, GNS Science and Ngāti Kahungunu Iwi Incorporated led two Te Kura Whenua wānanga at Kohunui Marae, Pirinoa, Wairarapa and Rongomaraeroa Marae, Porangahau, respectively. Te Kura Whenua is a community engagement initiative aimed at creating dialogue and sharing knowledge between scientists and Māori communities on geoscience-related topics, such as climate change, geological hazards, geological resources, and Māori perspectives on the whenua. The two three-day wānanga involved field-based and hands-on activity-based learning....

Characterising New Zealand butter using bulk and molecular multi-isotope analyses

KM Rogers, AM Philips, AG Immers, J Cooper, M Sim & J Fitzgerald
Food fraud is now a serious problem worldwide and the various methods of disguising the origin and authenticity of lower quality products for economic gain is increasing. For some time, stable isotopes have been employed as a tool of choice to determine origin and farming methods of agricultural and animal products. The Ministry for Primary industries (MPI) commissioned GNS Science to investigate a selection of New Zealand and overseas sourced butter to understand key differences...

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