Explanipedia

Spatiotemporal economic risk of national road networks to episodic coastal flooding and sea level rise Open

Ryan Paulik, J. M. Powell, Alec Wild, Conrad Zorn, Liam Wotherspoon · 2025

This study delivers a spatiotemporal economic risk evaluation of New Zealand’s road network to extreme sea-level driven flooding and relative sea level (RSL) change from 2020 to 2120. A spatial risk analysis framework was developed to calc…

A new volcanic multi-hazard impact model for water supply systems: Application at Taranaki Mounga, Aotearoa New Zealand Open

Harley Porter, Thomas Wilson, Alana Weir, Carol Stewart, Heather M. Craig , et al. · 2024

Vulnerability of Physical Infrastructure Network Components to Damage from the 2015 Illapel Tsunami, Coquimbo, Chile Open

James H. Williams, Ryan Paulik, Rafael Aránguiz, Alec Wild · 2024

This study assesses physical infrastructure vulnerability for infrastructure network components exposed during the 2015 Illapel tsunami in Coquimbo, Chile. We analyse road and utility pole vulnerability to damage, based on interpolated and…

Evaluation of residential building damage for the July 2021 flood in Westport, New Zealand Open

Ryan Paulik, Alec Wild, Conrad Zorn, Liam Wotherspoon, Shaun Williams · 2024

Reliable flood damage models are informed by detailed damage assessments. Damage models are critical in flood risk assessments, representing an elements vulnerability to damage. This study evaluated residential building damage for the July…

A New Volcanic Multi-Hazard Impact Model for Water Supply Systems: Application at Taranaki Mounga, Aotearoa New Zealand Open

Harley Porter, Thomas Wilson, Alana Weir, Carol Stewart, Heather M. Craig , et al. · 2024

Dairy farming exposure and impacts from coastal flooding and sea level rise in Aotearoa-New Zealand Open

Heather M. Craig, Alec Wild, Ryan Paulik · 2023

Cost-benefit analysis for evacuation decision-support: challenges and possible solutions for applications in areas of distributed volcanism Open

Alec Wild, Mark Bebbington, Jan M. Lindsay, Natalia I. Deligne · 2023

During a volcanic crisis, evacuation is the most effective mitigation measure to preserve life. However, the decision to call an evacuation is typically complex and challenging, in part due to uncertainties related to the behaviour of the …

Residential building damage assessment and evaluation for the July 2021 flood in Westport, New Zealand Open

Ryan Paulik, Alec Wild, Conrad Zorn, Liam Wotherspoon, Shaun Williams · 2023

Reliable flood damage models are informed by detailed damage assessments. Damage models are a critical flood risk assessment component representing flood exposed object vulnerabilities. This study evaluates residential building flood damag…

Assessing Indirect Impacts of Extreme Sea Level Flooding on Critical Infrastructure Open

Charles Lan, Alec Wild, Ryan Paulik, Liam Wotherspoon, Conrad Zorn · 2023

This study investigates the direct and indirect impacts of extreme sea level (ESL) flooding on critical infrastructure. While methods to quantify the direct impacts of ESL flooding on coastal areas are well established, the indirect impact…

Sea-Level Rise Effects on Changing Hazard Exposure to Far-Field Tsunamis in a Volcanic Pacific Island Open

Rebecca Welsh, Shaun Williams, Cyprien Bosserelle, Ryan Paulik, Josephina Chan Ting , et al. · 2023

Coastal flooding exacerbated by climate change is recognised as a major global threat which is expected to impact more than a quarter of all people currently residing in Pacific Island countries. While most research in the last decade has …

Sea-Level Rise Effects on Changing Hazard Exposure to Far-Field Tsunamis in a Volcanic Pacific Island Open

Rebecca Welsh, Shaun Williams, Cyprien Bosserelle, Ryan Paulik, Josephina Chan Ting , et al. · 2023

Coastal flooding exacerbated by climate change is recognised as a major global threat which is expected to impact more than a quarter of people currently residing in Pacific Islands countries. While most research in the last decade has foc…

National assessment of extreme sea-level driven inundation under rising sea levels Open

Ryan Paulik, Alec Wild, Scott Stephens, Rebecca Welsh, Sanjay Wadhwa · 2023

Episodic inundation from extreme sea-levels (ESLs) will have increasing social and economic impacts in response to relative sea level rise (RSLR). Despite the improved global understanding of ESL frequencies and magnitudes, detailed nation…

RiskScape: a flexible multi-hazard risk modelling engine Open

Ryan Paulik, Nick Horspool, Richard Woods, Nick Griffiths, Tim Beale , et al. · 2022

This paper presents the architecture and features of RiskScape software. RiskScape is an open-source software with a flexible modelling engine for multi-hazard risk analysis. The RiskScape engine implements modeller-defined risk quantifica…

Residential building flood damage: Insights on processes and implications for risk assessments Open

Ryan Paulik, Alec Wild, Conrad Zorn, Liam Wotherspoon · 2022

Flood damage assessments provide critical insights on processes controlling building damage and loss. Here, we present a novel damage assessment approach to develop an empirical residential building damage database from five flood events i…

Short-Term Eruption Forecasting for Crisis Decision-Support in the Auckland Volcanic Field, New Zealand Open

Alec Wild, Mark Bebbington, Jan M. Lindsay · 2022

Auckland, a city of 1.6 million people, is situated atop the active monogenetic Auckland Volcanic Field (AVF). Thus, short-term eruption forecasting is critical to support crisis management in a future event, especially to inform decisions…

Vulnerability of physical infrastructure network components to damage from the 2015 Illapel tsunami, Coquimbo, Chile Open

James H. Williams, Ryan Paulik, Rafael Aránguiz, Alec Wild · 2022

This study presents physical infrastructure network component vulnerability during the 2015 Illapel tsunami in Coquimbo, Chile. We analyse road and utility pole vulnerability to damage, based on interpolated and simulated tsunami hazard in…

RiskScape: A flexible multi-hazard risk modelling engine Open

Ryan Paulik, Nick Horspool, Richard Woods, Nick Griffiths, Tim Beale , et al. · 2022

This paper presents the architecture and features of RiskScape software. RiskScape is an open-source software with a flexible modelling engine for multi-hazard risk analysis. The RiskScape engine implements modeller-defined risk quantifica…

Infrastructure network component vulnerability to damage from the 2015 Illapel tsunami, Coquimbo, Chile Open

James H. Williams, Ryan Paulik, Rafael Aránguiz, Alec Wild · 2022

This study presents critical infrastructure network component vulnerability in the 2015 Illapel tsunami at Coquimbo, Chile. We analyse road and utility pole vulnerability to physical damage based on modelled tsunami hazard intensity (depth…

Agriculture and forestry impact assessment for tephra fall hazard Open

Heather M. Craig, Thomas Wilson, Christina Magill, Carol Stewart, Alec Wild · 2021

Developing approaches to assess the impact of tephra fall to agricultural and forestry systems is essential for informing effective disaster risk management strategies. Fragility functions are commonly used as the vulnerability model withi…

Quantifying National-Scale Changes in Agricultural Land Exposure to Fluvial Flooding Open

Heather M. Craig, Ryan Paulik, Utkur Djanibekov, Patrick J. Walsh, Alec Wild , et al. · 2021

This study quantifies the exposure of agricultural land in Aotearoa-New Zealand’s (A-NZ) flood hazard zones (FHZs). We developed a spatio-temporal flood exposure framework to quantify the extent of the area and yearly earnings before incom…

Cumulative building exposure to extreme sea level flooding in coastal urban areas Open

Ryan Paulik, Scott Stephens, Alec Wild, Sanjay Wadhwa, Robert G. Bell · 2021

Global sea-level rise (SLR) is expected to increase the frequency of extreme sea level (ESL) flooding. Flood mitigation strategies often focus on reducing built-asset exposure to relatively infrequent but high magnitude ESL events, though …

Modelling spatial population exposure and evacuation clearance time for the Auckland Volcanic Field, New Zealand Open

Alec Wild, Mark Bebbington, Jan M. Lindsay, Danielle Charlton · 2021

Auckland, New Zealand's largest city (population of ~1.6 million), is situated atop the monogenetic Auckland Volcanic Field (AVF). As in many places faced with volcanic activity, evacuation is seen as the best risk mitigation strategy for …

Suitability of quantitative volcanic hazard and risk assessment methods and tools for crisis management in Auckland, New Zealand Open

Alec Wild, Jan M. Lindsay, Mark Bebbington, Mary Anne Clive, Thomas W. Wilson · 2020

In the lead up to the next Auckland Volcanic Field (AVF) eruption, it is likely decision-makers will need to determine when and where to call an evacuation. Over the past two decades there has been a growing body of research aimed at explo…

Auckland Volcanic Field eruption crisis management decision-making workshop Open

Alec Wild, Jan M. Lindsay, Seósamh B. Costello, Natalia I. Deligne, Anna Doherty , et al. · 2019

Auckland is the largest city in New Zealand with 1.6 million residents. This major metropolitan region is situated upon the Auckland Volcanic Field (AVF), posing a considerable risk to the city’s population and essential services. On 17 De…

Probabilistic volcanic impact assessment and cost-benefit analysis on network infrastructure for secondary evacuation of farm livestock: A case study from the dairy industry, Taranaki, New Zealand Open

Alec Wild, Thomas Wilson, Mark Bebbington, Jim Cole, Heather M. Craig · 2019

A volcanic tephra fall hazard evacuation decision support tool for Taranaki dairy livestock using probabilistic modelling Open

Alec Wild · 2016

The dairy industry is one of New Zealand’s leading economic drivers, contributing $18.1 billion in export revenue in the 2013/14 financial year. However, past experiences have demonstrated that dairy livestock are vulnerable to the e↵ects …

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