Nick Rosser
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View article: Interdisciplinary perspectives on the intersections of roads, sustainable development, and disaster resilience
Interdisciplinary perspectives on the intersections of roads, sustainable development, and disaster resilience Open
Natural hazard-influenced disasters, sustainable development, and roads are closely intertwined. Governments and funding agencies worldwide are increasingly focused on delivering disaster-resilient road infrastructure. However, the multifa…
View article: Brief communication: Weak correlation between building damage and loss of life from landslides
Brief communication: Weak correlation between building damage and loss of life from landslides Open
Mapping exposure to landslides is necessary to mitigate risk and increase resilience. Exposure maps can be constructed from building databases, akin to seismic risk assessments, but there has been little investigation of the predictive rel…
View article: Automated Rockfall Feature Extraction using High-Resolution 3D Point Clouds
Automated Rockfall Feature Extraction using High-Resolution 3D Point Clouds Open
Rockfalls are critical landslide phenomena that significantly impact human activities. Many previous studies have struggled to quantify rockfall volumes due to challenges in volume estimation, particularly without modern remote sensing tec…
View article: 7. Integrating ethnographic and physical science methods in interdisciplinary research projects
7. Integrating ethnographic and physical science methods in interdisciplinary research projects Open
Researchers and ‘in-country’ Research Associates in interdisciplinary teams combine expertise and experience to tackle transdisciplinary problems. However, there is little instruction available to guide researchers or Research Associates w…
View article: Impacts from cascading multi-hazards using hypergraphs: a case study from the 2015 Gorkha earthquake in Nepal
Impacts from cascading multi-hazards using hypergraphs: a case study from the 2015 Gorkha earthquake in Nepal Open
This study introduces a new approach to multi-hazard risk assessment, leveraging hypergraph theory to model the interconnected risks posed by cascading natural hazards. Traditional single-hazard risk models fail to account for the complex …
View article: Review of landslide inventories for Nepal between 2010 and 2021 reveals data gaps in global landslide hotspot
Review of landslide inventories for Nepal between 2010 and 2021 reveals data gaps in global landslide hotspot Open
A review of landslide inventories provides an essential assessment of the state of knowledge around landslide hazard and can guide the focus of future studies. This is especially true in Nepal, which is highly prone to landslides, but lack…
View article: The dynamic threat from landslides following large continental earthquakes
The dynamic threat from landslides following large continental earthquakes Open
Earthquake-triggered landslides show three important characteristics: they are often responsible for a considerable proportion of the damage sustained during mountain region earthquakes, they are non-randomly distributed across space, and …
View article: Impacts from cascading multi-hazards using hypergraphs: a case study from the 2015 Gorkha earthquake in Nepal
Impacts from cascading multi-hazards using hypergraphs: a case study from the 2015 Gorkha earthquake in Nepal Open
This study introduces a new approach to multi-hazard risk assessment, leveraging hypergraph theory to model the interconnected risks posed by cascading natural hazards. Traditional single-hazard risk models fail to account for the complex …
View article: Comment on egusphere-2024-397
Comment on egusphere-2024-397 Open
Abstract. Soil moisture is a key preconditioning factor influencing hillslope stability and the initiation of landslides. Direct measurements of soil moisture on a large scale are logistically complicated, expensive, and therefore sparse, …
View article: Modelling of post-monsoon drying in Nepal: implications for landslide hazard
Modelling of post-monsoon drying in Nepal: implications for landslide hazard Open
Soil moisture is a key preconditioning factor influencing hillslope stability and the initiation of landslides. Direct measurements of soil moisture on a large scale are logistically complicated, expensive, and therefore sparse, resulting …
View article: Brief Communication: Weak correlation between building damage and loss of life from landslides
Brief Communication: Weak correlation between building damage and loss of life from landslides Open
Mapping exposure to landslides is necessary to mitigate risk and reduce vulnerability. Exposure maps can be constructed from building databases, akin to seismic risk assessments, but there has been little investigation of the predictive re…
View article: Modelling the impact from cascading geohazards using hypergraphs
Modelling the impact from cascading geohazards using hypergraphs Open
Modelling risk systems, in which natural hazards and exposure elements are intricately intertwined, poses a significant challenge, especially over large spatial and temporal scales. To address this issue, this study introduces the use of h…
View article: Using Google Earth Engine to map landslide hazard and exposure across Nepal
Using Google Earth Engine to map landslide hazard and exposure across Nepal Open
Nepal is one of the most susceptible countries to landsliding, with much of the country characterised by steep topography, annual monsoon rainfall and active tectonics. Current understanding of landslides in Nepal is predominantly based on…
View article: Regional-scale monitoring of hillslope deformation through optical satellite imagery
Regional-scale monitoring of hillslope deformation through optical satellite imagery Open
Landslides are one of the most damaging disasters and have killed tens of thousands of people over the 21st century. Slow-moving landslides (i.e., those with surface velocities on the order of 10-2-101 m a-1) can be highly disruptive but a…
View article: Detection of slow‐moving landslides through automated monitoring of surface deformation using Sentinel‐2 satellite imagery
Detection of slow‐moving landslides through automated monitoring of surface deformation using Sentinel‐2 satellite imagery Open
Landslides are one of the most damaging natural hazards and have killed tens of thousands of people around the world over the past decade. Slow‐moving landslides, with surface velocities on the order of 10 −2 –10 2 m a −1 , can damage buil…
View article: Identifying recurrent and persistent landslides using satellite imagery and deep learning: A 30-year analysis of the Himalaya
Identifying recurrent and persistent landslides using satellite imagery and deep learning: A 30-year analysis of the Himalaya Open
This paper presents a remote sensing-based method to efficiently generate multi-temporal landslide inventories and identify recurrent and persistent landslides. We used free data from Landsat, nighttime lights, digital elevation models, an…
View article: National‐Scale Rainfall‐Triggered Landslide Susceptibility and Exposure in Nepal
National‐Scale Rainfall‐Triggered Landslide Susceptibility and Exposure in Nepal Open
Nepal is one of the most landslide‐prone countries in the world, with year‐on‐year impacts resulting in loss of life and imposing a chronic impediment to sustainable livelihoods. Living with landslides is a daily reality for an increasing …
View article: National-scale rainfall-triggered landslide susceptibility and exposure in Nepal
National-scale rainfall-triggered landslide susceptibility and exposure in Nepal Open
This dataset is a 30 m resolution landslide susceptibility (hazard) model for Nepal. The dataset is derived from a fuzzy-logic model following the approach developed by Kritikos et al (2015), and is trained on a manually mapped landslide i…
View article: National-scale rainfall-triggered landslide susceptibility and exposure in Nepal
National-scale rainfall-triggered landslide susceptibility and exposure in Nepal Open
This dataset is a 30 m resolution landslide susceptibility (hazard) model for Nepal. The dataset is derived from a fuzzy-logic model following the approach developed by Kritikos et al (2015), and is trained on a manually mapped landslide i…
View article: Modelling post‐earthquake cascading hazards: Changing patterns of landslide runout following the 2015 Gorkha earthquake, Nepal
Modelling post‐earthquake cascading hazards: Changing patterns of landslide runout following the 2015 Gorkha earthquake, Nepal Open
Coseismic landslides represent the first stage of a broader cascading sequence of geohazards associated with high‐magnitude continental earthquakes, with the subsequent remobilization of coseismic landslide debris posing a long‐term post‐s…
View article: Improving above ground biomass estimates of Southern Africa dryland forests by combining Sentinel-1 SAR and Sentinel-2 multispectral imagery
Improving above ground biomass estimates of Southern Africa dryland forests by combining Sentinel-1 SAR and Sentinel-2 multispectral imagery Open
Having the ability to make accurate assessments of above ground biomass (AGB) at high spatial resolution is invaluable for the management of dryland forest resources in areas at risk from deforestation, forest degradation pressure and clim…
View article: Identification of floodwater source areas in Nepal using SCIMAP‐Flood
Identification of floodwater source areas in Nepal using SCIMAP‐Flood Open
Practical approaches for managing flooding from fluvial sources are moving away from mitigation solely at the point of impact and towards integrated catchment management. This considers the source areas, flow pathways of floodwaters and th…
View article: An investigation of the combined effect of rainfall and road cut on landsliding
An investigation of the combined effect of rainfall and road cut on landsliding Open
The reduction of soil suction and consequent loss of shear strength due to infiltration is known to trigger shallow landslides during periods of concentrated rainfall. In the mountainous terrain of Nepal, the risk of shallow rainfall-induc…
View article: Remote sensing for monitoring tropical dryland forests: a review of current research, knowledge gaps and future directions for Southern Africa
Remote sensing for monitoring tropical dryland forests: a review of current research, knowledge gaps and future directions for Southern Africa Open
Climate change, manifest via rising temperatures, extreme drought, and associated anthropogenic activities, has a negative impact on the health and development of tropical dryland forests. Southern Africa encompasses significant areas of d…
View article: Working with communities on disaster risk research: Reflections from cross-disciplinary practice
Working with communities on disaster risk research: Reflections from cross-disciplinary practice Open
Participatory research has been shown to affect change in participants, but limited attention has been paid to impact pathways beyond traditional research subjects. This critical gap in the literature is addressed by analysing the impacts …