Jonathan Procter
YOU?
Author Swipe
View article: Exploring the role of model classification, complexity, and selection in volcanic hazard forecasting
Exploring the role of model classification, complexity, and selection in volcanic hazard forecasting Open
View article: Global sensitivity analysis of models for volcanic ash forecasting
Global sensitivity analysis of models for volcanic ash forecasting Open
View article: Observations of Ruapehu Crater Lake (Te Wai ā-moe) and implications for lake dynamics and volcano monitoring
Observations of Ruapehu Crater Lake (Te Wai ā-moe) and implications for lake dynamics and volcano monitoring Open
All historical eruptions at Ruapehu have occurred from its Crater Lake, Te Wai ā-moe. This study aims to better understand Crater Lake dynamics by using visible light and long wavelength infrared images of the lake. Over 10,000 images from…
View article: Comparative assessment of N <sub>2</sub> O emissions from a New Zealand hypereutrophic lake against an oligotrophic reservoir
Comparative assessment of N <sub>2</sub> O emissions from a New Zealand hypereutrophic lake against an oligotrophic reservoir Open
To establish if highly eutrophic lakes generate higher N2O emissions than non-eutrophic aquatic environments in New Zealand, we monitored N2O emissions from hypereutrophic Lake Horowhenua, near Levin, and the oligotrophic Turitea dam reser…
View article: Linking hydrothermal alteration and volcanic rock mechanics through VNIR-SWIR spectroscopy &#160;
Linking hydrothermal alteration and volcanic rock mechanics through VNIR-SWIR spectroscopy   Open
Volcanoes are dynamic and complex natural systems, constantly changing through eruptions, alteration, and erosion. Hydrothermal systems are ubiquitous on volcanoes, causing physical and mechanical change to rock properties via hydrothermal…
View article: Global Sensitivity Analysis of tephra models for forecasting
Global Sensitivity Analysis of tephra models for forecasting Open
Accurate forecasts are needed to help mitigate the risks of volcanic hazards to society. Current approaches use probabilistic estimates based on sparse data, supplemented with expert judgment, to describe likely future eruption characteris…
View article: Using pyroclastic textures as an index for understanding the impact edifice collapse has on the subvolcanic plumbing system.&#160;
Using pyroclastic textures as an index for understanding the impact edifice collapse has on the subvolcanic plumbing system.  Open
Depressurisation from edifice collapse events can impact the subvolcanic plumbing system as a propagation wave moves down through the system shifting the fragmentation zone. Understanding how this influences the eruptive behaviour at a vol…
View article: Characterising transport and emplacement mechanisms of volcanic debris avalanches through 3D Micro Tomography.&#160;
Characterising transport and emplacement mechanisms of volcanic debris avalanches through 3D Micro Tomography.  Open
Volcanic communities near long-lived stratovolcanoes are susceptible to the significant threat associated with edifice collapse events which produce volcanic debris avalanches. These events can have runout distances > 100 km and are the la…
View article: Probabilistic volcanic mass flow hazard assessment using statistical surrogates of deterministic simulations
Probabilistic volcanic mass flow hazard assessment using statistical surrogates of deterministic simulations Open
Probabilistic volcanic hazard assessments require (1) an identification of the hazardous volcanic source; (2) estimation of the magnitude-frequency relationship for the volcanic process; (3) quantification of the dependence of hazard on ma…
View article: Remote exploration and monitoring of geothermal sources: A novel method for foliar element mapping using hyperspectral (VNIR-SWIR) remote sensing
Remote exploration and monitoring of geothermal sources: A novel method for foliar element mapping using hyperspectral (VNIR-SWIR) remote sensing Open
Hyperspectral remote sensing is an emerging technique to develop new cost- and time-effective geophysical mapping methods. To overcome challenges introduced by plant cover in geothermal systems globally, we hypothesise that foliage can be …
View article: Nitrous oxide (N <sub>2</sub> O) synthesis by the freshwater cyanobacterium <i>Microcystis aeruginosa</i>
Nitrous oxide (N <sub>2</sub> O) synthesis by the freshwater cyanobacterium <i>Microcystis aeruginosa</i> Open
Pure cultures of the freshwater cyanobacterium Microcystis aeruginosa synthesized nitrous oxide (N2O) when supplied with nitrite (NO2-) in darkness (198.9 nmol g-DW−1 h−1 after 24 h) and illumination (163.1 nmol g-DW−1 h−1 after 24 h), whe…
View article: Crystal entrainment from cool, low-silica rocks into hot, high-silica melts: diverse primary melt compositions at Taranaki volcano, New Zealand
Crystal entrainment from cool, low-silica rocks into hot, high-silica melts: diverse primary melt compositions at Taranaki volcano, New Zealand Open
The prevalence of antecrysts in arc volcanic rocks is widely accepted, yet the origin of their carrier melts remains debated. Crystal cargo in lava flows from Taranaki volcano, New Zealand, is dominated by plagioclase, clinopyroxene and am…
View article: Comment on egusphere-2022-1153
Comment on egusphere-2022-1153 Open
Abstract. Pure cultures of Microcystis aeruginosa synthesized nitrous oxide (N2O) when supplied with nitrite (NO2-) in darkness (198.9 nmol·g-DW-1·h-1 after 2…
View article: Comment on egusphere-2022-1153
Comment on egusphere-2022-1153 Open
Abstract. Pure cultures of Microcystis aeruginosa synthesized nitrous oxide (N2O) when supplied with nitrite (NO2-) in darkness (198.9 nmol·g-DW-1·h-1 after 2…
View article: Comment on egusphere-2022-1153
Comment on egusphere-2022-1153 Open
Abstract. Pure cultures of Microcystis aeruginosa synthesized nitrous oxide (N2O) when supplied with nitrite (NO2-) in darkness (198.9 nmol·g-DW-1·h-1 after 2…
View article: Nitrous oxide (N <sub>2</sub> O) synthesis by Microcystis aeruginosa
Nitrous oxide (N <sub>2</sub> O) synthesis by Microcystis aeruginosa Open
Pure cultures of Microcystis aeruginosa synthesized nitrous oxide (N2O) when supplied with nitrite (NO2-) in darkness (198.9 nmol·g-DW-1·h-1 after 24 hours) and illumination (163.1 nmol∙g-DW-1∙h-1 after 24 hours) whereas N2O production was…
View article: Supplementary material to "Nitrous oxide (N <sub>2</sub> O) synthesis by Microcystis aeruginosa"
Supplementary material to "Nitrous oxide (N <sub>2</sub> O) synthesis by Microcystis aeruginosa" Open
View article: Comment on nhess-2022-31
Comment on nhess-2022-31 Open
Monitoring for lahars on volcanoes can be challenging due to the ever-changing landscape which can drastically transform the properties and dynamics of the flow. These changes to the flows require the need for detection strategies and risk…
View article: Probabilistic Volcanic Hazard Assessment for National Park Infrastructure Proximal to Taranaki Volcano (New Zealand)
Probabilistic Volcanic Hazard Assessment for National Park Infrastructure Proximal to Taranaki Volcano (New Zealand) Open
Hazard assessment for infrastructure proximal to a volcanic vent raises issues that are often not present, or not as severe in hazard assessments for more distal infrastructure. Proximal regions are subject to a greater number of hazardous…
View article: Characterizing the evolution of mass flow properties and dynamics through analysis of seismic signals: Insights from the 18 March 2007 Mt. Ruapehu lake-breakout lahar
Characterizing the evolution of mass flow properties and dynamics through analysis of seismic signals: Insights from the 18 March 2007 Mt. Ruapehu lake-breakout lahar Open
Monitoring for lahars on volcanoes can be challenging due to the ever-changing landscape which can drastically transform the properties and dynamics of the flow. These changes to the flows require the need for detection strategies and risk…
View article: Remote Exploration and Monitoring of Geothermal Sources: A Novel Method for Foliar Element Mapping Using Hyperspectral Remote Sensing
Remote Exploration and Monitoring of Geothermal Sources: A Novel Method for Foliar Element Mapping Using Hyperspectral Remote Sensing Open
View article: Quantifying location error to define uncertainty in volcanic mass flow hazard simulations
Quantifying location error to define uncertainty in volcanic mass flow hazard simulations Open
The use of mass flow simulations in volcanic hazard zonation and mapping is often limited by model complexity (i.e. uncertainty in correct values of model parameters), a lack of model uncertainty quantification, and limited approaches to i…
View article: Ruapehu and Tongariro stratovolcanoes: a review of current understanding
Ruapehu and Tongariro stratovolcanoes: a review of current understanding Open
Ruapehu (150 km3 cone, 150 km3 ring-plain) and Tongariro (90 km3 cone, 60 km3 ring-plain) are iconic stratovolcanoes, formed since ∼230 and ∼350 ka, respectively, in the southern Taupo Volcanic Zone and Taupo Rift. These volcanoes rest on …
View article: Mapping a Cloud-Free Rice Growth Stages Using the Integration of PROBA-V and Sentinel-1 and Its Temporal Correlation with Sub-District Statistics
Mapping a Cloud-Free Rice Growth Stages Using the Integration of PROBA-V and Sentinel-1 and Its Temporal Correlation with Sub-District Statistics Open
Monitoring rice production is essential for securing food security against climate change threats, such as drought and flood events becoming more intense and frequent. The current practice to survey an area of rice production manually and …
View article: The geological history and hazards of a long-lived stratovolcano, Mt. Taranaki, New Zealand
The geological history and hazards of a long-lived stratovolcano, Mt. Taranaki, New Zealand Open
Mt. Taranaki is an andesitic stratovolcano in the western North Island of New Zealand. Its magmas show slab-dehydration signatures and over the last 200 kyr they show gradually increasing incompatible element concentrations. Source basalti…
View article: Airborne Hyperspectral Imaging for Monitoring Geothermal Activity Through Vegetation
Airborne Hyperspectral Imaging for Monitoring Geothermal Activity Through Vegetation Open
<p>Remote sensing techniques are used to explore geothermal areas. They can offer spatial, temporal and spectral information to map lithological boundaries and hydrothermal alteration in a fast and cheap manner. However, some geother…
View article: Quantifying location error to define uncertainty in volcanicmass flow hazard simulations
Quantifying location error to define uncertainty in volcanicmass flow hazard simulations Open
The use of mass flow simulations in volcanic hazard zonation and mapping is often limited by model complexity (i.e. uncertainty in correct values of model parameters), a lack of model uncertainty quantification, and limited approaches to i…
View article: Felsic melts differentiating to more mafic compositions through crystal uptake: a case of felsic parental arc magmas for mafic lava flows at Taranaki volcano, New Zealand
Felsic melts differentiating to more mafic compositions through crystal uptake: a case of felsic parental arc magmas for mafic lava flows at Taranaki volcano, New Zealand Open
View article: Insights Into the Internal Dynamics of Natural Lahars From Analysis of 3-Component Broadband Seismic Signals at Volcán de Colima, Mexico
Insights Into the Internal Dynamics of Natural Lahars From Analysis of 3-Component Broadband Seismic Signals at Volcán de Colima, Mexico Open
Lahar monitoring on active volcanoes is challenging, and the ever changing environment leads to inconsistent results that hamper a warning systems ability to characterize the flow event properly. Therefore, more data, new methods, and the …
View article: Basic Volcanic Elements of the Arxan-Chaihe Volcanic Field, Inner Mongolia, NE China
Basic Volcanic Elements of the Arxan-Chaihe Volcanic Field, Inner Mongolia, NE China Open
The Arxan-Chaihe Volcanic Field, Inner Mongolia, NE China is a Pleistocene to Recent volcanic field still considered to be active. In this chapter we provide an update of current volcanological research conducted in the last four years to …