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Influence of Tectonic and Geological Structure on GIC in Southern South Island, New Zealand
Published 2023-11-01“…Abstract As part of a 5‐year project to assess the risk posed by geomagnetically induced currents (GIC) to the New Zealand electrical transmission network, long‐period magnetotelluric (MT) measurements have been made at 62 sites in southern South Island of New Zealand, a region where there was an absence of previous MT data. …”
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Geomagnetically Induced Current Model Validation From New Zealand's South Island
Published 2020-08-01“…Patrick's Day Storm, Transpower NZ Ltd has reliable GIC measurements at 23 different transformers across New Zealand's South Island. These observed GICs show large variability, spatially and within a substation. …”
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Optimal Fleet Policy of Rental Vehicles with Relocation: A Simulation Study
Published 2024-01-01“…At the same time, the single-fleet model is relatively more profitable at the expense of a lower service level in key centres due to vehicles accumulating in the South Island due to a significant volume of one-way southbound travel. …”
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On the Ionospheric Disturbances in New Zealand and Australia Following the Eruption of the Hunga Tonga‐Hunga Ha'apai Volcano on 15 January 2022
Published 2023-04-01“…The anomaly developed with time along the north‐south island direction toward the south island and lasted for about three and a half hours, with the ionosphere returning to pre‐eruption levels after 09:50, indicating a correlation between ionospheric activity and volcanic eruption. …”
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Prediction of Moderate and Heavy Rainfall in New Zealand Using Data Assimilation and Ensemble
Published 2015-01-01“…Mountains significantly affect the performance of this ensemble which provides better forecasts of heavy rainfall over the South Island than over the North Island. Analysis suggests that underestimation of orographic lifting due to the relatively low resolution of the model (~12 km) is a factor leading to this variability in heavy rainfall forecast skill. …”
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Calculation of GIC in the North Island of New Zealand Using MT Data and Thin‐Sheet Modeling
Published 2020-11-01“…Abstract Geomagnetically induced currents (GICs) in the North Island New Zealand power transmission network during two large magnetic storms are calculated from both magnetotelluric (MT) data and a thin‐sheet conductance model of New Zealand previously used to study GIC in the South Island. We focus on the 2015 St. Patrick's Day magnetic storm and the storm of 20 November 2003. …”
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Geomagnetically Induced Currents and Harmonic Distortion: Storm‐Time Observations From New Zealand
Published 2020-03-01“…However, due to operational reasons these observations are clustered in the mid and lower South Island. In this paper we analyze space weather‐induced GIC impact patterns over the entire country by using a different set of sensors that monitor levels of harmonic distortion, with even and odd harmonics measured separately. …”
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Psychiatric Care, Training and Research in Aotearoa New Zealand
Published 2024-12-01“…The country comprises two main islands – the North and South Islands – with total population of 5 million. Within this context, the authors describe mental health (including indigenous Māori perspective), psychiatrist training, mental healthcare system, and recent research in New Zealand. …”
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