Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"Taupo"”.
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The fluvial biology of Lake Taupo rainbow trout
… an economically important sport fishery in Lake Taupo, New Zealand, yet each has very different bio-physical characteristics; the Waimarino River is an unregulated stream with seasonally varying flow and temperature regimes; the Hinemaiaia River is an hydro-electric flow-controlled stream having …
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Resident Perceptions of Event Impacts: Taupo and Ironman New Zealand
… addresses these issues in the context of Taupo, New Zealand using the case of Ironman New Zealand.This thesis adopts a mixed method approach using interviews (n=7), participant observation, and a web-survey (n=111). The findings confirm that it is vital to investigate and understand …
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Three-dimensional magnetotelluric modelling of the Taupo Volcanic Zone, New Zealand
The Taupo Volcanic Zone (TVZ) is an important resource for New Zealand’s energy sector as it hosts the majority of New Zealand’s geothermal systems. To be able to increase the power generation in this area significantly over the next few decades, higher temperature fluids from greater depths will …
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Deep hydrology of the geothermal systems in the Taupo Volcanic Zone, New Zealand
… which give rise to the geothermal fields in the Taupo Volcanic Zone (TVZ), New Zealand. To carry out this study, a super-critical equation of state module has been developed for the geothermal simulator TOUGH2, which can describe the flow of water at the conditions expected deep in the TVZ. The …
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Geochemical and volcanological aspects of rhyolite eruptions from Taupo Volcanic Zone, New Zealand
The Taupo Volcanic Zone (TVZ) of New Zealand is the most frequently active rhyolitic zone on Earth, with more than 50 rhyolitic eruptions from its active volcanic centres, Okataina (OVC) and Taupo (TVC), in the last 50 kyr. The millennial-scale frequency of eruptions in the TVZ implies that the …
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Smelt (Retropinna retropinna) population dynamics and predation by rainbow trout (Salmo gairdneri) in Lake Taupo
… retropinna) population biology in Lake Taupo, New Zealand, and describes the development of a model which simulated their population dynamics and interactions with rainbow trout (Salmo gairdneri), their principal predator. The model was used to predict the effects of variation in habitat …
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Deciphering the 4-D geological framework of the Taupo-Reporoa Basin: Implications for hydrothermal fluid flow and volcanism
The Taupo-Reporoa Basin (TRB) represents the easternmost basin in the central Taupo Volcanic Zone (TVZ), North Island, New Zealand, and hosts >2000 MW of the 4200±500 MW of heat output within this arc setting. Its geographic alignment with active volcanic centers (Okataina, Taupo), geophysical …
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Petrologic, geochemical and isotopic evolution of rhyolite lavas from the Okataina, Rotorua and Kapenga Volcanic Centres, Taupo Volcanic Zone, New Zealand
… system at the northeastern end of the central Taupo Volcanic Zone, North Island, New Zealand. This study presents a set of petrographic, mineralogical, geochemical and isotopic data that focuses on the rhyolite lavas erupted from the OVC. These data have been combined with existing …
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Sediment-Pore Water Chemistry of Taupo Volcanic Zone Lakes and the Effect Trophic State has on Exchange with the Water Column
The Taupo Volcanic Zone (TVZ) is in the Waikato and the Bay of Plenty regions of North Island of New Zealand and contains many volcanic lakes of diverse history, physiography, and limnology. The lakes vary in size (0.2 to 620 km2), mixing regime (monomictic and polymictic), and trophic status …
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A Communitarian Approach to Accountability for the Common Good: A Case Study of Community Participation in Planning and Policy Making for Lake Taupo
… making for the sustainable development of the Taupo District. The use of such multiple contexts is crucial for this study. This is because communitarian ideology in New Zealand has historical roots in Local Government which, in recent years has been influenced by the global discourse on …
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Bicycle Travel, Injury Risk and Conspicuity. Application of Epidemiological Methods
… vehicle. Methods This research was based on the Taupo Bicycle Study, a prospective cohort study involving 2628 adult cyclists (aged 16 years and over). The participants were recruited from the Lake Taupo Cycle Challenge (New Zealand’s largest mass cycling event) in 2006 (N=2438) and in 2008 …
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3D conceptual and TOUGH2 modelling of the Waiotapu geothermal field, New Zealand
… high-temperature system located in the Taupo Volcanic Zone (TVZ) in the North Island of New Zealand. Seven exploration wells were drilled in Waiotapu in the late 1950s, which are drilled to around 500 m - 1100 m depth. Although Waiotapu has seven deep exploration wells that reached a …
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Studies on late Quaternary tephras in the Waikato and other regions in northern North Island, New Zealand, based on distal deposits in lake sediments and peats
… ages in years B.P., old T½ basis) are: Taupo: Taupo (1800), Mapara (2200), Whakaipo (2800), Hinemaiaia (4500), Opepe (8900): Okataina: Whakatane (4800), Mamaku (7000), Rotoma (8500), Waiohau (12 200), Rotorua (13 300), Rerewhakaaitu (14 700), Okareka (17 000): Maroa: Puketarata (14 000): …
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Volcanic deformation as an indicator of mechanical stability and eruption susceptibility
… this work examines the supereruptions of the Taupo Caldera in New Zealand, and recent eruptions of the submarine volcano, Axial Seamount. I address the effect of tectonic stresses on triggering the eruption of the Taupo Caldera, and reveal that mechanical stability of shallow, silicic magmatic …
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Small-volume volcanism associated with polygenetic volcanoes, Taupo Volcanic Zone, New Zealand : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Earth Science at Massey University, Palmerston North, New Zealand
In the past 350 ky, the Taupo Volcanic Zone (TVZ) has been the most productive silicic volcanic region in the world, with 12 silicic large-volume (35-2200 km³ DRE) caldera-forming eruptions and hundreds of predominantly silicic smaller-volume eruptions. These spatially and temporally scattered …
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The thermal evolution of subduction zone lithosphere: Evidence from the chemical development of Mt. Ruapehu and surrounding vents, New Zealand.
… located at the southwest termination of the Taupo Volcanic Zone (TVZ) in the North Island of New Zealand where the Pacific Plate subducts beneath the Australian Plate. Volcanism has migrated south with time as rifting from the Kermadec arc has propagated into the North Island lithosphere …
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The use of physical and chemical techniques in the identification of Tephera (volcanic ash) in the North Island, New Zealand
… in the Bay of Plenty, and the Tongariro and Taupo volcanic centres in the Central North Island. In particular, this thesis sought to resolve the problem of the identity of the Tirau and Mairoa Ash beds; whether they merely represent the products of pedogenesis of the same parent materials …
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Neogene paleomagnetism and geodynamics of the Hikurangi margin, East Coast, New Zealand
… of the North Island Dextral Fault Belt and the Taupo Volcanic Zone at 1-2 Ma instigated the current tectonic regime. Collision of the Hikurangi Plateau in the Late Miocene is interpreted to have caused both the initiation of tectonic rotation, and the widespread remagnetization of sediments, …
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HOLOCENE PALAEOCLIMATE RECONSTRUCTION FROM N EW ZEALAND PEATLANDS
… 14C years BP; 6,800-7,150 cal. years BP) and Taupo (1,850±10 14C years BP; 1,650-1,800 cal. years BP) tephras. 47 AMS radiocarbon ages contributed to the production of age-depth models. The peat humification records have a resolution of 20-30 years and are the first replicated records for this …
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