Science and Engineering
This community houses research from the Faculty of Science and Engineering at the University of Waikato.
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The International Global Change Institute (IGCI) [38]
The International Global Change Institute (IGCI) Community
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Antarctic Theses [47]
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Effective thermal conductivity prediction of foods using composition and temperature data
(Elsevier, 2016)Thermal conductivity data are important for food process modelling and design. Where reliable thermal conductivity data are not available, they need to be predicted. The most accurate ‘first approximation’ methodology for ... -
Towards industrial Al-Nb-B master alloys for grain refining Al-Si alloys
(2019)It has long been known that foundry Al-Si alloys cannot reliably and consistently be grain refined by means of Ti-containing master alloys due to reaction between Ti and Si. Over the last years we developed and studied new ... -
Total site utility system structural design using P-graph
(2018)This paper explores the macro optimisation decisions of energy sources selection and the structural design of the utility system within the framework of Total Site Heat Integration (TSHI). Most TSHI research on utility ... -
Foreword: Crossing new frontiers
(2018)The local organising committee (LOC), together with members of the executive committee of the International Focus Group on Tephrochronology and Volcanism (INTAV), warmly welcome you to this international field conference ... -
Airborne microbial transport limitation to isolated Antarctic soil habitats
(Nature Publishing Group, 2019)Dispersal is a critical yet poorly understood factor underlying macroecological patterns in microbial communities1. Airborne microbial transport is assumed to occupy a central role in determining dispersal outcomes2,3, and ... -
Evidence of plant and animal communities at exposed and subglacial (cave) geothermal sites in Antarctica
(Springer, 2018)Geothermal areas, such as volcanoes, might have acted as glacial microrefugia for a wide range of species. The heavily glaciated but volcanically active Antarctic continent presents an ideal system for assessing this ... -
Gait analysis of pedestrians with the aim of detecting disabled people
(Trans Tech Publications, 2018)Gait classification is an effective and non-intrusive method for human identification and it has received significant attention in the recent years due to its applications in visual surveillance and monitoring systems. We ... -
Trophic state assessment of global inland waters using a MODIS-derived Forel-Ule index
(Elsevier, 2018)Eutrophication of inland waters is considered a serious global environmental problem. Satellite remote sensing (RS) has been established as an important source of information to determine the trophic state of inland waters ... -
Stromatolite records of environmental change in perennially ice-covered Lake Joyce, McMurdo Dry Valleys, Antarctica
(Springer, 2018)Calcite-rich columnar stromatolites grew in perennially ice-covered Lake Joyce in the McMurdo Dry Valleys, Antarctica, during a period of environmental change associated with rising lake level. Stromatolite calcite contains ... -
Heat capacity changes for transition-state analogue binding and catalysis with human 5 '-methylthioadenosine phosphorylase
(American Chemical Society, 2017)Human 5′-methylthioadenosine phosphorylase (MTAP) catalyzes the phosphorolysis of 5′-methylthioadenosine (MTA). Its action regulates cellular MTA and links polyamine synthesis to S-adenosylmethionine (AdoMet) salvage. ... -
Historical translocations by Maori may explain the distribution and genetic structure of a threatened surf clam in Aotearoa (New Zealand)
(Nature Publishing Group, 2018)The population genetic structure of toheroa (Paphies ventricosa), an Aotearoa (New Zealand) endemic surf clam, was assessed to determine levels of inter-population connectivity and test hypotheses regarding life history, ... -
Historical anthropogenic heavy metal input to the south-eastern North Sea
(2019)The Helgoland Mud Area (HMA) in the German Bight, covering an area of approximately 500 km2, is one of a few depocentres for finer sediments in the North Sea. Radiocarbon and 210Pb analyses revealed continuous sedimentation ... -
Peat humification records from Restionaceae bogs in northern New Zealand as potential indicators of Holocene precipitation, seasonality, and ENSO
(Elsevier, 2019)In comparison with temperature reconstructions, New Zealand proxy records for paleo-precipitation are rare, despite the importance of precipitation in contemporary climate variability and for projected climate impacts. In ... -
A multi-lake comparative analysis of the General Lake Model (GLM): Stress-testing across a global observatory network
(Elsevier, 2018)The modelling community has identified challenges for the integration and assessment of lake models due to the diversity of modelling approaches and lakes. In this study, we develop and assess a one-dimensional lake model ... -
Kinetic and isotherm studies on adsorption of arsenic using silica based catalytic media
(Elsevier, 2019)This study investigates the removal of arsenic (both As (III) and As (V)) from drinking water using a silica based catalytic media (DMI-65). In this study, BET, FTIR, XRD, SEM and XRF were used to characterize the adsorbent ... -
Sediment deposition in the central Hauraki Gulf, New Zealand
(Springer, 2019)Based on the analysis of 14 short sediment cores, we present new insights into the distribution of surficial sediments in the central Hauraki Gulf, a semi-enclosed coastal embayment on the northeast coast of New Zealand’s ... -
New results for battery impedance at very low frequencies
(IEEE, 2019)In search of an equivalent circuit model for rechargeable batteries, many authors start with a measurement of battery impedance, spanning what is presumed to be the frequency range of interest. Various networks have been ... -
A multitone current sink for measuring impedance of in-use batteries
(2019)Measurement of impedance of rechargeable batteries at very low frequencies reveals valuable information relating to battery behaviour and condition. Until now, successful measurements have been made in the laboratory with ... -
Aqueous copper bioavailability linked to shipwreck-contaminated reef sediments
(Nature Publishing Group, 2019)Pollution from the grounding or sinking of ships can have long lasting effects on the recovery and dynamics of coastal ecosystems. Research on the impact of copper (Cu) pollution from the 2011 MV Rena shipwreck at the ... -
The role of tephras in developing a high-precision chronostratigraphy for palaeoenvironmental reconstruction and archaeology in southern Kyushu, Japan, since 30 cal. BP: an integration
(Elsevier, 2016)Tephras are important for the chronostratigraphy of palaeoenvironmental and archaeological records in southern Kyushu because numerous tephra beds enable these records to be connected and dated precisely using tephrochronology. ...
