Search Results - "Ingham, Malcolm"

Deep electrical structure of the central volcanic region and taupo volcanic zone, New Zealand by INGHAM, Malcolm

“…Magnetotelluric measurements have been made along a transect crossing the Central Volcanic Region (CVR) and Taupo Volcanic Zone (TVZ) of the North Island of…”
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The effect of disseminated ironsands on the spectral induced polarization response of New Zealand sands by Ingham, Malcolm

“…The effect of naturally occurring ironsand on the spectral induced polarization response of shallow aquifer sands has been investigated. Laboratory…”
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Seasonal saline intrusion monitoring of a shallow coastal aquifer using time‐lapse DC resistivity traversing by Sutter, Eva, Ingham, Malcolm

“…ABSTRACT Long‐term time‐lapse DC resistivity measurements along six 145‐ to 275‐m‐long transects have been carried out to image seasonal changes in the…”
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Spectral‐induced polarization measurements on sieved sands and the relationship to permeability by Joseph, Sheen, Ingham, Malcolm, Gouws, Gideon

“…Laboratory measurements of the permeability and spectral‐induced polarization (SIP) response of samples consisting of unconsolidated sands typical of those…”
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Magnetotelluric sounding of the Hikurangi Margin, New Zealand by Ingham, Malcolm, Whaler, Kathy, McKnight, Don

“…Summary Magnetotelluric soundings from 30 sites on the Hikurangi Margin have been used to image the electrical resistivity structure associated with the…”
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Spectral Induced Polarization measurements on New Zealand sands ‐ dependence on fluid conductivity by Joseph, Sheen, Ingham, Malcolm, Gouws, Gideon

“…ABSTRACT Spectral induced polarization (SIP) measurements explore the variation of the complex conductivity (σ*) of a material with frequency. Much of this…”
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Measuring and monitoring saltwater intrusion in shallow unconfined coastal aquifers using direct current resistivity traverses by Ingham, M., McConchie, J. A., Wilson, S. R., Cozens, N.

“…Saltwater intrusion into coastal aquifers is potentially a major problem in New Zealand, as in other areas around the world. Saline intrusion is usually…”
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In situ field measurements of the temporal evolution of low-frequency sea-ice dielectric properties in relation to temperature, salinity, and microstructure by O'Sadnick, Megan, Ingham, Malcolm, Eicken, Hajo, Pettit, Erin

“…The seasonal evolution of sea-ice microstructure controls key ice properties, including those governing ocean–atmosphere heat and gas exchange, remote-sensing…”
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A magnetotelluric study of Mount Ruapehu volcano, New Zealand by Ingham, M. R., Bibby, H. M., Heise, W., Jones, K. A., Cairns, P., Dravitzki, S., Bennie, S. L., Caldwell, T. G., Ogawa, Y.

“…Mt Ruapehu is an active andesite cone volcano, which marks the southern termination of the Kermadec volcanic arc. Results from 40 broad-band magnetotelluric…”
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High resolution electrical imaging of fault zones by Ingham, Malcolm

“…Two-dimensional numerical modelling studies of a generic conductive fault zone indicate that very closely spaced TM mode magnetotelluric (MT) data are capable…”
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Behaviour of the geomagnetic field during the Matuyama–Brunhes polarity transition by Ingham, Malcolm, Turner, Gillian

“…The ability to derive Gauss coefficients, up to and including degree 3, and their variation through a geomagnetic polarity transition is studied using…”
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Subsurface structure across the axis of the Tongariro Volcanic Centre, New Zealand by Cassidy, John, Ingham, Malcolm, Locke, Corinne A., Bibby, Hugh

“…The relationship between structure and volcanism in the Tongariro Volcanic Centre, New Zealand, is largely masked by a mantle of young volcanic deposits. Here…”
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Cross-borehole resistivity tomography of sea ice by Ingham, Malcolm, Pringle, Daniel, Eicken, Hajo

“…The presence of brine inclusions with an alignment that is preferentially vertical means that the bulk resistivity structure of sea ice is anisotropic. This…”
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Sea ice growth rates from tide‐driven visible banding by Turner, Kate E., Smith, Inga J., Tison, Jean‐Louis, Verbeke, Véronique, McGuinness, Mark, Ingham, Malcolm, Vennell, Ross, Trodahl, Joe

“…In this paper, periodic tide‐current‐driven banding in a sea‐ice core is demonstrated as a measure of the growth rate of first‐year sea ice at congelation‐ice…”
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Editor's introduction by Ingham, Malcolm, Zhadanov, Michael

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Editor's introduction by Ingham, Malcolm, Zhadanov, Michael

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Magnetotelluric soundings across the South Island of New Zealand: electrical structure associated with the orogen of the Southern Alps by Ingham, Malcolm

“…Magnetotelluric soundings have been made at 31 locations on two transects across the central part of the South Island of New Zealand. The calculated impedance…”
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A magnetotelluric study of the Alpine Fault, New Zealand by Ingham, Malcolm, Brown, Colin

“…Magnetotelluric soundings have been made at seven locations on a 4 km profile crossing the Alpine Fault in the South Island of New Zealand. The ‘distortion’…”
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Magnetotelluric soundings across the southern Alps orogen, South Island of New Zealand: data presentation and preliminary interpretation by Ingham, Malcolm

“…As part of a major geophysical study of the orogen of the Southern Alps, magnetotelluric soundings have been made on two transects across the South Island of…”
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Editorial: 11th Workshop on Electromagnetic Induction in the Earth by Ingham, Malcolm

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