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Kulgemeyer, Tobias; Müller, Hendrik; von Dobeneck, Tilo; Bryan, Karin R; de Lange, Willem P; Battershill, Christopher N (2016): Electromagnetic and related benthic profiles from the Bay of Plenty, New Zealand. PANGAEA,, In supplement to: Kulgemeyer, T et al. (2017): Magnetic mineral and sediment porosity distribution on a storm-dominated shelf investigated by benthic electromagnetic profiling (Bay of Plenty, New Zealand). Marine Geology, 383, 78-98,

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Processed electromagnetic parameters (magnetic susceptibility and electric conductivity) along 33 profiles in the Bay of Plenty, New Zealand. Measurements were taken with the benthic profiler MARUM NERIDIS III. Related parameters are the porosity (according to Archie equation using standard values), concentration of stochiometric magnetite equivalent to the measured susceptibility, electric conductivity and temperature of bottom water (measured with on-board CTD), turbidity (measured with connected turbidity sensor), depth (two measurements with NERIDIS CTD and ship-mounted multibeam where available), relative backscatter (where available, measured with sidescan sonar), lithofacies (based on samples, see Kulgemeyer et al., 2016), distance along the profile, date (according to UTC) and time of the given day in ms (0 = UTC midnight), linenumber, location of points and individual point ID.
Median Latitude: -37.562602 * Median Longitude: 176.160738 * South-bound Latitude: -37.749015 * West-bound Longitude: 175.945307 * North-bound Latitude: -37.379239 * East-bound Longitude: 176.467921
Date/Time Start: 1970-01-01T00:00:00 * Date/Time End: 2012-11-27T00:00:00
Minimum DEPTH, water: -35.67 m * Maximum DEPTH, water: -2.88 m
BoP-track * Latitude Start: -37.559480 * Longitude Start: 176.084920 * Latitude End: -37.603090 * Longitude End: 176.244730 * Location: Bay of Plenty * Method/Device: EM Profiler, NERIDIS II (NER-II)
-Lithofacies 1: A fine sand mostly comprised of quartz and feldspars, ca. 2.5% mafic minerals (pyroxene, hornblende,
biotite, opaque minerals) and volcanic glass.
-Lithofacies 2a: Medium quartz/feldspar sand with ca. 5% mafic minerals and a small amount of volcanic glass.
- Lithofacies 2b: Medium sand without volcanic glass.
- Lithofacies 3a: Coarse sand, similar in composition to lithofacies 2b with additional rock fragments.
- Lithofacies 3b: Coarse to very coarse sand variant of lithofacies 3a.
- Lithofacies 4: Medium sand mixture of terrigenous components comparable to lithofacies 2b and bioclastics (shell fragments).
- Lithofacies 5: A coarse sand, composed of siliciclastics comparable to lithofacies 3a and biogenic debris derived from bivalves and sponges. Pebble-sized and larger rock fragments are common.
- Lithofacies 6: A shell detritus layer covering an unidentified substrate.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1LONGITUDELongitudeKulgemeyer, TobiasGeocode
2LATITUDELatitudeKulgemeyer, TobiasGeocode
3IdentificationIDKulgemeyer, TobiasPoint ID
4LineLineKulgemeyer, Tobias
5SusceptibilitySusceptsensor valuesKulgemeyer, Tobiaselectromagnetic
6Conductivity, electricalCond electrmS/mKulgemeyer, TobiasCTD
7PorosityPoros% volKulgemeyer, Tobias
8MagnetiteFe3O4%Kulgemeyer, TobiasMagnetite concentration
9ConductivityCondmS/cmKulgemeyer, TobiasCTD
10Turbidity (Formazin Turbidity Unit)TurbidityFTUKulgemeyer, Tobias
11Temperature, waterTemp°CKulgemeyer, TobiasCTD
12DEPTH, waterDepth watermKulgemeyer, TobiasGeocode – CTD
13Depth, bathymetricBathy depthmKulgemeyer, TobiasMultibeam depth
14Lithology/composition/faciesLithologyKulgemeyer, Tobias
15BackscatterBackscKulgemeyer, Tobiasrelative
16DistanceDistancemKulgemeyer, Tobias
17DATE/TIMEDate/TimeKulgemeyer, TobiasGeocode
18Time of dayTime of dayKulgemeyer, Tobiasms
6103235 data points

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