Verzhbitsky, Evgeny V (1991): Heat flow in the Central Basin of the Indian Ocean and the northern part of the Afanasy Nikitin Rise [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.759008, Supplement to: Verzhbitsky, EV (1991): Heat flux in the Central Basin of the Indian Ocean. Oceanology, 31(5), 583-588
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Abstract:
Heat flux data obtained during Cruise 20 of R/V Akademik Mstislav Keldysh in the Central Basin of the Indian Ocean and northern part of the Afanasy Nikitin Rise are presented. Thermal conditions on the rise are not associated with an anomalous zone of the large tectonic deformation block north of it. Geothermal data indicate that the Afanasy Nikitin Rise has formed near an ancient spreading axis. Distribution of measured heat flux values indicates an additional source of heat in the Central Basin resulting from dissipative heating of the crust in the two-stage plate tectonics model.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: -3.347567 * Median Longitude: 82.686733 * South-bound Latitude: -3.416667 * West-bound Longitude: 82.341333 * North-bound Latitude: -3.118000 * East-bound Longitude: 83.709333
Minimum Elevation: -4910.0 m * Maximum Elevation: -4418.0 m
Event(s):
AMK20-2136 * Latitude: -3.374167 * Longitude: 82.341333 * Elevation: -4910.0 m * Location: Indian Ocean * Campaign: AMK20 * Basis: Akademik Mstislav Keldysh * Method/Device: Thermistor Gravity Corer (TGC)
AMK20-2140-1 * Latitude: -3.414000 * Longitude: 82.453000 * Elevation: -4419.0 m * Location: Indian Ocean * Campaign: AMK20 * Basis: Akademik Mstislav Keldysh * Method/Device: Thermistor Gravity Corer (TGC)
AMK20-2140-2 * Latitude: -3.416667 * Longitude: 82.463333 * Elevation: -4418.0 m * Location: Indian Ocean * Campaign: AMK20 * Basis: Akademik Mstislav Keldysh * Method/Device: Thermistor Gravity Corer (TGC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Temperature (thermal) gradient | T grad | 10-3 °C/cm | Verzhbitsky, Evgeny V | Thermogradient meter | |
| 6 | Conductivity, thermal | k | W/m/K | Verzhbitsky, Evgeny V | Thermal conductive detector (TCD) | |
| 7 | Heat flow | HF | mW/m2 | Verzhbitsky, Evgeny V | Calculated | |
| 8 | Heat flow, standard deviation | HF std dev | ± | Verzhbitsky, Evgeny V | Calculated | |
| 9 | Heat flow | HF | mW/m2 | Verzhbitsky, Evgeny V | Calculated | corrected for sedimentation and differences in thermal conductivity |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
25 data points