Citation:

PANGAEA.962015

Name: Magnetic processed data (Proton precession magnetometer working area dataset) of RV HAKUHO MARU during cruise KH-01-3, gridded magnetic anomaly
Creator: Kyoko Okino
Published: 2023-09-06
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2023-09-06 • DOI registered: 2023-10-05

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Abstract:

Geophysical data (magnetics and gravity) were collected in the AAD (Australian-Antarctic Discordance) area by R/V Hakuho-maru KH-01-3 cruise Leg 3 in 2002. The focused survey area ranges from 123.5°E to 125.5°E and from 50°S and 48°S, along the Southeast Indian Ridge. The total magnetic field was measured using a proton precession magnetometer towed behind the ship.

Coverage:

Median Latitude: -42.795765 * Median Longitude: 142.967465 * South-bound Latitude: -43.824210 * West-bound Longitude: 139.963740 * North-bound Latitude: -41.767320 * East-bound Longitude: 145.971190

Date/Time Start: 2002-01-27T10:30:20 * Date/Time End: 2002-02-09T07:13:15

Event(s):

KH-01-3_Underway-2 * Latitude Start: -43.824210 * Longitude Start: 145.971190 * Latitude End: -41.767320 * Longitude End: 139.963740 * Date/Time Start: 2002-01-27T10:30:20 * Date/Time End: 2002-02-09T07:13:15 * Campaign: * Basis: Hakuho-Maru * Method/Device:

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device
1	Binary Object	Binary		Okino, Kyoko
2	Binary Object (Media Type)	Binary (Type)		Okino, Kyoko
3	Binary Object (File Size)	Binary (Size)	Bytes	Okino, Kyoko
4	Raster cell size	Raster cell size		Okino, Kyoko	Extracted from file
5	File content	Content		Okino, Kyoko
6	Horizontal datum	Horizontal datum		Okino, Kyoko
7	Horizontal datum, projection stored in file	Horizontal datum in file		Okino, Kyoko	Extracted from file
8	Longitude, westbound	Longitude west		Okino, Kyoko	Extracted from file
9	Longitude, eastbound	Longitude east		Okino, Kyoko	Extracted from file
10	Latitude, southbound	Latitude south		Okino, Kyoko	Extracted from file
11	Latitude, northbound	Latitude north		Okino, Kyoko	Extracted from file
12	Elevation, minimum	Elev min	m a.s.l.	Okino, Kyoko	Extracted from file
13	Elevation, maximum	Elev max	m a.s.l.	Okino, Kyoko	Extracted from file

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)

Size:

22 data points

Data

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1 Binary	2 Binary (Type)	3 Binary (Size) [Bytes]	4 Raster cell size	5 Content	6 Horizontal datum	7 Horizontal datum in file	8 Longitude west	9 Longitude east	10 Latitude south	11 Latitude north	12 Elev min [m a.s.l.]	13 Elev max [m a.s.l.]
KH-01-3_areaB_magnetization.grd	application/x-netcdf	228.2 kBytes	0.008333deg	Calculated equivalent magnetization, assuming a uniformly magnetized 0.5km-thick layer draping seafloor morphology. Grid interval is 0.5 arcmin. Unit is [A/m].	EPSG:4326	None	123.5	125.5	-50	-48	-15	21
KH-01-3_areaB_maganom.grd	application/x-netcdf	228.2 kBytes	0.008333deg	Gridded magnetic anomaly for area B. Total magnetic field data obtained in the cruise was cleaned, and subtracted IGRF2000. Diurnal correction was done using the magnetic observatory data at Macquarie Island (see Okino et al (2004) for details). Grid interval is 0.5 arcmin. Unit is [nT].	EPSG:4326	None	123.5	125.5	-50	-48	-530	374