BGS Hosted Metadata
Processed line aeromagnetic data over the Pine Island Glacier basin (2004/05 season)
During the austral summer of 2004/05 a collaborative US/UK field campaign undertook a systematic geophysical survey of the entire Amundsen Sea embayment using comparable airborne survey systems mounted in Twin Otter aircraft. Here we present the portion of the survey covering the Pine Island Glacier basin led by British Antarctic Survey. Operating from a temporary field camp (PNE, S 77deg34' W 095deg56'); we collected ~ 35,000 km of airborne survey data. Our aircraft was equipped with dual-frequency carrier-phase GPS for navigation, radar altimeter for surface mapping, wing-tip magnetometers, gravity meter, and a new ice-sounding radar system (PASIN). We present here the processed line aeromagnetic data collected using scintrex cesium magnetometers mounted on the BAS aerogeophysically equiped Twin Otter.
Data are provided as XYZ ASCII line data.
Simple
- Date (Creation)
- 2019-12-03
- Date (Revision)
- 2019-12-03
- Date (Publication)
- 2019-12-03
- Date (released)
- 2019-12-03
- Edition
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1.0
- Unique resource identifier
- https://doi.org/10.5285/485e6b9b-d033-441f-8c98-b2d0efcb1d63
- Codespace
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doi
- Unique resource identifier
- GB/NERC/BAS/PDC/01268
- Codespace
- Other citation details
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Please cite this item as: Ferraccioli, F. (2020). Processed line aeromagnetic data over the Pine Island Glacier basin (2004/05 season) (Version 1.0) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/485e6b9b-d033-441f-8c98-b2d0efcb1d63
- Credit
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No credit.
- Status
- Completed
- Point of contact
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Organisation name Individual name Electronic mail address Role British Antarctic Survey Ferraccioli, Fausto Author NERC EDS UK Polar Data Centre Point of contact
- Maintenance and update frequency
- As needed
- Maintenance note
- Completed
- Theme
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Aerogeophysical
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Aeromagnetics
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Antarctic
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- Place
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The Pine Island Glacier basin Antarctica
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GEMET - INSPIRE themes, version 1.0
- Access constraints
- Other restrictions
- Other constraints
- no limitations to public access
- Access constraints
- Other restrictions
- Other constraints
- no limitations
- Use constraints
- License
- Other constraints
- Open Government Licence v3.0
- Use constraints
- Other restrictions
- Other constraints
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This data is governed by the NERC Data Policy: https://www.ukri.org/who-we-are/nerc/our-policies-and-standards/nerc-data-policy/
- Use constraints
- Other restrictions
- Other constraints
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Further by downloading this data the user acknowledges that they agree with the NERC data policy (), and the following conditions:
1. To cite the data in any publication as follows:
Ferraccioli, F. (2020). Processed line aeromagnetic data over the Pine Island Glacier basin (2004/05 season) [Data set]. UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation. https://doi.org/10.5285/485E6B9B-D033-441F-8C98-B2D0EFCB1D63
2. The user recognizes the limitations of data. Use of the data is at the users' own risk, and there is no warranty as to the quality or accuracy of any data, or the fitness of the data for your intended use. The data are not necessarily fully quality assured and cannot be expected to be free from measurement uncertainty, systematic biases, or errors of interpretation or analysis, and may include inaccuracies in error margins quoted with the data.
- Unique resource identifier
- url
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url
- Association Type
- Cross reference
- Unique resource identifier
- url
- Codespace
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url
- Association Type
- Cross reference
- Unique resource identifier
- doi
- Codespace
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doi
- Association Type
- Cross reference
- Unique resource identifier
- doi
- Codespace
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doi
- Association Type
- Cross reference
- Unique resource identifier
- url
- Codespace
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url
- Association Type
- Cross reference
- Spatial representation type
- Text, table
- Language
- English
- Character set
- UTF8
- Topic category
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- Geoscientific information
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- Begin date
- 2004-12-11
- End date
- 2005-01-18
- Supplemental Information
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It is recommended that careful attention be paid to the contents of any data, and that the author be contacted with any questions regarding appropriate use. If you find any errors or omissions, please report them to polardatacentre@bas.ac.uk.
- Title
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European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
- Date (Publication)
- 2008-11-12
- Cited responsible party
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Organisation name Individual name Electronic mail address Role European Petroleum Survey Group
Publisher
- Unique resource identifier
- urn:ogc:def:crs:EPSG::3031
- Version
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6.18.3
Distributor
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS UK Polar Data Centre Distributor
- Distributor format
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Name Version text/plain
- Units of distribution
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bytes
- Transfer size
- 146800640
- OnLine resource
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Protocol Linkage Name WWW:LINK-1.0-http--link
https://ramadda.data.bas.ac.uk/repository/entry/show?entryid=485e6b9b-d033-441f-8c98-b2d0efcb1d63 Get Data
- Hierarchy level
- Dataset
- Statement
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Methodology:
BBAS aeromagnetic dataset available here includes all channels from raw through to levelled, and microlevelled products. Channel naming follows SCAR/ADMAP2 data release protocols, although the order of processing steps differs from that outlined by ADMAP2 documentation.
Note in the database split by line the sections are defined as follows L= main survey grid lines, T=main survey tie lines, P= Components of high resolution sub-grid.
Magnetic data channels and processing flow:
MagR- Raw magnetic total field intensity data (nT).
MagC- Compensated, or low pass filtered magnetic data (nT). Adjustments to compensate for aircraft roll, pitch and yaw were applied (see Ferraccioli et al, 2007 for details).
RefField- Geomagnetic reference field value for which the magnetic data has been compensated. IGRF model 2005 as implemented in Geosoft (nT).
MagRTC- Compensated magnetic value adjusted for Tip tanks (where used) and geomagnetic reference field values. MagRTC= MagR- RefField (nT).
BCorr- Low pass filtered (60 minute) magnetic base station correction. Data from three base stations were used for different portions of the survey (BCorr_AGAP_N, BCorr_AGAP_S, BCorr_AGAP_SP), along with a merged value between North and South base stations (BCorr_AGAP_NS).
MagBRTC- calculated as MagBRTC= MagRTC- Bcorr (nT).
ACorr- Additional correction applied to compensate for heading errors.
MagF- Final mag value before levelling (nT).
MagL- Statistically levelled mag data (nT).
MagML- Microlevelled magnetic data following technique of (Ferraccioli et al., 1998) (nT). Note tie lines are not included in the microlevelled data channel
Basic channel description:
Line name Line Number
Flight ID Sequential flight number
x x projected meters*
y y projected meters*
Lon Longitude WGS 1984,
Lat Latitude WGS 1984,
Height_WGS1984 Aircraft altitude (meters) in WGS 1984,
Date Date of flight in time format e.g. 2006/01/08
Time Time (UTC) of flight e.g. 23:52:42.0
*Projected coordinates (x and y) are in Polar Stereographic defined as follows:
Latitude of natural origin: -71
Longitude of natural origin: 0
Scale factor at natural origin 0.994
False easting 0
False northing 2082760.109
Metadata
- File identifier
- 485e6b9b-d033-441f-8c98-b2d0efcb1d63 XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Hierarchy level name
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dataset
- Date stamp
- 2019-12-03
- Metadata standard name
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ISO 19115 Geographic Information - Metadata
- Metadata standard version
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ISO 19115:2003(E)
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS UK Polar Data Centre Point of contact
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