High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season)
A high resolution survey was flown opportunistically by BAS at the end of the AGAP aerogeophysical campaign during the 2008-09 Antarctic field season with NSF support from McMurdo. The main purpose was to collect data on the ice shelf for a radar pre-site survey for a major planned international AND...
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Format: | Dataset |
Language: | English |
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UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation
2020
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Online Access: | https://dx.doi.org/10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/01341 |
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ftdatacite:10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef |
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openpolar |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
"EARTH SCIENCE","SOLID EARTH","GEOMAGNETISM","MAGNETIC ANOMALIES" "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS" Aerogeophysics Aeromagnetics Antarctica |
spellingShingle |
"EARTH SCIENCE","SOLID EARTH","GEOMAGNETISM","MAGNETIC ANOMALIES" "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS" Aerogeophysics Aeromagnetics Antarctica Ferraccioli, Fausto Jordan, Tom High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
topic_facet |
"EARTH SCIENCE","SOLID EARTH","GEOMAGNETISM","MAGNETIC ANOMALIES" "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS" Aerogeophysics Aeromagnetics Antarctica |
description |
A high resolution survey was flown opportunistically by BAS at the end of the AGAP aerogeophysical campaign during the 2008-09 Antarctic field season with NSF support from McMurdo. The main purpose was to collect data on the ice shelf for a radar pre-site survey for a major planned international ANDRILL drilling campaign at Coulman High. Due to lack of appropriate funding levels from several countries this ANDRILL drilling project has been postponed (https://www.icdp-online.org/projects/world/antarctica/coulman-high/) but the site remains nevertheless a potentially interesting target for future geoscience studies. The Coulman High project aimed to explore the range of paleo-environments, ecosystems and tectonic events that affected the Ross Sea region as it transitioned from the warm, high-CO2 Greenhouse world typical of the Eocene into the lower-CO2 and highly variable Icehouse conditions of the Oligocene and early Miocene. The aeromagnetic data released here can be used together with more extensive pre-existing international datasets to help study rift-related magmatism, faulting and sedimentary basins in the region. : The ANDRILL aeromagnetic dataset includes all channels from raw through to levelled and microlevelled products. This survey forms part of the ANDRILL-UK Coulman high project investigation. Information about this project can be found at http://www.andrill.org/static/CH_Science.html. Channel naming follows SCAR/ADMAP2 data release protocols. Key data processing steps are described below, and a definition of all channels is in the table. Note in the database split by line the sections are defined as follows L= main survey grid lines, T=main survey tie lines. Magnetic data channels and processing flow: MagR- Raw magnetic total field intensity data (nT). TCorr-Corrections applied for tip tank events. MagR_TCorr- MagR corrected for tip tank events. RefField- Geomagnetic reference field value for which the magnetic data has been compensated. IGRF model 2005 as implemented in Geosoft (nT). MagRT- Raw magnetic value adjusted for Tip tank events and geomagnetic reference field values. MagRT= MagR_TCorr- RefField. BCorr- Low pass filtered (60 minute) magnetic base station correction. MagBRT- calculated as MagBRT= MagRT- Bcorr. MagF- Final mag value before levelling. No additional corrections applied so MagF=MagBRT MagL- Statistically levelled mag data. MagML- Microlevelled magnetic data following technique of (Ferraccioli et al., 1998). 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 Lambert conic conformal with two standard parallels defined as follows: Latitude of false origin: -74.018118 Longitude of false origin: 179 Latitude of 1st standard parallel -72.66666666667 Latitude of 2nd standard parallel -75.33333333333 False easting 1444000 False northing 1123000 Positioning for the ANDRILL HRAM survey uses kinematic differential GPS. |
format |
Dataset |
author |
Ferraccioli, Fausto Jordan, Tom |
author_facet |
Ferraccioli, Fausto Jordan, Tom |
author_sort |
Ferraccioli, Fausto |
title |
High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
title_short |
High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
title_full |
High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
title_fullStr |
High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
title_full_unstemmed |
High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) |
title_sort |
high resolution aeromagnetic line data in the ross sea rift collected for the andrill pre-site survey (2008-09 season) |
publisher |
UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation |
publishDate |
2020 |
url |
https://dx.doi.org/10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/01341 |
geographic |
Antarctic Ross Sea |
geographic_facet |
Antarctic Ross Sea |
genre |
Antarc* Antarctic Antarctica Ice Shelf Ross Sea |
genre_facet |
Antarc* Antarctic Antarctica Ice Shelf Ross Sea |
op_relation |
https://www.icdp-online.org/projects/world/antarctica/mcmurdo/ https://dx.doi.org/10.1046/j.1365-2478.1998.00080.x https://www.icdp-online.org/projects/world/antarctica/mcmurdo/ |
op_rights |
Open Government Licence V3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ |
op_doi |
https://doi.org/10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef https://doi.org/10.1046/j.1365-2478.1998.00080.x |
_version_ |
1766094921028075520 |
spelling |
ftdatacite:10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef 2023-05-15T13:37:37+02:00 High resolution aeromagnetic line data in the Ross Sea Rift collected for the ANDRILL pre-site survey (2008-09 season) Ferraccioli, Fausto Jordan, Tom 2020 text/plain https://dx.doi.org/10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef https://data.bas.ac.uk/full-record.php?id=GB/NERC/BAS/PDC/01341 en eng UK Polar Data Centre, Natural Environment Research Council, UK Research & Innovation https://www.icdp-online.org/projects/world/antarctica/mcmurdo/ https://dx.doi.org/10.1046/j.1365-2478.1998.00080.x https://www.icdp-online.org/projects/world/antarctica/mcmurdo/ Open Government Licence V3.0 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ "EARTH SCIENCE","SOLID EARTH","GEOMAGNETISM","MAGNETIC ANOMALIES" "EARTH SCIENCE","CRYOSPHERE","GLACIERS/ICE SHEETS" Aerogeophysics Aeromagnetics Antarctica dataset Dataset Aerogeophysics,Aeromagnetics,Antarctica 2020 ftdatacite https://doi.org/10.5285/74df4192-7c80-4ffa-b890-4b344cfc1bef https://doi.org/10.1046/j.1365-2478.1998.00080.x 2021-11-05T12:55:41Z A high resolution survey was flown opportunistically by BAS at the end of the AGAP aerogeophysical campaign during the 2008-09 Antarctic field season with NSF support from McMurdo. The main purpose was to collect data on the ice shelf for a radar pre-site survey for a major planned international ANDRILL drilling campaign at Coulman High. Due to lack of appropriate funding levels from several countries this ANDRILL drilling project has been postponed (https://www.icdp-online.org/projects/world/antarctica/coulman-high/) but the site remains nevertheless a potentially interesting target for future geoscience studies. The Coulman High project aimed to explore the range of paleo-environments, ecosystems and tectonic events that affected the Ross Sea region as it transitioned from the warm, high-CO2 Greenhouse world typical of the Eocene into the lower-CO2 and highly variable Icehouse conditions of the Oligocene and early Miocene. The aeromagnetic data released here can be used together with more extensive pre-existing international datasets to help study rift-related magmatism, faulting and sedimentary basins in the region. : The ANDRILL aeromagnetic dataset includes all channels from raw through to levelled and microlevelled products. This survey forms part of the ANDRILL-UK Coulman high project investigation. Information about this project can be found at http://www.andrill.org/static/CH_Science.html. Channel naming follows SCAR/ADMAP2 data release protocols. Key data processing steps are described below, and a definition of all channels is in the table. Note in the database split by line the sections are defined as follows L= main survey grid lines, T=main survey tie lines. Magnetic data channels and processing flow: MagR- Raw magnetic total field intensity data (nT). TCorr-Corrections applied for tip tank events. MagR_TCorr- MagR corrected for tip tank events. RefField- Geomagnetic reference field value for which the magnetic data has been compensated. IGRF model 2005 as implemented in Geosoft (nT). MagRT- Raw magnetic value adjusted for Tip tank events and geomagnetic reference field values. MagRT= MagR_TCorr- RefField. BCorr- Low pass filtered (60 minute) magnetic base station correction. MagBRT- calculated as MagBRT= MagRT- Bcorr. MagF- Final mag value before levelling. No additional corrections applied so MagF=MagBRT MagL- Statistically levelled mag data. MagML- Microlevelled magnetic data following technique of (Ferraccioli et al., 1998). 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 Lambert conic conformal with two standard parallels defined as follows: Latitude of false origin: -74.018118 Longitude of false origin: 179 Latitude of 1st standard parallel -72.66666666667 Latitude of 2nd standard parallel -75.33333333333 False easting 1444000 False northing 1123000 Positioning for the ANDRILL HRAM survey uses kinematic differential GPS. Dataset Antarc* Antarctic Antarctica Ice Shelf Ross Sea DataCite Metadata Store (German National Library of Science and Technology) Antarctic Ross Sea |