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GSNI Tellus Regional Airborne Geophysical Survey - Radiometrics

This dataset presents the results of the Tellus Radiometric survey as xyz data. Channels in the dataset are: X: Grid Easting (m) Y: Grid Northing (m) LAT: WGS84 latitude in decimal degrees LONG: WGS84 longitude in decimal degrees FID: numerical sum of Julian day and seconds past previous midnight Flight: Flight number Day: Day number (Julian) Date: Date (YYYYMMDD) Time: Time (HHMMSS.SS) DIR: Flight direction (degrees clockwise) RALT: Radar altitude (m) BALT: Barometric altitude (m) TOUT: External temperature (degrees C) GPS_H: GPS altitude (m) above geoid (WGS84) DTM: Digital Terrain Model (m)

D_TOT_CPS: Total Counts (Ur units) meaning sum of all counts from 400 to 3000 keV D_TOT_NGY: Total counts (nGy/h = nanoGray per hour) expressed as air absorbed dose rate D_KAL: Potassium (%K) D_URA: Uranium (ppm, eU) D_THO: Thorium (ppm, eTh)

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Papildus informācija

Lauks Vērtība
Creation Date Jūnijs 3, 2016, 15:01 (UTC)
Topic Category
  • Boundaries
  • Environment
  • Geoscientific Information
  • Imagery / Base Maps / Earth Cover
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Information on survey, processing and data conditioning can be found in the following reports: Beamish, D.; Cuss, R.J.; Lahti, M.; Scheib, C.; Tartaras, E.. 2006 The Tellus airborne geophysical survey of Northern Ireland : final processing report. Nottingham, UK, British Geological Survey, 74pp. (IR/06/136) (Unpublished) http://nora.nerc.ac.uk/7427/ Beamish, D.; Cuss, R.J.; Lahti, M.. 2006 The Tellus Airborne Geophysical Survey of Northern Ireland. Phase 1, logistics report. Nottingham, UK, British Geological Survey, 55pp. (IR/06/032) (Unpublished) http://nora.nerc.ac.uk/7184/ Jones, D.G.; Scheib, C.. 2007 A preliminary interpretation of Tellus airborne radiometric data. British Geological Survey, 70pp. (CR/07/061N) (Unpublished) http://nora.nerc.ac.uk/16872/
Frequency of Update Irregular
Contact Name Alex Donald
Contact Email gsni@economy-ni.gov.uk
Papildus informācija

An airborne geophysical survey of the whole of Northern Ireland was flown by the Geological Survey of Northern Ireland in 2005 and 2006 as part of the Tellus project funded by the Department of Enterprise, Trade and Investment of Northern Ireland and by the Rural Development Programme through the Northern Ireland Programme for Building Sustainable Prosperity. Magnetic, electromagnetic and radiometric data were acquired at 200 m line spacing and a flying height of 56 m (240 m over built-up areas) using the Joint Airborne Capability of the British Geological Survey and the Geological Survey of Finland. In total, 82,000 line-km of data were acquired.
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