Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms
NGU conducted an airborne geophysical survey in Kvæfjord area in August 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results reported herein are 2190 line km.The Geotech Ltd. Hummingbird frequency domain system s...
Main Authors: | , , |
---|---|
Format: | Report |
Language: | English |
Published: |
2013
|
Subjects: | |
Online Access: | https://hdl.handle.net/11250/2664431 |
id |
ftnorgesgu:oai:openarchive.ngu.no:11250/2664431 |
---|---|
record_format |
openpolar |
spelling |
ftnorgesgu:oai:openarchive.ngu.no:11250/2664431 2023-05-15T17:05:44+02:00 Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms Ofstad, Frode Rodionov, Alexei Tassis, Georgios 13323 Tjeldsundet 13324 Harstad 2013 application/pdf https://hdl.handle.net/11250/2664431 eng eng NGU-Rapport (2012.055) (342900) MINN - Helikoptermålinger urn:issn:0800-3416 https://hdl.handle.net/11250/2664431 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no CC-BY 29 s. RADIOMETRI MAGNETOMETRI ELEKTROMAGNETISK MÅLING FLYMÅLING GEOFYSIKK Report 2013 ftnorgesgu 2022-07-03T15:26:27Z NGU conducted an airborne geophysical survey in Kvæfjord area in August 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results reported herein are 2190 line km.The Geotech Ltd. Hummingbird frequency domain system supplemented by optically pumped cesium magnetometer and 1024 channels RSX-5 spectrometer was used for data acquisition. The survey was flown with 200 m line spacing, line direction of 60\u00B0 NE-SW with the average speed 89 km\/h. The average terrain clearance of the bird was 51 m.Collected data were processed in NGU using Geosoft Oasis Montaj software. Raw total magnetic field data were corrected for diurnal variation and levelled using standard micro levelling algorithm. EM data were filtered and levelled using both automated and manual levelling procedure. Apparent resistivity was calculated from in-phase and quadrature data for each of the five frequencies separately using a homogeneous half space model. Apparent resistivity dataset was levelled and filtered. Radiometric data were processed using standard procedures recommended by International AtomicEnergy Association.All data were gridded with the cell size of 50 m and presented as a maps at the scale of 1:50 000. 60800 Report Kvæfjord Troms NGU Open Archive (Geological Survey of Norway) Kvæfjord ENVELOPE(16.184,16.184,68.772,68.772) Tjeldsundet ENVELOPE(16.394,16.394,68.560,68.560) |
institution |
Open Polar |
collection |
NGU Open Archive (Geological Survey of Norway) |
op_collection_id |
ftnorgesgu |
language |
English |
topic |
RADIOMETRI MAGNETOMETRI ELEKTROMAGNETISK MÅLING FLYMÅLING GEOFYSIKK |
spellingShingle |
RADIOMETRI MAGNETOMETRI ELEKTROMAGNETISK MÅLING FLYMÅLING GEOFYSIKK Ofstad, Frode Rodionov, Alexei Tassis, Georgios Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
topic_facet |
RADIOMETRI MAGNETOMETRI ELEKTROMAGNETISK MÅLING FLYMÅLING GEOFYSIKK |
description |
NGU conducted an airborne geophysical survey in Kvæfjord area in August 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results reported herein are 2190 line km.The Geotech Ltd. Hummingbird frequency domain system supplemented by optically pumped cesium magnetometer and 1024 channels RSX-5 spectrometer was used for data acquisition. The survey was flown with 200 m line spacing, line direction of 60\u00B0 NE-SW with the average speed 89 km\/h. The average terrain clearance of the bird was 51 m.Collected data were processed in NGU using Geosoft Oasis Montaj software. Raw total magnetic field data were corrected for diurnal variation and levelled using standard micro levelling algorithm. EM data were filtered and levelled using both automated and manual levelling procedure. Apparent resistivity was calculated from in-phase and quadrature data for each of the five frequencies separately using a homogeneous half space model. Apparent resistivity dataset was levelled and filtered. Radiometric data were processed using standard procedures recommended by International AtomicEnergy Association.All data were gridded with the cell size of 50 m and presented as a maps at the scale of 1:50 000. 60800 |
format |
Report |
author |
Ofstad, Frode Rodionov, Alexei Tassis, Georgios |
author_facet |
Ofstad, Frode Rodionov, Alexei Tassis, Georgios |
author_sort |
Ofstad, Frode |
title |
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
title_short |
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
title_full |
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
title_fullStr |
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
title_full_unstemmed |
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Kvæfjord area, Kvæfjord, Troms |
title_sort |
helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in kvæfjord area, kvæfjord, troms |
publishDate |
2013 |
url |
https://hdl.handle.net/11250/2664431 |
op_coverage |
13323 Tjeldsundet 13324 Harstad |
long_lat |
ENVELOPE(16.184,16.184,68.772,68.772) ENVELOPE(16.394,16.394,68.560,68.560) |
geographic |
Kvæfjord Tjeldsundet |
geographic_facet |
Kvæfjord Tjeldsundet |
genre |
Kvæfjord Troms |
genre_facet |
Kvæfjord Troms |
op_source |
29 s. |
op_relation |
NGU-Rapport (2012.055) (342900) MINN - Helikoptermålinger urn:issn:0800-3416 https://hdl.handle.net/11250/2664431 |
op_rights |
Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no |
op_rightsnorm |
CC-BY |
_version_ |
1766060452135043072 |