@article{d0941da89c43404c85de50afd044b712,
title = "A new aeromagnetic survey of the North Pole and the Arctic Ocean north of Greenland and Ellesmere Island",
abstract = "We present a preliminary analysis of more than 50,000 km of aeromagnetic survey lines flown in the Arctic Ocean, acquired in 2009 with an optically pumped scalar magnetometer as part of the airborne geophysical survey 'LOMGRAV'. From the observations we removed main and magnetospheric fields as given by the CHAOS-3 field model (Olsen et al., 2010) and remaining external fields as monitored by the Canadian magnetic observatory Alert. The reduced data were levelled based on cross-over differences at line intersections. Finally, a grid was computed, upward continued by 3500 m and compared with the EMAG2 grid (Maus et al., 2009), showing a good general agreement but also areas with systematic differences. The obtained data are expected to be part of the next version of the World Digital Magnetic Anomaly Map (WDMAM).",
keywords = "Aeromagnetic survey, Arctic ocean, Ellesmere island, Greenland, WDMAM",
author = "J{\"u}rgen Matzka and Rasmussen, \{Thorkild M.\} and Olesen, \{Arne V.\} and Nielsen, \{Jens Emil\} and Ren{\'e} Forsberg and Nils Olsen and John Halpenny and Jacob Verhoef",
note = "Funding Information: Acknowledgments. The LOMGRAV project is financed by the Government of Canada and the Continental Shelf Project of the Kingdom of Denmark. We thank the Polar Continental Shelf Project (NRCan) and the Department of National Defence (Canada) for access to Eureka and Alert and the Defence Command Denmark for access to Station Nord. The geomagnetic observatory at Alert is operated by the Geological Survey of Canada (Natural Resources Canada) and we thank Lorne McKee and David Calp for providing scalar data from Alert. We thank Mark Pilkington and Rick Saltus for their helpful comments on the manuscript.",
year = "2010",
doi = "10.5047/eps.2010.07.002",
language = "English",
volume = "62",
pages = "829--832",
journal = "Earth, Planets and Space",
issn = "1343-8832",
publisher = "Springer",
number = "10",
}