A geomagnetic activity forecast for improving the efficiency of aeromagnetic surveys in Greenland

Details A geomagnetic activity forecast for improving the efficiency of aeromagnetic surveys in Greenland A geomagnetic activity forecast for improving the efficiency of aeromagnetic surveys in Greenland

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011adspr..47.2172w&link_type=abstract

Advances in Space Research, Volume 47, Issue 12, p. 2172-2181.

Computer Science

Performance

Scientific paper

In recent years several aeromagnetic surveys were carried out in Greenland and more will be carried out in the future. We describe some of the characteristics pertinent to surveys in Greenland and the problems faced and experiences made by the survey teams working there, with special emphasis on the west coast where most surveys were conducted. Both unfavorable terrestrial weather and space weather appear to complicate survey planning. We discuss possible options available to the survey teams for mitigating the adverse effect of part of the problems, namely survey data contamination by intense geomagnetic activity. The implementation of a prototype geomagnetic activity forecast service as an aid to planning survey flights is discussed in more detail. The forecast service was tested by an independent observer, and the performance of the scheme is evaluated by a subsequent comparison between forecast and actual measurements. The comparison rendered largely acceptable results, but their validity is limited by the fact that the two-month test interval was characterized by a mostly relatively quiet magnetic field.

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