Arctic Field Projects

Project Title: Greenland Magnetometer Array (Award# MagnetometerDTU)

PI: Naemi Willer, Anna (
Institute/Department: DTU Space, Technical University of Denmark,  
IPY Project?
Funding Agency: DK\Research/Higher Ed\DTU\DNSC
Program Manager: Dr. Jennifer Mercer (
Discipline(s): | Space Physics |

Project Web Site(s):

Science Summary:
The project plans to install a magnetometer at Summit Station to investigate geomagnetic variations in Central Greenland in support of two projects with complementary scientific aims: (1) Project IceBase is a high altitude geomagnetic survey to be proposed by a consortium around Goddard Space Flight Center to NASA to investigate the geothermal heat flux below the Greenland ice cap. The project aims at producing a Greenland-wide map of magnetic crust depth (Curie-depth), indicative for geothermal heat flux. The derived heat flux map is a boundary condition for ice sheet models to improve, among other things, estimates for global sea level rise due to melting of the Greenland ice sheet. Ground magnetometers are critical when correcting the survey data for natural geomagnetic time variations. Data from Summit Station, due to its location in Central Greenland, in combination with the below mentioned array, is crucial here. (2) The Greenland Magnetometer Array operated by DTU Space is a permanent array of some 15 magnetometer stations located on the Greenland East and West Coasts. The array is ideal for investigating the polar ionospheric current systems and processes related to the coupling of energy and momentum from the solar wind to the magnetosphere and ionosphere. Data is interpreted in combination with satellite data (e.g. NASA's Themis mission, ESA's Cluster mission), or with conjugate stations from Antarctica. The proposed Summit magnetometer experiment will, apart from improved geographical coverage, provide data from the electrically insulating ice cap. This data will be less affected by induced electric currents in surrounding oceans and underlying bedrock than the coastal stations, thus improving the scientific value of the array data as a whole.

Logistics Summary:
Participants in this Danish Technical University (DTU) funded project will install and collect data from a magnetometer at Summit Station to investigate geomagnetic variations in Central Greenland. The funding period for this grant begins in 2014 and ends in 2020. From 2014 to 2020, project personnel may visit Summit Station to maintain or upgrade the magnetometer installation. CPS science technicians will monitor and maintain the magnetometer, electronics, and datalogger year-round. In 2014, two people will visit Summit in June on project business. The science group will not deploy to Summit during 2015 - 2018. The experiment will continue to be maintained by onsite technicians.

CPS will provide Air National Guard support for cargo and passengers between Kangerlussuaq and Summit Station, Summit user days, fuel from Summit stocks, and science tech/labor support for the project. NSF will recoup costs associated with this support directly from DTU. All other items, including KISS user days, will be arranged and paid for by the PI.
SeasonField SiteDate InDate Out#People
2014Greenland - Kangerlussuaq06 / 02 / 2014 06 / 12 / 20142
2014Greenland - Summit06 / 04 / 2014 06 / 10 / 20142
2015Greenland - Summit0
2016Greenland - Summit0
2017Greenland - Summit0
2018Greenland - Summit0
2019Greenland - Kangerlussuaq1
2019Greenland - Summit1
2020Greenland - Kangerlussuaq1
2020Greenland - Summit1

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