International Federation of Digital Seismograph Networks

GG: Greenland Ice Sheet Monitoring Network

DOI : This page is the DOI target for this network https://doi.org/10.7914/SN/GG

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FDSN Network Information

FDSN code GG Network name Greenland Ice Sheet Monitoring Network (GLISN)
Start year 2012 Operated by
  • IRIS HQ (DC)
End year - Deployment region
Description

The Greenland Ice Sheet Monitoring Network (GLISN) is a broadband, multi-use seismological network, enhanced by selected geodetic observations, designed with the capability to allow researchers to understand the changes currently occurring in the Arctic, and with the operational characteristics necessary to enable response to those changes as understanding improves. GLISN was established through an international collaboration, with 10 nations coordinating their efforts to develop the current 32-station observing network. This project will continue operations of six key stations of the network, as well as data quality control and data-management for the network. It will also improve the telemetry capability at remote stations to maximize the scientific utility of the data, reduce data latency, and reduce logistics costs. Continued leadership by IRIS in the management and coordination of the International GLISN effort will ensure continued return of high-quality data from the full 32-station network. Observations from the GLISN network will allow improved estimation of the Earth structure under Greenland, critical for reliable estimation, interpretation, and prediction of changes in ice mass, sea level, and the crustal stress state. These observations will also allow greatly improved analysis of deformation within the ice sheet and at its calving margins due to processes including discrete ice-loss events, melt-water drainage, crevassing, and basal sliding. Seismic analysis provides unique information about glacier dynamics and sub-glacial geology, complementing other remote-sensing and in-situ observations. GLISN science and outreach will leverage and enhance outreach and education programs undertaken by the IRIS Consortium and its community.

Website http://glisn.info/

Citation Information

Digital Object Identifier (DOI) https://doi.org/10.7914/SN/GG
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