The purpose of the Sustaining Arctic Observing Networks (SAON) is to support and strengthen the development of multinational engagement for sustained and coordinated pan-Arctic observing and data sharing systems. SAON was initiated by the Arctic Council and the International Arctic Science Committee, and was established by the 2011 Ministerial Meeting in Nuuk.
The SAON inventory builds on a survey circulated in the community at the inception of the activity. This database is continously updated and maintained, and contains projects, activities, networks and programmes related to environmental observation in the circum-polar Arctic.
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Ice sheet meltwater and sediment discharge is measured at only very few sites in Greenland. The measurements provide detailed insights into ice sheet surface melting, englacial meltwater routing, subglacial erosion, etc., and their importance increase with the lengthening of the time series. Monitoring was initiated by IGN (Copenhagen University) in 2006, and taken over by the Geological Survey of Denmark and Greenland in 2014. Data are available through the Programme for Monitoring of the Greenland Ice Sheet (www.PROMICE.dk).
The main objective is to quantify the annual mass loss of the Greenland ice sheet, track changes in the extent of local glaciers and ice caps, and track changes in the position of the ice-sheet margin. Network type: - Observing and modelling the ice-sheet surface-mass balance - Quantifying the mass loss caused by iceberg calving - Monitoring the change of glaciers and ice caps in Greenland - Outlook