The challenge is to obtain high quality in situ observations of the Arctic ice sheets and glaciers

In recent years a range of satellite sensors are capturing observations of specific interest for the study of ice sheets and glaciers. These include ice elevation and ice mass changes and ice velocity maps. However in situ observational networks are comparatively sparse but are vital to provide ground-truth for the satellite products. Logistical difficulties often mean that it is not possible to revisit instruments more than once every few years, ensuring that robustness takes precedence over other factors. There are a number of efforts to measure parameters around the Greenland ice sheet, nonetheless there is a need to improve the links and integration between these different activities in order to produce new and enhanced climate services needed for the increasingly accessible Arctic region.

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