A data set of monthly freshwater fluxes from the Greenland ice sheet’s marine-terminating glaciers on a glacier–basin scale 2010–2020

The loss of mass from the Greenland ice sheet causes an increasing influx of freshwater to the Greenlandic fjords and the oceans. Freshwater fluxes from marine-terminating glaciers are important to understand fjord circulation and ecosystem dynamics. Here, we present a data set constructed by reform...

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Bibliographic Details
Main Authors: Karlsson, Nanna B., Mankoff, Kenneth D, Solgaard, Anne M, Larsen, Signe H, How, Penelope R, Fausto, Robert S, Sørensen, Louise S
Format: Article in Journal/Newspaper
Language:English
Published: Geological Survey of Denmark and Greenland (GEUS) 2023
Subjects:
Ice mass loss
ice sheet – fjord interactions
ice surface melt
iceberg discharge
basal melt
Glaciology
Earth Science
glacier
Greenland
greenlandic
Ice Sheet
Online Access:https://geusbulletin.org/index.php/geusb/article/view/8338
https://doi.org/10.34194/geusb.v53.8338
Description
Summary:The loss of mass from the Greenland ice sheet causes an increasing influx of freshwater to the Greenlandic fjords and the oceans. Freshwater fluxes from marine-terminating glaciers are important to understand fjord circulation and ecosystem dynamics. Here, we present a data set constructed by reformulating existing products into a shared temporal and spatial framework. We combine three publicly available data sets of solid-ice discharge (iceberg), liquid-surface runoff (runoff) and basal melt to present a cohesive overview of the flow of freshwater from marine-terminating glaciers to the Greenlandic fjords. We also calculate glacier drainage basins and compare our findings to previous studies showing that drainage-basin sizes may vary considerably depending on how they were reconstructed. The data set will be a valuable asset to oceanographic, glaciological and marine biological research activities.

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