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- W3149307427 abstract "<strong class=journal-contentHeaderColor>Abstract.</strong> Glacier calving is a key dynamical process of the Greenland Ice Sheet and a major driver of its increasing mass loss. Calving waves, generated by the sudden detachment of ice from the glacier terminus, can reach tens of meters in height and provide very valuable insights into quantifying calving activity. In this study, we present a new method for the detection of source location, timing, and magnitude of calving waves using a terrestrial radar interferometer. This method was applied to 11â500 1âmin interval acquisitions from Eqip Sermia, West Greenland, in July 2018. Over 7âd, more than 2000 calving waves were detected, including waves generated by submarine calving, which are difficult to observe with other methods. Quantitative assessment with a wave power index (WPI) yields a higher wave activity (<span class=inline-formula>+49</span>â%) and higher temporally cumulated WPI (<span class=inline-formula>+34</span>â%) in deep water than under shallow conditions. Subglacial meltwater plumes, occurring 2.3 times more often in the deep sector, increase WPI and the number of waves by a factor of 1.8 and 1.3, respectively, in the deep and shallow sector. We therefore explain the higher calving activity in the deep sector by a combination of more frequent meltwater plumes and more efficient calving enhancement linked with better connections to warm deep ocean water." @default.
- W3149307427 created "2021-04-13" @default.
- W3149307427 creator A5033862664 @default.
- W3149307427 date "2021-03-29" @default.
- W3149307427 modified "2023-10-16" @default.
- W3149307427 title "Comment on tc-2021-33" @default.
- W3149307427 doi "https://doi.org/10.5194/tc-2021-33-rc1" @default.
- W3149307427 hasPublicationYear "2021" @default.
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