Kirkham, James D.Rosser, Nick J.Wainwright, JohnVann Jones, Emma C.Dunning, Stuart A.Lane, Victoria S.Hawthorn, David E.Strzelecki, Mateusz C.Szczuciński, Witold2017-11-272017-11-272017-11Scientific Reports (2017) vol. 7, article number 159912045-2322http://hdl.handle.net/10593/20679Although the size-frequency distributions of icebergs can provide insight into how they disintegrate, our understanding of this process is incomplete. Fundamentally, there is a discrepancy between iceberg power-law size-frequency distributions observed at glacial calving fronts and lognormal size-frequency distributions observed globally within open waters that remains unexplained. Here we use passive seismic monitoring to examine mechanisms of iceberg disintegration as a function of drift. Our results indicate that the shift in the size-frequency distribution of iceberg sizes observed is a product of fracture-driven iceberg disintegration and dimensional reductions through melting. We suggest that changes in the characteristic size-frequency scaling of icebergs can be explained by the emergence of a dominant set of driving processes of iceberg degradation towards the open ocean. Consequently, the size-frequency distribution required to model iceberg distributions accurately must vary according to distance from the calving front.enginfo:eu-repo/semantics/openAccessicebergGreenlandseismologyglaciologyphysical oceanographypassive seismologyiceberg drifticeberg degradationArtykuł