Breaking of Larsen C from Antarctica

Ahmad, Touseef; Maity, Saroj; Misra, Arundhati

doi:10.18520/cs/v114/i05/961-962

Cited by 3 publications

(2 citation statements)

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“…As the temperature increases, ice melts and percolates through crevasses/rift and reaches the ocean. This process hastens rifting and eventually leads to icebergs 5 . However, the impact of environmental stresses on rift propagation is negligible 2,6 .…”

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Rift Assessment and Potential Calving Zone of Amery Ice Shelf, East Antarctica

Darji¹,

Oza²,

Shah³

et al. 2018

Current Science

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Ice shelves line the peripheries of Antarctica. Rift and crevasses are two main deformational structures affecting ice shelf stability. The present study deals with propagation-widening of five active rifts and future potential calving zones on Amery Ice Shelf (AIS), East Antarctica, between 2000 and 2017 using moderate resolution image spectroradiometer (MODIS) data. The widening and rift propagating rate, as well as advancement in AIS show abnormal behaviour. The expansion of AIS differs across the shelf. The highest rate of advancement was observed in 2012-2013 (~517 sq. km) and the lowest was observed in 2000-2001 (~35 sq. km). The rift system shows variability in its proportion and having poor relationship with environmental processes, which suggests heterogeneities in the AIS. The abnormal behaviour of rift propagation during the study period can be attributed to tsunamis, tide, current action, crevasses pattern and icequakes in the vicinity of the study region.

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