20 Jul 2020
20 Jul 2020
An Early Warning Sign of Critical Transition in The Antarctic Ice Sheet – A New Data Driven Tool for Spatiotemporal Tipping Point
- 1Department of Electrical and Computer Engineering, Clarkson University, Potsdam, NY 6 13699, USA
- 2Clarkson Center for Complex Systems Science (C3S2), Potsdam, NY 13699, USA
- 1Department of Electrical and Computer Engineering, Clarkson University, Potsdam, NY 6 13699, USA
- 2Clarkson Center for Complex Systems Science (C3S2), Potsdam, NY 13699, USA
Abstract. In this paper, we introduce a new tool for data-driven discovery of early warning signs of critical transitions in ice shelves, from remote sensing data. Our approach adopts principles of directed spectral clustering methodology considering an asymmetric affinity matrix and the associated directed graph Laplacian. We applied our approach generally to reprocess the ice velocity data and remote sensing satellite images of the Larsen C ice shelf. Our results allow us to (post-cast) predict fault lines responsible for the critical transitions leading to the break up of the Larsen C ice shelf crack, which resulted in the A68 iceberg. We can do so, months earlier before the actual occurrence, and also much earlier than any other previously available methodology, in particular those based on interferometry.
Abd AlRahman AlMomani and Erik Bollt


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RC1: 'Review', Anonymous Referee #1, 08 Sep 2020
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AC1: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
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AC1: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
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RC2: 'Review', Anonymous Referee #2, 06 Oct 2020
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AC2: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
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AC2: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020


-
RC1: 'Review', Anonymous Referee #1, 08 Sep 2020
-
AC1: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
-
AC1: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
-
RC2: 'Review', Anonymous Referee #2, 06 Oct 2020
-
AC2: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
-
AC2: 'Response Letter', Abd AlRahman AlMomani, 21 Oct 2020
Abd AlRahman AlMomani and Erik Bollt
Abd AlRahman AlMomani and Erik Bollt
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