(Sankaran et al. 2019) show that at a shift, we expect the spectrum of a landscape to be close to a power-law. This is interesting as it provides an expectation on when the shift should occur (which is something e.g. generic ews do not do). Measuring some kind of "power-law"ness of the spectrum could be an interesting way to measure distance to a shift.
Sankaran, Sumithra, Sabiha Majumder, Ashwin Viswanathan, and Vishwesha Guttal. 2019. “Clustering and Correlations: Inferring Resilience from Spatial Patterns in Ecosystems.” Edited by Hao Ye. Methods in Ecology and Evolution 10 (12): 2079–89. https://doi.org/10.1111/2041-210X.13304.
(Sankaran et al. 2019) show that at a shift, we expect the spectrum of a landscape to be close to a power-law. This is interesting as it provides an expectation on when the shift should occur (which is something e.g. generic ews do not do). Measuring some kind of "power-law"ness of the spectrum could be an interesting way to measure distance to a shift.
Sankaran, Sumithra, Sabiha Majumder, Ashwin Viswanathan, and Vishwesha Guttal. 2019. “Clustering and Correlations: Inferring Resilience from Spatial Patterns in Ecosystems.” Edited by Hao Ye. Methods in Ecology and Evolution 10 (12): 2079–89. https://doi.org/10.1111/2041-210X.13304.