2019
DOI: 10.1017/aog.2019.20
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Seismic observations of crevasse growth following rain-induced glacier acceleration, Haupapa/Tasman Glacier, New Zealand

Abstract: Changing rates of water input can affect both the flow of glaciers and ice sheets and their propensity to crevasse. Here we examine geodetic and seismic observations during two substantial (10–18-times background velocity) rain-induced glacier accelerations at Haupapa/Tasman Glacier, New Zealand. Changes in rain rate result in glacier acceleration and associated uplift, which propagate down-glacier. This pattern of acceleration results in a change to the strain rate field, which correlates with an order of mag… Show more

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Cited by 2 publications
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“…The term ρA u(ξ 0 ) β 2 represents the elastic energy released by volumetric crack growth. Such sources are common in seismogenic hydrofracture events within glaciers (Carr et al, 2020;Taylor-Offord et al, 2019) and ice sheets (Carmichael et al, 2015).…”
Section: A Physical Source Of a Screening Errormentioning
confidence: 99%
“…The term ρA u(ξ 0 ) β 2 represents the elastic energy released by volumetric crack growth. Such sources are common in seismogenic hydrofracture events within glaciers (Carr et al, 2020;Taylor-Offord et al, 2019) and ice sheets (Carmichael et al, 2015).…”
Section: A Physical Source Of a Screening Errormentioning
confidence: 99%