Table 1. Parameters used in the dv/v modeling.

Parameter	Symbol	Value	Reference
Glaciostatic pressure	Pg	1600 Pa	From data
Ice area	Si	6.5 × 1011 m2	From data
Gravitational acceleration	g	9.81 m/s2
Pressure field wave number	k	2π/(60 km)	Jiang et al. (11)
Depth of investigation	z	5 km	From data
S-wave velocity	Vs	3300 m/s	Kumar et al. (56)
Vp/Vs ratio	Vp/Vs	1.8	Kumar et al. (56)
Upper-crust density	ρc	2700 kg/m3	Schmidt-Aursch and Jokat (57)
P-wave velocity	Vp = Vs(Vp/Vs)	5940 m/s
Poisson’s ratio	ν	0.2768
Young’s modulus	E	7.5 × 1010 Pa
Mantle viscosity	η	1021 Pa⋅s
Viscoelastic relaxation time	T	1011 s
Lamé’s first parameter	λ	3.65 × 1010 Pa
Shear modulus	μ	2.94 × 1010 Pa
Murnaghan constant	m	−2.77 × 1016 Pa	From inversion
Distance from the ice	x	12.5 km
Biot’s coefficient	α	0.7	Tsai (34)
Hydraulic diffusivity of the crust	Kc	0.5 m2/s	Shapiro et al. (58)
Angular frequency	ω	2π/(365 days)
Till layer thickness	zt	2.85 m	From inversion
Hydraulic diffusivity of till	Kt	5 × 10− 6 m2/s	Iverson et al. (38)