Ice Velocity#
Description: Gridded estimates of ice velocity from the MEaSUREs Phase-Based Antarctica Ice Velocity Map.
Requires an EarthData login, see link for how to configure this.
Dataset:
Mouginot, J., E. Rignot, and B. Scheuchl. “MEaSUREs Phase Map of Antarctic Ice Velocity, Version 1.” NASA National Snow and Ice Data Center Distributed Active Archive Center, 2019. https://doi.org/10.5067/PZ3NJ5RXRH10.
Associated paper:
Mouginot, J., E. Rignot, and B. Scheuchl. “Continent‐wide, Interferometric SAR Phase, Mapping of Antarctic Ice Velocity.” Geophysical Research Letters 46, no. 16 (2019): 9710–18. https://doi.org/10.1029/2019GL083826.
[1]:
%%capture
%load_ext autoreload
%autoreload 2
from polartoolkit import fetch, maps, utils
[2]:
data = fetch.ice_vel(
hemisphere="south",
# available options
spacing=5e3,
# region,
# spacing,
# registration ("g" for gridline or "p" for pixel),
)
_ = utils.get_grid_info(data, print_info=True)
grid spacing: 5000.0 m
grid region: (-2800000.0, 2795000.0, -2795000.0, 2800000.0)
grid zmin: 2.87566308543e-05
grid zmax: 4201.68994141
grid registration: g
[ ]:
fig = maps.plot_grd(
data,
title="Ice Velocity",
cmap="magma",
cpt_lims=(0.001, 3),
cpt_log=True,
cbar_log=True,
coast=True,
cbar_label="meters/year",
hemisphere="south",
)
fig.show(dpi=200)
[ ]: