fit_surface_tiles.py

Fits a time-variable surface to altimetry data [Schenk2012] [Smith2009] [Smith2017] [Sutterley2014]

Source code

Calling Sequence

usage: fit_surface_tiles.py [-h] [--output-directory OUTPUT_DIRECTORY]
                            [--hemisphere {N,S}] [--width WIDTH]
                            [--spacing SPACING [SPACING ...]]
                            [--mask-file MASK_FILE]
                            [--fit-type {polynomial,chebyshev,spline}]
                            [--iteration ITERATION] [--order-time ORDER_TIME]
                            [--order-space ORDER_SPACE]
                            [--relative RELATIVE [RELATIVE ...]]
                            [--knots KNOTS [KNOTS ...]] [--verbose]
                            [--mode MODE]
                            infile [infile ...]

Positional Arguments

infile

Tile file(s) to run

Named Arguments

--output-directory, -O

Output data directory

--hemisphere, -H

Possible choices: N, S

Region of interest to run

--width, -W

Width of tile grid

--spacing, -S

Output grid spacing

--mask-file

Ice mask file

--fit-type, -F

Possible choices: polynomial, chebyshev, spline

Temporal fit type

--iteration, -I

Number of iterations for surface fit

--order-time

Temporal fit polynomial order

--order-space

Spatial fit polynomial order

--relative, -R

Relative period for time-variable fit

--knots, -K

Temporal knots for spline fit and output time series

--verbose, -V

Verbose output of processing run

--mode, -M

Local permissions mode of the output file

References

[Schenk2012]

  1. Schenk and B. M. Csatho, “A New Methodology for Detecting Ice Sheet Surface Elevation Changes From Laser Altimetry Data”, IEEE Transactions on Geoscience and Remote Sensing, 50(9), 3302–3316, (2012). doi:10.1109/TGRS.2011.2182357

[Smith2009]

    1. Smith, C. R. Bentley, and C. F. Raymond, “Recent elevation changes on the ice streams and ridges of the Ross Embayment from ICESat crossovers”, Geophysical Research Letters, 32(25), L21S09, (2005). doi: 10.1029/2005GL024365

[Smith2017]

    1. Smith el al., “Connected subglacial lake drainage beneath Thwaites Glacier, West Antarctica”, The Cryosphere, 11(1), 451–467, (2017). doi:10.5194/tc-11-451-2017

[Sutterley2014]

    1. Sutterley, I. Velicogna, E. J. Rignot, J. Mouginot, T. Flament, M. R. van den Broeke, J. M. van Wessem, C. H. Reijmer, “Mass loss of the Amundsen Sea Embayment of West Antarctica from four independent techniques”, Geophysical Research Letters, 41(23), 8421–8428, (2014). doi:10.1002/2014GL061940