Alistair Adcroft adcroft
adcroft
/ Animate_iceberg_shelf.ipynb
Created
March 17, 2017 13:51
Animate icebergs breaking away from an iceshelf
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adcroft
/ Cheat sheet for using a Mosaic grid with MOM6 output.ipynb
Last active
November 18, 2025 15:55
Cheat sheet for using a Mosaic grid with MOM6 output
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adcroft
/ Understanding native output data from MOM6.ipynb
Last active
January 24, 2025 19:57
Understanding native output data from MOM6.ipynb
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adcroft
/ Visualizing and animating sea-surface height in the double-gyre example.ipynb
Last active
February 24, 2017 21:33
Visualizing and animating sea-surface height in the double-gyre example.ipynb
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adcroft
/ Convert CCS grid to Mosaic.ipynb
Last active
September 12, 2016 20:18
Extracts data from a ROMS regional grid file and creates a [slightly approximated] mosaic grid spec file
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adcroft
/ demo_tarfile2netcdf.ipynb
Last active
August 29, 2015 14:10
Reading a small netcdf variable directly from a tar file
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adcroft
/ dens_write_eos.py
Created
May 12, 2014 15:07
Density of sea-water using Wright et al. 1997, equation of state
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| def dens_wright_eos(T, S, p): | |
| """ | |
| Equation of state for sea water given by Wright, 1997, J. Atmos. Ocean. Tech., 14, 735-740. | |
| Units: T[degC],S[PSU],p[Pa] | |
| Returns density [kg m-3] | |
| """ | |
| a0 = 7.057924e-4; a1 = 3.480336e-7; a2 = -1.112733e-7 | |
| b0 = 5.790749e8; b1 = 3.516535e6; b2 = -4.002714e4; b3 = 2.084372e2; b4 = 5.944068e5; b5 = -9.643486e3 | |
| c0 = 1.704853e5; c1 = 7.904722e2; c2 = -7.984422; c3 = 5.140652e-2; c4 = -2.302158e2; c5 = -3.079464 |
adcroft
/ demo_animate_relative_vortcitiy.py
Last active
August 29, 2015 14:00
Animate surface relative vorticity on blue marble earth
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| import netCDF4 | |
| import matplotlib.pyplot as plt | |
| import numpy | |
| from mpl_toolkits.basemap import Basemap | |
| import math | |
| lon = netCDF4.Dataset('/archive/gold/datasets/MOM6z_SIS_025/siena/mosaic.unpacked/ocean_hgrid.nc').variables['x'][1::2,1::2] | |
| lat = netCDF4.Dataset('/archive/gold/datasets/MOM6z_SIS_025/siena/mosaic.unpacked/ocean_hgrid.nc').variables['y'][1::2,1::2] | |
| dx = netCDF4.Dataset('/archive/gold/datasets/MOM6z_SIS_025/siena/mosaic.unpacked/ocean_hgrid.nc').variables['dx'][:] | |
| dx = dx[1::2,1::2]+numpy.roll(dx,-1,axis=-1)[1::2,1::2] |
adcroft
/ demo_animate_ssh_blue_marble.py
Last active
August 29, 2015 14:00
Animated SSH on blue marble
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| import netCDF4 | |
| import matplotlib.pyplot as plt | |
| import numpy | |
| from mpl_toolkits.basemap import Basemap | |
| lon = netCDF4.Dataset('/archive/gold/datasets/MOM6z_SIS_025/siena/mosaic.unpacked/ocean_hgrid.nc').variables['x'][::2,::2] | |
| lat = netCDF4.Dataset('/archive/gold/datasets/MOM6z_SIS_025/siena/mosaic.unpacked/ocean_hgrid.nc').variables['y'][::2,::2] | |
| dailyFiles = '/archive/aja/awg/tikal_201403/CM4_c192L48_am4a1_2000/gfdl.ncrc2-intel-prod-openmp/history/unpack/000[3456]0101.ocean_daily.nc' | |
| ssh = netCDF4.MFDataset(dailyFiles).variables['ssh'] |