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refactor: move grounding zone fits to separate module #39

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merged 8 commits into from
May 24, 2024
Merged

refactor: move grounding zone fits to separate module #39

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d0396d3
refactor: move grounding zone fits to separate module
tsutterley May 23, 2024
c03c698
feat: add ICESat GLA12 GZ calculator
tsutterley May 24, 2024
4657b62
feat: add GLA12 grounding zone mask program
tsutterley May 24, 2024
a6fa6b2
docs: add ICESat GZ documentation
tsutterley May 24, 2024
6ce95c0
refactor: moved DEM and symbolic IS2 tools
tsutterley May 24, 2024
77f344c
refactor: moved subsetting programs from IS2tk to GZ
tsutterley May 24, 2024
09240ea
fix: attempt imports
tsutterley May 24, 2024
3580902
fix: attempt timescale import
tsutterley May 24, 2024
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9 changes: 5 additions & 4 deletions DAC/interp_DAC_ICESat_GLA12.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@
UPDATE HISTORY:
Updated 05/2024: use wrapper to importlib for optional dependencies
fix memory allocation for output 40HZ data
use ellipsoid transformation function from pyTMD
Updated 04/2024: use timescale for temporal operations
Updated 08/2023: create s3 filesystem when using s3 urls as input
Updated 12/2022: single implicit import of grounding zone tools
Expand All @@ -69,13 +70,12 @@

# attempt imports
h5py = gz.utilities.import_dependency('h5py')
is2tk = gz.utilities.import_dependency('icesat2_toolkit')
netCDF4 = gz.utilities.import_dependency('netCDF4')
pyproj = gz.utilities.import_dependency('pyproj')
pyTMD = gz.utilities.import_dependency('pyTMD')
timescale = gz.utilities.import_dependency('timescale')

# PURPOSE: read ICESat ice sheet HDF5 elevation data (GLAH12) from NSIDC
# PURPOSE: read ICESat ice sheet HDF5 elevation data (GLAH12)
# calculate and interpolate the dynamic atmospheric correction
def interp_DAC_ICESat_GLA12(base_dir, INPUT_FILE,
OUTPUT_DIRECTORY=None,
Expand Down Expand Up @@ -164,8 +164,9 @@ def interp_DAC_ICESat_GLA12(base_dir, INPUT_FILE,
topex = pyTMD.datum(ellipsoid='TOPEX', units='MKS')
wgs84 = pyTMD.datum(ellipsoid='WGS84', units='MKS')
# convert from Topex/Poseidon to WGS84 Ellipsoids
lat_40HZ,elev_40HZ = is2tk.spatial.convert_ellipsoid(lat_TPX, elev_TPX,
topex.a_axis, topex.flat, wgs84.a_axis, wgs84.flat, eps=1e-12, itmax=10)
lat_40HZ,elev_40HZ = pyTMD.spatial.convert_ellipsoid(lat_TPX, elev_TPX,
topex.a_axis, topex.flat, wgs84.a_axis, wgs84.flat,
eps=1e-12, itmax=10)

# pyproj transformer for converting from input coordinates (EPSG)
# to model coordinates
Expand Down
2 changes: 1 addition & 1 deletion DAC/interp_IB_response_ICESat2_ATL06.py
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Expand Up @@ -210,7 +210,7 @@ def ncdf_pressure(FILENAMES,VARNAME,TIMENAME,LATNAME,MEAN,OCEAN,AREA):
# return the sea level pressure anomalies and times
return (SLP, TPX, latitude, MJD)

# PURPOSE: read ICESat-2 land ice data (ATL06) from NSIDC
# PURPOSE: read ICESat-2 land ice data (ATL06)
# calculate and interpolate the instantaneous inverse barometer response
def interp_IB_response_ICESat2(base_dir, INPUT_FILE, MODEL,
OUTPUT_DIRECTORY=None,
Expand Down
2 changes: 1 addition & 1 deletion DAC/interp_IB_response_ICESat2_ATL07.py
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Expand Up @@ -204,7 +204,7 @@ def ncdf_pressure(FILENAMES,VARNAME,TIMENAME,LATNAME,MEAN,OCEAN,AREA):
# return the sea level pressure anomalies and times
return (SLP, TPX, latitude, MJD)

# PURPOSE: read ICESat-2 sea ice height (ATL07) from NSIDC
# PURPOSE: read ICESat-2 sea ice height (ATL07)
# calculate and interpolate the instantaneous inverse barometer response
def interp_IB_response_ICESat2(base_dir, INPUT_FILE, MODEL,
OUTPUT_DIRECTORY=None,
Expand Down
2 changes: 1 addition & 1 deletion DAC/interp_IB_response_ICESat2_ATL11.py
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Original file line number Diff line number Diff line change
Expand Up @@ -222,7 +222,7 @@ def ncdf_pressure(FILENAMES,VARNAME,TIMENAME,LATNAME,MEAN,OCEAN,INDICES,AREA):
# return the sea level pressure anomalies, latitudes and times
return (SLP, TPX, latitude, MJD)

# PURPOSE: read ICESat-2 annual land ice height data (ATL11) from NSIDC
# PURPOSE: read ICESat-2 annual land ice height data (ATL11)
# calculate and interpolate the instantaneous inverse barometer response
def interp_IB_response_ICESat2(base_dir, INPUT_FILE, MODEL,
OUTPUT_DIRECTORY=None,
Expand Down
9 changes: 5 additions & 4 deletions DAC/interp_IB_response_ICESat_GLA12.py
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@
UPDATE HISTORY:
Updated 05/2024: use wrapper to importlib for optional dependencies
fix memory allocation for output 40HZ data
use ellipsoid transformation function from pyTMD
Updated 04/2024: use timescale for temporal operations
Updated 08/2023: create s3 filesystem when using s3 urls as input
use time functions from pyTMD.time
Expand Down Expand Up @@ -79,7 +80,6 @@

# attempt imports
h5py = gz.utilities.import_dependency('h5py')
is2tk = gz.utilities.import_dependency('icesat2_toolkit')
netCDF4 = gz.utilities.import_dependency('netCDF4')
pyproj = gz.utilities.import_dependency('pyproj')
pyTMD = gz.utilities.import_dependency('pyTMD')
Expand Down Expand Up @@ -210,7 +210,7 @@ def ncdf_pressure(FILENAMES,VARNAME,TIMENAME,LATNAME,MEAN,OCEAN,AREA):
# return the sea level pressure anomalies and times
return (SLP, TPX, latitude, MJD)

# PURPOSE: read ICESat ice sheet HDF5 elevation data (GLAH12) from NSIDC
# PURPOSE: read ICESat ice sheet HDF5 elevation data (GLAH12)
# calculate and interpolate the instantaneous inverse barometer response
def interp_IB_response_ICESat(base_dir, INPUT_FILE, MODEL,
OUTPUT_DIRECTORY=None,
Expand Down Expand Up @@ -341,8 +341,9 @@ def interp_IB_response_ICESat(base_dir, INPUT_FILE, MODEL,
topex = pyTMD.datum(ellipsoid='TOPEX', units='MKS')
wgs84 = pyTMD.datum(ellipsoid='WGS84', units='MKS')
# convert from Topex/Poseidon to WGS84 Ellipsoids
lat_40HZ,elev_40HZ = is2tk.spatial.convert_ellipsoid(lat_TPX, elev_TPX,
topex.a_axis, topex.flat, wgs84.a_axis, wgs84.flat, eps=1e-12, itmax=10)
lat_40HZ,elev_40HZ = pyTMD.spatial.convert_ellipsoid(lat_TPX, elev_TPX,
topex.a_axis, topex.flat, wgs84.a_axis, wgs84.flat,
eps=1e-12, itmax=10)
# colatitude in radians
theta_40HZ = (90.0 - lat_40HZ)*np.pi/180.0

Expand Down
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