def L2_density_stream_definition():
sdc = StreamDefinitionConstructor(
description='L2 practical salinity observations',
nil_value=-999.99,
encoding='hdf5'
)
sdc.define_temporal_coordinates(
reference_frame='http://www.opengis.net/def/trs/OGC/0/GPS',
definition='http://www.opengis.net/def/property/OGC/0/SamplingTime',
reference_time='1970-01-01T00:00:00Z',
unit_code='s'
)
sdc.define_geospatial_coordinates(
definition="http://www.opengis.net/def/property/OGC/0/PlatformLocation",
reference_frame='urn:ogc:def:crs:EPSG::4979'
)
sdc.define_coverage(
field_name = 'density',
field_definition = "urn:x-ogc:def:phenomenon:OGC:density", # Copied from SSDS
field_units_code = 'kg/m3', # practical salinity has no units
field_range = [1000.0, 1050.0]
)
return sdc.close_structure()
def L1_pressure_stream_definition():
sdc = StreamDefinitionConstructor(
description='L1 Pressure observations from a Seabird 37 CTD',
nil_value=-999.99,
encoding='hdf5'
)
sdc.define_temporal_coordinates(
reference_frame='http://www.opengis.net/def/trs/OGC/0/GPS',
definition='http://www.opengis.net/def/property/OGC/0/SamplingTime',
reference_time='1970-01-01T00:00:00Z',
unit_code='s'
)
sdc.define_geospatial_coordinates(
definition="http://www.opengis.net/def/property/OGC/0/PlatformLocation",
reference_frame='urn:ogc:def:crs:EPSG::4979'
)
sdc.define_coverage(
field_name = 'pressure',
field_definition = "urn:x-ogc:def:phenomenon:OGC:pressure", # Copied from SSDS
field_units_code = 'dBar',
field_range = [0.0, 1000.0]
)
return sdc.close_structure()
def L2_density_stream_definition():
sdc = StreamDefinitionConstructor(
description='L2 practical salinity observations',
nil_value=-999.99,
encoding='hdf5'
)
sdc.define_temporal_coordinates(
reference_frame='http://www.opengis.net/def/trs/OGC/0/GPS',
definition='http://www.opengis.net/def/property/OGC/0/SamplingTime',
reference_time='1970-01-01T00:00:00Z',
unit_code='s'
)
sdc.define_geospatial_coordinates(
definition="http://www.opengis.net/def/property/OGC/0/PlatformLocation",
reference_frame='urn:ogc:def:crs:EPSG::4979'
)
sdc.define_coverage(
field_name = 'density',
field_definition = "urn:x-ogc:def:phenomenon:OGC:density", # Copied from SSDS
field_units_code = 'kg/m3', # practical salinity has no units
field_range = [1000.0, 1050.0]
)
return sdc.close_structure()
def L1_pressure_stream_definition():
sdc = StreamDefinitionConstructor(
description='L1 Pressure observations from a Seabird 37 CTD',
nil_value=-999.99,
encoding='hdf5'
)
sdc.define_temporal_coordinates(
reference_frame='http://www.opengis.net/def/trs/OGC/0/GPS',
definition='http://www.opengis.net/def/property/OGC/0/SamplingTime',
reference_time='1970-01-01T00:00:00Z',
unit_code='s'
)
sdc.define_geospatial_coordinates(
definition="http://www.opengis.net/def/property/OGC/0/PlatformLocation",
reference_frame='urn:ogc:def:crs:EPSG::4979'
)
sdc.define_coverage(
field_name = 'pressure',
field_definition = "urn:x-ogc:def:phenomenon:OGC:pressure", # Copied from SSDS
field_units_code = 'dBar',
field_range = [0.0, 1000.0]
)
return sdc.close_structure()
def USGS_stream_definition():
sdc = StreamDefinitionConstructor(
description='CONNECTICUT RIVER AT THOMPSONVILLE CT (01184000) - Daily Value',
nil_value=-9999.99,
encoding='hdf5'
)
sdc.define_temporal_coordinates(
reference_frame='http://www.opengis.net/def/trs/OGC/0/GPS',
definition='http://www.opengis.net/def/property/OGC/0/SamplingTime',
reference_time='1970-01-01T00:00:00Z',
unit_code='s'
)
sdc.define_geospatial_coordinates(
definition="http://www.opengis.net/def/property/OGC/0/PlatformLocation",
reference_frame='urn:ogc:def:crs:EPSG::4326'
)
sdc.define_coverage(
field_name='water_height',
field_definition="urn:x-ogc:def:phenomenon:OGC:water_height", # Copied from SSDS
field_units_code='ft_us'
)
sdc.define_coverage(
field_name = 'water_temperature',
field_definition = "urn:x-ogc:def:phenomenon:OGC:water_temperature", # Copied from SSDS
field_units_code = 'Cel'
)
sdc.define_coverage(
field_name = 'streamflow',
field_definition = "urn:x-ogc:def:phenomenon:OGC:streamflow", # Copied from SSDS
field_units_code = 'cft_i/s'
)
return sdc.close_structure()
