<xarray.Dataset>
Dimensions: ()
Data variables:
*empty*
Attributes:
conventions: CF-1.7, SONAR-netCDF4-1.0, ACDD-1.3
keywords: EK60
sonar_convention_authority: ICES
sonar_convention_name: SONAR-netCDF4
sonar_convention_version: 1.0
summary: EK60 raw file s3://ncei-wcsd-archive/data/ra...
title: 2017 Pacific Hake Acoustic Trawl Survey
date_created: 2017-07-28T18:16:19Z
survey_name: <xarray.Dataset>
Dimensions: (frequency: 3, ping_time: 529)
Coordinates:
* frequency (frequency) float64 1.8e+04 3.8e+04 1.2e+05
* ping_time (ping_time) datetime64[ns] 2017-07-28T18:16:19.31...
Data variables:
absorption_indicative (frequency, ping_time) float64 0.002822 ... 0.03259
sound_speed_indicative (frequency, ping_time) float64 1.481e+03 ... 1.48...array([ 18000., 38000., 120000.])
array(['2017-07-28T18:16:19.313999872', '2017-07-28T18:16:22.143000064',
'2017-07-28T18:16:24.962999808', ..., '2017-07-28T18:41:23.292000256',
'2017-07-28T18:41:25.949000192', '2017-07-28T18:41:28.597000192'],
dtype='datetime64[ns]')array([[0.00282171, 0.00282171, 0.00282171, ..., 0.00282171, 0.00282171,
0.00282171],
[0.00985526, 0.00985526, 0.00985526, ..., 0.00985526, 0.00985526,
0.00985526],
[0.03259379, 0.03259379, 0.03259379, ..., 0.03259379, 0.03259379,
0.03259379]])array([[1480.62597656, 1480.62597656, 1480.62597656, ..., 1480.62597656,
1480.62597656, 1480.62597656],
[1480.62597656, 1480.62597656, 1480.62597656, ..., 1480.62597656,
1480.62597656, 1480.62597656],
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Dimensions: (location_time: 2165, frequency: 3, ping_time: 529)
Coordinates:
* location_time (location_time) datetime64[ns] 2017-07-28T18:16:21.4759997...
* frequency (frequency) float64 1.8e+04 3.8e+04 1.2e+05
* ping_time (ping_time) datetime64[ns] 2017-07-28T18:16:19.313999872 ....
Data variables:
latitude (location_time) float64 dask.array<chunksize=(2165,), meta=np.ndarray>
longitude (location_time) float64 dask.array<chunksize=(2165,), meta=np.ndarray>
sentence_type (location_time) <U3 dask.array<chunksize=(2165,), meta=np.ndarray>
pitch (frequency, ping_time) float64 dask.array<chunksize=(3, 529), meta=np.ndarray>
roll (frequency, ping_time) float64 dask.array<chunksize=(3, 529), meta=np.ndarray>
heave (frequency, ping_time) float64 dask.array<chunksize=(3, 529), meta=np.ndarray>
water_level (frequency, ping_time) float64 dask.array<chunksize=(3, 529), meta=np.ndarray>
Attributes:
platform_type: Research vessel
platform_name: Bell M. Shimada
platform_code_ICES: 315array(['2017-07-28T18:16:21.475999744', '2017-07-28T18:16:21.635000320',
'2017-07-28T18:16:22.168999936', ..., '2017-07-28T18:41:29.893000192',
'2017-07-28T18:41:31.143000064', '2017-07-28T18:41:31.301000192'],
dtype='datetime64[ns]')array([ 18000., 38000., 120000.])
array(['2017-07-28T18:16:19.313999872', '2017-07-28T18:16:22.143000064',
'2017-07-28T18:16:24.962999808', ..., '2017-07-28T18:41:23.292000256',
'2017-07-28T18:41:25.949000192', '2017-07-28T18:41:28.597000192'],
dtype='datetime64[ns]')
|
|
|
|
|
|
|
<xarray.Dataset>
Dimensions: (location_time: 22037)
Coordinates:
* location_time (location_time) datetime64[ns] 2017-07-28T18:16:19.3140003...
Data variables:
NMEA_datagram (location_time) <U73 '$SDVLW,5050.149,N,5050.149,N' ... '$...
Attributes:
description: All NMEA sensor datagramsarray(['2017-07-28T18:16:19.314000384', '2017-07-28T18:16:20.896000000',
'2017-07-28T18:16:20.995999744', ..., '2017-07-28T18:41:32.515999744',
'2017-07-28T18:41:32.616000000', '2017-07-28T18:41:32.401999872'],
dtype='datetime64[ns]')array(['$SDVLW,5050.149,N,5050.149,N', '$INHDT,268.8,T', '$INHDT,268.8,T',
..., '$INHDT,270.9,T', '$INHDT,270.9,T',
'$GPDTM,W84,,0000.0000,N,00000.0000,E,,W84'], dtype='<U73')<xarray.Dataset>
Dimensions: ()
Data variables:
*empty*
Attributes:
conversion_software_name: echopype
conversion_software_version: 0.5.4.dev30+g927d2cf.d20211110
conversion_time: 2021-12-08T05:23:19Z
src_filenames: s3://ncei-wcsd-archive/data/raw/Bell_M._Shi...
duplicate_ping_times: 0<xarray.Dataset>
Dimensions: ()
Data variables:
*empty*
Attributes:
sonar_manufacturer: Simrad
sonar_model: ER60
sonar_serial_number:
sonar_software_name:
sonar_software_version: 2.4.3
sonar_type: echosounder<xarray.Dataset>
Dimensions: (frequency: 3, ping_time: 529, range_bin: 3957)
Coordinates:
* frequency (frequency) float64 1.8e+04 3.8e+04 1.2e+05
* ping_time (ping_time) datetime64[ns] 2017-07-28T18:...
* range_bin (range_bin) int64 0 1 2 3 ... 3954 3955 3956
Data variables: (12/30)
channel_id (frequency) <U37 'GPT 18 kHz 009072058c8...
beam_type (frequency) int64 1 1 1
beamwidth_receive_alongship (frequency) float64 10.9 6.81 6.58
beamwidth_receive_athwartship (frequency) float64 10.82 6.85 6.52
beamwidth_transmit_alongship (frequency) float64 10.9 6.81 6.58
beamwidth_transmit_athwartship (frequency) float64 10.82 6.85 6.52
... ...
data_type (frequency, ping_time) float64 3.0 ... 3.0
count (frequency, ping_time) float64 3.957e+03 ...
offset (frequency, ping_time) float64 0.0 ... 0.0
transmit_mode (frequency, ping_time) float64 0.0 ... 0.0
angle_athwartship (frequency, ping_time, range_bin) float64 ...
angle_alongship (frequency, ping_time, range_bin) float64 ...
Attributes:
beam_mode: vertical
conversion_equation_t: type_3array([ 18000., 38000., 120000.])
array(['2017-07-28T18:16:19.313999872', '2017-07-28T18:16:22.143000064',
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'2017-07-28T18:41:25.949000192', '2017-07-28T18:41:28.597000192'],
dtype='datetime64[ns]')array([ 0, 1, 2, ..., 3954, 3955, 3956])
array(['GPT 18 kHz 009072058c8d 1-1 ES18-11',
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array([10.89999962, 6.80999994, 6.57999992])
array([10.81999969, 6.8499999 , 6.51999998])
array([10.89999962, 6.80999994, 6.57999992])
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array([0.25, 0. , 0.37])
array([13.89000034, 21.96999931, 23.12000084])
array([13.89000034, 21.96999931, 23.12000084])
array([-17.37000084, -21.01000023, -20.46999931])
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array([0., 0., 0.])
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array([22.95000076, 26.06999969, 26.54999924])
array(['070413', '070413', '070413'], dtype='<U6')
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...
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Dimensions: (frequency: 3, pulse_length_bin: 5)
Coordinates:
* frequency (frequency) float64 1.8e+04 3.8e+04 1.2e+05
* pulse_length_bin (pulse_length_bin) int64 0 1 2 3 4
Data variables:
sa_correction (frequency, pulse_length_bin) float64 0.0 -0.7 ... -0.3
gain_correction (frequency, pulse_length_bin) float64 20.3 22.95 ... 26.55
pulse_length (frequency, pulse_length_bin) float64 0.000512 ... 0.00...array([ 18000., 38000., 120000.])
array([0, 1, 2, 3, 4])
array([[ 0. , -0.7 , 0. , 0. , 0. ],
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[24. , 26. , 26.07 , 26.5 , 26.5 ],
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[6.400e-05, 1.280e-04, 2.560e-04, 5.120e-04, 1.024e-03]])