Exporting ICES CSV data

This is specified under Location description on the Notes page of the Transducer Properties dialog box.

InstrumentTransducerLocation is an ICES code from AC_TransducerLocation.

Transducer manufacturer expressed as a string.

Export value is empty.

Transducer model expressed as a string.

Export value is empty.

Transducer serial number expressed as a string.

Export value is empty.

The beam type of the transducer is specified by the user under Transducer beam type on the Notes page of the Transducer Properties dialog box.

InstrumentTransducerBeamType is an ICES code from AC_TransducerBeamType.

Mean depth (m) of the transducer face beneath the water surface expressed as a string.

Export value is empty.

Describes which way the transducer points. The text and values are drawn from the specified settings on the Geometry page of the Transducer Properties dialog box and is reported as:

elevation E° azimuth A° rotation R°

Manufacturer-specified transducer equivalent beam angle in dB.

Export value is empty.

Major axis beam angle in decimal degrees.

Export value is empty.

Minor axis beam angle in decimal degrees.

Export value is empty.

Transceiver manufacturer expressed as a string.

Export value is empty.

Transceiver model number expressed as a string.

Export value is empty.

Transceiver serial number expressed as a string.

Export value is empty.

Transceiver firmware version expressed as a string.

Export value is empty.

The physical process used to calibrate the transducer, as specified under Calibration acquisition method on the Notes page of the Transducer Properties dialog box.

CalibrationAcquisitionMethod is an ICES code from AC_AcquisitionMethod.

The calculation method used to calibrate the transducer, as specified under Calibration processing method on the Notes page of the Transducer Properties dialog box.

CalibrationProcessingMethod is an ICES code from AC_ProcessingMethod.

Calibration report URL link or reference to an external document expressed as a string.

Export value is empty.

Comments on calibration expressed as a string.

Export value is empty.

Name of software that controls echosounder and its data logging expressed as a string.

DataAcquisitionSoftwareName is an ICES code under AC_DataAcquisitionSoftwareName.

Export value is empty.

Data acquisition software version expressed as a string.

Export value is empty.

Data file type for the echogram data. This is read from the data file and is output as an ICES code under AC_StoredDataFormat.

Note: When the supplied data (file format) does not appear in the AC_StoredDataFormat list, DataAcquisitionStoredDataFormat is left blank.

Comments on data acquisition expressed as a string.

Export value is empty.

The name of the software used to process the echogram data.

DataProcessingSoftwareName is an ICES code from AC_DataProcessingSoftwareName.

The version of the software used to process the echogram data. This is the Echoview version number.

Indicates the status of the AC Triwave correction used with the transducer, as specified under Triwave correction used on the Notes page of the Transducer Properties dialog box.

DataProcessingTriwaveCorrection is an ICES code from AC_TriwaveCorrection.

This is a unique identifier for each data channel expressed as a string.

Export value is empty.

Bandwidth in kHz associated with the processed data.

Export value is empty.

The echogram ping Frequency (kHz). The value for Frequency on the Calibration page of the Variable Properties dialog box. May be read from the data file. If absent from the data file, Echoview uses a default value. The Frequency may be specified by an ECS file.

Frequency can be specified by an ECS file.

The value for TransmittedPower (W) on the Calibration page of the Variable Properties dialog box. May be read from the data file. If absent from the data file, Echoview uses a default value of 2000 W. TransmittedPower can be specified by an ECS file.

TransmittedPower can be specified by an ECS file.

The value for PulseDuration (ms) on the Calibration page of the Variable Properties dialog box. It is commonly read from the data file.

PulseDuration can be specified by an ECS file.

The transducer gain when the transducer points directly at a calibration sphere.

The value for TransducerGain (dB) on the Calibration page of the Variable Properties dialog box. It is commonly read from the data file. When absent from the data file, Echoview uses a default value of 26.5 dB.

TransducerGain can be specified by an ECS file.

Data processing Sa correction in dB, expressed as a string.

The value may be used for Simrad Ex60 or Simrad EK80 data calibration.

SaCorrectionFactor can be specified by an ECS file.

Export value is empty.

Sound absorption coefficient (dB/m) for the absorption of sound in seawater.

A value for AbsorptionCoefficient may be displayed on the Calibration page of the Variable Properties dialog box.

AbsorptionCoefficient can be specified by an ECS file.

Export value is empty.

Data processing absorption description expressed as a string. Content may cover equations used to calculate absorption, input data sources for the calculations and the nature of the nominal value for the entire dataset.

Export value is empty.

The speed of sound (m s-1) in seawater as used by the transceiver.

A value for SoundSpeed may be displayed on the Calibration page of the Variable Properties dialog box.

SoundSpeed can be specified by an ECS file.

Export value is empty.

Data processing sound speed description expressed as a string. Content may cover equations used to calculate the speed of sound, input data sources for the calculations and the nature of the nominal value for the entire dataset.

Export value is empty.

The value for TwoWayBeamAngle (dB re 1 steradian) on the Calibration page of the Variable Properties dialog box. It is commonly read from the data file. When absent from the data file, Echoview uses a default value of -20.6 dB re 1 steradian.

TwoWayBeamAngle can be specified by an ECS file.

The content from Notes under the echogram's Variable Properties dialog box.

Describes the acoustic survey under which the echogram data was acquired.

The ICES name code for the acoustic survey as specified under Name on the Notes page of the EV File Properties dialog box.

Integer value for a description from the European Directory of Marine Organizations (EDMO).

CruiseOrganisation is an ICES code under EDMO.

Export value is empty.

The cell distance (nmi).

It is based on either the vessel log distance or the GPS distance depending upon the current setting of Vessel log distance under Show time/distance grid on the Variable Properties dialog box.

If a Vessel log distance is selected then LogDistance is equivalent to one of:

• Echoview VL_start.
• Echoview VL_mid.
• Echoview VL_end.

Otherwise, LogDistance is equivalent to one of:

• Echoview Dist_S.
• Echoview Dist_M.
• Echoview Dist_E.

The time of the first, mid or last ping in the cell (in ISO 8601 format), depending upon the selection of Export analysis variables using on the Export ICES Format dialog box.

The GPS-based cell latitude in decimal degrees.

LogLatitude is equivalent to one of:

• Echoview Lat_S.
• Echoview Lat_M.
• Echoview Lat_E.

The GPS-based cell longitude in decimal degrees.

LogLongitude is equivalent to one of:

• Echoview Lon_S.
• Echoview Lon_M.
• Echoview Lon_E.
Which of the three is used depends upon the selection of Export analysis variables using on the Export ICES Format dialog box.

The GPS-based location in the cell (in the ping dimension) for LogDistance, LogTime, LogLatitude and LogLongitude as represented by the ICES code from AC_LogOrigin.

LogOrigin is specified by LogOrigin fix from cell on the Export to ICES CSV Format dialog box.

• Cell start is equivalent to the Echoview cell start.
• Cell middle is equivalent to the Echoview cell middle.
• Cell end is equivalent to the Echoview cell end.

Logged bottom depth (m).

Export value is empty.

Specifies the validity-status of the cell-middle GPS as represented by an ICES code from AC_LogValidity.

LogValidity I (Invalid) is equivalent to the Echoview ping position status of uncertain or unknown.

LogValidity V (Valid) is equivalent to the Echoview ping position status of good.

The cell size, from first ping to last ping in the cell.

This value is specified under Show time/distance grid: Distance between grid lines on the Grid page of the echogram's Variable Properties dialog box.

The location of the ping axis interval value in the ping axis interval: Start, Middle or End.

SamplePingAxisIntervalOrigin is an ICES code from AC_DataPingAxisIntervalOrigin.

Export value is empty.

Description of the echogram species content, as represented by an ICES code from AC_SaCategory.

Under an Analysis By Cells export, the value is entered as SA species category on the Export to ICES CSV Format dialog box.

Under an Analysis By Region Classes by Cells export, the value is the Echoview region class of the region.

Export, Analysis by Cells

User specified export calculation under Export analysis data type on the Export to ICES CSV Format dialog box.

ICES code A represents the Mean Sv calculation.

ICES code C represents the NASC calculation.

ICES code D represents the ABC calculation.

Export, Analysis by Region Classes by Cells

User specified export calculation under Export analysis data type on the Export to ICES CSV Format dialog box.

ICES code A represents the Mean Sv calculation.

ICES code C represents the PRC_NASC calculation.

ICES code D represents the PRC_ABC calculation.

Unit for DataType.

ICES code dbm-1 is the unit for the Mean Sv calculation.

ICES code m2nmi-2 is the unit for the NASC or PRC_NASC calculation.

ICES code m2m-2 is the unit for the ABC or PRC_ABC calculation.

Export, Analysis by Cells

Mean Sv (dB re 1 m-1) value

NASC (m2/nmi2) value

ABC (m2/m2) value

Export, Analysis by Region Classes by Cells

Mean Sv (dB re 1 m-1) value

PRC_NASC (m2/nmi2) value

PRC_ABC (m2/m2) value

Region classes by Cells notes:

• Sv_mean is calculated in the cell by considering samples in the regions of the specified region class. All other samples in the cell are deemed no-data.
• NASC or ABC for a region class in a cell matches the PRC_NASC or PRC_ABC of regions of the specified region class intersecting the cell.