SCIENTIFIC RESEARCH EQUIPMENT

Teledyne Reson

https://www.manualslib.com/products/Reson-Seabat-7125-Sv2-6921640.html

r/v Oceanograf

physical and geophysical sciences; hydrography; Earth and related environmental sciences

multibeam echosoudner, MBES, bathymetry, bottom shape, backscatter, water column, identification of objects (e.g. wreck, UXO)

The r/v Oceanograf is equipped with a SeaBat 7125 multibeam echosounder by Teledyne Reson. It can operate at two frequencies 200 and 400 kHz. The angular width of the transmitted beam for both frequencies, is 140°. The angular resolution of a single beam is 0.54°±0.03° x 1.1°±0.2° across and along the profile for 400 kHz and 1.1°±0.05° x 2.2°±0.5° for 200 kHz respectively. The maximum ping frequency reaches 50 Hz for both operating frequencies.

The device is used in conjunction with other supporting devices: GPS RTK, IMU, gyro, SVP/CTD and works based on the Qinsy. Qimera and Fledermaus (QPS) software.

Multibeam echosounder is a basic echosounder used in wide-angle seafloor observation techniques and provides information on the depths present in a given study area (bathymetry). MBES enables the collection of data from the water column (eg about fish stocks or the gas released from sediment) as well as provides information on the ‘hardness’ of the seabed and is used to distinguish between different types of seabed, such as hard rock or soft sediments through backscatter data registrations. The MBES echosoudner is also used to identify objects on the seabed.

DOI: 10.1016/j.scitotenv.2020.140306

Only used on r/v Oceanograf cruises

Edge Tech

https://www.edgetech.com/wp-content/uploads/2019/07/0004842_Rev_P.pdf

Institute of Oceanography, Gdynia

physical and geophysical sciences; hydrography; Earth and related environmental sciences

side scan sonar, SSS, backscatter, type of sediments, identification of objects (e.g. wreck, UXO)

The sonar used in the survey on r/v Oceanograf is a cable towed side scan sonar model 4200P, produced by EdgeTech, operating at two frequencies: 300 and 900 kHz with a maximum ping rate of 12 ms and 3 ms – for 300 and 900 kHz respectively. When operating at 300 kHz, the device provides a data set at a lateral range of 230 m to port and starboard, while when operating at 900 kHz – the range reaches 75 m and the image has a higher resolution. The maximum depth at which the sonar can operate is 300 m. The sonar has a V-wing depressor that allows you to leave the sonar at a depth of min. 100 m.

The device is used in conjunction with other supporting devices: GPS RTK, gyro, USBL and works based on the Qinsy (QPS), Discover (EdgeTech) and Sonar Wiz (Chesapeake Technology) software.

Side scan sonar is used in hydroacoustic seabed detection methods to identify the nature of the seabed and types of surface sediments, as well as to locate anthropogenic objects lying on the seabed, collecting backscattering data.

DOI: 10.1016/j.scitotenv.2020.140306

Jakub Idczak, PhD
jakub.idczak@ug.edu.pl
+48 58 523 68 85

Jakub Idczak, PhD
jakub.idczak@ug.edu.pl
+48 58 523 68 85

a) scientific research
b) commercial activities
c) education

Used during cruises on various vessels

Edge Tech

https://www.edgetech.com/wp-content/uploads/2019/07/0004802_Rev_F.pdf

Institute of Oceanography, Gdynia

physical and geophysical sciences; hydrography; Earth and related environmental sciences

sub-bottom profiler, SBP, layers of bottom sediments

On board r/v Oceanograf there is a sub-bottom profiler model 3100P with TowFish SB-216S by EdgeTech. This device operates in the 2-16 kHz frequency range (chirp type). The towed fish is fitted with transducers and hydrophones mounted under an acoustic baffle inside the unit. Sediment penetration using the SB-216S ranges from about 6 m for coarse sands and gravels to about 80m for acoustically soft sediments (e.g. mud). The beam width ranges from 17° to 24° depending on the selected operating frequency range (17°: 2 – 15 kHz, 20°: 2 – 12 kHz, 24°: 2 – 10 kHz ). Depending on the operating mode, the device collects data with a vertical resolution of 6 to 10 cm. The maximum depth at which the SBP can operate is 300 m.

The device is used in conjunction with other supporting devices: GPS RTK, gyro, USBL and works based on the Discover (EdgeTech) software.

A sub-bottom profiler is a hydroacoustic device used in shallow seismic surveys. The SBP is used for mapping of seabed structures, including: i) geological recognition of the bottom sediments that build the seabed; ii) search for sand deposits – determination of the thickness of the sand bed and the extension of its layers; iii) recognition of ground conditions for the construction of hydro-technical structures; iv) planning of routes of benthic pipelines and cables.

DOI: 10.1016/j.scitotenv.2020.140306

Jakub Idczak, PhD
jakub.idczak@ug.edu.pl
+48 58 523 68 85

Dominik Pałgan, PhD
dominik.palgan@ug.edu.pl
+48 58 523 68 19

a) scientific research
b) commercial activities
c) education

Used during cruises on various vessels

Simrad

https://ngdc.noaa.gov/mgg/wcd/simradEK80manual.pdf

r/v Oceanograf

biological and physical sciences; Earth and related environmental sciences

split-beam echosounder, abundance esstimation, fish biomass, fish migration, target strength, TS

The Simrad EK80 is the most modern “high end” split beam scientific echo sounder in the fishery scientific. The r/v Oceanograf vessel has three split-beam echosounders model EK80 with the 38 kHz, 120 kHz and 333 kHz transducers.

The device is used in conjunction with other supporting devices: GPS, IMU, gyro, SVP/CTD and works based on the EK80 (Simrad) software.

The split-beam echosounders are used to estimate the biomass of fish or track thei migration. These echosounders can also be used to observe escaping gas from the seabed sediments into the water column.

DOI: 10.1016/j.scitotenv.2020.140306

Jakub Idczak, PhD, Hydrographer cat. A (IHO)
Jakub.idczak@ug.edu.pl
+48 58 523 68 85

Karolina Trzcińska, MSc
karolina.trzcinska@ug.edu.pl
+48 58 523 68 20

Only used on r/v Oceanograf cruises

Applied Acoustics

https://www.subseatechnologies.com/media/files/files/167d609c/EZT-2690-8000-8_Easytrak_Nexus_Operator_Manual.pdf

r/v Oceanograf

Ultar-short baseline, USBL, underwater navigation

The Easytrack Nexus hydroacoustic transducer is located in the starboard hull of the catamaran. During operation, the transducer is extended below the keel by a hydraulic outrigger to a distance of about 1 m while maintaining horizontal visibility of 360°. The USBL head’s lowering/lifting system allows the transducer to be inspected both at sea and in port, without the need to dock the vessel, and the transducer can be safely stowed inside the hull for the duration of the survey.

The device works with the following systems: GPS RTK, IMU, ROV, SBP, SSS and Qinsy (QPS) software.

We use the USBL underwater navigation system, model Easytrack Nexus by Applied Acoustics, when we work with data recording devices while towing them behind the vessel (such as Side Scan Sonar, Sub-bottom profiler), or others requiring underwater navigation while conducting underwater target inspection such as Remotely operated underwater vehicles (ROV).

DOI: 10.1016/j.scitotenv.2020.140306

Prof. Jarosław Tęgowski
jaroslaw.tegowski@ug.edu.pl
+48 58 523 68 24

Jakub Idczak, PhD, Hydrographer cat. A (IHO)
jakub.idczak@ug.edu.pl
+48 58 523 68 85

a) scientific research
b) commercial activities
c) education

Only used on r/v Oceanograf cruises

Teledynie RD Instruments

https://www.comm-tec.com/Prods/mfgs/rdi/manuals/Monitor%20User%20Guide.pdf

r/v Oceanograf

physical and geophysical sciences; hydrography; Earth and related environmental sciences

ADCP, acoustic doppler current profiler, speed and direction of sea currents

The ADCP is located in the port hull of the ship near the bow. 4-beam transducer works at 600kHz frequency, operating range up to 70m. The Mariner is an accurate, rapid sampling current profiling system designed to operate from a moving boat. The unit is easily integrated into the vessel’s DGPS input to provide integrated ADCP readings with precise position information.

The device works with the following systems: GPS RTK, IMU and Qinsy (QPS) software.

An Acoustic Doppler Current Profiler (ADCP) measures the vertical distribution of the water speed as well as the direction of the current.

Jakub Idczak, PhD, Hydrographer cat. A (IHO)
Jakub.idczak@ug.edu.pl
+48 58 523 68 85

Jakub Idczak, PhD, Hydrographer cat. A (IHO)
Jakub.idczak@ug.edu.pl
+48 58 523 68 85

a) scientific research
b) commercial activities
c) education

Only used on r/v Oceanograf cruises

iXblue

www

r/v Oceanograf

physical and geophysical sciences; hydrography; Earth and related environmental sciences

Inertail Measurement Unit, IMU, Motion Referense Unit, MRU

For the smooth operation of measurement systems that require information on the roll, pitch, heave and heading of the vessel during measurements – such as e.g. MBES, USBL an OCTANS Surface model inertial measurement unit (IMU) was also installed on board. The unit was placed at the ship’s Center of Gravity (CoG). The accuracy of installed angle measurements is < 0.03° for Heading and 0.001° for Roll and Pitch.

The device works with the following systems: MBES, split-beam, USBL.

Used in work with devices that require information about the roll, pitch, heave and heading of the vessel during measurements.

DOI: 10.1029/2019EA000983

Prof. Jarosław Tęgowski
jaroslaw.tegowski@ug.edu.pl
+48 58 523 68 24

Only used on r/v Oceanograf cruises

Trimble

https://www.sitech-japan.com/stj/file/solutions/022482-2508C_SPS855_DS-USL_072916.pdf

r/v Oceanograf

GPS RTK

TThe RTK (real-time kinematic) GPS (global positioning system), including a Trimble SPS855 modular receiver with a Trimble ZEPHYR Model 2 Rugged GNSS antenna, is used to position the vessel as well as the sensors of the measurement equipment on board r/v Oceanograf using position corrections transmitted from EUPOS/SAPOS systems via an internet connection. The system provides information about geographical coordinates, which are necessary to determine the location of the place of measurement. By dint of the applied solution it is possible to obtain high position accuracy, depending on the access to DGPS, RTK corrections. In the case of access to the RTK corrections the accuracy of the horizontal position can even be below 1 cm, while for the vertical position – below 2 cm.

Vessel GPS system.

Only used on r/v Oceanograf cruises

Valeport

https://www.valeport.co.uk/content/uploads/2021/07/0660880e-miniSERIES-Operating-Manual.pdf

r/v Oceanograf

SVP, Sound Velocity Profiler/Probe, SVS, Sound Velocity Sensor

Using its internal batteries, this device operates autonomously and starts up immediately after being dropped into the water. Measurements are made at a preset depth step and are triggered as the probe is lowered to the bottom of the body of water.

Used in research with hydroacoustic devices.

Valeport’s miniSVP provides direct measurement of the speed of sound in a column of water. Often used in working with hydroacoustic devices.

Prof. Jarosław Tęgowski
jaroslaw.tegowski@ug.edu.pl
+48 58 523 68 24

Karolina Trzcińska, MSc
karolina.trzcinska@ug.edu.pl
+48 58 523 68 20

a) scientific research
b) commercial activities
c) education

Used during cruises on various vessels

Valeport

https://www.valeport.co.uk/content/uploads/2021/07/0660880e-miniSERIES-Operating-Manual.pdf

r/v Oceanograf

different types of research

SVP, Sound Velocity Profiler/Probe, SVS, Sound Velocity Sensor

Technical data:
• the device can work in the depth range 0 – 500 m;
• the device can work autonomously as it can be powered by batteries and it has an internal memory;
• pressure measurement is performed with an accuracy of 0.05% and a resolution of 0.001% of the maximal pressure;
• temperature measurement is performed with an accuracy of at least 0.01 °C and a resolution of 0.001 °C;
• salinity measurement is performed with accuracy of 0.01 PSU and resolution of 0.001 PSU;
• measurement may be performed continuously with the frequency of 1, 2, 4 or 8 Hz or at selected depths.

Used in many oceanographic studies, including work with hydroacoustic devices.

Valeport’s miniCTD Profiler is used to directly measure conductivity, pressure and temperature in the water column. These parameters are also used to calculate (indirectly) water salinity, density as well as the value of the speed of sound in the water column, which is a critical parameter when working with the hydroacoustic equipment installed on the r/v Oceanograf ship.

DOI: 10.1016/j.scitotenv.2020.140306

Maciej Matciak, PhD
maciej.matciak@ug.edu.pl
+48 58 523 68 73

Maciej Matciak, PhD
maciej.matciak@ug.edu.pl
+48 58 523 68 73

a) scientific research
b) commercial activities
c) education

Used during cruises on various vessels