Metadata Report for BODC Series Reference Number 1743030
Metadata Summary
Problem Reports
Data Access Policy
Narrative Documents
Project Information
Data Activity or Cruise Information
Fixed Station Information
BODC Quality Flags
SeaDataNet Quality Flags
Metadata Summary
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Problem Reports
From examination of the periods when the recorded pressure is significantly greater than the nominal depth of the moored instrument, BODC consider that for the following periods, data quality is significantly affected by knockdown of all the moorings:
- Beginning of the mooring deployment to 23rd September 2012.
- 27th January 2013 to 31st January 2013.
- 16th February 2013 to 20th February 2013.
- 6th March 2013 to 7th March 2013.
- 20th April 2013 to 25th April 2013.
- 3rd May 2013 to 8th May 2013.
- 21st May 2013 to 8th June 2013.
During these periods, all parameters have been flagged as suspect and users are advised to use this data with extreme caution.
OSMOSIS RRS Discovery D381A and D381B Moored Current Meter Quality Report
The data originator notes that the quality of this data varies, in that the vertical gradient tends to show pronounced errors at 150m. It was not possible to fully explain or resolve this feature, but it was thought that it could relate to acoustic reverberation from nearby instruments or mooring-related structures.
Data Access Policy
Open Data
These data have no specific confidentiality restrictions for users. However, users must acknowledge data sources as it is not ethical to publish data without proper attribution. Any publication or other output resulting from usage of the data should include an acknowledgment.
If the Information Provider does not provide a specific attribution statement, or if you are using Information from several Information Providers and multiple attributions are not practical in your product or application, you may consider using the following:
"Contains public sector information licensed under the Open Government Licence v1.0."
Narrative Documents
Nortek Aquadopp Open Water Current Meter
This instrument provides 3D acoustic doppler current measurements along with standard measurements of temperature, pressure, tilt and direction. It can be used in real time measurement situations or can log to an internal recorder powered by internal batteries. It can also be configured to measure surface wave height, period and direction concurrently. It has the unique feature of being run in 'diagnostic' mode when set to collect data at 1 Hz frequency in user specified intervals. This allows studies of mooring motion and the performance of other current meters to be conducted. It can be set in various configurations with titanium housings for deployment at greater depths.
Standard Measured Parameters
- 3D current velocity (East/North/Up, X/Y/Z or Beam 1/2/3)
- Acoustic signal strength (Beam 1/2/3)
- Compass
- Tilt
- Temperature
- Pressure
- Battery voltage
- Status code
- Error code
Surface wave monitoring
The standard Aquadopp is suitable for measuring surface wave height, period, and direction, which are calculated using the PUV method whereby spectra are estimated based on a combination of the pressure signal recorded by the instrument (P) and two horizontal components of the wave orbital velocity (U and V). More specifically, the pressure signal is used to provide an estimate of the wave frequency spectrum. The energy in this spectrum is then used to estimate wave height and period. The measurements of the wave orbital velocities are used to provide an estimate of the wave direction. Since these estimates are based on the distribution of wave energy and are not direct measurements of the free surface, they should be considered inferred estimates.
Both the dynamic pressure and the orbital velocities are driven by surface waves. The signals that are associated with these properties are complicated by the fact that they attenuate (that is the signals are weaker) with depth. The exact behaviour of the attenuation is determined by the water depth and the wavelength being observed. The greater the water depth the greater the attenuation; likewise, the shorter the wavelength (or higher the frequency of the wave) the greater the attenuation for a given water depth. This means that the estimation of wave parameters is limited by both water depth and wave frequency.
Specifications
Water Velocity Measurement | |
---|---|
Range | ± 5 m/s (standard 300 m version) ± 3 m/s (3000 m and 6000 m versions - higher ranges available on request) |
Accuracy | 1% of measured value ± 0.5 cm/s |
Max. sampling rate | 1 Hz, 4 Hz also available on request (standard version) |
Internal sampling rate | 23 Hz |
Measurement Area | |
Measurement cell size | 0.75 m |
Measurement cell position | 0.35 - 5.0 m |
Default position | 0.35 - 1.8 m |
Doppler uncertainty (noise) | |
Typical | 0.5 - 1.0 cm/s |
At 1 Hz sampling rate | 1.5 cm/s |
Echo Intensity | |
Acoustic frequency | 2 MHz |
Resolution | 0.45 dB |
Dynamic range | 90 dB |
Sensors | |
Temperature | Thermistor embedded in head |
Range | -4°C to 40°C |
Accuracy/resolution | 0.1°C / 0.01°C |
Time response | 10 min |
Compass | Magnetometer |
Accuracy/Resolution | 2° / 0.1° for tilt < 20° |
Tilt | Liquid level |
Maximum tilt | 30° |
Up or down | Automatic detect |
Pressure | Piezoresistive |
Range | 0 - 300 m (standard), 0 - 3000 m or 0 - 6000 m |
Accuracy/resolution | 0.5% |
Analogue Inputs | |
No. of channels | 2 |
Voltage supply | 12 V |
Voltage input | 16 bit A/D |
Materials | |
Standard version | Delrin with titanium screws |
3000 m version | Delrin with titanium screws |
6000 m version | Titanium with Delrin transducer head |
Environmental | |
Operating temperature | -4°C to 40°C |
Dimensions | |
Cylinder | 568 mm x 75 mm (standard) 619 mm x 84 mm (3000 m version) 625 mm x 84 mm (6000 m version) |
Weight in air | 3.5 kg (standard) 3.6 kg (3000 m version) 7.6 kg (6000 m version) |
Weight in water | Neutral (standard) 1.2 kg (3000 m version) 4.8 kg (6000 m version) |
Further details can be found in the manufacturer's specification sheets for the Aquadopp, Aquadopp 3000 and Aquadopp 6000.
BODC Processing
The data arrived at BODC in 60 Matlab files representing each Nortek sensor deployed during cruises D381A and D381B. No data file was received from the NE outer mooring serial number 1420, as this failed to log any data.
The data were reformatted to a BODC internal NetCDF format. The following table shows the mapping of variables within the Matlab file to appropriate BODC parameter codes:
Original parameter name | Original Units | Description | BODC Parameter Code | BODC Units | Comments |
---|---|---|---|---|---|
mtime | Matlab time | Date and time from 00:00 01/01/1760 | AADYAA01 and AAFDZZ01 | Day number and day fraction (GMT) | Conversion by transfer |
u | m.s-1 | Northward current velocity (Eulerian) in the water body by in-situ current meter | LCNSEl01 | cm.s-1 | *100 |
v | m.s-1 | Eastward current velocity (Eulerian) in the water body by in-situ current meter | LCEWEL01 | cm.s-1 | *100 |
pressure | decibars | Pressure (measured variable) exerted by the water body by fixed in-situ pressure sensor and corrected to read zero at sea level | PRESPS01 | decibars | |
temperature | °C | Temperature of the water body | TEMPPR01 | °C | |
sound speed | m.s-1 | Sound velocity in the water body by computation from temperature and salinity by unspecified algorithm | SVELCV01 | m.s-1 | |
pitch | degrees | Orientation (pitch) of measurement platform by triaxial fluxgate compass | PTCHFG01 | degrees | |
roll | degrees | Orientation (roll angle) of measurement platform by triaxial fluxgate compass | ROLLFG01 | degrees | |
heading | degrees True | Orientation (horizontal relative to true north) of measurement device | HEADCM01 | degrees True |
Following reformatting, the data were screened using BODC in-house visualisation software, EDSERPLO.
Originator's Data Processing
Sampling strategy
A cluster of 9 moorings were deployed in the vicinity of the Porcupine Abyssal Plain Observatory. Each mooring contained between 5 and 13 Nortek Aquadopp single-point current meters.
Data Processing
The originator carried out the following processing:
- Data were converted from .aqd files to Matlab files using Nortek "bin2mat" software
- One Matlab file was created per mooring.
- The positions of the deployments were taken from the cruise report and added to the Matlab files.
- The files were truncated to cut off the deployment and recovery times of the mooring. These were identified by changes in the pressure channel.
The originator also created raw and gridded versions of the files, which are available on request.
Project Information
Ocean Surface Mixing, Ocean Sub-mesoscale Interaction Study (OSMOSIS)
Background
The Ocean Surface Mixing, Ocean Sub-mesoscale Interaction Study (OSMOSIS) consortium was funded to deliver NERC's Ocean Surface Boundary Layer (OSBL) programme. Commencing in 2011, this multiple year study will combine traditional observational techniques, such as moorings and CTDs, with the latest autonomous sampling technologies (including ocean gliders), capable of delivering near real-time scientific measurements through the water column.
The OSMOSIS consortium aims to improve understanding of the OSBL, the interface between the atmosphere and the deeper ocean. This layer of the water column is thought to play a pivotal role in global climate and the productivity of our oceans.
OSMOSIS involves collaborations between scientists at various universities (Reading, Oxford, Bangor, Southampton and East Anglia) together with researchers at the National Oceanography Centre (NOC), Scottish Association for Marine Science (SAMS) and Plymouth Marine Laboratory (PML). In addition, there are a number of project partners linked to the consortium.
Scientific Objectives
- The primary goal of the fieldwork component of OSMOSIS is to obtain a year-long time series of the properties of the OSBL and its controlling 3D physical processes. This is achieved with an array of moorings (two nested clusters of 4 moorings, each centred around a central mooring) and gliders deployed near the Porcupine Abyssal Plain (PAP) observatory. Data obtained from this campaign will help with the understanding of these processes and subsequent development of associated parameterisations.
- OSMOSIS will attempt to create parameterisations for the processes which determine the evolving stratification and potential vorticity budgets of the OSBL.
- The overall legacy of OSMOSIS will be to develop new (physically based and observationally supported) parameterisations of processes that deepen and shoal the OSBL, and to implement and evaluate these parameterisations in a state-of-the-art global coupled climate model, facilitating improved weather and climate predictions.
Fieldwork
Three cruises are directly associated with the OSMOSIS consortium. Preliminary exploratory work in the Clyde Sea (September 2011) to hone techniques and strategies, followed by a mooring deployment and recovery cruise in the vicinity of the Porcupine Abyssal Plain (PAP) observatory (in late Summer 2012 and 2013 respectively). Additional opportunist ship time being factored in to support the ambitious glider operations associated with OSMOSIS.
Instrumentation
Types of instrumentation and measurements associated with the OSMOSIS observational campaign:
- Ocean gliders
- Wave rider buoys
- Towed SeaSoar surveys
- Microshear measurements
- Moored current meters, conductivity-temperature sensors and ADCPs
- Traditional shipboard measurements (including CTD, underway, discrete nutrients, LADCP, ADCP).
Contacts
Collaborator | Organisation |
---|---|
Prof. Stephen Belcher | University of Reading, U.K |
Dr. Alberto C Naveira Garabato | University of Southampton, U.K |
Data Activity or Cruise Information
Data Activity
Start Date (yyyy-mm-dd) | 2012-09-05 |
End Date (yyyy-mm-dd) | 2013-09-07 |
Organization Undertaking Activity | University of Southampton School of Ocean and Earth Science |
Country of Organization | United Kingdom |
Originator's Data Activity Identifier | OSMOSIS SE inner |
Platform Category | subsurface mooring |
OSMOSIS south-east inner mooring
The short term moorings were deployed and recovered during cruise RRS Discovery D381A as part of the Ocean Surface Mixing, Ocean Submesoscale Interaction Study (OSMOSIS) project.
The target for the inner south-east mooring was 48° 40.740' N, 16° 10.440' W in approximately 4,830 m of water. The mooring consisted of 50 Star-Oddi thermistors, one upward pointing 75 kHz ADCP, seven Nortek single-point current meters and seven SBE 37 MicroCAT sensors. In addition, a light and Argo tag were fixed at the top of the mooring.
Instruments deployed on the mooring
Instrument and equipment | Instrument serial number | Depth relative to surface |
---|---|---|
Thermistor | T4269 | 33 |
Light | W06-006 | 36 |
ARGO tag | A02-019 | 36 |
Thermistor | T4270 | 47 |
Nortek CM | 9877 | 53 |
Thermistor | T4271 | 54 |
SBE 37 MicroCAT | 9386 | 54 |
Thermistor | T4272 | 59 |
Thermistor | T4273 | 64 |
Thermistor | T4274 | 69 |
Thermistor | T4275 | 74 |
Thermistor | T4276 | 79 |
Thermistor | T4277 | 84 |
Thermistor | T4278 | 89 |
Thermistor | T4279 | 94 |
Thermistor | T4280 | 99 |
Nortek CM | 9881 | 110 |
Thermistor | T4281 | 110 |
SBE 37 MicroCAT | 9387 | 110 |
Thermistor | T4282 | 115 |
Thermistor | T4283 | 120 |
Thermistor | T4284 | 125 |
Thermistor | T4285 | 130 |
Thermistor | T4286 | 135 |
Thermistor | T4287 | 140 |
Thermistor | T4288 | 145 |
Thermistor | T4289 | 150 |
Nortek CM | 9885 | 159 |
SBE 37 MicroCAT | 9388 | 160 |
Thermistor | T4290 | 162 |
Thermistor | T4291 | 171 |
Thermistor | T4292 | 180 |
Thermistor | T4293 | 189 |
Thermistor | T4433 | 198 |
Thermistor | T4434 | 207 |
Thermistor | T4437 | 216 |
Nortek CM | 9905 | 228 |
Thermistor | T4439 | 228 |
SBE 37 MicroCAT | 9389 | 229 |
Thermistor | T4440 | 234 |
Thermistor | T4441 | 244 |
Thermistor | T4442 | 254 |
Thermistor | T4443 | 264 |
Thermistor | T4444 | 274 |
Thermistor | T4445 | 284 |
Thermistor | T4446 | 293 |
Nortek CM | 9909 | 298 |
SBE 37 MicroCAT | 9390 | 299 |
Thermistor | T4447 | 305 |
Thermistor | T4448 | 319 |
Thermistor | T4478 | 334 |
Thermistor | T4450 | 348 |
Nortek CM | 9912 | 352 |
SBE 37 MicroCAT | 7314 | 353 |
Thermistor | T4451 | 363 |
Thermistor | T4452 | 378 |
Thermistor | T4453 | 393 |
Thermistor | T4454 | 408 |
Thermistor | T4455 | 423 |
Thermistor | T4456 | 438 |
75 kHz ADCP | LR17826 | 452 |
Thermistor | T4457 | 453 |
Thermistor | T4458 | 465 |
Thermistor | T4459 | 480 |
Thermistor | T4460 | 495 |
Nortek CM | 9926 | 513 |
SBE 37 MicroCAT | 7315 | 514 |
Release | 1140/1497 | 4816 |
Related Data Activity activities are detailed in Appendix 1
Cruise
Cruise Name | D381A |
Departure Date | 2012-08-28 |
Arrival Date | 2012-09-13 |
Principal Scientist(s) | Alberto C Naveira Garabato (University of Southampton School of Ocean and Earth Science) |
Ship | RRS Discovery |
Complete Cruise Metadata Report is available here
Fixed Station Information
No Fixed Station Information held for the Series
BODC Quality Control Flags
The following single character qualifying flags may be associated with one or more individual parameters with a data cycle:
Flag | Description |
---|---|
Blank | Unqualified |
< | Below detection limit |
> | In excess of quoted value |
A | Taxonomic flag for affinis (aff.) |
B | Beginning of CTD Down/Up Cast |
C | Taxonomic flag for confer (cf.) |
D | Thermometric depth |
E | End of CTD Down/Up Cast |
G | Non-taxonomic biological characteristic uncertainty |
H | Extrapolated value |
I | Taxonomic flag for single species (sp.) |
K | Improbable value - unknown quality control source |
L | Improbable value - originator's quality control |
M | Improbable value - BODC quality control |
N | Null value |
O | Improbable value - user quality control |
P | Trace/calm |
Q | Indeterminate |
R | Replacement value |
S | Estimated value |
T | Interpolated value |
U | Uncalibrated |
W | Control value |
X | Excessive difference |
SeaDataNet Quality Control Flags
The following single character qualifying flags may be associated with one or more individual parameters with a data cycle:
Flag | Description |
---|---|
0 | no quality control |
1 | good value |
2 | probably good value |
3 | probably bad value |
4 | bad value |
5 | changed value |
6 | value below detection |
7 | value in excess |
8 | interpolated value |
9 | missing value |
A | value phenomenon uncertain |
B | nominal value |
Q | value below limit of quantification |
Appendix 1: OSMOSIS SE inner
Related series for this Data Activity are presented in the table below. Further information can be found by following the appropriate links.
If you are interested in these series, please be aware we offer a multiple file download service. Should your credentials be insufficient for automatic download, the service also offers a referral to our Enquiries Officer who may be able to negotiate access.
Series Identifier | Data Category | Start date/time | Start position | Cruise |
---|---|---|---|---|
1766587 | Hydrography time series at depth | 2012-09-05 21:45:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766599 | Hydrography time series at depth | 2012-09-05 21:45:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766606 | Hydrography time series at depth | 2012-09-05 21:45:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766618 | Hydrography time series at depth | 2012-09-05 21:45:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766631 | Hydrography time series at depth | 2012-09-05 21:45:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800184 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800196 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800203 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800215 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800227 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800239 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800240 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800252 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800264 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800276 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800288 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800307 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800319 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800320 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800332 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800344 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800356 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800368 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800381 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800393 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800400 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800412 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800424 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800436 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800448 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800461 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800473 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800485 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800497 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800504 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800516 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800528 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800541 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800553 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800565 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800577 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800589 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800590 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800608 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800621 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800633 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800645 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800657 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800669 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800670 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800682 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800694 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800701 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800713 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1800725 | Hydrography time series at depth | 2012-09-05 21:46:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743017 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743029 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743042 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743054 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743066 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1743078 | Currents -subsurface Eulerian | 2012-09-05 21:50:00 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766643 | Hydrography time series at depth | 2012-09-05 21:50:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |
1766655 | Hydrography time series at depth | 2012-09-05 21:50:01 | 48.68033 N, 16.174 W | RRS Discovery D381A |