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Metadata Report for BODC Series Reference Number 610062


Metadata Summary

Data Description

Data Category Transmittance/attenuance, turbidity, or SPM conc.
Instrument Type Transmissometer
Instrument Mounting subsurface mooring
Originating Country United Kingdom
Originator -
Originating Organization University of Wales, Bangor School of Ocean Sciences (now Bangor University School of Ocean Sciences)
Processing Status banked
Online delivery of data Download available - Ocean Data View (ODV) format
Project(s) North Sea Project 1987-1992
NSP Resuspension Process Study
 

Data Identifiers

Originator's Identifier TR9999.C60S
BODC Series Reference 610062
 

Time Co-ordinates(UT)

Start Time (yyyy-mm-dd hh:mm) 1989-09-10 10:10
End Time (yyyy-mm-dd hh:mm) 1989-09-15 13:20
Nominal Cycle Interval 600.0 seconds
 

Spatial Co-ordinates

Latitude 52.67000 N ( 52° 40.2' N )
Longitude 3.68000 E ( 3° 40.8' E )
Positional Uncertainty 0.05 to 0.1 n.miles
Minimum Sensor or Sampling Depth 21.0 m
Maximum Sensor or Sampling Depth 21.0 m
Minimum Sensor or Sampling Height 9.0 m
Maximum Sensor or Sampling Height 9.0 m
Sea Floor Depth 30.0 m
Sea Floor Depth Source -
Sensor or Sampling Distribution Fixed common depth - All sensors are grouped effectively at the same depth which is effectively fixed for the duration of the series
Sensor or Sampling Depth Datum Sea floor reference - Depth measured as a height above sea floor but converted into a depth relative to the sea surface according to the same datum as used for sea floor depth (applicable to instrument depths not bathymetric depths)
Sea Floor Depth Datum Instantaneous - Depth measured below water line or instantaneous water body surface
 

Parameters

BODC CODERankUnitsTitle
AADYAA011DaysDate (time from 00:00 01/01/1760 to 00:00 UT on day)
AAFDZZ011DaysTime (time between 00:00 UT and timestamp)
ATTNZR011per metreAttenuation (red light wavelength) per unit length of the water body by transmissometer
TSEDTR011Milligrams per litreConcentration of suspended particulate material {SPM} per unit volume of the water body [particulate >unknown phase] by in-situ optical attenuance measurement and calibration against sample data

Definition of Rank

  • Rank 1 is a one-dimensional parameter
  • Rank 2 is a two-dimensional parameter
  • Rank 0 is a one-dimensional parameter describing the second dimension of a two-dimensional parameter (e.g. bin depths for moored ADCP data)

Problem Reports

No Problem Report Found in the Database


Data Access Policy

Open Data supplied by Natural Environment Research Council (NERC)

You must always use the following attribution statement to acknowledge the source of the information: "Contains data supplied by Natural Environment Research Council."


Narrative Documents

TRB-1 and TRB-2 Self-recording Transmissometers

The TRB-1 self-recording transmissometer was designed by the School of Ocean Sciences, University of Wales, Bangor and was sometimes known as the 'Mark III Transmissometer'. The instrument was developed commercially by W.S. Ocean Systems Limited and marketed with the designation TRB-2.

The instrument used a 660nm (red) source modulated at 400 Hz. The optical assembly incorporated a folded beam design to reduce instrument size to a minimum. The light beam was collimated using an achromatic lens, passed through a fixed length of the water column and reflected back to a photodiode receiver via a prism reflector. The optical path length could be fixed at either 5 cm, 10 cm or 25 cm.

Data were logged at the top of each minute as the average of 200 samples taken at 400 Hz. Timing was based on an accurate real-time clock emulated by the processor BIOS extension. Data were acquired by a multi-channel 12- bit data acquisition system resident on the motherboard resulting in a count between 0 and 4095.

Data were stored internally on a 2 MByte SRAM card giving storage for 120 days of data. After deployment, the data were downloaded in a simple ASCII format onto a PC.

TRB-2 instruments could be fitted with additional conductivity and temperature sensors.


Project Information

North Sea Project

The North Sea Project (NSP) was the first Marine Sciences Community Research project of the Natural Environment Research Council (NERC). It evolved from a NERC review of shelf sea research, which identified the need for a concerted multidisciplinary study of circulation, transport and production.

The ultimate aim of the NERC North Sea Project was the development of a suite of prognostic water quality models to aid management of the North Sea. To progress towards water quality models, three intermediate objectives were pursued in parallel:

  • Production of a 3-D transport model for any conservative passive constituent, incorporating improved representations of the necessary physics - hydrodynamics and dispersion;
  • Identifying and quantifying non-conservative processes - sources and sinks determining the cycling and fate of individual constituents;
  • Defining a complete seasonal cycle as a database for all the observational studies needed to formulate, drive and test models.

Proudman Oceanographic Laboratory hosted the project, which involved over 200 scientists and support staff from NERC and other Government funded laboratories, as well as seven universities and polytechnics.

The project ran from 1987 to 1992, with marine field data collection between April 1988 and October 1989. One shakedown (CH28) and fifteen survey cruises (Table 1), each lasting 12 days and following the same track, were repeated monthly. The track selected covered the summer-stratified waters of the north and the homogeneous waters in the Southern Bight in about equal lengths together with their separating frontal band from Flamborough head to Dogger Bank, the Friesian Islands and the German Bight. Mooring stations were maintained at six sites for the duration of the project.

Table 1: Details of NSP Survey Cruises on RRS Challenger
Cruise No. Date
CH28 29/04/88 - 15/05/88
CH33 04/08/88 - 16/08/88
CH35 03/09/88 - 15/09/88
CH37 02/10/88 - 14/10/88
CH39 01/11/88 - 13/11/88
CH41 01/12/88 - 13/12/88
CH43 30/12/88 - 12/01/89
CH45 28/01/89 - 10/02/89
CH47 27/02/89 - 12/03/89
CH49 29/03/89 - 10/04/89
CH51 27/04/89 - 09/05/89
CH53 26/05/89 - 07/06/89
CH55 24/06/89 - 07/07/89
CH57 24/07/89 - 06/08/89
CH59 23/08/89 - 04/09/89
CH61 21/09/89 - 03/10/89

Alternating with the survey cruises were process study cruises (Table 2), which investigated some particular aspect of the science of the North Sea. These included fronts (nearshore, circulation and mixing), sandwaves and sandbanks, plumes (Humber, Wash, Thames and Rhine), resuspension, air-sea exchange, primary productivity and blooms/chemistry.

Table 2: Details of NSP Process cruises on RRS Challenger
Cruise No. Date Process
CH34 18/08/88 - 01/09/88 Fronts - nearshore
CH36 16/09/88 - 30/09/88 Fronts - mixing
CH56 08/07/89 - 22/07/89 Fronts - circulation
CH58 07/08/89 - 21/08/89 Fronts - mixing
CH38 24/10/88 - 31/10/88 Sandwaves
CH40 15/11/88 - 29/11/88 Sandbanks
CH42 15/12/88 - 29/12/88 Plumes/Sandbanks
CH46 12/02/89 - 26/02/89 Plumes/Sandwaves
CH44 13/01/89 - 27/01/89 Resuspension
CH52 11/05/89 - 24/05/89 Resuspension
CH60 06/09/89 - 19/09/89 Resuspension
CH48 13/03/89 - 27/03/89 Air/sea exchanges
CH62 05/10/89 - 19/10/89 Air/sea exchanges
CH50 12/04/89 - 25/04/89 Blooms/chemistry
CH54 09/06/89 - 22/06/89 Production

In addition to the main data collection period, a series of cruises took place between October 1989 and October 1990 that followed up work done on previous cruises (Table 3). Process studies relating to blooms, plumes (Humber, Wash and Rhine), sandwaves and the flux of contaminants through the Dover Strait were carried out as well as two `survey' cruises.

Table 3: Details of NSP `Follow up' cruises on RRS Challenger
Cruise No. Date Process
CH62A 23/10/89 - 03/11/89 Blooms
CH64 03/04/90 - 03/05/90 Blooms
CH65 06/05/90 - 17/05/90 Humber plume
CH66A 20/05/90 - 31/05/90 Survey
CH66B 03/06/90 - 18/06/90 Contaminants through Dover Strait
CH69 26/07/90 - 07/08/90 Resuspension/Plumes
CH72A 20/09/90 - 02/10/90 Survey
CH72B 04/10/90 - 06/10/90 Sandwaves/STABLE
CH72C 06/10/90 - 19/10/90 Rhine plume

The data collected during the observational phase of the North Sea Project comprised one of the most detailed sets of observations ever undertaken in any shallow shelf sea at that time.


North Sea Project Resuspension Process Study

The ratio of particulate to dissolved material which is so important to water quality is affected by resuspension which, in turn, depends on the character of the sea bed, biological influences, tidal currents, wind, wave and seasonal stratification. The objectives of the three resuspension cruises were to make time series observations of physical, sedimentological and biological properties of the sediment, suspended particle material and water at two sites in the North Sea, using a variety of moored instruments, CTD/water bottle casts, pumped sampling and sediment grabs and box cores.

The two sites were:

    • Northern Site
    • 54° 35'N, 004° 50'E
    • 45m depth
    • muddy sand
    • seasonally stratified water column
    • Southern Site
    • 52° 40'N, 003° 40'E
    • 27m depth
    • sand
    • permanently well-mixed water column

Data Activity or Cruise Information

Data Activity

Start Date (yyyy-mm-dd) 1989-09-10
End Date (yyyy-mm-dd) 1989-09-15
Organization Undertaking ActivityProudman Oceanographic Laboratory (now National Oceanography Centre, Liverpool)
Country of OrganizationUnited Kingdom
Originator's Data Activity IdentifierRIG#60420
Platform Categorysubsurface mooring

North Sea Project POLRIG#60420

Deployment

This rig was deployed as part of the Resuspension experiments at the Southern site

Rig position 52° 40.20'N, 003° 40.80'E
Water Depth(m) 30.0

Rig Description

The U-shaped mooring consisted of three Aanderaa current meters (RCM7) and three transmissometers (TR). A marker buoy was attached to the anchor, a ground line attached the anchor to a further anchor, and this was attached to a sub-surface buoy (0.8 m diameter steel sphere). The current meters and transmissometers were attached to this wire.

Instrument Meter Height Parameters measured
RCM7 9631 21.0 Current Speed and Direction, Temperature and Conductivity
RCM7 9643 10.0 Current Speed and Direction, Temperature
RCM7 9650 5.0 Current Speed and Direction, Temperature
TR 6 20.0 Beam Attenuance, Total suspended matter
TR 5 9.0 Beam Attenuance, Total suspended matter
TR 3 4.0 Beam Attenuance, Total suspended matter

Related Data Activity activities are detailed in Appendix 1


Fixed Station Information

Fixed Station Information

Station NameNSP Resusp. S
CategoryOffshore location
Latitude52° 40.20' N
Longitude3° 40.20' E
Water depth below MSL27.0 m

North Sea Project Resuspension Experiment Southern Site

This site was one of two contrasting North Sea sites occupied during the North Sea Project Resuspension Experiment.

The southern site was located in 27m of water and was characterised by a sandy bed and a permanently well-mixed water column.

The rigs deployed here lie within a box bounded by co-ordinates 52.652N 3.653E at the southwest corner and 52.670N 3.680E the northeast corner. Magnetic variation at this site was 3.0 degrees west.

Southern site deployment history is summarised below:

Rig ID Meter type Meter height Start date Data return (days) Comment
C44S

CM

TR

CM

TR

CM

TR

20.0m

20.0m

10.0m

10.0m

6.0m

5.0m

19/01/89

19/01/89

19/01/89

19/01/89

19/01/89

19/01/89

4.5

4.5

4.5

4.5

4.5

4.5

 
00351

TR

CM

CM

CM

CM

CM

TR

 

17.0m

 

11.0m

9.0m

6.0m

 

12/05/89

12/05/89

12/05/89

12/05/89

12/05/89

12/05/89

12/05/89

0.0

9.5

0.0

9.5

9.5

9.5

0.0

No data

N/A

No data

N/A

N/A

N/A

No data

00353

CM

CM

 

12/05/89

12/05/89

0.0

0.0

No data

No data

00354 TG   13/05/89 0.0 No data
00355
(STABLE)

TR

CM

PR

1.2m

0.5m

0.5m

12/05/89

12/05/89

12/05/89

10.0

6.0

6.0

 
00356 MET 30.0m 12/05/89 9.4  
00357 WV 30.0m 12/05/89 9.5  
00419 ADCP 0.8m 10/09/89 4.8  
00420

CM

TR

CM

TR

CM

TR

21.0m

20.0m

10.0m

9.0m

5.0m

4.0m

10/09/89

10/09/89

10/09/89

10/09/89

10/09/89

10/09/89

5.2

5.2

5.2

5.2

5.2

5.2

 

ADCP = Acoustic Doppler Current Profiler
CM = Current Meter
PR = Pressure Recorder
TR = Transmissometer
TG = Tide Gauge
WV = Wave Rider
MET = Met. Buoy

Related Fixed Station activities are detailed in Appendix 2


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
Q value below limit of quantification

Appendix 1: RIG#60420

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 IdentifierData CategoryStart date/timeStart positionCruise
592207Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
592219Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
592220Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
610050Transmittance/attenuance, turbidity, or SPM conc.1989-09-10 10:05:0052.67 N, 3.68 ENot applicable
610074Transmittance/attenuance, turbidity, or SPM conc.1989-09-10 10:05:0052.67 N, 3.68 ENot applicable

Appendix 2: NSP Resusp. S

Related series for this Fixed Station 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 IdentifierData CategoryStart date/timeStart positionCruise
580372Currents -subsurface Eulerian1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
580384Currents -subsurface Eulerian1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
580396Currents -subsurface Eulerian1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
610013Transmittance/attenuance, turbidity, or SPM conc.1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
610025Transmittance/attenuance, turbidity, or SPM conc.1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
610037Transmittance/attenuance, turbidity, or SPM conc.1989-01-19 07:50:0052.6527 N, 3.6727 ENot applicable
815007CTD or STD cast1989-01-19 21:07:0052.65517 N, 3.66567 ERRS Challenger CH44
815019CTD or STD cast1989-01-19 23:17:0052.65983 N, 3.66583 ERRS Challenger CH44
815020CTD or STD cast1989-01-20 01:03:0052.66333 N, 3.67383 ERRS Challenger CH44
815032CTD or STD cast1989-01-20 04:04:0052.66467 N, 3.67783 ERRS Challenger CH44
815044CTD or STD cast1989-01-20 05:16:0052.658 N, 3.67017 ERRS Challenger CH44
815056CTD or STD cast1989-01-20 07:00:0052.64983 N, 3.663 ERRS Challenger CH44
815068CTD or STD cast1989-01-20 09:07:0052.66 N, 3.66317 ERRS Challenger CH44
815081CTD or STD cast1989-01-20 11:21:0052.6515 N, 3.65967 ERRS Challenger CH44
815093CTD or STD cast1989-01-20 13:04:0052.65717 N, 3.67 ERRS Challenger CH44
815100CTD or STD cast1989-01-20 14:21:0052.66517 N, 3.67933 ERRS Challenger CH44
815204CTD or STD cast1989-01-25 20:39:0052.65717 N, 3.673 ERRS Challenger CH44
815216CTD or STD cast1989-01-25 21:53:0052.6565 N, 3.6615 ERRS Challenger CH44
815228CTD or STD cast1989-01-25 23:10:0052.65767 N, 3.66367 ERRS Challenger CH44
815241CTD or STD cast1989-01-26 00:04:0052.65833 N, 3.66883 ERRS Challenger CH44
815253CTD or STD cast1989-01-26 01:16:0052.657 N, 3.66683 ERRS Challenger CH44
815265CTD or STD cast1989-01-26 01:59:0052.65817 N, 3.6665 ERRS Challenger CH44
815277CTD or STD cast1989-01-26 03:09:0052.65933 N, 3.66783 ERRS Challenger CH44
815289CTD or STD cast1989-01-26 04:15:0052.65983 N, 3.67017 ERRS Challenger CH44
815290CTD or STD cast1989-01-26 05:26:0052.66133 N, 3.66583 ERRS Challenger CH44
815308CTD or STD cast1989-01-26 06:09:0052.657 N, 3.67117 ERRS Challenger CH44
815321CTD or STD cast1989-01-26 07:15:0052.65817 N, 3.66533 ERRS Challenger CH44
815333CTD or STD cast1989-01-26 08:18:0052.6585 N, 3.68033 ERRS Challenger CH44
815345CTD or STD cast1989-01-26 10:11:0052.65367 N, 3.66583 ERRS Challenger CH44
815357CTD or STD cast1989-01-26 19:05:0052.65983 N, 3.66867 ERRS Challenger CH44
816650CTD or STD cast1989-05-12 11:50:0052.65317 N, 3.67033 ERRS Challenger CH52
1861732Water sample data1989-05-12 11:59:0052.65309 N, 3.67038 ERRS Challenger CH52
610049Transmittance/attenuance, turbidity, or SPM conc.1989-05-12 13:45:0052.6527 N, 3.6727 ENot applicable
611502Currents -subsurface Eulerian1989-05-12 15:50:5752.6553 N, 3.6688 ENot applicable
592176Currents -subsurface Eulerian1989-05-12 17:15:0052.6527 N, 3.6727 ENot applicable
592188Currents -subsurface Eulerian1989-05-12 17:15:0052.6527 N, 3.6727 ENot applicable
593211Currents -subsurface Eulerian1989-05-12 17:15:0052.6527 N, 3.6727 ENot applicable
593223Currents -subsurface Eulerian1989-05-12 17:15:0052.6527 N, 3.6727 ENot applicable
816662CTD or STD cast1989-05-12 20:29:0052.6595 N, 3.66783 ERRS Challenger CH52
1258489Water sample data1989-05-12 20:32:0052.65952 N, 3.66776 ERRS Challenger CH52
1861744Water sample data1989-05-12 20:32:0052.65952 N, 3.66776 ERRS Challenger CH52
816674CTD or STD cast1989-05-12 21:17:0052.6685 N, 3.694 ERRS Challenger CH52
1258490Water sample data1989-05-12 21:19:0052.66858 N, 3.69392 ERRS Challenger CH52
1861756Water sample data1989-05-12 21:19:0052.66858 N, 3.69392 ERRS Challenger CH52
816686CTD or STD cast1989-05-13 02:19:0052.644 N, 3.68417 ERRS Challenger CH52
1258545Water sample data1989-05-13 02:22:0052.64397 N, 3.68423 ERRS Challenger CH52
1861768Water sample data1989-05-13 02:22:0052.64397 N, 3.68423 ERRS Challenger CH52
816698CTD or STD cast1989-05-13 03:17:0052.6275 N, 3.69567 ERRS Challenger CH52
1258557Water sample data1989-05-13 03:20:0052.62744 N, 3.69568 ERRS Challenger CH52
1861781Water sample data1989-05-13 03:20:0052.62744 N, 3.69568 ERRS Challenger CH52
816705CTD or STD cast1989-05-13 09:34:0052.65633 N, 3.6555 ERRS Challenger CH52
1258582Water sample data1989-05-13 09:37:0052.65637 N, 3.65555 ERRS Challenger CH52
1861793Water sample data1989-05-13 09:37:0052.65637 N, 3.65555 ERRS Challenger CH52
816717CTD or STD cast1989-05-13 12:06:0052.66567 N, 3.68633 ERRS Challenger CH52
1258601Water sample data1989-05-13 12:09:0052.6657 N, 3.68634 ERRS Challenger CH52
1861800Water sample data1989-05-13 12:09:0052.6657 N, 3.68634 ERRS Challenger CH52
816729CTD or STD cast1989-05-13 13:03:0052.66117 N, 3.70067 ERRS Challenger CH52
1258613Water sample data1989-05-13 13:05:0052.66115 N, 3.7007 ERRS Challenger CH52
1861812Water sample data1989-05-13 13:05:0052.66115 N, 3.7007 ERRS Challenger CH52
816730CTD or STD cast1989-05-13 15:14:0052.63517 N, 3.6915 ERRS Challenger CH52
1258637Water sample data1989-05-13 15:17:0052.63518 N, 3.69156 ERRS Challenger CH52
1861824Water sample data1989-05-13 15:17:0052.63518 N, 3.69156 ERRS Challenger CH52
816914CTD or STD cast1989-05-16 07:49:0052.65367 N, 3.6635 ERRS Challenger CH52
1862004Water sample data1989-05-16 07:52:0052.6537 N, 3.66351 ERRS Challenger CH52
816926CTD or STD cast1989-05-16 09:02:0052.65267 N, 3.6655 ERRS Challenger CH52
1258809Water sample data1989-05-16 09:08:0052.65271 N, 3.66548 ERRS Challenger CH52
1862016Water sample data1989-05-16 09:08:0052.65271 N, 3.66548 ERRS Challenger CH52
816938CTD or STD cast1989-05-16 10:02:0052.65267 N, 3.67867 ERRS Challenger CH52
1258810Water sample data1989-05-16 10:06:0052.65273 N, 3.67861 ERRS Challenger CH52
1862028Water sample data1989-05-16 10:06:0052.65273 N, 3.67861 ERRS Challenger CH52
816951CTD or STD cast1989-05-16 11:03:0052.6625 N, 3.68117 ERRS Challenger CH52
1862041Water sample data1989-05-16 11:07:0052.66248 N, 3.68124 ERRS Challenger CH52
816963CTD or STD cast1989-05-16 12:03:0052.66283 N, 3.67533 ERRS Challenger CH52
1258822Water sample data1989-05-16 12:08:0052.66289 N, 3.67535 ERRS Challenger CH52
1862053Water sample data1989-05-16 12:08:0052.66289 N, 3.67535 ERRS Challenger CH52
816975CTD or STD cast1989-05-16 13:07:0052.67333 N, 3.68867 ERRS Challenger CH52
1258834Water sample data1989-05-16 13:11:0052.67334 N, 3.68868 ERRS Challenger CH52
1862065Water sample data1989-05-16 13:11:0052.67334 N, 3.68868 ERRS Challenger CH52
816987CTD or STD cast1989-05-16 14:10:0052.6665 N, 3.67983 ERRS Challenger CH52
1258846Water sample data1989-05-16 14:16:0052.66656 N, 3.67988 ERRS Challenger CH52
1862077Water sample data1989-05-16 14:16:0052.66656 N, 3.67988 ERRS Challenger CH52
816999CTD or STD cast1989-05-16 16:03:0052.65033 N, 3.68733 ERRS Challenger CH52
1258858Water sample data1989-05-16 16:08:0052.65034 N, 3.68727 ERRS Challenger CH52
1862089Water sample data1989-05-16 16:08:0052.65034 N, 3.68727 ERRS Challenger CH52
817002CTD or STD cast1989-05-16 17:07:0052.6455 N, 3.67417 ERRS Challenger CH52
1258871Water sample data1989-05-16 17:11:0052.64557 N, 3.67418 ERRS Challenger CH52
1862090Water sample data1989-05-16 17:11:0052.64557 N, 3.67418 ERRS Challenger CH52
817014CTD or STD cast1989-05-16 18:03:0052.62917 N, 3.672 ERRS Challenger CH52
1258883Water sample data1989-05-16 18:08:0052.6292 N, 3.67193 ERRS Challenger CH52
1862108Water sample data1989-05-16 18:08:0052.6292 N, 3.67193 ERRS Challenger CH52
817026CTD or STD cast1989-05-16 19:03:0052.62667 N, 3.66533 ERRS Challenger CH52
1258895Water sample data1989-05-16 19:07:0052.62666 N, 3.66527 ERRS Challenger CH52
1862121Water sample data1989-05-16 19:07:0052.62666 N, 3.66527 ERRS Challenger CH52
817038CTD or STD cast1989-05-16 20:04:0052.642 N, 3.6525 ERRS Challenger CH52
1258902Water sample data1989-05-16 20:09:0052.64195 N, 3.65255 ERRS Challenger CH52
1862133Water sample data1989-05-16 20:09:0052.64195 N, 3.65255 ERRS Challenger CH52
817051CTD or STD cast1989-05-16 21:04:0052.63217 N, 3.6395 ERRS Challenger CH52
1258914Water sample data1989-05-16 21:09:0052.63217 N, 3.63955 ERRS Challenger CH52
1862145Water sample data1989-05-16 21:09:0052.63217 N, 3.63955 ERRS Challenger CH52
817063CTD or STD cast1989-05-16 22:07:0052.6315 N, 3.62717 ERRS Challenger CH52
1258926Water sample data1989-05-16 22:11:0052.63153 N, 3.62721 ERRS Challenger CH52
1862157Water sample data1989-05-16 22:11:0052.63153 N, 3.62721 ERRS Challenger CH52
817075CTD or STD cast1989-05-16 23:09:0052.648 N, 3.64683 ERRS Challenger CH52
1258938Water sample data1989-05-16 23:17:0052.64807 N, 3.64682 ERRS Challenger CH52
1862169Water sample data1989-05-16 23:17:0052.64807 N, 3.64682 ERRS Challenger CH52
817087CTD or STD cast1989-05-17 00:03:0052.66067 N, 3.66017 ERRS Challenger CH52
1258951Water sample data1989-05-17 00:07:0052.6606 N, 3.66018 ERRS Challenger CH52
1862170Water sample data1989-05-17 00:07:0052.6606 N, 3.66018 ERRS Challenger CH52
817099CTD or STD cast1989-05-17 01:04:0052.66683 N, 3.66033 ERRS Challenger CH52
1258963Water sample data1989-05-17 01:09:0052.66689 N, 3.66031 ERRS Challenger CH52
1862182Water sample data1989-05-17 01:09:0052.66689 N, 3.66031 ERRS Challenger CH52
817106CTD or STD cast1989-05-17 02:02:0052.65767 N, 3.655 ERRS Challenger CH52
1258975Water sample data1989-05-17 02:07:0052.65762 N, 3.65492 ERRS Challenger CH52
1862194Water sample data1989-05-17 02:07:0052.65762 N, 3.65492 ERRS Challenger CH52
817118CTD or STD cast1989-05-17 03:01:0052.66633 N, 3.65833 ERRS Challenger CH52
1258987Water sample data1989-05-17 03:07:0052.6664 N, 3.6583 ERRS Challenger CH52
1862201Water sample data1989-05-17 03:07:0052.6664 N, 3.6583 ERRS Challenger CH52
817131CTD or STD cast1989-05-17 04:02:0052.668 N, 3.65917 ERRS Challenger CH52
1258999Water sample data1989-05-17 04:07:0052.66792 N, 3.65912 ERRS Challenger CH52
1862213Water sample data1989-05-17 04:07:0052.66792 N, 3.65912 ERRS Challenger CH52
817143CTD or STD cast1989-05-17 04:50:0052.66283 N, 3.65567 ERRS Challenger CH52
1862225Water sample data1989-05-17 04:55:0052.66284 N, 3.65569 ERRS Challenger CH52
817155CTD or STD cast1989-05-17 18:30:0052.648 N, 3.679 ERRS Challenger CH52
1862237Water sample data1989-05-17 18:35:0052.64792 N, 3.67906 ERRS Challenger CH52
1862249Water sample data1989-05-18 04:59:0052.65331 N, 3.66516 ERRS Challenger CH52
817167CTD or STD cast1989-05-18 05:00:0052.65333 N, 3.66517 ERRS Challenger CH52
817179CTD or STD cast1989-05-18 06:05:0052.64467 N, 3.66317 ERRS Challenger CH52
1259002Water sample data1989-05-18 06:08:0052.64465 N, 3.66322 ERRS Challenger CH52
1862250Water sample data1989-05-18 06:08:0052.64465 N, 3.66322 ERRS Challenger CH52
817180CTD or STD cast1989-05-18 07:03:0052.63933 N, 3.6605 ERRS Challenger CH52
1259014Water sample data1989-05-18 07:07:0052.63936 N, 3.66053 ERRS Challenger CH52
1862262Water sample data1989-05-18 07:07:0052.63936 N, 3.66053 ERRS Challenger CH52
817192CTD or STD cast1989-05-18 08:07:0052.6345 N, 3.653 ERRS Challenger CH52
1259026Water sample data1989-05-18 08:11:0052.63446 N, 3.65299 ERRS Challenger CH52
1862274Water sample data1989-05-18 08:11:0052.63446 N, 3.65299 ERRS Challenger CH52
817211CTD or STD cast1989-05-18 09:08:0052.64183 N, 3.65067 ERRS Challenger CH52
1259038Water sample data1989-05-18 09:12:0052.64182 N, 3.65067 ERRS Challenger CH52
1862286Water sample data1989-05-18 09:12:0052.64182 N, 3.65067 ERRS Challenger CH52
817223CTD or STD cast1989-05-18 10:05:0052.63733 N, 3.64917 ERRS Challenger CH52
1259051Water sample data1989-05-18 10:10:0052.63733 N, 3.64909 ERRS Challenger CH52
1862298Water sample data1989-05-18 10:10:0052.63733 N, 3.64909 ERRS Challenger CH52
817235CTD or STD cast1989-05-18 11:11:0052.63017 N, 3.63667 ERRS Challenger CH52
1259063Water sample data1989-05-18 11:16:0052.6302 N, 3.63667 ERRS Challenger CH52
1862305Water sample data1989-05-18 11:16:0052.6302 N, 3.63667 ERRS Challenger CH52
817247CTD or STD cast1989-05-18 12:05:0052.65067 N, 3.658 ERRS Challenger CH52
1259075Water sample data1989-05-18 12:10:0052.65073 N, 3.658 ERRS Challenger CH52
1862317Water sample data1989-05-18 12:10:0052.65073 N, 3.658 ERRS Challenger CH52
817259CTD or STD cast1989-05-18 13:00:0052.6625 N, 3.66717 ERRS Challenger CH52
1259087Water sample data1989-05-18 13:05:0052.66245 N, 3.66715 ERRS Challenger CH52
1862329Water sample data1989-05-18 13:05:0052.66245 N, 3.66715 ERRS Challenger CH52
817260CTD or STD cast1989-05-18 14:05:0052.65767 N, 3.6625 ERRS Challenger CH52
1259099Water sample data1989-05-18 14:11:0052.65771 N, 3.6625 ERRS Challenger CH52
1862330Water sample data1989-05-18 14:11:0052.65771 N, 3.6625 ERRS Challenger CH52
817272CTD or STD cast1989-05-18 15:06:0052.658 N, 3.66 ERRS Challenger CH52
1259106Water sample data1989-05-18 15:10:0052.65794 N, 3.66 ERRS Challenger CH52
1862342Water sample data1989-05-18 15:10:0052.65794 N, 3.66 ERRS Challenger CH52
817284CTD or STD cast1989-05-18 16:01:0052.6605 N, 3.65667 ERRS Challenger CH52
1259118Water sample data1989-05-18 16:07:0052.66049 N, 3.65673 ERRS Challenger CH52
1862354Water sample data1989-05-18 16:07:0052.66049 N, 3.65673 ERRS Challenger CH52
817296CTD or STD cast1989-05-18 17:03:0052.65983 N, 3.65433 ERRS Challenger CH52
1259131Water sample data1989-05-18 17:07:0052.65981 N, 3.65431 ERRS Challenger CH52
1862366Water sample data1989-05-18 17:07:0052.65981 N, 3.65431 ERRS Challenger CH52
817303CTD or STD cast1989-05-18 18:04:0052.64367 N, 3.65917 ERRS Challenger CH52
1259143Water sample data1989-05-18 18:07:0052.64365 N, 3.65916 ERRS Challenger CH52
1862378Water sample data1989-05-18 18:07:0052.64365 N, 3.65916 ERRS Challenger CH52
817315CTD or STD cast1989-05-18 19:03:0052.645 N, 3.66683 ERRS Challenger CH52
1259155Water sample data1989-05-18 19:07:0052.64507 N, 3.66689 ERRS Challenger CH52
1862391Water sample data1989-05-18 19:07:0052.64507 N, 3.66689 ERRS Challenger CH52
817456CTD or STD cast1989-05-21 00:03:0052.65 N, 3.65333 ERRS Challenger CH52
1259340Water sample data1989-05-21 00:06:0052.65004 N, 3.65338 ERRS Challenger CH52
1862538Water sample data1989-05-21 00:06:0052.65004 N, 3.65338 ERRS Challenger CH52
817468CTD or STD cast1989-05-21 01:07:0052.65783 N, 3.65767 ERRS Challenger CH52
1259352Water sample data1989-05-21 01:12:0052.65778 N, 3.65767 ERRS Challenger CH52
1862551Water sample data1989-05-21 01:12:0052.65778 N, 3.65767 ERRS Challenger CH52
817481CTD or STD cast1989-05-21 02:03:0052.67083 N, 3.662 ERRS Challenger CH52
1259364Water sample data1989-05-21 02:08:0052.6709 N, 3.662 ERRS Challenger CH52
1862563Water sample data1989-05-21 02:08:0052.6709 N, 3.662 ERRS Challenger CH52
817493CTD or STD cast1989-05-21 03:03:0052.66183 N, 3.663 ERRS Challenger CH52
1259376Water sample data1989-05-21 03:08:0052.6619 N, 3.66296 ERRS Challenger CH52
1862575Water sample data1989-05-21 03:08:0052.6619 N, 3.66296 ERRS Challenger CH52
817500CTD or STD cast1989-05-21 04:03:0052.66667 N, 3.66233 ERRS Challenger CH52
1259388Water sample data1989-05-21 04:07:0052.66669 N, 3.66233 ERRS Challenger CH52
1862587Water sample data1989-05-21 04:07:0052.66669 N, 3.66233 ERRS Challenger CH52
817512CTD or STD cast1989-05-21 05:02:0052.679 N, 3.665 ERRS Challenger CH52
1259407Water sample data1989-05-21 05:06:0052.67906 N, 3.66499 ERRS Challenger CH52
1862599Water sample data1989-05-21 05:06:0052.67906 N, 3.66499 ERRS Challenger CH52
817524CTD or STD cast1989-05-21 07:16:0052.64867 N, 3.698 ERRS Challenger CH52
1259420Water sample data1989-05-21 07:19:0052.64868 N, 3.69792 ERRS Challenger CH52
1862606Water sample data1989-05-21 07:19:0052.64868 N, 3.69792 ERRS Challenger CH52
817536CTD or STD cast1989-05-21 08:05:0052.63633 N, 3.68933 ERRS Challenger CH52
1259432Water sample data1989-05-21 08:08:0052.6364 N, 3.68939 ERRS Challenger CH52
1862618Water sample data1989-05-21 08:08:0052.6364 N, 3.68939 ERRS Challenger CH52
817548CTD or STD cast1989-05-21 09:09:0052.6455 N, 3.6625 ERRS Challenger CH52
1259444Water sample data1989-05-21 09:13:0052.64549 N, 3.66249 ERRS Challenger CH52
1862631Water sample data1989-05-21 09:13:0052.64549 N, 3.66249 ERRS Challenger CH52
817561CTD or STD cast1989-05-21 10:06:0052.655 N, 3.649 ERRS Challenger CH52
1259456Water sample data1989-05-21 10:10:0052.65492 N, 3.64896 ERRS Challenger CH52
1862643Water sample data1989-05-21 10:10:0052.65492 N, 3.64896 ERRS Challenger CH52
817573CTD or STD cast1989-05-21 11:16:0052.65317 N, 3.6585 ERRS Challenger CH52
1259468Water sample data1989-05-21 11:19:0052.65317 N, 3.65858 ERRS Challenger CH52
1862655Water sample data1989-05-21 11:19:0052.65317 N, 3.65858 ERRS Challenger CH52
817585CTD or STD cast1989-05-21 12:04:0052.64233 N, 3.65433 ERRS Challenger CH52
1259481Water sample data1989-05-21 12:08:0052.64236 N, 3.65436 ERRS Challenger CH52
1862667Water sample data1989-05-21 12:08:0052.64236 N, 3.65436 ERRS Challenger CH52
817597CTD or STD cast1989-05-21 13:08:0052.65117 N, 3.65967 ERRS Challenger CH52
1259493Water sample data1989-05-21 13:12:0052.65109 N, 3.65962 ERRS Challenger CH52
1862679Water sample data1989-05-21 13:12:0052.65109 N, 3.65962 ERRS Challenger CH52
817604CTD or STD cast1989-05-21 14:01:0052.66 N, 3.66217 ERRS Challenger CH52
1259500Water sample data1989-05-21 14:05:0052.66006 N, 3.6622 ERRS Challenger CH52
1862680Water sample data1989-05-21 14:05:0052.66006 N, 3.6622 ERRS Challenger CH52
817616CTD or STD cast1989-05-21 15:27:0052.663 N, 3.68017 ERRS Challenger CH52
1259512Water sample data1989-05-21 15:31:0052.66292 N, 3.6801 ERRS Challenger CH52
1862692Water sample data1989-05-21 15:31:0052.66292 N, 3.6801 ERRS Challenger CH52
817628CTD or STD cast1989-05-21 16:49:0052.67233 N, 3.66967 ERRS Challenger CH52
1259524Water sample data1989-05-21 16:53:0052.67238 N, 3.66965 ERRS Challenger CH52
1862711Water sample data1989-05-21 16:53:0052.67238 N, 3.66965 ERRS Challenger CH52
817641CTD or STD cast1989-05-21 18:33:0052.65767 N, 3.6695 ERRS Challenger CH52
1862723Water sample data1989-05-21 18:36:0052.6577 N, 3.66957 ERRS Challenger CH52
817653CTD or STD cast1989-05-21 20:04:0052.661 N, 3.65767 ERRS Challenger CH52
1862735Water sample data1989-05-21 20:08:0052.66092 N, 3.65765 ERRS Challenger CH52
817665CTD or STD cast1989-05-21 21:02:0052.66 N, 3.659 ERRS Challenger CH52
1862747Water sample data1989-05-21 21:07:0052.66008 N, 3.65903 ERRS Challenger CH52
817677CTD or STD cast1989-05-21 22:03:0052.65483 N, 3.65717 ERRS Challenger CH52
1862759Water sample data1989-05-21 22:07:0052.6548 N, 3.65717 ERRS Challenger CH52
817689CTD or STD cast1989-05-21 23:08:0052.653 N, 3.65017 ERRS Challenger CH52
1862760Water sample data1989-05-21 23:12:0052.65298 N, 3.65021 ERRS Challenger CH52
817690CTD or STD cast1989-05-22 00:05:0052.65117 N, 3.6565 ERRS Challenger CH52
1862772Water sample data1989-05-22 00:09:0052.65115 N, 3.65642 ERRS Challenger CH52
817708CTD or STD cast1989-05-22 01:07:0052.65583 N, 3.6565 ERRS Challenger CH52
1862784Water sample data1989-05-22 01:11:0052.65591 N, 3.65642 ERRS Challenger CH52
817721CTD or STD cast1989-05-22 02:05:0052.66233 N, 3.6625 ERRS Challenger CH52
1862796Water sample data1989-05-22 02:08:0052.66229 N, 3.66242 ERRS Challenger CH52
817733CTD or STD cast1989-05-22 03:08:0052.66083 N, 3.6665 ERRS Challenger CH52
1862803Water sample data1989-05-22 03:12:0052.6608 N, 3.66651 ERRS Challenger CH52
817745CTD or STD cast1989-05-22 07:07:0052.65383 N, 3.675 ERRS Challenger CH52
1862815Water sample data1989-05-22 07:17:0052.65379 N, 3.67499 ERRS Challenger CH52
819948CTD or STD cast1989-09-09 07:46:0052.67967 N, 3.70083 ERRS Challenger CH60
592207Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
592219Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
592220Currents -subsurface Eulerian1989-09-10 08:50:0052.67 N, 3.68 ENot applicable
610050Transmittance/attenuance, turbidity, or SPM conc.1989-09-10 10:05:0052.67 N, 3.68 ENot applicable
610074Transmittance/attenuance, turbidity, or SPM conc.1989-09-10 10:05:0052.67 N, 3.68 ENot applicable
604290Currents -subsurface Eulerian1989-09-10 15:29:2552.6695 N, 3.6532 ENot applicable
819961CTD or STD cast1989-09-10 18:14:0052.65817 N, 3.66767 ERRS Challenger CH60
1257751Water sample data1989-09-10 18:18:0052.65811 N, 3.66774 ERRS Challenger CH60
819973CTD or STD cast1989-09-10 19:04:0052.65917 N, 3.66883 ERRS Challenger CH60
1257763Water sample data1989-09-10 19:09:0052.65912 N, 3.66879 ERRS Challenger CH60
819985CTD or STD cast1989-09-10 20:05:0052.65783 N, 3.66833 ERRS Challenger CH60
1257775Water sample data1989-09-10 20:08:0052.65787 N, 3.66826 ERRS Challenger CH60
819997CTD or STD cast1989-09-10 21:11:0052.65967 N, 3.66867 ERRS Challenger CH60
1257787Water sample data1989-09-10 21:14:0052.65961 N, 3.66871 ERRS Challenger CH60
820009CTD or STD cast1989-09-10 22:12:0052.661 N, 3.6715 ERRS Challenger CH60
1257799Water sample data1989-09-10 22:16:0052.66092 N, 3.67157 ERRS Challenger CH60
820010CTD or STD cast1989-09-10 23:12:0052.661 N, 3.6685 ERRS Challenger CH60
1257806Water sample data1989-09-10 23:15:0052.66101 N, 3.66848 ERRS Challenger CH60
820022CTD or STD cast1989-09-11 00:09:0052.6595 N, 3.669 ERRS Challenger CH60
1257818Water sample data1989-09-11 00:12:0052.65958 N, 3.66906 ERRS Challenger CH60
820034CTD or STD cast1989-09-11 01:15:0052.65667 N, 3.6685 ERRS Challenger CH60
1257831Water sample data1989-09-11 01:17:0052.65663 N, 3.66845 ERRS Challenger CH60
820046CTD or STD cast1989-09-11 02:12:0052.65833 N, 3.665 ERRS Challenger CH60
1257843Water sample data1989-09-11 02:15:0052.65839 N, 3.66508 ERRS Challenger CH60
820058CTD or STD cast1989-09-11 03:15:0052.65667 N, 3.66567 ERRS Challenger CH60
1257855Water sample data1989-09-11 03:19:0052.65674 N, 3.66567 ERRS Challenger CH60
820071CTD or STD cast1989-09-11 04:20:0052.65617 N, 3.66217 ERRS Challenger CH60
1257867Water sample data1989-09-11 04:25:0052.65614 N, 3.6622 ERRS Challenger CH60
820083CTD or STD cast1989-09-11 05:16:0052.65833 N, 3.66417 ERRS Challenger CH60
1257879Water sample data1989-09-11 05:20:0052.65826 N, 3.66419 ERRS Challenger CH60
820095CTD or STD cast1989-09-11 06:16:0052.65667 N, 3.661 ERRS Challenger CH60
1257880Water sample data1989-09-11 06:20:0052.65665 N, 3.66102 ERRS Challenger CH60
820102CTD or STD cast1989-09-11 07:17:0052.657 N, 3.66383 ERRS Challenger CH60
1257892Water sample data1989-09-11 07:20:0052.65695 N, 3.6638 ERRS Challenger CH60
820372CTD or STD cast1989-09-15 14:07:0052.68067 N, 3.66533 ERRS Challenger CH60
820384CTD or STD cast1989-09-15 17:37:0052.65433 N, 3.6815 ERRS Challenger CH60
1258152Water sample data1989-09-15 17:41:0052.65434 N, 3.68148 ERRS Challenger CH60
820396CTD or STD cast1989-09-15 19:07:0052.656 N, 3.66867 ERRS Challenger CH60
1258164Water sample data1989-09-15 19:11:0052.65601 N, 3.6686 ERRS Challenger CH60
820403CTD or STD cast1989-09-15 20:03:0052.65467 N, 3.664 ERRS Challenger CH60
1258176Water sample data1989-09-15 20:06:0052.65462 N, 3.664 ERRS Challenger CH60
820415CTD or STD cast1989-09-15 21:16:0052.65433 N, 3.6635 ERRS Challenger CH60
1258188Water sample data1989-09-15 21:19:0052.65428 N, 3.66355 ERRS Challenger CH60
820427CTD or STD cast1989-09-15 22:00:0052.65367 N, 3.66117 ERRS Challenger CH60
1258207Water sample data1989-09-15 22:03:0052.65373 N, 3.6612 ERRS Challenger CH60
820439CTD or STD cast1989-09-15 23:07:0052.656 N, 3.667 ERRS Challenger CH60
1258219Water sample data1989-09-15 23:10:0052.65596 N, 3.66694 ERRS Challenger CH60
820600CTD or STD cast1989-09-18 03:30:0052.65983 N, 3.67083 ERRS Challenger CH60
1258348Water sample data1989-09-18 03:34:0052.65981 N, 3.67083 ERRS Challenger CH60
820612CTD or STD cast1989-09-18 05:34:0052.65317 N, 3.665 ERRS Challenger CH60
1258361Water sample data1989-09-18 05:45:0052.65314 N, 3.66492 ERRS Challenger CH60
820624CTD or STD cast1989-09-18 06:02:0052.66183 N, 3.67417 ERRS Challenger CH60
1258373Water sample data1989-09-18 06:06:0052.6618 N, 3.67423 ERRS Challenger CH60
820636CTD or STD cast1989-09-18 07:16:0052.66867 N, 3.667 ERRS Challenger CH60
1258385Water sample data1989-09-18 07:20:0052.66869 N, 3.66697 ERRS Challenger CH60
820648CTD or STD cast1989-09-18 08:13:0052.6585 N, 3.67117 ERRS Challenger CH60
1258397Water sample data1989-09-18 08:16:0052.65851 N, 3.67121 ERRS Challenger CH60
820661CTD or STD cast1989-09-18 09:09:0052.65567 N, 3.6725 ERRS Challenger CH60
1258404Water sample data1989-09-18 09:12:0052.65569 N, 3.67254 ERRS Challenger CH60
820673CTD or STD cast1989-09-18 10:06:0052.65383 N, 3.663 ERRS Challenger CH60
1258416Water sample data1989-09-18 10:07:0052.6539 N, 3.663 ERRS Challenger CH60
820685CTD or STD cast1989-09-18 11:11:0052.64583 N, 3.64533 ERRS Challenger CH60
1258428Water sample data1989-09-18 11:13:0052.64575 N, 3.64539 ERRS Challenger CH60
820697CTD or STD cast1989-09-18 11:57:0052.65483 N, 3.664 ERRS Challenger CH60
1258441Water sample data1989-09-18 12:01:0052.65479 N, 3.66393 ERRS Challenger CH60
820704CTD or STD cast1989-09-18 13:00:0052.65167 N, 3.65167 ERRS Challenger CH60
1258453Water sample data1989-09-18 13:03:0052.6517 N, 3.6517 ERRS Challenger CH60
820716CTD or STD cast1989-09-18 13:58:0052.66133 N, 3.66683 ERRS Challenger CH60
1258465Water sample data1989-09-18 14:01:0052.66141 N, 3.66677 ERRS Challenger CH60
820728CTD or STD cast1989-09-18 15:13:0052.66483 N, 3.67333 ERRS Challenger CH60
1258477Water sample data1989-09-18 15:16:0052.66479 N, 3.67333 ERRS Challenger CH60