MIRAI MR17-05C Underway Thermosalinograph

Last Modified: 2018-04-21
: MR17-05C
: Processed (DMO)-QCed
: JAMSTEC
: Temperature, Salinity, Dissolved oxygen
:
OCEANS > OCEAN CHEMISTRY > OXYGEN
OCEANS > SALINITY/DENSITY > SALINITY
OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE

For Using Data

Data Management Office
See Terms and Conditions about constrain of use.
See Terms and Conditions about data citation.
Instrument:
Continuous sea surface water monitoring system (MR14-03 - )
Thermosalinograph measures the following surface parameters continuously.
- temperature
- salinity
- dissolved oxygen
Sea surface water is continuously pumped up at 4.5 meters depth to the sea surface monitoring laboratory and then flowed into each analysis equipment through a steel pipe and a vinyl-chloride pipe.
The flow rate of this system is controlled by some valves. Data are recorded in the personal computer.

• Temperature sensor
Model : SBE 38, Sea-Bird Electronics,Inc.
Serial number : 3852788-0457
Measurement range : -5 to 35 deg-C (ITS-90)
Sensor location : Bow thruster room
• Salinity sensor
Model : SBE-45, Sea-Bird Electronics,Inc.
Serial number : 4563325-0362
Measurement range : [temperature] -5 to +35 deg-C (ITS-90), [conductivity] 0 to 7 S/m
Sensor location : Sea surface monitoring laboratory
• DO sensor
Model : RINKO II, ARO-CAR/CAD
Serial number : 13
Measurement range : 0 to 20 mg L-1
Sensor location : Sea surface monitoring laboratory

After considering the accuracy of the sensors, the significant digit of data was changed as in the following list.
Data Raw (ASCII data) On this web site
Temperature 0.0001 [deg-C] 0.001 [deg-C]
Salinity 0.0001 [PSU] 0.001 [PSU]
Dissolved oxygen 0.01 [umol/kg] 0.1 [umol/kg]
* The unit of the dissolved oxygen was changed from ml/l into umol/kg since MR10-04.

Date/Time (UTC) Start/Stop Remarks
2017/08/24, 02:07 start 54-06.15N, 166-45.44W
2017/08/30, 04:42 stop 72-00.03N, 168-44.96W
2017/08/30, 05:45 start 72-00.04N, 168-44.85W
2017/09/15, 23:40 stop 75-15.42N, 177-36.71W
2017/09/16, 00:50 start 75-15.16N, 177-40.87W
2017/09/21, 11:05 stop 64-24.48N, 166-34.44W
2017/09/21, 20:33 start 64-19.88N, 167-19.61W
2017/09/29, 04:00 stop 40-08.43N, 147-41.88E

Calibration Information is as follows.
(1) Quality control
QCed data were added flag according to the NODC (National Oceanographic Data Center) quality control procedure.
1) The gradient check of adjacent depth data
Please see the site of NODC of the following link for quality control procedure in detail.
In addition, an abnormal value is identified by a visual check, and the data after visual QC is released.
(1) In this cruise, there is extra data (chlorophyll-a, turbidity, and total dissolved gas pressure sensor) in additional to temperature, salinity, dissolved oxygen obtained by RINKO sensor that has been opened to the public. Please contact us from "Contact Us" above if necessary.
: MR17-05C
: Processed (DMO)-QCed
: JAMSTEC
: Temperature, Salinity, Dissolved oxygen
:
OCEANS > OCEAN CHEMISTRY > OXYGEN
OCEANS > SALINITY/DENSITY > SALINITY
OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE

Observation Map

Imagery reproduced from ...

Figures

Data List

File names
20170824.dat
20170825.dat
20170826.dat
20170827.dat
20170828.dat
20170829.dat
20170830.dat
20170831.dat
20170901.dat
20170902.dat
20170903.dat
20170904.dat
20170905.dat
20170906.dat
20170907.dat
20170908.dat
20170909.dat
20170910.dat
20170911.dat
20170912.dat
20170913.dat
20170914.dat
20170915.dat
20170916.dat
20170917.dat
20170918.dat
20170919.dat
20170920.dat
20170921.dat
20170922.dat
20170923.dat
20170924.dat
20170925.dat
20170926.dat
20170927.dat
20170928.dat
20170929.dat
ex_read2.f (Sample Program)
: MR17-05C
: Processed (DMO)-QCed
: JAMSTEC

TSG DMO

Format Description for the QCed Data
Each data file contains one line header and daily observation data.
  1. Header part
No. Column Content Format Remarks
1 1 Header ID a1 fixed as '#'
2 3 - 6 Data ID a4 TSG
3 8 - 22 Cruise ID a15 e.g. MRYY-XX_legx
4 68 - 71 Number of data lines i4
5 72 - 73 Terminator - CR+LF
  1. Data part
No. Column Content Unit Format Remarks
1 1 -  8 Date - i8 YYYYMMDD (UTC)
2 10 - 13 Time - i4 hhmm (UTC)
3 15 - 23 Latitude - i2,a1,f5.2,a1 dd-mm.mmN(S)
4 25 - 34 Longitude - i3,a1,f5.2,a1 ddd-mm.mmE(W)
5 35 - 45 Temperature deg-C f11.3 ITS-90
6 46 - 56 Salinity PSU f11.3 PSS-78
7 57 - 67 Dissolved oxygen µmol/kg f11.1
8 68 - 78 Flag - i11 1- 6 : space
7 : flag of date/time
8 : flag of latitude/longitude
9 : flag of temperature
10 : flag of salinity
11 : flag of dissolved oxygen
9 79 - 80 Terminator - - CR+LF
* This format has been applied since MR10-04 cruise of R/V Mirai.
* The unit of the dissolved oxygen was changed from ml/l into µmol/kg
* Temperature, Salinity, Dissolved oxygen: Missing value is presented by '-5', and error value is presented by '-9'.

Definition of Quality Control Flags
  1. Observed Level Flags
  2. 0 - accepted value
    1 - range outlier ( outside of broad range check )
    A - doubtful value
    N - missing value

  3. Date and time flag (Thermosalinograph only)
  4. 0 - accepted data and time
    1 - failed duplicate/missing/incorrect date and time

  5. Position flag (Thermosalinograph only)
  6. 0 - accepted position
    1 - failed estimated ship speed check including missing/incorrect position

    For details about range set of temperature, salinity and oxygen data, please refer the web site of NODC (National Oceanographic Data Center) from the following link for quality control procedure.

Related Information

Update History

2018-04-21
An observation data was registerd.