RYOFU-MARU(JGQH), PX45
Observation period : 2012/4/11 to 2012/4/15

This page shows results for the PX45 line based on monitoring by the RYOFU-MARU and comparison with the result of assimilation by MOVE-NP.

Overall statistics

Number of profilesNumber of levelsAVERMSDMAXDMIND
1962090.230.642.77-1.61

Abbreviations in the table indicate:
AVE: average difference (observation value minus assimilation value)
RMSD: root mean square of difference
MAXD: maximum difference
MIND: minimum difference



Statistics for each depth range

Depth rangeNumber of levelsAVERMSDMAXDMIND
0-504500.000.641.32-1.59
50-100450-0.240.561.34-1.61
100-150450-0.100.491.34-1.23
150-2004500.100.601.52-1.29
200-2504500.270.571.49-1.28
250-3004500.390.531.38-1.01
300-3504500.440.561.45-1.02
350-4004500.490.611.77-1.02
400-4504420.590.772.49-0.72
450-5001700.540.932.77-0.89
500-5501700.430.892.62-1.00
550-6001700.350.812.33-0.91
600-6501700.290.681.87-0.51
650-7001700.260.601.73-0.39
700-7501700.260.591.90-0.40
750-8001700.220.441.26-0.36
800-8501700.220.361.16-0.17
850-9001700.220.320.97-0.08
900-9501700.140.250.73-0.25
950-1000170.110.250.67-0.27


Results of QC

A total of 19(413 levels, reported by BATHY or TESAC) were received from the RYOFU-MARU.
The results of JMA quality control are as follows.
  • Grounded test
  • Error data: 0 of 413

  • Position on land test
  • On land: 0 of 19

    Invalid position: 0 of 19

  • Regional range test
  • Error data (low): 0 of 413

    Error data (high): 0 of 413

  • Gradient test
  • Error data: 0 of 413

For datails of JMA's quality control procedures, please refer to this page.


Summary of QC

  • No errors were detected with JMA's quality control procedures.
  • There was no significant bias in comparison with the results of assimilation by JMA.
  • There were differences above 2°C between observation data and the results of assimilation at a depth of around 500 m.


Figures

◊Station map ◊Vertical temperature profile

Vertical profile of temperature along the observing line of PX45 moved the entire profile by 5 degree Celsius.

station map water fall
◊Vertical observation sections ◊Summary of differences (Obs. - Assim.) by depth

Dots and error bars represent the averages and root mean squares of the differences, respectively. Crosses represent the maximum/minimum differences.

observation scatter plot (summary of all station)
◊Vertical sections for the result of assimilation by MOVE-NP ◊Distribution of differences (Obs. - Assim.) by depth
result of assimilation scatter plot(depth bases)
◊Vertical sections of differences (Obs. - Assim.) ◊Distribution of differences (Obs. - Assim.) by temperature
differences (Obs. - Assim.) scatter plot (tempereture basis)