MIYAGI-MARU(JCHQ), PX40
Observation period : 2014/2/28 to 2014/3/12

This page shows results for the PX40 line based on monitoring by the MIYAGI-MARU and comparison with the result of assimilation by MOVE-NP.

Overall statistics

Number of profilesNumber of dataAVERMSDMAXDMIND
10030863-0.000.623.80-3.39

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 dataAVERMSDMAXDMIND
0-5025000.120.580.93-1.13
50-1002500-0.110.991.22-2.84
100-1502500-0.241.033.17-3.39
150-20025000.050.843.78-2.59
200-25025000.030.603.80-2.64
250-3002500-0.020.523.19-1.63
300-35025000.010.501.31-1.49
350-40025000.010.471.54-1.27
400-45025000.030.441.82-1.15
450-50025000.030.271.86-1.09
500-55010000.020.372.52-1.16
550-60010000.030.302.31-1.14
600-6509920.020.271.78-0.86
650-7009900.030.231.46-1.08
700-7509900.020.201.46-0.92
750-8008910.030.001.48-0.75
800-8500----
850-9000----
900-9500----
950-10000----


Results of QC

A total of 100 profiles (78112 data, reported by BATHY or TESAC) were received from the MIYAGI-MARU.
The results of JMA quality control are as follows.
  • Grounded test
  • Error data: 0 of 78112

  • Position on land test
  • On land: 0 of 100

    Invalid position: 0 of 100

  • Regional range test
  • Error data (low): 0 of 78112

    Error data (high): 0 of 78112

  • Gradient test
  • Error data: 0 of 78112

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 some differences above 2°C between observation data and the results of assimilation at a depth of around 150 m.


Figures

◊Station map ◊Vertical temperature profile

Vertical profile of temperature along the observing line of PX40 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)