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GTSPP Data Product Centre for the North Pacific Region hosted by the Japan Meteorological Agency

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The last 30 days SOOP observation

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Ship Observations Team (SOT)

KEIFU MARU(JPBN), PX45
Observation period : 2020/1/8 to 2020/1/17

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

Overall statistics

Number of profiles	Number of data	AVE	RMSD	MAXD	MIND
29	9809	0.23	0.66	2.20	-1.53

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 range	Number of data	AVE	RMSD	MAXD	MIND
0-50	700	-0.03	0.39	0.94	-1.07
50-100	700	-0.14	0.49	1.90	-1.29
100-150	700	-0.19	0.75	2.14	-1.53
150-200	700	0.14	0.68	2.06	-1.26
200-250	700	0.30	0.70	2.07	-0.98
250-300	700	0.35	0.74	1.73	-1.26
300-350	700	0.39	0.72	1.97	-0.90
350-400	700	0.43	0.75	2.08	-0.81
400-450	700	0.44	0.78	2.09	-0.91
450-500	700	0.49	0.78	2.20	-0.77
500-550	280	0.48	0.72	2.16	-0.69
550-600	280	0.44	0.58	2.00	-0.63
600-650	280	0.37	0.47	1.59	-0.54
650-700	280	0.34	0.37	1.29	-0.37
700-750	280	0.25	0.30	1.01	-0.23
750-800	280	0.20	0.25	0.86	-0.15
800-850	280	0.17	0.22	0.75	-0.18
850-900	280	0.14	0.20	0.66	-0.17
900-950	272	0.12	0.17	0.58	-0.13
950-1000	270	0.09	0.15	0.46	-0.27

Results of QC

A total of 29 profiles (608 data, reported by BATHY or TESAC) were received from the KEIFU MARU.
The results of JMA quality control are as follows.

Grounded test

Error data: 0 of 608

Position on land test

On land: 0 of 29

Invalid position: 0 of 29

Regional range test

Error data (low): 0 of 608

Error data (high): 0 of 608

Gradient test

Error data: 0 of 608

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

Summary of QC

QC detected no unnatural profiles.
There were large differences between observation data and the results of assimilation in areas near the Kuroshio front (around 32°N).

Figures

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

◊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.

◊Vertical sections for the result of assimilation by MOVE-NP	◊Distribution of differences (Obs. - Assim.) by depth

◊Vertical sections of differences (Obs. - Assim.)	◊Distribution of differences (Obs. - Assim.) by temperature