GTSPP Data Product Centre

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)

UNDARUM(5BWD2), PX40
Observation period : 2019/4/5 to 2019/4/16

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

Overall statistics

Number of profiles	Number of data	AVE	RMSD	MAXD	MIND
185	58919	0.10	0.57	3.06	-24.73

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	4526	0.04	0.87	1.79	-24.73
50-100	4504	-0.13	0.61	1.78	-2.15
100-150	4500	-0.09	0.63	2.50	-2.19
150-200	4500	0.13	0.67	3.02	-2.28
200-250	4500	0.18	0.53	2.27	-1.62
250-300	4500	0.15	0.49	1.84	-1.76
300-350	4500	0.17	0.51	2.05	-1.75
350-400	4494	0.24	0.54	2.18	-1.28
400-450	4475	0.26	0.53	2.27	-1.36
450-500	4455	0.23	0.51	2.10	-1.08
500-550	1780	0.16	0.52	2.28	-1.10
550-600	1780	0.08	0.48	2.30	-1.28
600-650	1780	0.01	0.44	1.66	-1.40
650-700	1780	-0.01	0.41	1.43	-1.39
700-750	1780	-0.02	0.34	1.94	-1.33
750-800	1778	-0.01	0.29	2.34	-0.98
800-850	1770	0.03	0.27	2.78	-0.63
850-900	1460	0.07	0.29	3.06	-0.47
900-950	57	0.14	0.15	0.65	-0.20
950-1000	0	-	-	-	-

Results of QC

A total of 185 profiles (154378 data, reported by BATHY or TESAC) were received from the UNDARUM.
The results of JMA quality control are as follows.

Grounded test

Error data: 0 of 154378

Position on land test

On land: 0 of 185

Invalid position: 0 of 185

Regional range test

Error data (low): 0 of 154378

Error data (high): 0 of 154378

Gradient test

Error data: 43 of 154378

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

Summary of QC

QC detected some unnatural profiles shown in 'Results of QC'.
There were large differences at depths of between 150 and 250 m in the seas around 175°E. The observation data showed sharper thermocline than the assimilation data.

Figures

◊Station map	◊Vertical temperature profile Vertical profile of temperature along the observing line of PX40 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