New method of temperature and conductivity sensor calibration with improved efficiency for screening SBE41 CTD on Argo floats

Hosoda, Shigeki; Hirano, Mizue; Hashimukai, Takayuki; Asai, Satoko; Kawakami, Noriko

doi:10.1186/s40645-019-0310-1

Progress in Earth and Planetary Science

Table 6 Specification of 88 experiments of J-calibration based on 33 floats. All SBE41 sensors are examined with J-Calibration more than twice

From: New method of temperature and conductivity sensor calibration with improved efficiency for screening SBE41 CTD on Argo floats

Float type	Float S/N	Date (2017)	Float (SBE41)			Standard sensor			Difference (× 10⁻³)
Float type	Float S/N	Date (2017)	T [^oC]	C [Sm⁻¹]	S [PSS-78]	T [^oC]	C [Sm⁻¹]	S [PSS-78]	ΔT [^oC]	ΔC [S m⁻¹]	ΔS [PSS78]
APEX	7849	August 14	23.2411	5.11240	34.9093	23.2389	5.11326	34.9177	2.26	− 0.861	− 8.40
APEX	7849	August 21	22.4158	5.02942	34.9253	22.4158	5.03046	34.9334	− 0.03	− 1.035	− 8.05
APEX	7849	August 21	22.4637	5.05372	35.0764	22.4664	5.05522	35.0859	− 2.70	− 1.500	− 9.53
APEX	7849	August 24	22.2976	5.00687	34.8440	22.2990	5.00818	34.8531	− 1.34	− 1.306	− 9.14
APEX	7849	August 24	23.1198	5.09107	34.8415	23.1229	5.09260	34.8509	− 3.03	− 1.528	− 9.35
APEX	7849	April 26	22.5755	5.04418	34.9123	22.5779	5.04475	34.9148	− 2.36	− 0.566	− 2.51
APEX	7849	April 26	22.1196	4.99755	34.9140	22.1210	4.99804	34.9167	− 1.43	− 0.489	− 2.69
APEX	7907	August 14	23.2399	5.11377	34.9208	23.2390	5.11328	34.9177	0.81	0.489	3.12
APEX	7907	August 21	22.4158	5.03079	34.9359	22.4160	5.03048	34.9334	− 0.20	0.310	2.58
APEX	7907	August 21	22.4643	5.05513	35.0869	22.4666	5.05524	35.0859	− 2.27	− 0.109	0.98
APEX	7907	August 24	22.2980	5.00827	34.8546	22.2992	5.00821	34.8531	− 1.21	0.066	1.48
APEX	7907	August 24	23.1198	5.09252	34.8528	23.1231	5.09262	34.8509	− 3.34	− 0.097	1.90
APEX	8084	August 15	22.5776	5.04404	34.9095	22.5755	5.04347	34.9068	2.12	0.568	2.73
APEX	8084	August 17	22.4651	5.02755	34.8712	22.4643	5.02723	34.8694	0.83	0.321	1.83
APEX	8084	August 22	21.9148	4.93533	34.5895	21.9119	4.93483	34.5879	2.91	0.496	1.57
APEX	8084	August 22	22.2110	4.96531	34.5882	22.2100	4.96501	34.5867	1.04	0.295	1.48
APEX	8085	August 15	22.5765	5.04361	34.9071	22.5756	5.04349	34.9068	0.83	0.119	0.26
APEX	8085	August 17	22.4653	5.02741	34.8700	22.4644	5.02724	34.8694	0.92	0.172	0.60
APEX	8085	August 22	21.9101	4.93473	34.5886	21.9121	4.93486	34.5879	− 2.05	− 0.124	0.67
APEX	8085	August 22	22.2086	4.96498	34.5875	22.2101	4.96503	34.5867	− 1.49	− 0.051	0.79
APEX	8086	August 15	22.5761	5.04387	34.9094	22.5758	5.04350	34.9068	0.37	0.371	2.59
APEX	8086	August 17	22.4644	5.02713	34.8685	22.4646	5.02726	34.8694	− 0.15	− 0.130	− 0.90
APEX	8086	August 22	21.9117	4.93471	34.5871	21.9124	4.93488	34.5879	− 0.70	− 0.172	− 0.79
APEX	8086	August 22	22.2105	4.96497	34.5860	22.2103	4.96505	34.5867	0.20	− 0.076	− 0.76
APEX	8087	August 16	23.0446	5.09439	34.9267	23.0430	5.09393	34.9245	1.67	0.457	2.20
APEX	8087	August 23	22.1860	5.00377	34.9094	22.1870	5.00357	34.9070	− 1.05	0.200	2.41
APEX	8087	August 23	22.4708	5.03274	34.9071	22.4715	5.03246	34.9044	− 0.69	0.279	2.72
APEX	8088	August 16	23.0416	5.09384	34.9250	23.0431	5.09395	34.9245	− 1.59	− 0.109	0.42
APEX	8088	August 23	22.1851	5.00322	34.9058	22.1873	5.00360	34.9070	− 2.22	− 0.379	− 1.19
APEX	8088	August 23	22.4700	5.03232	34.9045	22.4716	5.03248	34.9044	− 1.64	− 0.158	0.08
APEX	8089	August 16	23.0416	5.09394	34.9256	23.0433	5.09396	34.9245	− 1.65	− 0.027	1.11
APEX	8089	August 23	22.1877	5.00345	34.9054	22.1875	5.00362	34.9070	0.19	− 0.179	− 1.55
APEX	8089	August 23	22.4695	5.03235	34.9051	22.4718	5.03250	34.9044	− 2.37	− 0.146	0.77
APEX	8262	April 16	22.9391	5.09810	35.0395	22.9372	5.09758	35.0370	1.89	0.514	2.46
APEX	8262	April 16	22.6803	5.07164	35.0417	22.6798	5.07106	35.0376	0.49	0.575	4.07
APEX	8263	April 16	22.9372	5.09791	35.0396	22.9374	5.09761	35.0370	− 0.24	0.306	2.56
APEX	8263	April 16	22.6802	5.07151	35.0408	22.6799	5.07108	35.0376	0.28	0.437	3.16
APEX	8264	April 16	22.9365	5.09793	35.0399	22.9376	5.09763	35.0370	− 1.08	0.302	2.82
APEX	8264	April 16	22.6793	5.07158	35.0421	22.6801	5.07109	35.0376	− 0.80	0.493	4.46
APEX	8265	April 17	23.1576	5.11128	34.9669	23.1565	5.11127	34.9678	1.18	0.005	− 0.90
APEX	8265	April 17	23.0436	5.09961	34.9678	23.0432	5.09955	34.9677	0.32	0.052	0.15
APEX	8266	April 17	23.1586	5.11174	34.9697	23.1567	5.11130	34.9678	1.87	0.440	1.90
APEX	8266	April 17	23.0446	5.10010	34.9708	23.0434	5.09957	34.9677	1.22	0.533	3.14
APEX	8267	April 17	23.1586	5.11187	34.9707	23.1570	5.11133	34.9678	1.65	0.546	2.89
APEX	8267	April 17	23.0446	5.10014	34.9711	23.0436	5.09959	34.9677	1.03	0.553	3.44
APEX	8416	April 18	23.2711	5.12112	34.9524	23.2725	5.12115	34.9515	− 1.44	− 0.027	0.93
APEX	8416	April 18	22.8732	5.08021	34.9539	22.8736	5.08000	34.9519	− 0.43	0.218	2.02
APEX	8417	April 18	22.8749	5.08081	34.9571	22.8737	5.08001	34.9519	1.21	0.800	5.22
APEX	8417	April 20	24.1304	5.19782	34.8593	24.1308	5.19756	34.8571	− 0.35	0.260	2.22
APEX	8417	April 20	23.7884	5.16263	34.8609	23.7872	5.16198	34.8569	1.24	0.651	3.97
APEX	8418	April 18	23.2715	5.12142	34.9544	23.2728	5.12117	34.9515	− 1.25	0.253	2.93
APEX	8418	April 18	22.8737	5.08046	34.9554	22.8739	5.08002	34.9519	− 0.16	0.439	3.52
APEX	8419	April 19	23.7940	5.16733	34.8922	23.7948	5.16709	34.8898	− 0.77	0.235	2.39
APEX	8419	April 19	23.6412	5.15155	34.8925	23.6414	5.15119	34.8896	− 0.25	0.361	2.95
APEX	8420	April 19	23.7945	5.16744	34.8927	23.7950	5.16712	34.8898	− 0.58	0.320	2.89
APEX	8420	April 19	23.6422	5.15175	34.8932	23.6416	5.15121	34.8896	0.61	0.541	3.64
APEX	8421	April 19	23.7964	5.16765	34.8928	23.7953	5.16715	34.8898	1.07	0.505	2.99
APEX	8421	April 19	23.6424	5.15177	34.8932	23.6417	5.15122	34.8896	0.64	0.544	3.64
APEX	8422	April 20	24.1284	5.19773	34.8602	24.1302	5.19750	34.8571	− 1.77	0.231	3.13
APEX	8422	April 20	23.7866	5.16247	34.8612	23.7869	5.16195	34.8569	− 0.33	0.529	4.28
APEX	8423	April 20	24.1291	5.19774	34.8597	24.1305	5.19753	34.8571	− 1.33	0.210	2.63
APEX	8423	April 20	23.7883	5.16267	34.8613	23.7871	5.16196	34.8569	1.23	0.703	4.37
Navis	584	August 14	23.2405	5.11382	34.9207	23.2387	5.11325	34.9177	1.74	0.575	3.04
Navis	584	August 21	22.4179	5.03106	34.9364	22.4157	5.03044	34.9334	2.24	0.620	3.03
Navis	584	August 21	22.4685	5.05551	35.0864	22.4662	5.05521	35.0859	2.29	0.300	0.49
Navis	584	August 24	22.3003	5.00872	34.8562	22.2987	5.00815	34.8531	1.62	0.569	3.14
Navis	584	August 24	23.1222	5.09297	34.8542	23.1226	5.09257	34.8508	− 0.44	0.392	3.36
Navis	913	April 23	23.3763	5.14524	35.0538	23.3767	5.14491	35.0509	− 0.39	0.334	2.87
Navis	913	April 23	23.1729	5.12431	35.0550	23.1740	5.12398	35.0516	− 1.10	0.330	3.41
Navis	914	April 23	23.3775	5.14553	35.0551	23.3769	5.14492	35.0509	0.66	0.614	4.18
Navis	914	April 23	23.1745	5.12461	35.0560	23.1741	5.12398	35.0516	0.40	0.626	4.49
Navis	915	April 23	23.3783	5.14542	35.0536	23.3770	5.14493	35.0509	1.25	0.487	2.74
Navis	915	April 23	23.1742	5.12440	35.0547	23.1741	5.12399	35.0516	0.06	0.412	3.12
Navis	916	April 24	23.3022	5.12756	34.9771	23.3033	5.12758	34.9764	− 1.11	− 0.020	0.73
Navis	916	April 24	22.6258	5.05820	34.9810	22.6263	5.05816	34.9800	− 0.49	0.033	1.01
Navis	917	April 24	23.3056	5.12839	34.9807	23.3034	5.12759	34.9764	2.23	0.796	4.33
Navis	917	April 24	22.6273	5.05887	34.9850	22.6264	5.05817	34.9800	0.94	0.697	5.03
Navis	918	April 24	22.6274	5.05795	34.9778	22.6264	5.05818	34.9800	0.98	− 0.222	− 2.14
Navis	918	April 26	22.5774	5.04438	34.9124	22.5778	5.04474	34.9148	− 0.44	− 0.359	− 2.44
Navis	918	April 26	22.1215	4.99783	34.9147	22.1209	4.99803	34.9167	0.61	− 0.202	− 2.08
Navis	919	April 25	21.9950	4.98649	34.9276	21.9949	4.98577	34.9221	0.08	0.715	5.56
Navis	919	April 25	22.4174	5.02985	34.9273	22.4195	5.02940	34.9222	− 2.06	0.449	5.16
Navis	920	April 25	21.9948	4.98670	34.9293	21.9949	4.98578	34.9221	− 0.08	0.918	7.29
Navis	920	April 25	22.4186	5.03011	34.9284	22.4195	5.02940	34.9222	− 0.90	0.708	6.24
Navis	921	April 25	21.9928	4.98619	34.9270	21.9950	4.98578	34.9221	− 2.19	0.409	4.99
Navis	921	April 25	22.4156	5.02955	34.9265	22.4196	5.02941	34.9222	− 4.04	0.140	4.33
Navis	922	April 26	22.5770	5.04524	34.9193	22.5777	5.04473	34.9148	− 0.69	0.505	4.48
Navis	922	April 26	22.1209	4.99860	34.9212	22.1208	4.99802	34.9167	0.09	0.576	4.45

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