CRUISE_ID	CRUISE_NAME	SENTRY_SUPR_DIVE	DATE	START_EVENT	ISO_DateTime_UTC_START_EVENT	END_EVENT	ISO_DateTime_UTC_END_EVENT	START_EVENT_LAT	START_EVENT_LON	END_EVENT_LAT	END_EVENT_LON	STNNBR	FEATURE	FEATURE_COMMENTS	SAMPLE_METHOD	EVENT	SUPR_PORT	SUPR_BOTTLE	SUPR_FILTERED_VOLUME	CTD_CAST	CTD_ROSETTE_POSITION	CTD_NISKIN_BOTTLE	CRUISE_SAMPNO	LOCATION_FLAG	DEPTH	CTD_ROSETTE_ACTUAL_DEPTH	BOTTOM_DEPTH	SILICATE_CONC	PHOSPHATE_CONC	NITRATE_CONC	NITRITE_CONC	AMMONIUM_CONC	NUTRIENT_LAB_TEMP	NUTRIENT_FLAG	KNOWN_CTD_BOTTLE_ISSUE	KNOWN_SUPR_PORT_ISSUE
unitless	unitless	unitless	unitless	unitless	UTC	unitless	UTC	degrees_north	degrees_east	degrees_north	degrees_east	unitless	unitless	unitless	unitless	unitless	unitless	unitless	liters	unitless	unitless	unitless	unitless	unitless	m	m	meters (m)	"\u00b5mol/L"	"\u00b5mol/L"	"\u00b5mol/L"	"\u00b5mol/L"	"\u00b5mol/L"	Celsius	unitless	unitless	unitless
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	"bottom-most, small bump in particles"	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	1	1	1001		2150.0	2143.756	2198	181.9	2.97	41.96	0.0	0.11	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	relative 'quiet zone'	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	3	3	1003		2100.0	2095.0	2198	183.4	2.97	42.12	0.02	0.05	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	"positive T blip, Xmiss blip. Young?"	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	5	5	1005		2048.0	2042.689	2198	182.9	2.98	42.03	0.02	0.13	20.2		top was slightly ajar	
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	"PLUME, high Xmiss"	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	7	7	1007		1975.0	1969.585	2198	184.0	2.98	42.24	0.0	0.14	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	"PLUME, highest Xmiss, +T blip?"	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	9	9	1009		1950.0	1944.996	2198	183.4	2.9	41.04	0.0	0.12	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-28	0:15	2023-08-28T00:15:00Z	2:16	2023-08-28T02:16:00Z	47.966583	-129.09015	47.96658	-129.09015	2	Hi-Rise on axis	"PLUME, high Xmiss, +T blip?"	Trace Metal Rosette	20230828.0714.001	NaN	NaN	NaN	1	11	11	1011		1925.0	1919.79	2198	124.0	2.66	36.4	0.02	0.03	20.2	"nitrate is < 150 umol/L, potentially low"	dripping out bottom	
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"low ORP, lower particles. High Fe(II)?"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	1	1	1013		2150.0	NaN	2195	181.3	2.99	42.1	0.0	0.13	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"lowest ORP, low particles. High Fe(II)?"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	3	3	1015		2101.0	2095.967	2195	182.9	2.98	42.19	0.0	0.17	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"particle max, higher ORP"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	5	5	1017		2060.0	2055.376	2195	183.2	2.99	42.3	0.0	0.17	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"particle max, higher ORP"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	7	8	1019		2040.0	2036.309	2195	182.6	2.99	42.27	0.0	0.08	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"high particles, more oxidizing ORP"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	9	9	1021		2000.0	NaN	2195	182.8	2.98	42.41	0.0	0.06	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	13:15	2023-08-29T13:15:00Z	15:18	2023-08-29T15:18:00Z	47.94855	-129.09787	47.9484	-129.09853	3	Main Endeavor Field on-axis	"high particles, more oxidizing ORP"	Trace Metal Rosette	20230829.2049.001	NaN	NaN	NaN	1	11	11	1023		1978.0	1972.875	2195	182.8	2.99	42.29	0.0	0.05	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	"low ORP, lowish particles"	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	1	1	1025		2150.0	2143.92	2195	182.3	2.99	42.25	0.0	0.1	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	"lowest ORP, medium particles. Fe(II)?"	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	3	3	1027		2120.0	2114.902	2195	183.4	2.98	42.27	0.0	0.07	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	"More oxidizing ORP, medium particles"	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	5	5	1029		2073.0	2068.156	2195	181.4	3.0	42.2	0.0	0.11	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	"New upcast particle max, higher ORP"	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	7	7	1031		2040.0	2034.485	2195	182.1	2.98	42.36	0.0	0.15	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	"Highest particles, more oxidizing ORP"	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	9	9	1033		2023.0	2018.688	2195	182.7	2.99	42.44	0.0	0.04	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-29	18:57	2023-08-29T18:57:00Z	20:57	2023-08-29T20:57:00Z	47.94845	-129.09846	47.948444	-129.09846	3	Main Endeavor Field on-axis	Above-plume background	Trace Metal Rosette	20230830.0206.001	NaN	NaN	NaN	2	12	12	1036		1800.0	1796.047	2195	175.0	3.09	43.38	0.0	0.11	20.2			
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	bottom-most 'below plume'?	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	1	1	1037		2145.0	NaN	2198	182.9	2.98	42.4	0.0	0.0	20.8			
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	"low ORP, turbidity peak"	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	3	3	1039		2053.0	2048.366	2198	184.0	2.97	42.23	0.0	0.09	20.8			
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	"lower ORP, small turb peak"	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	5	5	1041		2010.0	2005.346	2198	184.3	2.97	42.18	0.02	0.08	20.8			
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	in tubridity max	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	7	8	1043		1977.0	1972.183	2198	181.9	2.71	33.83	0.0	0.27	20.8			
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	"top of turbidity max, local ORP min"	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	9	9	1045		1957.0	1951.917	2198	111.9	2.07	25.78	0.0	0.3	20.8	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries		2023-08-30	22:57	2023-08-30T22:57:00Z	1:16	2023-08-30T01:16:00Z	47.966877	-129.08994	47.966877	-129.08992	2	Hi-Rise on axis	above plume background	Trace Metal Rosette	20230831.0600.001	NaN	NaN	NaN	4	11	11	1047		1800.0	1794.48	2198	169.7	2.97	39.22	0.0	0.02	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	60m above bottom	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	1	1	1049		2220.0	2213.431	2280	175.7	3.08	43.54	0.0	0.0	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	turbidity maximum	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	3	3	1051		2130.0	2123.902	2280	140.8	2.47	29.27	0.0	0.21	20.8	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	"turbidity max, ORP drop"	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	5	5	1053		2098.0	2090.86	2280	152.7	2.5	32.51	0.0	0.11	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	"ORP min, many fewer particles"	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	7	7	1055		2060.0	2053.601	2280	183.3	2.98	42.08	0.0	0.06	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	downcast ORP disappeared on upcast	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	9	9	1057		2040.0	2034.253	2280	183.7	2.97	42.07	0.0	0.05	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-03	22:08	2023-09-03T22:08:00Z	1:45	2023-09-03T01:45:00Z	47.923557	-129.10841	47.923546	-129.10841	4	Mothra on axis	above plume background	Trace Metal Rosette	20230904.0516.001	NaN	NaN	NaN	1	12	12	1060		1800.0	1795.923	2280	183.9	2.96	42.0	0.0	0.02	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	"60m above bottom, small turbidity peak"	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	1	1	1061		2095.0	2086.426	2155	182.8	2.99	42.22	0.0	0.04	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	"small turbidity bulge, low ORP"	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	3	3	1063		2085.0	2081.066	2155	183.0	2.96	42.23	0.0	0.03	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	"above bkgrd turbidity, slight drop ORP"	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	5	5	1065		2040.0	2032.139	2155	180.9	2.99	42.55	0.0	0.06	20.8		Top slight ajar but sealed	
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	"above bkgrd turbidity, slight drop ORP"	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	7	7	1067		1990.0	1985.148	2155	179.1	3.01	42.64	0.0	0.08	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	turbidity max	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	9	9	1069		1940.0	1934.929	2155	179.5	3.01	42.78	0.02	0.16	20.8			
AT50-15	Hydrothermal Estuaries		2023-09-04	12:10	2023-09-04T12:10:00Z	14:58	2023-09-04T14:58:00Z	47.923557	-129.10841	47.923546	-129.10841	5	Salty Dawg on axis	above plume background	Trace Metal Rosette	20230904.1917.001	NaN	NaN	NaN	1	11	11	1071		1800.0	1795.116	2155	175.5	3.07	43.48	0.0	0.03	20.8			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	14:02:52	2023-09-05T14:02:00Z	14:18:08	2023-09-05T14:18:00Z	47.9669	-129.08174	47.96123	-129.0849	NaN	"Sentry 686, High-Rise 1km high-res"	"A \"deadman\" timer was programmed onto SUPR for this dive to automatically take a sample 25 minutes after the last sample (manually triggered or autonomously triggered) was fired. For the majority of samples taken during this dive, the sample was manually triggered. Triggering occured to capture samples on each of 1km tracklines on the first lawnmower pattern of a multi-lawnmower dive. One automatic sample was taken, which overlaps with the manual samples."	AUV SENTRY+SUPR Sampler		17	1	34.82	NaN	NaN	NaN	1085		2000.0	NaN	NaN	130.5	2.26	31.36	0.0	0.07	20.2	"nitrate is < 150 umol/L, potentially low"		High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	14:20:25	2023-09-05T14:20:00Z	14:36:12	2023-09-05T14:36:00Z	47.960457	-129.08548	47.962154	-129.09378	NaN	"Sentry 686, High-Rise 1km high-res"	The SUPR sample duration was 15 minutes for this dive.	AUV SENTRY+SUPR Sampler		18	2	10.19	NaN	NaN	NaN	1086		1999.9	NaN	NaN	176.4	2.92	41.54	0.0	0.21	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	8:54:24	2023-09-05T08:54:00Z	9:09:28	2023-09-05T09:09:00Z	47.965572	-129.09827	47.970352	-129.09564	NaN	"Sentry 686, High-Rise 1km high-res"	"Position error unknown because string has gone over the maximum number of characters. CB, CG also in Hydrolab"	AUV SENTRY+SUPR Sampler		1	3	11.11	NaN	NaN	NaN	1087		1999.9	NaN	NaN	168.0	2.7	39.0	0.0	0.03	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	9:19:29	2023-09-05T09:19:00Z	9:42:49	2023-09-05T09:42:00Z	47.971836	-129.09338	47.96358	-129.09769	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		2	4	11.04	NaN	NaN	NaN	1088		1999.9	NaN	NaN	179.5	2.94	42.04	0.0	0.0	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	9:47:00	2023-09-05T09:47:00Z	10:08:53	2023-09-05T10:08:00Z	47.963985	-129.0963	47.970978	-129.09242	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		3	5	17.44	NaN	NaN	NaN	1089		1999.9	NaN	NaN	172.5	2.8	40.07	0.0	0.0	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	10:15:00	2023-09-05T10:15:00Z	10:37:31	2023-09-05T10:37:00Z	47.971226	-129.09082	47.963192	-129.0953	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		5	6	38.34	NaN	NaN	NaN	1090		1999.9	NaN	NaN	179.3	2.94	41.75	0.0	0.0	20.2			High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	10:41:00	2023-09-05T10:41:00Z	11:04:52	2023-09-05T11:04:00Z	47.962864	-129.09401	47.970654	-129.0897	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		6	7	11.01	NaN	NaN	NaN	1091		2000.0	NaN	NaN	172.6	2.86	40.61	0.0	0.0	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	13:44:16	2023-09-05T13:44:00Z	14:00:52	2023-09-05T14:00:00Z	47.966106	-129.08363	47.96763	-129.08134	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		15	8	9.94	NaN	NaN	NaN	1092		2000.0	NaN	NaN	179.3	2.94	41.56	0.0	0.06	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	13:28:40	2023-09-05T13:28:00Z	13:50:00	2023-09-05T13:50:00Z	47.961308	-129.08629	47.9679	-129.08264	NaN	"Sentry 686, High-Rise 1km high-res"	"vol based on SUPR EEPROM counts of 1703; Line11; status was not updated in time to capture this data; nominal guess is 13:45; showed IDLE at 14:00; end time, end lat/long, end depth all questionable"	AUV SENTRY+SUPR Sampler		14	9	10.1	NaN	NaN	NaN	1093		2000.0	NaN	NaN	179.8	2.94	41.64	0.0	0.02	20.2			based on EEPROM counts 1703
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	13:07:55	2023-09-05T13:07:00Z	13:24:12	2023-09-05T13:24:00Z	47.967175	-129.08447	47.96119	-129.08778	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		13	10	9.83	NaN	NaN	NaN	1094		2000.0	NaN	NaN	181.9	2.96	41.87	0.0	0.07	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	12:33:00	2023-09-05T12:33:00Z	12:55:29	2023-09-05T12:55:00Z	47.961983	-129.0888	47.96905	-129.08487	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		12	11	27.87	NaN	NaN	NaN	1095		2000.0	NaN	NaN	179.8	2.93	41.83	0.0	0.0	20.2			High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	12:08:00	2023-09-05T12:08:00Z	12:26:09	2023-09-05T12:26:00Z	47.969334	-129.08617	47.962685	-129.08987	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		11	12	10.28	NaN	NaN	NaN	1096		2000.0	NaN	NaN	182.9	2.95	41.76	0.0	0.13	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	11:41:00	2023-09-05T11:41:00Z	12:00:49	2023-09-05T12:00:00Z	47.963734	-129.09074	47.97	-129.08723	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		10	13	11.59	NaN	NaN	NaN	1097		1999.9	NaN	NaN	180.1	2.92	41.28	0.0	0.16	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_686	2023-09-05	11:17:58	2023-09-05T11:17:00Z	11:34:53	2023-09-05T11:34:00Z	47.9679	-129.0898	47.96224	-129.09206	NaN	"Sentry 686, High-Rise 1km high-res"		AUV SENTRY+SUPR Sampler		9	14	10.66	NaN	NaN	NaN	1098		2000.0	NaN	NaN	177.6	2.92	41.52	0.0	0.0	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	10:38	2023-09-07T10:38:00Z	10:59	2023-09-07T10:59:00Z	47.95247	-129.09933	47.944782	-129.10356	NaN	"Sentry 687, MEF 1km high-res"	Significant turbidity spike and flattening in ORP gradient at very end of sampling	AUV SENTRY+SUPR Sampler		17	1	37.5	NaN	NaN	NaN	1123		1999.9	NaN	NaN	158.0	2.78	39.11	0.02	0.03	20.1			"Double Filter,High Volume Flag"
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	11:03	2023-09-07T11:03:00Z	11:25	2023-09-07T11:25:00Z	47.944664	-129.10219	47.950966	-129.09875	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		18	2	13.93	NaN	NaN	NaN	1124		2000.0	NaN	NaN	173.6	2.96	41.92	0.02	0.03	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	21:02	2023-09-06T21:02:00Z	21:23	2023-09-06T21:23:00Z	47.94605	-129.10753	47.953064	-129.10359	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		1	3	15.55	NaN	NaN	NaN	1125		1999.9	NaN	NaN	126.9	2.11	30.41	0.0	0.05	20.2	"nitrate is < 150 umol/L, potentially low"		High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	21:30	2023-09-06T21:30:00Z	21:51	2023-09-06T21:51:00Z	47.95375	-129.10165	47.946884	-129.1056	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		2	4	15.34	NaN	NaN	NaN	1126		2000.0	NaN	NaN	178.0	2.98	42.15	0.0	0.09	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	22:00	2023-09-06T22:00:00Z	22:21	2023-09-06T22:21:00Z	47.94538	-129.10495	47.952362	-129.10109	NaN	"Sentry 687, MEF 1km high-res"	Sample collected hopefully in local turbidity max region	AUV SENTRY+SUPR Sampler		3	5	14.62	NaN	NaN	NaN	1127		2000.0	NaN	NaN	156.9	2.6	37.27	0.0	0.05	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	22:28	2023-09-06T22:28:00Z	22:49	2023-09-06T22:49:00Z	47.95305	-129.09917	47.946217	-129.10309	NaN	"Sentry 687, MEF 1km high-res"	Big volume?	AUV SENTRY+SUPR Sampler		5	6	51.92	NaN	NaN	NaN	1128		2000.0	NaN	NaN	176.2	2.98	42.13	0.0	0.04	20.2			High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	22:57	2023-09-06T22:57:00Z	23:18	2023-09-06T23:18:00Z	47.94447	-129.1025	47.951458	-129.09871	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		6	7	15.94	NaN	NaN	NaN	1129		2000.2	NaN	NaN	96.8	1.61	23.75	0.0	0.08	20.2	"nitrate is < 100 umol/L, low"		
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	2:17	2023-09-07T02:17:00Z	2:38	2023-09-07T02:38:00Z	47.950558	-129.08907	47.943466	-129.09306	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		15	8	15.55	NaN	NaN	NaN	1130		2000.0	NaN	NaN	173.8	3.0	42.57	0.02	0.0	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	1:47	2023-09-07T01:47:00Z	2:09	2023-09-07T02:09:00Z	47.94253	-129.095	47.949356	-129.09123	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		14	9	14.96	NaN	NaN	NaN	1131		2000.0	NaN	NaN	116.8	2.01	28.41	0.0	0.03	20.1	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	1:20	2023-09-07T01:20:00Z	1:41	2023-09-07T01:41:00Z	47.951157	-129.09163	47.94415	-129.09557	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		13	10	17.41	NaN	NaN	NaN	1132		2000.0	NaN	NaN	173.7	3.01	42.42	0.02	0.0	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	0:51	2023-09-07T00:51:00Z	1:12	2023-09-07T01:12:00Z	47.943226	-129.09743	47.95017	-129.09367	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		12	11	42.86	NaN	NaN	NaN	1133		2000.0	NaN	NaN	165.1	2.9	40.15	0.0	0.0	20.1			High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-07	0:23	2023-09-07T00:23:00Z	0:44	2023-09-07T00:44:00Z	47.95179	-129.09413	47.94471	-129.09813	NaN	"Sentry 687, MEF 1km high-res"		AUV SENTRY+SUPR Sampler		11	12	16.71	NaN	NaN	NaN	1134		2000.0	NaN	NaN	175.3	3.0	42.22	0.02	0.0	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	23:54	2023-09-06T23:54:00Z	0:16	2023-09-06T00:16:00Z	47.943905	-129.09995	47.9509	-129.09612	NaN	"Sentry 687, MEF 1km high-res"	"The first 12 bottles were tripped according to a deadman timer on the system. The last two bottles were manually tripped to capture an interesting feature in the later part of the dive which showed high turbidity and methane, but small ORP features; it was believe this large spatial feature would be interesting to sample as it would be mixed older and newer plume fluid."	AUV SENTRY+SUPR Sampler		10	13	8.61	NaN	NaN	NaN	1135		1999.8	NaN	NaN	83.0	1.37	20.45	0.0	0.04	20.2	"nitrate is < 100 umol/L, low"		Double Filter
AT50-15	Hydrothermal Estuaries	SENTRY_687	2023-09-06	23:25	2023-09-06T23:25:00Z	23:46	2023-09-06T23:46:00Z	47.95242	-129.09666	47.945633	-129.10051	NaN	"Sentry 687, MEF 1km high-res"	The SUPR sample duration was 20 minutes for this dive.	AUV SENTRY+SUPR Sampler		9	14	18.94	NaN	NaN	NaN	1136		2000.0	NaN	NaN	166.5	2.82	39.43	0.0	0.07	20.2			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	12:29:26	2023-09-08T12:29:00Z	12:50:07	2023-09-08T12:50:00Z	47.95194	-129.12718	47.960995	-129.12231	NaN	"Sentry 688, 0-2km plume"	"Line 5, Sample 2 of 2 (Ended in plume with turbidity and ORP slightly decreasing)"	AUV SENTRY+SUPR Sampler		18	2	14.02	NaN	NaN	NaN	1162		1999.6	NaN	NaN	179.0	3.02	42.11	0.02	0.07	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	4:40:51	2023-09-08T04:40:00Z	5:01:13	2023-09-08T05:01:00Z	47.939457	-129.11235	47.945564	-129.10904	NaN	"Sentry 688, 0-2km plume"	Sample clearly contained plume-related structure	AUV SENTRY+SUPR Sampler		1	3	15.55	NaN	NaN	NaN	1163		2000.0	NaN	NaN	177.7	3.03	42.38	0.0	0.12	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	5:02:47	2023-09-08T05:02:00Z	5:22:50	2023-09-08T05:22:00Z	47.946045	-129.10878	47.952248	-129.10536	NaN	"Sentry 688, 0-2km plume"	"Sample collected during region of high methane (265ppm), high turbidity, with dropping ORP"	AUV SENTRY+SUPR Sampler		2	4	14.21	NaN	NaN	NaN	1164		2000.0	NaN	NaN	178.4	3.04	42.36	0.0	0.1	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	5:35:11	2023-09-08T05:35:00Z	5:55:14	2023-09-08T05:55:00Z	47.956154	-129.10324	47.962635	-129.0997	NaN	"Sentry 688, 0-2km plume"	"Sample collected during region of  high methane and turbidity. The final few minutes of pumping, when the water sample would be collected, were at a particularly high point"	AUV SENTRY+SUPR Sampler		3	5	13.54	NaN	NaN	NaN	1165		2000.0	NaN	NaN	178.6	3.01	42.14	0.02	0.16	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	6:34:37	2023-09-08T06:34:00Z	6:55:58	2023-09-08T06:55:00Z	47.97337	-129.09743	47.966335	-129.10118	NaN	"Sentry 688, 0-2km plume"	"Pumping initiated at very beginning of line. Minimal plume-related signal for majority of the pumping region, but some in the last few minutes"	AUV SENTRY+SUPR Sampler		6	7	15.68	NaN	NaN	NaN	1167		2000.0	NaN	NaN	178.6	3.02	42.22	0.0	0.13	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	11:08:25	2023-09-08T11:08:00Z	11:30:06	2023-09-08T11:30:00Z	47.957108	-129.1133	47.94972	-129.11743	NaN	"Sentry 688, 0-2km plume"	"Line 4, Sample 2 of 2 (ended in high turbidity , decreasing ORP, and high methane region, SW end of line 4)"	AUV SENTRY+SUPR Sampler		15	8	15.17	NaN	NaN	NaN	1168		2000.0	NaN	NaN	122.4	2.14	23.65	0.0	0.17	20.1	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	10:32:03	2023-09-08T10:32:00Z	10:53:39	2023-09-08T10:53:00Z	47.969383	-129.1065	47.961945	-129.1106	NaN	"Sentry 688, 0-2km plume"	"Line 4, Sample 1 of 2 (ended in particulates = good water samples)"	AUV SENTRY+SUPR Sampler		14	9	15.0	NaN	NaN	NaN	1169		2000.0	NaN	NaN	175.7	3.0	42.12	0.02	0.05	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	9:26:47	2023-09-08T09:26:00Z	9:47:27	2023-09-08T09:47:00Z	47.961357	-129.10747	47.968227	-129.10365	NaN	"Sentry 688, 0-2km plume"	"Line 3, Sample 3 (plume W of High Rise)"	AUV SENTRY+SUPR Sampler		13	10	24.62	NaN	NaN	NaN	1170		1999.9	NaN	NaN	178.2	2.99	41.88	0.0	0.02	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	9:00:12	2023-09-08T09:00:00Z	9:20:28	2023-09-08T09:20:00Z	47.95305	-129.11212	47.95924	-129.10864	NaN	"Sentry 688, 0-2km plume"	Line 3 sample 2 (West of MEF)	AUV SENTRY+SUPR Sampler		12	11	37.7	NaN	NaN	NaN	1171		2000.0	NaN	NaN	172.2	2.93	41.24	0.0	0.47	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	8:32:40	2023-09-08T08:32:00Z	8:53:27	2023-09-08T08:53:00Z	47.942913	-129.11784	47.95008	-129.1138	NaN	"Sentry 688, 0-2km plume"	Line 3 sample 1 (ended just as we entered plume to W of MEF)	AUV SENTRY+SUPR Sampler		11	12	19.21	NaN	NaN	NaN	1172		1999.9	NaN	NaN	172.9	3.02	42.35	0.0	0.2	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	7:33:44	2023-09-08T07:33:00Z	7:54:06	2023-09-08T07:54:00Z	47.954567	-129.10773	47.94808	-129.11133	NaN	"Sentry 688, 0-2km plume"	"Line 2 sample 3, plume anomaly detected west of MEF"	AUV SENTRY+SUPR Sampler		10	13	13.58	NaN	NaN	NaN	1173		2000.0	NaN	NaN	175.9	3.04	42.2	0.0	0.14	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_688	2023-09-08	7:02:11	2023-09-08T07:02:00Z	7:22:58	2023-09-08T07:22:00Z	47.96437	-129.10226	47.95791	-129.10585	NaN	"Sentry 688, 0-2km plume"	"Line 2 sample 2, Sentry past the plume anomaly west of High Rise when pumping stopped"	AUV SENTRY+SUPR Sampler		9	14	24.93	NaN	NaN	NaN	1174		2000.0	NaN	NaN	175.9	2.98	41.88	0.02	0.19	20.1			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	14:03:18	2023-09-13T14:03:00Z	14:23:18	2023-09-13T14:23:00Z	47.916767	-129.19557	47.924274	-129.19933	NaN	Sentry 689	"Bottle leaking on deck, closed with a little over a liter left"	AUV SENTRY+SUPR Sampler		17	1	34.16	NaN	NaN	NaN	1247		1999.0	NaN	NaN	112.4	2.05	28.72	0.0	0.11	20.4	"nitrate is < 150 umol/L, potentially low"		High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	14:27:18	2023-09-13T14:27:00Z	14:47:18	2023-09-13T14:47:00Z	47.92587	-129.20004	47.92587	-129.20004	NaN	Sentry 689	"Last sample, about to come off bottom in 5 minutes, so this will be taken mostly in the water column, Finished at about 1152m in the water column; no location or bottom data"	AUV SENTRY+SUPR Sampler		18	2	17.6	NaN	NaN	NaN	1248	"This sample was started just prior to the end of the AUV horizontal survey and sample pumping continued during ascent, during ascent vehicle lat and lon becomes less certain and is not recorded so for the final lat and lon of the of this sample a reasonable substitue is the start lat and lon, the final depth was taken from the vehile logs."	1152.0	NaN	NaN	156.3	3.21	43.73	0.0	0.16	20.4			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	1:03:14	2023-09-13T01:03:00Z	1:24:20	2023-09-13T01:24:00Z	47.962624	-129.11697	47.95568	-129.11996	NaN	Sentry 689	"Sample 1 of 2 on line 3, Ended right at start or just before a big spike"	AUV SENTRY+SUPR Sampler		1	3	20.13	NaN	NaN	NaN	1249		1999.9	NaN	NaN	86.9	1.44	21.21	0.0	0.21	20.4	"nitrate is < 100 umol/L, low"		Partial Drain on Deck
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	2:12:37	2023-09-13T02:12:00Z	2:32:37	2023-09-13T02:32:00Z	47.94004	-129.12677	47.9332	-129.12975	NaN	Sentry 689	"sample 2 of 2 on line 3, west of Southern tip of lines 1+2; near top of turbidity peak, vol based on counts"	AUV SENTRY+SUPR Sampler		2	4	22.92	NaN	NaN	NaN	1250		2000.0	NaN	NaN	179.0	3.0	41.97	0.02	0.18	20.4			Based on EEPROM counts
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	2:33:20	2023-09-13T02:33:00Z	2:53:30	2023-09-13T02:53:00Z	47.932953	-129.12985	47.93567	-129.13283	NaN	Sentry 689	"sample 1 of 1 on line 4 (SUPR fired this sample accidentally); decreased turbidity, ORP leveled out (no longer decreasing)"	AUV SENTRY+SUPR Sampler		3	5	16.77	NaN	NaN	NaN	1251		2000.0	NaN	NaN	123.9	2.09	29.86	0.02	0.42	20.4	"nitrate is < 150 umol/L, potentially low"		Anomalously low pH ~6
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	4:50:33	2023-09-13T04:50:00Z	5:10:53	2023-09-13T05:10:00Z	47.96091	-129.13852	47.957985	-129.14066	NaN	Sentry 689	"Sample at corner between lines 4 and 5 in region of spice, some methane, some turbidity, gently dropping ORP"	AUV SENTRY+SUPR Sampler		5	6	52.09	NaN	NaN	NaN	1252		1999.4	NaN	NaN	178.6	2.99	42.1	0.02	0.28	20.4			High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	6:52:02	2023-09-13T06:52:00Z	7:12:02	2023-09-13T07:12:00Z	47.937767	-129.15028	47.92974	-129.15471	NaN	Sentry 689	"Mid L5 sampling start. Region of gradually decreasing ORP, small methane feature, small turbidity feature."	AUV SENTRY+SUPR Sampler		6	7	16.23	NaN	NaN	NaN	1253		2000.0	NaN	NaN	123.6	2.04	29.13	0.02	0.29	20.4	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	13:38:46	2023-09-13T13:38:00Z	13:58:46	2023-09-13T13:58:00Z	47.911247	-129.1915	47.915108	-129.19473	NaN	Sentry 689	"Ended at the start of line 8, no plume signal when ended"	AUV SENTRY+SUPR Sampler		15	8	14.31	NaN	NaN	NaN	1254		1999.0	NaN	NaN	171.5	3.03	42.24	0.0	0.21	20.4			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	13:11:48	2023-09-13T13:11:00Z	13:31:38	2023-09-13T13:31:00Z	47.920757	-129.19106	47.913975	-129.19043	NaN	Sentry 689	"Ended on line 7, out of the plume"	AUV SENTRY+SUPR Sampler		14	9	18.48	NaN	NaN	NaN	1255		1998.9	NaN	NaN	88.0	1.5	21.16	0.0	0.2	20.4	"nitrate is < 100 umol/L, low"		
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	12:46:12	2023-09-13T12:46:00Z	13:06:12	2023-09-13T13:06:00Z	47.930206	-129.18697	47.92278	-129.19026	NaN	Sentry 689	"Taken towards the end of the plume signal, maybe just before it drops off"	AUV SENTRY+SUPR Sampler		13	10	25.5	NaN	NaN	NaN	1256		1998.9	NaN	NaN	171.8	2.97	41.39	0.0	0.25	20.4			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	10:07:33	2023-09-13T10:07:00Z	10:27:33	2023-09-13T10:27:00Z	47.98883	-129.17552	47.98192	-129.17891	NaN	Sentry 689	Started just after SOL7 heading SW	AUV SENTRY+SUPR Sampler		11	12	17.09	NaN	NaN	NaN	1258		1999.0	NaN	NaN	176.4	3.02	42.22	0.0	0.22	20.4			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	8:46:44	2023-09-13T08:46:00Z	9:06:44	2023-09-13T09:06:00Z	47.961445	-129.1707	47.96818	-129.17046	NaN	Sentry 689	Sampled mid Line 6 across methane peak	AUV SENTRY+SUPR Sampler		10	13	14.52	NaN	NaN	NaN	1259		1999.0	NaN	NaN	161.9	2.71	38.33	0.02	0.31	20.4			
AT50-15	Hydrothermal Estuaries	SENTRY_689	2023-09-13	7:25:54	2023-09-13T07:25:00Z	7:45:54	2023-09-13T07:45:00Z	47.932354	-129.158	47.939686	-129.16237	NaN	Sentry 689	"Sampling lower portion of L6 in region of small ORP drop, turbidity features, methane features"	AUV SENTRY+SUPR Sampler		7	14	21.38	NaN	NaN	NaN	1260		2000.0	NaN	NaN	178.1	2.97	41.71	0.02	0.56	20.4			
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"26m above bott, small neph layer"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	1	1	1261		2270.0	2265.128	2296	178.7	2.99	41.72	0.0	0.72	20.4			
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"relatively \"clean water\" below plume"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	3	3	1263		2150.0	2145.249	2296	178.2	3.02	42.16	0.0	0.32	20.4			
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"small turb/Xmiss peaks, small ORP drop"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	5	5	1265		2050.0	2045.703	2296	179.6	2.96	42.32	0.02	0.22	19.5		top ajar but sealed	
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"turb max ~0.2, large ORP drop"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	7	7	1267		1987.0	1982.018	2296	178.2	2.96	42.27	0.0	0.14	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"turb peak ~0.15, large ORP drop"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	9	9	1269		1970.0	1963.287	2296	178.8	2.95	42.44	0.02	0.31	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	9:52	2023-09-13T09:52:00Z	11:45	2023-09-13T11:45:00Z	47.92974	-129.18858	47.929295	-129.18713	16	~6 km downplume	"turb peak ~0.1, ORP drop"	Trace Metal Rosette	20230913.1652.001	NaN	NaN	NaN	1	11	11	1271		1941.0	1935.789	2296	179.1	2.96	42.06	0.0	0.24	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume	"24m above bott, particles but no ORP change"	Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	1	1	1273		2134.0	2128.166	2158	177.6	2.97	42.24	0.0	0.22	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume		Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	3	3	1275		2032.0	2027.342	2158	116.7	2.69	37.37	0.03	0.84	19.5	"nitrate is < 150 umol/L, potentially low"	bottom gushy (not gushy gushy)	
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume	"turb max ~0.065, big ORP drop, T anom"	Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	5	5	1277		2010.0	2006.468	2158	179.3	2.99	42.41	0.02	0.51	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume	"turb peak ~0.05, some ORP drop, T anom"	Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	7	7	1279		1958.0	1952.402	2158	178.5	2.99	42.61	0.0	0.25	19.5			
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume	"turb/Xmiss gradient at plume top, little ORP drop"	Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	9	9	1281		1930.0	1924.272	2158	162.1	3.0	42.07	0.03	0.88	19.5		bottom gushy (not gushy gushy)	
AT50-15	Hydrothermal Estuaries		2023-09-13	14:14	2023-09-13T14:14:00Z	16:06	2023-09-13T16:06:00Z	47.962772	-129.18369	47.962776	-129.18369	17	~10 km downplume	above plume background	Trace Metal Rosette	20230913.2115.001	NaN	NaN	NaN	1	11	11	1283		1800.0	1795.491	2158	172.3	3.09	43.4	0.0	0.39	19.5			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	22:17:18	2023-09-14T22:17:00Z	22:39:53	2023-09-14T22:39:00Z	47.96438	-129.19089	47.957294	-129.19553	NaN	Sentry 690	"Sampling in turbidity, ORP, methane, and spice anomalies"	AUV SENTRY+SUPR Sampler		17	1	33.68	NaN	NaN	NaN	1285		1999.4	NaN	NaN	152.8	2.75	38.83	0.0	0.03	19.5			"High Volume Flag, Partial Drain on Deck"
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	23:37:59	2023-09-14T23:37:00Z	23:59:05	2023-09-14T23:59:00Z	47.939503	-129.20746	47.933132	-129.2118	NaN	Sentry 690	"Sampling started when Sentry was in plume anomaly with elevated spice, turbidity, and methane."	AUV SENTRY+SUPR Sampler		18	2	18.68	NaN	NaN	NaN	1286		1999.4	NaN	NaN	60.9	1.0	14.98	0.0	0.11	19.5	"nitrate is < 100 umol/L, low"		
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	6:11:49	2023-09-14T06:11:00Z	6:33:38	2023-09-14T06:33:00Z	47.94093	-129.0888	47.940895	-129.1001	NaN	Sentry 690	Triggered in the middle of L1 to get region approaching Main Endeavour and the end of the sample directly next to ME	AUV SENTRY+SUPR Sampler		1	3	17.25	NaN	NaN	NaN	1287		1999.3	NaN	NaN	83.8	1.33	20.49	0.0	0.13	19.5	"nitrate is < 100 umol/L, low"		
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	6:34:54	2023-09-14T06:34:00Z	6:55:40	2023-09-14T06:55:00Z	47.940895	-129.10077	47.94414	-129.10799	NaN	Sentry 690	Second sample triggered on L1 to get the plume to the SW of MEF	AUV SENTRY+SUPR Sampler		2	4	22.64	NaN	NaN	NaN	1288		1999.4	NaN	NaN	179.4	2.99	42.41	0.0	0.14	19.5			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	8:05:57	2023-09-14T08:05:00Z	8:27:07	2023-09-14T08:27:00Z	47.962833	-129.11435	47.95616	-129.11598	NaN	Sentry 690		AUV SENTRY+SUPR Sampler		3	5	14.99	NaN	NaN	NaN	1289		1999.4	NaN	NaN	92.7	1.54	22.71	0.0	0.09	19.5	"nitrate is < 100 umol/L, low"		
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	9:24:46	2023-09-14T09:24:00Z	9:45:52	2023-09-14T09:45:00Z	47.938	-129.12065	47.93147	-129.12236	NaN	Sentry 690	"<150 umol/L, potentially low"	AUV SENTRY+SUPR Sampler		6	7	17.3	NaN	NaN	NaN	1291		1999.4	NaN	NaN	105.9	1.77	26.04	0.0	0.12	19.5	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	21:37:30	2023-09-14T21:37:00Z	21:58:00	2023-09-14T21:58:00Z	47.97673	-129.18271	47.970375	-129.18692	NaN	Sentry 690	SUPR tsample turned on automatically shortly after the start of line 11 whne Sentry is still in background water	AUV SENTRY+SUPR Sampler		15	8	15.72	NaN	NaN	NaN	1292		1999.4	NaN	NaN	178.3	3.0	42.42	0.0	0.07	19.5			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	19:46:00	2023-09-14T19:46:00Z	20:06:00	2023-09-14T20:06:00Z	47.955143	-129.18336	47.960308	-129.18335	NaN	Sentry 690	Sample taken when SUPR queue was turned off; likely deadman; nominal timestamp	AUV SENTRY+SUPR Sampler		14	9	16.76	NaN	NaN	NaN	1293		1999.5	NaN	NaN	174.9	2.98	42.11	0.0	0.02	19.5			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	18:56:07	2023-09-14T18:56:00Z	19:18:08	2023-09-14T19:18:00Z	47.94285	-129.19681	47.948353	-129.19092	NaN	Sentry 690	Line 9 - Sample requested in Old Spice region - low methane and turbidity but high spice	AUV SENTRY+SUPR Sampler		13	10	17.06	NaN	NaN	NaN	1294		1999.4	NaN	NaN	180.8	2.87	41.7	0.02	0.09	18.9			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	16:08:42	2023-09-14T16:08:00Z	16:33:55	2023-09-14T16:33:00Z	47.921757	-129.18213	47.914104	-129.18755	NaN	Sentry 690	Sample started in region of higher turbidity and ORP drop	AUV SENTRY+SUPR Sampler		12	11	40.58	NaN	NaN	NaN	1295		1999.4	NaN	NaN	73.8	1.28	18.81	0.0	0.21	18.9	"nitrate is < 100 umol/L, low"		High Volume Flag
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	14:24:46	2023-09-14T14:24:00Z	14:47:22	2023-09-14T14:47:00Z	47.917774	-129.1615	47.92358	-129.16635	NaN	Sentry 690	sample started at start of line 5; requested at start of plume signal	AUV SENTRY+SUPR Sampler		11	12	16.33	NaN	NaN	NaN	1296		1998.6	NaN	NaN	180.4	2.92	42.07	0.02	0.14	18.9			
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	13:18:16	2023-09-14T13:18:00Z	13:39:25	2023-09-14T13:39:00Z	47.9265	-129.1484	47.91979	-129.1526	NaN	Sentry 690	"first sample on line 4, requested at start of plume signal"	AUV SENTRY+SUPR Sampler		10	13	18.26	NaN	NaN	NaN	1297		1999.4	NaN	NaN	133.3	2.17	31.88	0.0	0.05	18.9	"nitrate is < 150 umol/L, potentially low"		
AT50-15	Hydrothermal Estuaries	SENTRY_690	2023-09-14	11:17:28	2023-09-14T11:17:00Z	11:38:49	2023-09-14T11:38:00Z	47.932346	-129.13069	47.938877	-129.13354	NaN	Sentry 690		AUV SENTRY+SUPR Sampler		7	14	20.61	NaN	NaN	NaN	1298		1999.4	NaN	NaN	164.3	2.7	38.35	0.0	0.12	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	"23m above bott, below plume"	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	1	1	1299		2189.0	2183.902	2212	179.5	2.95	42.24	0.0	0.0	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	"turb ~0.055, bottom of ORP dropping range"	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	3	3	1301		2077.0	2071.712	2212	2.0	0.32	0.03	0.0	0.43	18.9	"nitrate is < 10 umol/L, very low"		
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	"turb ~0.06, ORP drop"	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	5	5	1303		2000.0	1995.214	2212	182.3	2.95	42.18	0.02	0.04	18.9		top ajar but sealed	
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	"turb max ~0.063, ORP drop"	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	7	7	1305		1975.0	1970.667	2212	180.9	2.93	42.24	0.02	0.22	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	"small turb peak, minimal ORP drop"	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	9	9	1307		1940.0	1935.178	2212	2.0	0.32	0.0	0.0	0.06	18.9	"nitrate is < 10 umol/L, very low"		
AT50-15	Hydrothermal Estuaries		2023-09-14	23:12	2023-09-14T23:12:00Z	0:55	2023-09-14T00:55:00Z	47.947124	-129.19211	47.947117	-129.1921	18	In-Spiral	no ORP drop! Top of plume	Trace Metal Rosette	20230915.0612.001	NaN	NaN	NaN	1	11	11	1309		1900.0	1895.357	2212	176.8	3.02	42.75	0.0	0.03	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	"23m above bott, nepheloid layer"	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	1	1	1311		2541.0	2534.257	2564	185.6	2.93	41.21	0.0	0.03	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	below plume but not yet in neph layer	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	3	3	1313		2300.0	2294.129	2564	183.0	2.94	41.7	0.0	0.07	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	"bottom of plume, minimal ORP drop"	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	5	5	1315		2100.0	2095.061	2564	180.4	2.96	42.21	0.02	0.23	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	"Xmiss drop, turb ~0.05, small ORP drop"	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	7	7	1317		2050.0	2045.086	2564	180.1	2.92	41.81	0.02	0.18	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	"Xmiss min, turb ~0.067, ORP drop"	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	9	9	1319		2000.0	1994.256	2564	180.5	2.95	42.11	0.02	0.14	18.9			
AT50-15	Hydrothermal Estuaries		2023-09-15	3:11	2023-09-15T03:11:00Z	5:06	2023-09-15T05:06:00Z	47.951424	-129.23503	47.95143	-129.23505	19	Zoolander (6-10 km away)	"turb max ~0.070, but not Xmiss min"	Trace Metal Rosette	20230915.1012.001	NaN	NaN	NaN	1	11	11	1321		1950.0	1945.221	2564	181.1	2.96	42.23	0.02	0.31	18.9			
