Cruise Plan


Japanese and Korean EEZ planned work

Russian EEZ planned work

During each cruise, research will be carried out in two parts. First, we will use a towed, undulating instrument platform to make continuous underway hydrological and bio-optical measurements of the upper 350 m of the ocean. We will tow the platform in 'radiator' grid patterns to resolve three-dimensional variability. We are specifically interested in the subpolar front, which resides primarily in the Russian economic zone. The front moves back and forth (northward and southward) with time, so our surveys may occasionally extend into Japanese waters for brief periods before returning to the Russian economic zone (please see charts in Appendix B). We will use a shipboard Acoustic Doppler Current Profiler to measure water velocity and a variety of meteorological instruments (listed separately) to make boundary layer atmospheric measurements as well. In addition to the towed measurements, we plan to execute a series of hydrochemical profiling stations using a Seabird profiler, a 24-bottle rosette and a bio-optical profiling package. These stations will be made along the same lines previously sampled using the towed profiler and are meant to provide detailed resolution across the subpolar front. The hydrochemical stations allow us to take water samples for measuring nutrient levels, dissolved oxygen and bio-optical parameters. Cold, dry air outbreaks from the Eurasian landmass dominate wintertime forcing over the Japan/East Sea. To observe the spatial structure of this forcing and its oceanic response we would also like to make several longer north-south sections with the towed platform. These additional sections would take place only during the winter 2000 cruise. We respectfully request permission to make scientific measurements within the Russian economic zone, south of 41¡ 15Õ N during the periods between approximately 21 May 1999 to 31 May 1999 and between approximately 13 January 2000 to 3 February 2000.

List of all sites/station, by latitude and longitude

SPRING 1999

Intensive Towed Profiler Survey (survey waypoints, continuous profiling while underway)

Latitude (N)	Longitude (E)

40  0.00	133 56.00	SW corner
41 15.00	133 56.00	NW corner
41 15.00	134 10.05
40  0.00	134 10.05
40  0.00	134 24.10
41 15.00	134 24.10
41 15.00	134 38.16
40  0.00	134 38.16
40  0.00	134 52.21
41 15.00	134 52.21
41 15.00	135  6.26
40  0.00	135  6.26
40  0.00	135 20.31
41 15.00	135 20.31
41 15.00	135 34.37
40  0.00	135 34.37
40  0.00	135 48.42
41 15.00	135 48.42
41 15.00	136  2.47
40  0.00	136  2.47
40  0.00	136 16.52
41 15.00	136 16.52
41 15.00	136 30.57	NE corner
40  0.00	136 30.57	SE corner

Hydrochemical Stations (discrete profiles)

Hydrographic	Latitude	Latitude	Longitude	Longitude
Station	degrees	minutes	degrees	minutes
Number				
				
1	40	0.000	135	48.420
2	40	4.850	135	48.420
3	40	10.246	135	48.420
4	40	15.642	135	48.420
5	40	21.038	135	48.420
6	40	26.434	135	48.420
7	40	31.831	135	48.420
8	40	37.227	135	48.420
9	40	42.623	135	48.420
10	40	48.019	135	48.420
11	40	53.415	135	48.420
12	40	58.811	135	48.420
13	41	4.208	135	48.420
14	41	9.604	135	48.420
15	41	15.000	135	48.420
16	41	15.000	135	6.260
17	41	9.604	135	6.260
18	41	4.208	135	6.260
19	40	58.811	135	6.260
20	40	53.415	135	6.260
21	40	48.019	135	6.260
22	40	42.623	135	6.260
23	40	37.227	135	6.260
24	40	31.831	135	6.260
25	40	26.434	135	6.260
26	40	21.038	135	6.260
27	40	15.642	135	6.260
28	40	10.246	135	6.260
29	40	4.850	135	6.260
30	40	0.000	135	6.260
31	40	0.000	134	24.100
32	40	4.850	134	24.100
33	40	10.246	134	24.100
34	40	15.642	134	24.100
35	40	21.038	134	24.100
36	40	26.434	134	24.100
37	40	31.831	134	24.100
38	40	37.227	134	24.100
39	40	42.623	134	24.100
40	40	48.019	134	24.100
41	40	53.415	134	24.100
42	40	58.811	134	24.100
43	41	4.208	134	24.100
44	41	9.604	134	24.100
45	41	15.000	134	24.100




WINTER 2000

Intensive Towed Profiler Survey (survey waypoints, continuous profiling while underway)

Latitude (N)	Longitude (E)

40  0.00	133 56.00	SW corner
41 15.00	133 56.00	NW corner
41 15.00	134 10.05
40  0.00	134 10.05
40  0.00	134 24.10
41 15.00	134 24.10
41 15.00	134 38.16
40  0.00	134 38.16
40  0.00	134 52.21
41 15.00	134 52.21
41 15.00	135  6.26
40  0.00	135  6.26
40  0.00	135 20.31
41 15.00	135 20.31
41 15.00	135 34.37
40  0.00	135 34.37
40  0.00	135 48.42
41 15.00	135 48.42
41 15.00	136  2.47
40  0.00	136  2.47
40  0.00	136 16.52
41 15.00	136 16.52
41 15.00	136 30.57	NE corner
40  0.00	136 30.57	SE corner

Hydrochemical Stations (discrete profiles)

Hydrographic	Latitude	Latitude	Longitude	Longitude
Station	degrees	minutes	degrees	minutes
Number				
				
1	40	0.000	135	48.420
2	40	4.850	135	48.420
3	40	10.246	135	48.420
4	40	15.642	135	48.420
5	40	21.038	135	48.420
6	40	26.434	135	48.420
7	40	31.831	135	48.420
8	40	37.227	135	48.420
9	40	42.623	135	48.420
10	40	48.019	135	48.420
11	40	53.415	135	48.420
12	40	58.811	135	48.420
13	41	4.208	135	48.420
14	41	9.604	135	48.420
15	41	15.000	135	48.420
16	41	15.000	135	6.260
17	41	9.604	135	6.260
18	41	4.208	135	6.260
19	40	58.811	135	6.260
20	40	53.415	135	6.260
21	40	48.019	135	6.260
22	40	42.623	135	6.260
23	40	37.227	135	6.260
24	40	31.831	135	6.260
25	40	26.434	135	6.260
26	40	21.038	135	6.260
27	40	15.642	135	6.260
28	40	10.246	135	6.260
29	40	4.850	135	6.260
30	40	0.000	135	6.260
31	40	0.000	134	24.100
32	40	4.850	134	24.100
33	40	10.246	134	24.100
34	40	15.642	134	24.100
35	40	21.038	134	24.100
36	40	26.434	134	24.100
37	40	31.831	134	24.100
38	40	37.227	134	24.100
39	40	42.623	134	24.100
40	40	48.019	134	24.100
41	40	53.415	134	24.100
42	40	58.811	134	24.100
43	41	4.208	134	24.100
44	41	9.604	134	24.100
45	41	15.000	134	24.100

Two-leg, long line towed profiler survey (survey waypoints, continuous profiling while underway)

Latitude (N)	Longitude (E)

41 15.00	132 08.00	NW corner
39 00.00	134 55.00	SW corner
39 00.00	136 10.00	SE corner
41 15.00	133 23.00	NE corner

Three-leg, medium line towed profiler survey (survey waypoints, continuous profiling while underway)

Latitude (N)	Longitude (E)

41 15.00	134 24.10	NW corner
39 00.00	134 24.10	SW corner
39 00.00	135 06.26
41 15.00	135 06.26
41 15.00	135 48.42	NE corner
39 00.00	135 48.42	SE corner

Email: shipsked@ucsd.edu


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