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YK07-16 Cruise Report
2007.11.5-12.5
3
5
10
12
20
40
41
4000
300
(e.g. Guyodo and Valet, 1999; Yamazaki and Oda, 2005)
10
(Channell et al., 1998; Yamazaki and
Oda, 2002)
78
IODP APC(Advanced Piston Corer)
tiny wiggle
Anomaly 5A
Roberts and Lewin-Harris, 2000; Bowers et al., 2001
Gee et al., 2000;
Yamamoto et al., 2005
tiny wiggle
(Magnetic lineation)
(Magnetic Quiet Zone)
70
Ishihara (2006)
CM4 (Sabaka et al., 2004)
tiny wiggle 50nT
tiny wiggle
20°-34°, 166°-179° Fig. 1
Box A, Box B
Figure 1. YK07-16
(Table 1)
SEA BEAM 2112
(SEA BEAM 2112)
Sea Beam
Sea Beam 2100 2112.004
12kHz
15 150
Swath
2 Swath
151
151 151
150
MNBES
(m) 100 11,000
(deg.) 90 150
MNBES(kHz) 12
SBP(kHz) 4
(m) (deg.) (m)
300 150 1,600
300 140 1,600
4,500 120 15,000
8,000 100 19,000
11,000 90 22,000
(SEA BEAM 2100)
SEABEAM 2100 (SBP) SEA BEAM 2112
SEA BEAM2 112.004
SEA BEAM 2112
SEA BEAM2100 50m 11,000m
75
60TR-109 45
5
SEA BEAM 12kHz 5
(5 ) (30 )
(SEA BEAM 2100)
SEA BEAM 2100
1 151
1 2000 pixels
SEABEAM 2100
2000 pixel
2000 pixel pixel size 1 pixel
2000 pixel 4km
2000 pixel pixel
pixel 1
pixel 2000
=PFf
P=2
PM-217, Kawasaki Geological Engineering & Tierra Technica
YK07-16 20 sec.
(LACOSTE and ROMBERG AIR-SEA S63)
3
±2
50m
280 130H 5kg
±100000nT
1nT
0.5nT
0.5T/
100nT
AD 20bit
8 /sec
RS232C 3
480W 150H 430D 4kg
CPU IBM PC
RS232C
PC HDD OS:Windows
XP
±90° +:port side up
0.01°
RS422
90 (+:bow down)
0.01
RS232
500 /sec
VRU
/OCTANS3
S/N3453-827
280x136x152 4.5kg
AC100V 50/60Hz
350VA
-5 50 ( )
0 50 ( )
- .
4080 mile 7560 km 12 13 knot
Table 2
Table 2. YK07-16
Figures 2-8
4500 m 6000 m SeaBeam 6~7 mile
15 mile
A
177.5 5500m 176 5300 169 6000m
176
177.5 5800m 171 4600
175 5300
nT
3~4 km
Figure 2. Box A 50m
Figure 3. Box A ENE
Figure 4. Box B 500m
Figure 5. Box B ENE
Figure 6. Box A
Figure 7. Box A
Figure 8. Box B
10th IGRF
Figure 9 13 Box A, B
A
PC
Table 3
Table 3. List of “figure-8 turn” in YK07-16.
B Hbp
B =
1.0752 0.0479 0.0174
0.0718 1.2682 0.0059
0.0057 0.1454 0.8847
Hbp =
2220.2
4869.6
3971.2
1m
10th IGRF
Figures 10-12
(Box A), Figures 14-16(Box B) Box A
X, Z
10 30 mile
100 nT
IGRF Y
(Heading)
Heading
Heading
B =
1.0823 0.0164 0.0074
0.0071 1.2045 0.0209
0.0006 0.1250 0.8751
Hbp =
1965.3
4941.9
4470.4
Fig
ure 9
. Box A
Fig
ure 1
0. B
ox A
X(
)
Fig
ure 1
1. B
ox
AY
()
Fig
ure 1
2. B
ox A
Z(
)
Fig
ure 1
3. B
ox B
Fig
ure 1
4. B
ox B
X(
)
Fig
ure 1
5. B
ox B
Y(
)
Fig
ure 1
6. B
ox B
Z(
)
tiny wiggle
AUV
Box A
tinny wiggle